Re: [Tutor] the and command
-Original Message- ... for num in l2: if num in l3 and num in l4 and num in l5 and num in l6: possible.append(num) Yikes! Glancing at the code, I was reading l3, l4, l5, l6 as the numbers 13, 14, 15, 16..(Thirteen, Fourteen, Fifteen, Sixteen). I'd avoid using variables named like that since the lowercase L looks like a one (l, 1) in many fonts. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] FAQ [Was Re: Python Book Recommendations [Was:....]]
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan Gauld Sent: Tuesday, August 14, 2007 10:06 AM To: tutor@python.org Subject: Re: [Tutor] FAQ [Was Re: Python Book Recommendations [Was:]] Tim Michelsen [EMAIL PROTECTED] wrote is there a FAQ for this list where we could put all these recommendations? Someone (Mike Hansen?) started one a while back, but like most such ventures the trick is in maintaining it! I'm not sure where it is or what the status is. Alan G I'm a couple of days behind on my reading of the tutor list. The tutor FAQ used to reside at http://pyfaq.infogami.com/, but its new home is http://effbot.org/pyfaq/tutor-index.htm. I thought I remember seeing some of the questions on the python.org site, but I can't seem to find them now. I thought the original intent was to make it into a wiki to allow it to be easily updated, but I'm not sure what became of that. I just compiled the content and got list member's feedback. I got the ball rolling and hoped others would update and add questions as desired. Of course, I also hoped that it would be a good resource to direct people to common questions. Kent's suggestion of updating the following wiki pages is probably best: http://wiki.python.org/moin/PythonBooks http://wiki.python.org/moin/BeginnersGuide/NonProgrammers http://wiki.python.org/moin/BeginnersGuide/Programmers Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Bookpool sale on Addison Wesley
-Original Message- From: Bill Campbell Sent: Thursday, August 09, 2007 10:54 AM To: tutor@python.org Subject: Re: [Tutor] Bookpool sale on Addison Wesley I've found bookpool.com to generally have better prices on technical books than Amazon or Powells. They're generally the first place I look. (my only assocation with any of them is as a customer). ... Bill Bookpool is pretty good. Half.com and nerdbooks.com are other places I look for cheaper tech books. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] comparing two numpy arrays
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andy Cheesman Hi people, If I've two numpy arrays, is there a non-looping way of finding common values. (the example below has identical shapes for the arrays but this may not be the case in my scenario) e.g a = array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]) b = array([ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]) answer = array([ 5,6,7,8,9]) Thanks Andy You might try sets. http://docs.python.org/lib/types-set.html I'm guessing that you'd need to convert the arrays to sets. Maybe convert the arrays to lists or tuples then to sets? Maybe you might be able to directly convert the numpy arrays to sets? I haven't used numpy, so you'll need to experiment. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Large Scale Python websites
Is anyone aware of any large scale web apps developed in Python? Please let me know of any that you know of... I think that reddit.com switched from LISP to Python a while back. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] while Loop
-Original Message- Subject: Re: [Tutor] while Loop Oops, didn't notice the uppercase U, thanks Luke. - Original Message - Subject: Re: [Tutor] while Loop define it with usedPocketsOne = 192000? no, I said UsedPocketsOne was not defined. Note the different starting letter. Python is case senstitive, meaning usedPocketsOne is not the same as UsedPocketsOne. So yes, you defined usedPocketsOne with the assignment to 192000, but you did not define UsedPocketsOne. I've been out of the office for the last week, so I'm catching up. You might use something like PyChecker, PyLint, or PyFlakes. Those utilities would catch errors like this. I have a hotkey in VIM that kicks off PyFlakes on the current buffer. Also, I'm not 100% sure, but I think Komodo IDE would catch this as well. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] curses
ok after reading a few tutorials i think i know enough to write my program here it is not commented yet though sorry: For me, I need to put comments in while I'm coding or I'll never put them in. I _try_ to put in a doc string for every class and function/method. With Python being so readable, I don't put comments that explain what I'm doing, but I _try_ to put comments on why I'm doing something. I'm sure I could do better at commenting my code. Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live. Even if the code you are writing is supposed to be a one off that will never be used again(famous last words), it's best to keep up the practice of commenting your code. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] file methods
-Original Message- [...] I have a file like this one: command = func_babara parameter_1 = 300 parameter_2 = 300 parameter_3 = 50 parameter_4 = 0 parameter_5 = 0 parameter_6 = 0 ,as you see, i need to process it one line at a time and use this .ini file as a configuration file. Take a look at the ConfigParser module. It can read ini files easily. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] how long?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ben Waldin Sent: Tuesday, July 03, 2007 1:47 AM To: tutor@python.org Subject: [Tutor] how long? How long will it take until I successfully create my own working program that is useful? I have crated the address book ones in the tutors and just want to know how long it takes before I start to create my own thought up programs that will be useful. Thanks Ben What kind of programs do you have in mind? Maybe you can break down a program you want into pieces and work on a piece of it. Maybe you want some sort of GUI program. Well, first you can create a command line version on it. Then later you can make it a GUI program. The tutor list can help when you have questions. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Regular Expression help
Argh... My e-mail program really messed up the threads. I didn't notice that there was already multiple replies to this message. Doh! Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Invoking Python from Vim
-Original Message- Date: Fri, 8 Jun 2007 00:19:39 +0100 From: Alan Gauld [EMAIL PROTECTED] Subject: Re: [Tutor] Invoking Python from Vim To: tutor@python.org Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; format=flowed; charset=iso-8859-1; reply-type=original Matt Smith [EMAIL PROTECTED] wrote Do any Vim users have a better way of running a Python program while it is being edited in Vim? My personal preference is to have 3 windows open: 1) gvim for editing the files 2) a console for running the files using command recall to do so 3) a console running a python shell prompt (actually nowadays I'm using a a PyCrust shell) And I alt-tab between the windows. I also use the three window solution(VIM, IPython, and shell to run program.) You might look at Pida which turns VIM into a IDE. I'm not sure, but I think it's Python friendly since it's written in Python. http://pida.co.uk/ Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] New programming tutorials
I was just looking at the Daily Python URL and there are two new Python tutorials: Building Skills in Programming How To Write Your Own Software Using Python http://homepage.mac.com/s_lott/books/nonprog/htmlchunks/index.html Hands-on Python http://www.cs.luc.edu/~anh/python/hands-on/ Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Design Question
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan Gauld Sent: Friday, June 01, 2007 12:24 PM To: tutor@python.org Subject: Re: [Tutor] Design Question remove_question(self,question) -- returns True if the question was removed, False otherwise Doesn't sound like, better to use a question style name like is_removed(question) Would it be better to have remove_question remove the question or raise an exception if it can't remove the question? Then you'd put the call to remove question in a try except block. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] python exercises
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Michael Revelle Anyone know where I can get some python excercises, like labs/someone's old homework assignments? There are some ideas at http://effbot.org/pyfaq/tutor-im-learning-python-what-should-i-program.h tm or http://tinyurl.com/yalvar Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] smtplib howto send with a subject line
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Daniel McQuay
Sent: Wednesday, May 23, 2007 1:49 PM
To: tutor@python.org
Subject: [Tutor] smtplib howto send with a subject line
Hey Guys, I'm having a problem with my script that sends out
an email using smtplib. Whats happening now is when it is
send I get a (no subject) where the subject line should be. I
checked a few places such as effbot and some other online doc
but couldn't find any thing about the subject line.
Any help would be much appreciated.
###
#Created by: Daniel McQuay
#This script will send and email
#to verify if the backup was
#successful or not.
###
import smtplib
import sys
emmssg = /tmp/backup.log
smtpserver = 'localhost'
AUTHREQUIRED = 0
smtpuser = ''
smtppass = ''
#Recipients who will be getting the emails
RECIPIENTS = ['[EMAIL PROTECTED]']
SENDER = 'Saint_Richards'
#This does not work?
SUBJECT = 'Backup_Log'
emmssg = open('/tmp/backup.log','r').read()
session = smtplib.SMTP(smtpserver)
if AUTHREQUIRED:
session.login(smtpuser, smtppass)
smtpresult = session.sendmail(SENDER, RECIPIENTS, SUBJECT, emmssg)
if smtpresult:
errstr =
for recip in smtpresult.keys():
errstr = Could not delivery mail to: %s
Server said: %s
%s
%s % (recip, smtpresult[recip][0], smtpresult[recip][1], errstr)
raise smtplib.SMTPException, errstr
Thanks in advance,
--
Daniel McQuay
Jaluno.com
H: 814.825.0847
M: 814-341-9013
It seems a little easier to use the email module along with the smtp
module to create and send a message.
http://docs.python.org/lib/node162.html
Mike
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Re: [Tutor] smtplib howto send with a subject line
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Daniel McQuay Sent: Wednesday, May 23, 2007 3:52 PM Cc: tutor@python.org Subject: Re: [Tutor] smtplib howto send with a subject line Thanks Mike, it seems that I'll be easy to incorporate that into my script as well. I'll give it a try. I'm still open to other suggestions, though. Take a look at this link again(I think you said you looked at it.) http://effbot.org/librarybook/smtplib.htm Notice that the body string has From:, To:, Subject: followed by the from, to, and subject. body = string.join(( From: %s % FROM, To: %s % TO, Subject: %s % SUBJECT, , BODY), \r\n) You might need to do something similar to get your subject line although without the string module since the string methods are built in. I'm no expert on how to construct e-mail messages, so take this with a grain of salt. I'm but a simple caveman programmer(*). Mike * - Phil Hartman I'm but a simple caveman lawyer SNL ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] MS SQL Connection
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Leon Keylin Sent: Monday, May 21, 2007 3:52 PM To: tutor@python.org Subject: [Tutor] MS SQL Connection Been trying to do a very small and simple select via Python. First I tried a module that looked clean but it couldn't truncate tables. Then I started sifting through docs at python.org and couldn't find a simple way of communicating with a MS SQL via Python program. Do I have to use ODBC? Any examples would be awesome. Thanks! I did a quick search on Google for MS SQL Python, and this came up. It looks like it will do the trick. http://pymssql.sourceforge.net/ Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] GRUMPY?
No, but we will all hereby remember you forever for posting a new thread without a proper subject on this list. Perhaps at the same time as our eyes will start peering. I would imagine that the original poster didn't have any remnants of the previous thread. Yes, the poster should have put a subject. On the other hand, we need to be nicer too. More like... Glad you figured it out. Hey, could you do us a favor next time and put a subject on your message? Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] words and lengths
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Emad Nawfal
Sent: Wednesday, May 16, 2007 9:40 AM
To: Tutor@python.org
Subject: [Tutor] words and lengths
Hi All,
I'm beginning to learn Python for linguistic research using
the Natural Language Toolkit. I want to write a small piece
of code to count lengths of words and print them a long with
the words. I've tried this but it does not work. What's wrong
with it, and how can I fix it?
phrase2 = ['colorless', 'green', 'ideas', 'sleep', 'furiously']
lengths = {}
for word in phrase2:
lengths = lengths[word, len(word)]
print lengths
Thank you in anticipation
Instead of
lengths = lengths[word, len(word)]
I think it should be
lengths[word] = len(word) # dictionary[key] = value
Mike
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Re: [Tutor] File access by os.system
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan Gauld Sent: Tuesday, May 15, 2007 1:44 AM To: tutor@python.org Subject: Re: [Tutor] File access by os.system lohith madireddy [EMAIL PROTECTED] I have files named 'x.pdb', 'y.pdb',. in one directory. I am using python to read the files in that directory and do a system operation on each of the file using os.system. When I use this, it always gives an error saying 'could not read the file'. There are several likely problems. The first is that the files might not have security pernissions set for you to manipulate - can you do the system() command from the OS prompt oK? Second, you are only passing the name of the file not the full path so the system command can't find the file. Third you could be passing something other than a file - eg another directory - to the command. import sys,os,tempfile,shutil Pdbs = os.listdir(os.getcwd()) temp1=tempfile.TemporaryFile() for Pdb in Pdbs: You probably need to use stat here to check that the item really is a file and that it has permissions. Alternatively use a try except clause and if an exception is raised simply use continue to start the next loop iteration. (possibly after printing an error message with the pdb name in it so you can check why it failed later) print(type(Pdb)) os.system(dsspcmbi -v Pdb temp1) Should the os.system command be something like command = dsspcmbi -v %s %s %(Pdb, temp1) os.system(command) ? Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] .NET web services
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kent Johnson Sent: Friday, May 11, 2007 4:18 AM To: shiv k Cc: tutor@python.org Subject: Re: [Tutor] .NET web services shiv k wrote: Dear All, I want to implement web services in Python for our project and i want to use these frm .NET framework. pls tell me how the .Net platform will interact with my these services. You might be interested in IronPython which is integrated with .NET http://www.codeplex.com/Wiki/View.aspx?ProjectName=IronPython Kent Did the original poster mean to create a web service and have a .NET program consume it? Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Generating simple HTML from within Python
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Duncan Gibson Sent: Thursday, May 10, 2007 10:25 AM To: tutor@python.org Subject: [Tutor] Generating simple HTML from within Python I'm updating an application at the moment that generates simple HTML files. However, it's all done using plain strings and brute force. It's hard to read, and isn't very robust in the face of special characters and matching start and end tags. I've been searching for a module to allow simple HTML generation, but most of them appear to be more concerned with *parsing* HTML and XML. The only one that looks promising from reviews dating back to 1998 or so is HTMLgen, but the link on starship.python.net appears long dead. So my question is, what is the preferred way of generating simple HTML or XHTML files these days? Is there a 'son of HTMLgen' or similar module? Cheers Duncan PS. Apologies if this shows up twice. My first post seems to be MIA. Did you search the Cheese Shop. I did a search for html generator, and there's a few couple of modules mike html 0.4.0 and markup.py 1.6.1 that look like they might do the trick. http://www.python.org/pypi Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Type Conversion
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jessica Brink Sent: Wednesday, May 09, 2007 12:38 PM To: Teresa Stanton; Python Tutor Subject: [Tutor] Type Conversion I am doing a simple program that takes input from the user (a temp. in degrees Celsius) and converts it to a temperature in Fahrenheit. The following program works: def conversion (): C = input (Enter the temperature in degrees Celcius:\n) F = (9.0 / 5.0) * C + 32 print F conversion () However, if I try to use the raw_input function, and then convert the variable to an integer, it does not work: def conversion (): C = raw_input (Enter the temperature in degrees Celcius:\n) int (C) F = (9.0 / 5.0) * C + 32 print F conversion () Am I missing a step on converting the variable C from a string to an integer, or is it not possible to do this? I get the error that it is not possible to concatenate a str and int. Thanks! Jessica Brink Business/Computer Teacher Northland Pines High School Eagle River, WI 715-479-4473 ext. 0701 Instead of int(C), I think you need C = int(C) Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Another string-manipulation question
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan Gilfoy Sent: Wednesday, May 09, 2007 2:42 PM To: tutor@python.org Subject: [Tutor] Another string-manipulation question Given a string, how would I?: 1. Make sure only the first letter string_name[0], is capitalized. This would involve using string_name.lower() to lowercase everything else, but how do I use .upper(), or some other method, to capitalize only the first character? There's a string method called capitalize, so you can use string_name.capitalize() In [27]: x = rakaNishu In [28]: x = x.capitalize() In [29]: x Out[29]: 'Rakanishu' 2. Make sure that there are no symbols (non-letter, non-number) in the string, and, if one is found, remove it. Pseudocode time, as to a potential approach- for each character in the string: if character not in abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ: remove it Someone may have a better idea on this one. Off the top of my head, you can build a new string while checking each character using another string method isalpha. You might want to check the string first before even bothering with the loop. i.e. if not string_name.isalpha()...then enter this loop below... In [38]: x = rakan345ishu In [39]: newx = In [40]: for chr in x: :if chr.isalpha(): :newx += chr : In [41]: print newx rakanishu Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] IDE / development environment
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rohan Deshpande Sent: Sunday, April 22, 2007 2:51 AM To: tutor@python.org Subject: [Tutor] IDE / development environment Hey guys, I've been using Linux for a long time but this is my first foray into app development. Therefore, I have never had to properly set up a development environment for myself. I am partial to vim as an editor, and have configured it for the python templating language i'm using with Pylons called Mako, as well as using python.vim. However, I have not figured out how to do file management in a productive manner, quickly switching between files. What does everyone use as their development environment for Python, particularly web dev? Thanks much. Always looking for a faster way, Rohan I primarily use VIM. What do you mean by switching between files? You might look at the mini-buffer explorer plug-in. It makes it easy to switch between buffers. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Question about cgi module
Part of the web app that I'm writing will allow users to upload small images to be stored in a database. Is there a way to limit how big of a file that the user can upload? Is there some cgi setting that would prevent a user from upload a huge file, or stop at a certain size and error? Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Error in my code
If what you posted is exactly what your code looks like, then you've got
an indentation problem. Since Python doesn't use {}'s for code blocks,
it uses indentation instead, and it's somewhat picky about indentation.
I think all the code after the first conn.request should line up with
the conn.request.
def WEP40_KEY(n):
params = urllib.urlencode({})
headers = {Connection: Keep-Alive,Authorization: }
conn = httplib.HTTPConnection(HOST)
conn.request (GET, /w_sec.htm HTTP/1.1, params, headers)
response = conn.getresponse()
print response.status, response.reason
params =
urllib.urlencode({'wsecurity':WEP,'wep_auth':Shared+Key,'wepenc':12
8+bit,'wep_key_no':key1,'ascii_key1':12345678901234567890123456,'as
cii_key2':,'ascii_key3':,'ascii_key4':,'passphrase':,'wpa_psk':
12345678,'key_lifetime':65535,'wpa_enc':TKIP,'save':Save,'message
': ,'todo':})
headers = {Connection: Keep-Alive,Authorization: }
conn = httplib.HTTPConnection(HOST)
conn.request(POST, w_sec.htm, params, headers)
response = conn.getresponse()
print response.status, response.reason
conn.close()
It looks like your indenting 2 spaces. I believe the recommendation is 4
spaces. You might read the style guide.
http://www.python.org/doc/essays/styleguide.html
Out of curiosity, what editor are you using to write your code? You can
configure many editors to automatically indent for you, change tabs to
spaces, and set tabs to 4 spaces.
Mike
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of govind goyal
Sent: Tuesday, April 17, 2007 9:29 AM
To: tutor@python.org
Subject: [Tutor] Error in my code
Hi,
I am executing following lines of code:
def WEP40_KEY(n):
params = urllib.urlencode({})
headers = {Connection: Keep-Alive,Authorization: }
conn = httplib.HTTPConnection(HOST)
conn.request (GET, /w_sec.htm HTTP/1.1, params, headers)
response = conn.getresponse()
print response.status, response.reason
params =
urllib.urlencode({'wsecurity':WEP,'wep_auth':Shared+Key,'w
epenc':128+bit,'wep_key_no':key1,'ascii_key1':12345678901
234567890123456,'ascii_key2':,'ascii_key3':,'ascii_key4':,'passph
rase':,'wpa_psk':1234567
8,'key_lifetime':65535,'wpa_enc':TKIP,'save':Save,'mess
age': ,'todo':})
headers = {Connection: Keep-Alive,Authorization: }
conn = httplib.HTTPConnection(HOST)
conn.request(POST, w_sec.htm, params, headers)
response = conn.getresponse()
print response.status, response.reason
conn.close()
WEP40_KEY(sys.argv)
I am getting following error:
C:\Documents and
Settings\Govindadya\Desktop\MarvellMarvell_WEP40.py 192.168.1.
16
File C:\Documents and
Settings\Govindadya\Desktop\Marvell\Marvell_WEP40.py,
line 41
response = conn.getresponse()
^
IndentationError: unindent does not match any outer indentation level
Can anybody help me out on this?
Best Regards,
Govind
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Re: [Tutor] Learning Python in cooperative, challenging way.
-Original Message- To clarify point #2: Python - as any learning - IS challenging, but as I am learning it just for fun and without any real need to fulfil, I don't have any operational challenge, if that makes any sense in English... :-/ So far the best I could find has been: #1 -- this mailing list #2 -- http://www.pythonchallenge.com Any more suggestions from your side? Thank you very much in advance, Mac. You look at some of the ideas at this page. http://effbot.org/pyfaq/tutor-im-learning-python-what-should-i-program.h tm or http://tinyurl.com/yalvar Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python books on sale
-Original Message- Kent Johnson [EMAIL PROTECTED] wrote Also the TurboGears book is 51% off: http://www.bookpool.com/sm/0132433885 Safari(http://safari.oreilly.com) has both the TurboGears book and Core Python book, so you can check them out before deciding if you want the dead tree version. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Question about exception
When doing a try/except block, is it possible to return a list as part of the exception? try: check_someting() except CheckSomethingError, e: for each_error in e: # do something Can 'e' be a list of errors? If so, how do you construct your exception class? Is it better to do it like this? (errors) = check_something() if errors: # do something Mike head zoned out due to allergies ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Question about exception
If the Exception is defined as a class, e will be an instance of that class so you can have pretty much anything available: class MyException(Exception): def __init__(self, msg, mylist) self.msg = msg self.mylist = mylist Exception.__init__(self, msg) try: check_something() except MyException, e: for entry in e.mylist: ... Bill -- INTERNET: [EMAIL PROTECTED] Bill Campbell; Celestial Software LLC URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way FAX:(206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676 ``I don't make jokes, I just watch the Government and report the facts...'' Will Rogers Doh! It was right in front of me, but I wasn't connecting the dots. Thanks, Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] cookie expiration date format
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Luke Paireepinart Sent: Friday, March 16, 2007 8:31 PM To: Tim Johnson Cc: tutor@python.org Subject: Re: [Tutor] cookie expiration date format Tim Johnson wrote: Hi: I want to be able to expire a cookie programmatically. In other languages, I just set the expiration date to 'yesterday'. If I look at the documentation at: http://docs.python.org/lib/node644.html for the Cookie object, I see the following: --- expires Integer expiry date in seconds since epoch, --- I'm not clear what datatype is needed here. Can anyone clarify this for me? Sounds like it's an integer or float, such as returned by time.time() import time time.time() 1174098190.796 #seconds since epoch _ / 60 19568303.17992#minutes since epoch _ / 60 326138.386332 #hours .. _ / 24 13589.099430509259# days _ / 365.25 37.204926572236161 #years .205 * 1.2 0.24597 #months ( fractional part of year ) So today is 37 years 2.5 months from January 1, 1970. 1970 + 37 = 2007, and January 1 + 2.5 months = March 16. If you wanted the cookie to expire 24 hours from now, time.time() + 3600 * 24 #(seconds in a day) See http://en.wikipedia.org/wiki/Unix_epoch for more info on the epoch. look into the time and the datetime modules, there should be an easy way to find the seconds since epoch for whatever date you want. HTH, -Luke Some of the modules in the Python standard library make things a little more difficult than other languages.(Perl, Ruby, ...) This is a good example of it. Are there any 3rd party modules that let you set the expiration date to 'yesterday'? I know I could write a wrapper, but I'd rather not re-invent the wheel and save some time. Another example is ftplib. Other language's ftp modules/libraries allow you do something like sendaciifile(fh) or sendbinaryfile(fh) yet you need to build your own wrapper functions in Python. http://effbot.org/librarybook/ftplib.htm Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Digital-to- Roman (pseudocode)
I think Dive Into Python has examples of digital to Roman and it might have Roman to digital. Might be worth looking at after you've come up with a solution. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] recommendation for good OO book?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jeff Peery Sent: Wednesday, March 07, 2007 10:15 AM To: tutor@python.org Subject: [Tutor] recommendation for good OO book? Hello, I've been using python for a few years now and I really like it. Although i am beginning to realize I really don't utilize this object oriented stuff in a good way. Does anyone have a favorite book regarding the basics/intro to object oriented programming, how to write good OO code?? thanks, Jeff I liked The Object Oriented Thought Process. It uses Java and C#(I think) as examples. I then reread the chapters in Learning Python on OO to get a better understanding of the Python way of doing it. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] help:find a string in a text and replace it with a anotherstring
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of mastjeptor regli Sent: Wednesday, March 07, 2007 10:34 AM To: tutor@python.org Subject: [Tutor] help:find a string in a text and replace it with a anotherstring Hi,folks. At first ,I have a question that I want to ask for help,it is how can I search a specific string in a text (such a in a word document) and replace it with another string? Second,if the text is changed dynamicly,can I use a variable string(has been assigned a string) to search in the text and replace it with another variable string.for example, Regex Substitution: s/email/e-mail ,if the string of email and e-mail are both changed from time to time,can we apply variable string (which has been assigned a value of string type) instead of constant string of email and e-mail to construct a regex substitution expression ? Please reply with experience in using regular expression or python library functions to find and replace a string in a text to help me. Thank you for your attention. You might not need regular expressions. You can use replace method. In [11]: x = Bozo In [12]: z = Bozo The Clown In [13]: y = Krusty In [14]: z.replace(x,y) Out[14]: 'Krusty The Clown' You could probably populate a dictionary of the words you want to replace and their replacements. Then use the replace method on the strings. Note that Word documents are binary gibberish, so you'd need to use win32 python windows stuff making this more complicated. On plain text files, it wouldn't be too bad. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] FW: isinstance - instance
Oops...I replied instead of replied all. -Original Message- From: Mike Hansen Sent: Monday, February 26, 2007 2:43 PM To: 'Bernard Lebel' Subject: RE: [Tutor] isinstance - instance -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bernard Lebel Sent: Monday, February 26, 2007 2:34 PM To: Tutor Subject: [Tutor] isinstance - instance Hello, Following the guidelines here, at the bottom of the page: http://www.python.org/dev/peps/pep-0008/ I'm using isinstance() to test the type of some data. Now the thing is that, what is the name to use for a class instance? For example, say I run this: class A: def __init__( self ): self.a = 'a' a = A() print type( a ) Outputs: type 'instance' Now if I test against the instance type like I would for integer, strings and the likes: isinstance( a, instance ) Outputs: NameError: name 'instance' is not defined So I'm a bit at a loss here. I don't want to know if the instance is an instance of a specific class, I just want to know if it's an instance. Thanks Bernard Shouldn't that be isinstance(a, A) ? Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Convert my .bat and .vbs to .py
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mark Bystry Sent: Thursday, February 15, 2007 10:04 AM To: tutor@python.org Subject: [Tutor] Convert my .bat and .vbs to .py Hello, This is my first post. I have just begun to code with python. My goal is to convert about a dozen or so DOS/Windows batch scripts(.bat) and vbscripts(.vbs) that I use on a day-to-day basis to python so that they can be run on either my windows or linux workstations. The first things that I want to learn is how to do basic stuff like copying, moving, and deleting files around from folder to folder. I have been in the help section of python (copyfile section) but I do not understand what I am doing wrong. Here is my simple DOS batch file... ## copy D:\PDF_Holding\*PRODUCTION.pdf Z:\ copy D:\PDF_Holding\*ILLUSTRATION.pdf H:\MARKETING\ILLUSTRATIONS\PRODUCT pause del *.pdf ## Basically, it copies the production and illustration pdf files to certain folders than deletes the left over pdf files when done. Yes, I could move them instead of copying them. I'm no asking for anyone to write this for me but if someone could lead me i the right direction, I would be grateful. Thank-you. Mark Maybe there's a way to use shutil's copytree function with os module's remove function or shutil's rmtree function? If not, use the glob module to gather the file names and then walk the results of the glob with a for loop and use shutil's copyfile function. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Replying to the tutor-list
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rikard Bosnjakovic Sent: Wednesday, February 14, 2007 9:21 AM To: tutor@python.org Subject: [Tutor] Replying to the tutor-list All texts that I reply to this list are automatically sent to the author, or - by selecting Reply all in my mail client - the tutorlist gets a CC. Why is there no reply-to-tag in all the posts, making the list recipient at all times? -- - Rikard. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor The following tutor faq has an explanation: http://www.python.org/infogami-faq/tutor/tutor-why-do-my-replies-go-to-t he-person-who-sent-the-message-and-not-to-the-list/ Or http://tinyurl.com/uns5q Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] VOT - Similar list for Ruby?
-Original Message- Hello all, I may be about to switch jobs to an environment in which the main utility language is Ruby. I've found this group to be brilliant in the last few years, and wondered if anyone on the list is also a Ruby user, and could recommend a similarly helpful, patient and informative list? Thanks, S. When I started getting interested in Ruby, the only list I found was Ruby Talk. See this page for a list of mail lists: http://www.ruby-lang.org/en/community/mailing-lists/ Maybe someone deeper into the Ruby community might have a better suggestion. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Best IDE for Python
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Shadab Sayani Sent: Wednesday, January 24, 2007 8:12 PM To: tutor@python.org Subject: [Tutor] Best IDE for Python Hi, I am using vim editor to code my project in python.Is there a good IDE where in I type the name of the class object and then dot then all the attributes of the object are displayed so on.I tried to install IDLE but I have no idea how to install tkinter? Any help that enables me to use good IDE as soon as possible is appreciated Thanks and Regards, Shadab Someone mentioned that VIM 7 does this. You might need to pick up the latest python.vim file from vim.org. Activestate just released Komodo Edit and Komodo IDE. I believe both do auto-completion that shows a list of possibilities. Komodo Edit is free and Komodo IDE cost some $$. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Best IDE for Python
Activestate just released Komodo Edit and Komodo IDE. I believe both do auto-completion that shows a list of possibilities. Komodo Edit is free and Komodo IDE cost some $$. IMHO: If one programs in more than one programming language, the ultimate would be an editor/IDE that can accommodate all with similar functionality and behavior for all. MTCW tim I agree. Depending on what I'm doing, I toggle between VIM and Komodo. I like that both can handle multiple languages. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Perfect Python web stack?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of OkaMthembo Sent: Wednesday, January 17, 2007 3:59 AM To: tutor Subject: [Tutor] Perfect Python web stack? Ok pythonistas! Please help me to decide. I might have asked some of you before, so please bear with me. I want to build a database driven python web app and i need to decide, so please vote on the best components (im developing on XP SP2): 1) MySQL vs PostGRES 2) Lighttpd + FastCGI vs Apache + mod_python 3) Pylons + Cheetah + Kid/Mochikit/Dojo vs Django/Turbogears This is not to light fires, its for my sole information :-) Thanks in advance, gurus. Shortash I think I recently read the you need to purchase MySQL to get a binary for Windows, but don't quote me. Postgre + Apache + Cheetah + Dojo is working for me. Sometime soon, I want to experiment with Django. I'm not familiar with Lighttpd, FastCGI, mod_python, Pylons, or Kid. When I was looking for a JavaScript toolkit, I took a look at Mochikit and Dojo. I was able to understand Dojo better although I hear that Mochikit is more Python-like. shrug / Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] python query
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alexander Kapshuk Sent: Tuesday, January 16, 2007 2:50 AM To: tutor@python.org Subject: Re: [Tutor] python query Dear All, My name is Alexander Kapshuk. I'm interested in learning to program in Python. I have very little programming experience. I've learnt some basics of programming with Logo. I've downloaded Python 2.5 for Windows XP Professional. I would appreciate any advice on what to do next. What books/tutorials to use? I understand that learning a programming language involves practice. So, I suppose, I could use a book/tutorial with loads of practical code samples to try out. Any other practical advice you may deem feasible would be welcome. Thanking you in advance. Alexander Kapshuk. Here's some good books to read. http://www.python.org/infogami-faq/tutor/tutor-what-are-some-good-books- on-python/ Feel free to post questions to this list too. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Creating folders
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Toon Pieton Sent: Wednesday, January 10, 2007 2:31 PM To: tutor Subject: [Tutor] Creating folders Hey friendly users! My question is pretty simple. How can I create a folder with Python? Trying to make a program which will allow me to save my notes (txt files) quickly and cleanly. Having to create folder manually would really make it a bit obsolete. Thanks in advance! http://docs.python.org/lib/os-file-dir.html os.mkdir Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] need help with sending email
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of shawn bright Sent: Friday, January 05, 2007 10:18 AM To: tutor-python Subject: [Tutor] need help with sending email lo there all. i am in a tight spot because i need to send an email that it mime encoded plain-text ( not html or anything ) no attachements, no images, just text from a string. like message = 'some message' all the tutorials i find out there, and the cookbook recipies are for sending multipart messages, attachments, etc.. this needs to be simple, but needs to be able to reach a large variety of cell phone text message receivers. anyone know of a good tutorial or recipe out there ? thanks, shawn This might help: http://effbot.org/librarybook/smtplib.htm Also, the docs on smtplib: http://docs.python.org/lib/module-smtplib.html Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] python web dev
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of OkaMthembo Sent: Thursday, January 04, 2007 9:12 AM To: tutor@python.org Subject: [Tutor] python web dev hi pythonistas! this is my first post. please could you tell me which is the best lightweight python web framework? also, which is the best templating language for python? (which can handle other data formats in addition to text). so far im lured by Cheetah, although i havent done any web dev with python yet. i absolutely love python syntax, but web dev in python is murky water. it seems unneccesarily hard, even compared to php and asp.net thanks, Shortash I'm using Cheetah on a current project. I really like it. I like that you can compile the template and then use it as a module to populate it. I want to check out Django next. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] SPE - Stani's Python Editor ?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Chris Hengge Sent: Tuesday, January 02, 2007 4:57 PM To: Dick Moores Cc: tutor@python.org Subject: Re: [Tutor] SPE - Stani's Python Editor ? I've recently started playing with Eclipse and the two PyDev plugin's over the holidays. I'm seriously liking it... but my likes are more closely related to Visual Studio as an editor, so this is like the perfect environment for me.. http://www.showmedo.com/videos/series?name=PyDevEclipseList This link shows you two video's on how pydev works, and how to setup. I played with Eclipse a little bit. I got annoyed that the plugins would nickel and dime you to death. Pydev is free, but the additional features in Pydev Extensions cost $. I heard there was a plugin for vi emulation. Unfortunately, it was another plugin that you had to pay for. I decided to stick with VIM where the plugins are free. I recently starting using VIM's snippets.emu plugin. It emulates TextMate's snippets. TextMate is an editor for OS X that is getting a lot of attention. There are people working on TextMate-like editors for Windows and Linux. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python cgi scripting
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Troy Sent: Tuesday, December 26, 2006 10:01 PM To: tutor@python.org Subject: [Tutor] Python cgi scripting Hello. I'm just starting to learn Python, and want to do some python cgi scripting. Can someone recommend a good web site or online reference (beginner level)? Thank you. Check out the docs on the cgi module http://docs.python.org/lib/module-cgi.html Also, devshed has an article on cgi programming with Python http://www.devshed.com/c/a/Python/Writing-CGI-Programs-in-Python/ Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] ***SPAM*** List to dictionary
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Luke Paireepinart Sent: Wednesday, December 06, 2006 10:54 PM To: tutor@python.org Subject: Re: [Tutor] ***SPAM*** List to dictionary Also, why is there now a **SPAM* in the subject heading? Wonderingly, -Luke Maybe Bill was labeling it SPAM since it was posted twice to the list? shrug / Wed Dec 6 17:00:18 CET 2006 Thu Dec 7 04:31:55 CET 2006 Also, I tried to explain in my reply yesterday. The next statement (temp[i] = 0) is where I get confused. Can someone please explain what is happening here. I'm confused. %) - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Integer?
How can I check if a variable is an integer?
Luke and John have answered your question, but we should also
ask, why
do you want to do that? Explicit type testing is a code
smell, perhaps
there is a better way to do what you want.
Kent
Kent,
Can you explain further? Refactoring is in my queue of books to read. In
a web app I'm writing, I'm checking the input kind of like this...
try:
form_value = int(form.getvalue('num_widgets')
except ValueError:
display_error(Number of Widgets must be a number)
Mike
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Re: [Tutor] List to dictionary question
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Morpheus
Sent: Wednesday, December 06, 2006 9:00 AM
To: tutor@python.org
Subject: [Tutor] List to dictionary question
I'm new to programming, and trying to learn the Python language.
The following code does what I want it to do, but I have not
idea how it
works.
def scanList(names,temp):
for i in names:
temp[i] = 0
print temp
Names = []
temp = {}
I have a list of names (Names[]) and want to remove duplicate names in
the list. Here is what I think is happening (please correct me if I'm
wrong, or using the wrong technical terminology): I'm passing the
variables Names and temp as arguments to the scanList function. The
statement (for i in names:) is an iteration going through each item in
the list. The next statement (temp[i] = 0) is where I get confused.
Can someone please explain what is happening here.
Thanks for your help.
temp is a dictionary. Dictionaries have unique keys. scanList goes
through each item in names and sets the key of the temp dictionary to
the item. If there are more than one item of the same value, it just
sets the key of the dictionary again. The statement temp[i] = 0 is
setting the value of the key 'i' to 0. (temp[key] = value) To get your
list without duplicates just get the keys of the dictionary after the
list has been run through function.
temp.keys()
If you have names = [1,2,3,2,4]
The temp dictionaries keys become 1,2,3,4.
In the scanList function above
temp[1] = 0
temp[2] = 0
temp[3] = 0
temp[2] = 0 - It's just setting the same key to zero again.
temp[4] = 0
temp.keys()
[1,2,3,4]
I hope that makes some sense.
I think a more explicit way of removing duplicates from a list is using
sets.
In [1]: x = ['a', 'a', 'b', 'c', 'd', 'e', 'f', 'f', 'f']
In [2]: se = set(x)
In [3]: se
Out[3]: set(['a', 'c', 'b', 'e', 'd', 'f'])
In [4]: sel = list(se)
In [5]: sel
Out[5]: ['a', 'c', 'b', 'e', 'd', 'f']
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Re: [Tutor] OT: Vim was: free IDE for Python?
From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED] Sent: Thu 11/16/2006 10:32 PM To: [EMAIL PROTECTED] Cc: tutor@python.org Subject: Re: [Tutor] OT: Vim was: free IDE for Python? Hi Alan, Greetings. Alan Gauld wrote: I have to chuckle when you recommend Vim for ease of use. Me too, and I've been a vi/elvis/viper/vim user for over 20 years(*). vi/vim could never be described as easy to learn, but... I too use vim for a variety of editing tasks. From xml, python to normal text editing, not a power user yet. Do you have any tips/tricks to share for python on vim. Your vimrc file or any plugins you use. How would you run the python script from vim? - !python % OR any other way? I dislike the command line window popup to execute the scripts. (and press Enter key twice). I kindda wish, that Hot-Key for !python % should :split the window and display the results for non-interactive run. If interactive session, the cmd.exe could stay open.. What the settings of ppl using vim for python? -- Senthil ___ Here's what I'm doing. Not sure if it's that helpful to you. I use the mini-buffer explorer plug-in and the taglist plugin. set smartindent shuts off the annoying # comment in smartindent to jump to col 1 inoremap # Xc-h# autocmd BufRead *.py set smartindent cinwords=if,elif,else,for,while,try,except,finally,def,class I've mapped a key to run pyflakes and display the results in a different buffer :new | r!pyflakes # Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] free IDE for Python?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan Gauld Sent: Wednesday, November 15, 2006 4:49 PM To: tutor@python.org Subject: Re: [Tutor] free IDE for Python? wesley chun [EMAIL PROTECTED] wrote Eclipse http://pydev.sourceforge.net http://www.eclipse.org/ Has anyone got an idiot's guide to getting Eclipse working with python? I've tried a couple of times but ran out of patience. In fact I haven't really got vanilla Eclipse working for Java yet, it all seems a lot of work for an IDE! NetBeans was so much easier but my friends all laughed at me and said I should be using Eclipse... :-) Alan (the impatient) G. I found the getting started docs got me going with Eclipse and Pydev. http://www.fabioz.com/pydev/manual_101_root.html I still find myself using VIM more than Eclipse. I'll need to play with Eclipse some more to make a decision if I want to stick with it or just stay with VIM. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] how to extract time from datetime.date.time()
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Asrarahmed Kadri Sent: Thursday, November 16, 2006 10:29 AM To: tutor-python Subject: [Tutor] how to extract time from datetime.date.time() Hi, I want to extract hh:mm:ss from below mentioned code: import datetime t = datetime.datetime.now() print t 2006-11-16 16:59:02.843000 How to do it? TIA. Regards, Asrarahmed -- To HIM you shall return. http://docs.python.org/lib/datetime-datetime.html I believe datetime.datetime.now() returns a datetime object. You can just look at the attributes of the object. In [6]: import datetime In [7]: t = datetime.datetime.now() In [8]: t.hour Out[8]: 10 In [10]: t.minute Out[10]: 33 In [11]: t.second Out[11]: 37 - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] free IDE for Python?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of William O'Higgins Witteman Sent: Thursday, November 16, 2006 12:08 PM To: tutor@python.org Subject: Re: [Tutor] free IDE for Python? On Thu, Nov 16, 2006 at 08:36:25AM -0700, Mike Hansen wrote: I found the getting started docs got me going with Eclipse and Pydev. http://www.fabioz.com/pydev/manual_101_root.html I still find myself using VIM more than Eclipse. I'll need to play with Eclipse some more to make a decision if I want to stick with it or just stay with VIM. You don't have to choose, use the viPlugin for Eclipse: http://www.eclipseplugincentral.com/Web_Links-index-req-viewli nk-cid-103.html -- yours, William That looks interesting. This looks better than eclim. On the surface, Eclim looked kind of strange to set up and use. Thanks, Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] question about __init__ in a class
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of shawn bright
Sent: Monday, November 13, 2006 11:45 AM
To: tutor-python
Subject: [Tutor] question about __init__ in a class
Hello there all.
i have a class that i need to load some class variables
depending on what is passed to the class, it would either be
set up using one variable or another. The values for the
class variables would be loaded from a database. But how it
is looked up depends on how its called. Like this:
class Sensor_Object(object):
def __init__(self, id, monitor):
if id:
self.id = id
load values from the database
value1 = somevalue
value2 = someOthervalue
else:
self.monitor = monitor
get some values from database
value1 = somevalue
value2 = someothervalue
now i could call it like this:
new_monitor = sensor.Sensor('', 'XJ191')
or
new_monitor = sensor.Sensor('3433', '')
to load based on the other variable.
i think that this would work, but i was thinking that there
must be a cleaner way to do it.
any suggestions ?
sk
I don't know if it's cleaner, but it might be easier to read if you use
default named arguments.
def __init__(self, id = None, monitor = None):
Calling it
new_monitor = sensor.Sensor(monitor = 'XJ191')
new_monitor = sensor.Sensor(id = '3433')
Check to make sure one or the other arguments is supplied. Otherwise
throw an exception.
Maybe there'll be some better ideas from other posters.
Mike
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Any dissemination, distribution, or copying of this communication is strictly
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Please notify the sender immediately if you are not the intended recipient.
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Re: [Tutor] free IDE for Python?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Vadhri, Srinivas Sent: Monday, November 13, 2006 4:03 PM To: tutor@python.org Subject: [Tutor] free IDE for Python? Hi A newbie to Python. What is the free IDE for Python development activities? ActiveState's Komodo IDE needs a license and a fee. Any recommendations? Regards, Srinivas Vadhri http://www.python.org/infogami-faq/tutor/tutor-whats-the-best-editor-ide -for-python/ Or tinyurl ..http://tinyurl.com/yxjxgc I use VIM. I've been experimenting with Eclipse and Pydev. You'll get almost as many answers as there are people on this list. Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] First realscript + Game of Life
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Luke Paireepinart Sent: Friday, November 10, 2006 12:08 AM To: Carlos Cc: tutor@python.org Subject: Re: [Tutor] First realscript + Game of Life Since there has been some talk about the list itself, when some of you reply to my posts sometimes I get a mail straight to my account. This is very useful because it lets me see the reply before it is posted on the list and because in this way is easier to keep track of the info that is useful for me. The question is: is this a personal option from the person who replys? I would like to have all my answers this way, is it possible? You get a direct mail when people use the 'reply-all' feature. I use that exclusively. I figure if enough people are aggravated by it, they'll get the admin to add reply-munging so replies only go straight to the whole list like on Pygame. Otherwise, I use reply-all so I don't have to type in 'tutor@python.org' every time. The side effect of other people getting the e-mails is generally not too annoying, because the list is smart enough to not send you an extra copy anyway. So unless you use the Digest method, you shouldn't notice a difference at all. Thanks a lot for your help. Sure thing. Happy coding, You too. Carlos -Luke http://www.python.org/infogami-faq/tutor/tutor-why-do-my-replies-go-to-t he-person-who-sent-the-message-and-not-to-the-list/ Or http://tinyurl.com/uns5q - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] SAX, DOM, XSLT api
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Picio Sent: Friday, November 10, 2006 8:03 AM To: tutor@python.org Subject: [Tutor] SAX, DOM, XSLT api Hello, what are the equivalent Pyhton tools you suggest to handle: SAX DOM and which api for XSLT ? I know that this is a really newbie question...But I'm a true python newbie ;) ! Daniele P.s: I know I can also google-it a little bit to find those answers but your advices are better. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor Here's a list of all the XML parsing modles that come with Python 2.5. Element Tree seems to be the more popular way of parsing XML in Python. I believe you can download Element Tree for older vesions of Python. http://docs.python.org/lib/markup.html Here's an article on XSLT tools for Python... http://uche.ogbuji.net/tech/akara/nodes/2003-01-01/python-xslt Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] winsound mac
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of max . Sent: Friday, November 10, 2006 9:01 AM To: tutor@python.org Subject: [Tutor] winsound mac i am starting a small useless program i got from the show lost but cant find a module on mac to make beeping noises i know windows has winsound *never used it but heard about it* but eather way is thair anything like winsound for mac ^_^ s33 y4 If you don't get any answers here, you might try the Python Mac Sig. http://www.python.org/community/sigs/current/pythonmac-sig/ Mike - NOTICE: This e-mail transmission and any documents or files attached to it contain information for the sole use of the above-identified individual or entity. Its contents may be privileged, confidential, and exempt from disclosure under the law. Any dissemination, distribution, or copying of this communication is strictly prohibited. Please notify the sender immediately if you are not the intended recipient. FGNS ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Mapping to object attributes
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Alan Gauld
Sent: Tuesday, October 31, 2006 4:47 PM
To: tutor@python.org
Subject: Re: [Tutor] Mapping to object attributes
Mike Hansen [EMAIL PROTECTED] wrote
I've got a web form with a lot of form fields. I'd like to be able
to map
the form fields to an object's attributes. I'm having a little
trouble
figuring out how.
John has answered that bit.
There will be some fields I'll need to validate(boolean or
int), but
the
majority are just text fields that can be passed to the object.
One thing you can do is store the validation functions in the
dictionary with the value.
def intValidator(i):
try: return int(i)
except: return None
def boolValidator(b):
try: return b and True or False
except: return None
mapping = { 'field': (intvalue, intValidator),
'another': (boolvalue,boolValidator)...}
You can then access the validator like so:
value = mapping[fieldname][0]
validator = mapping[fieldname][1]
value = validator(value)
if value == None: #ooops!
or more concisely:
value = mapping[fieldname][1](mapping[fieldname]0])
This style of validation has the benefit (or side-effect if you
prefer)
of converting compatible types into true types. eg. validating a
string
or float representation of an integer returns the actual integer
value.
HTH,
--
Alan Gauld
Author of the Learn to Program web site
http://www.freenetpages.co.uk/hp/alan.gauld
Thanks John and Alan. Your suggestions will make my code less nested.
Mike
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[Tutor] Mapping to object attributes
I've got a web form with a lot of form fields. I'd like to be able to map
the form fields to an object's attributes. I'm having a little trouble
figuring out how.
I was thinking of something like this..
form = cgi.FieldStorage()
widget = Widget()
form_field_object_map = {'widget_name' : widget.name,
'alt_widget_name' : widget.alt_name,
...}
for form_field in form_field_object_map.keys():
form_field_object_map[form_field]...er
I'd like to avoid a pile if elif elifs. It seems like there should be a
cleaner way.
if form_field == 'widget_name':
widget.widget_name = form.getvalue(form_field)
elif form_field == 'alt_widget_name':
widget.alt_name = form.getvalue(form_field)
elif ...
There will be some fields I'll need to validate(boolean or int), but the
majority are just text fields that can be passed to the object.
Anyone got any ideas on how to do this?
Thanks,
Mike
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Re: [Tutor] Generic Application Frameworks?
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Chris Hengge Sent: Thursday, October 19, 2006 1:22 PM To: PyTutor Subject: Re: [Tutor] Generic Application Frameworks? Just incase anyone doesn't want to see that document to know what I'm asking about... Razor/Carbon includes: Auto Update Plugin System with management Error reporting Its got a few other features, but these are my focus. On 10/19/06, Chris Hengge [EMAIL PROTECTED] wrote: I was curious if there are any frameworks around like carbon/razor implimented in razor? Here's a link with information about razor (.net 1.1 versin of carbon) http://www.codeproject.com/cs/design/razorpt1.asp If not, is there any reason why? (limitation of python?) --- You might ask on comp.lang.python. You might also do a search at http://cheeseshop.python.org/pypi I did a search for 'application framework' and came up with http://cheeseshop.python.org/pypi/PlugBoard/0.2 Most of the other hits were for web application frameworks. Do you feel you need an application framework? I don't believe there's any limitation in python. I suspect it's mostly philosophical. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Generic Application Frameworks?
[...] I don't believe there's any limitation in python. I suspect it's mostly philosophical. -- What did you mean by this Mike? import this Simple is better than complex. Complex is better than complicated. I'm kind of torn on using frameworks. I'm but a simple caveman programmer(*), and some of these frameworks seem pretty complicated. On the other hand, they sound like they can speed up development. One of these days I'll probably take a good look at Django(**), and see if I can whip out a CRUD(***) web app. * - Phil Hartman SNL(I'm but a simple caveman lawyer) ** - A web application framework *** - CRUD...Create Update Delete Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Exception and sys.exit() in a cgi script
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Paulino Sent: Sunday, October 15, 2006 10:10 AM To: tutor@python.org Subject: [Tutor] Exception and sys.exit() in a cgi script This is a peace of a CGI script i have. 1 import cgi 2 form=cgi.FieldStorage() 3 try : 4 ano=form[ano].value 5 conta=form[conta].value 6 except KeyError : 7 print 'htmlbrbrbodypPlease enter values in the fields/p/body/html ' 8 sys.exit(0) When the excption occurs, no message is shown on the browser. If I run the script with IDLE, the message is printed and then the script exits. What's wrong here? ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor I'm catching up on the weekend's tutor messages. import cgitb; cgitb.enable() That spits errors to the web page which is great for debugging cgi scripts. I think you need print Content-Type: text/html\n\n Before your print html statement. http://docs.python.org/lib/cgi-intro.html http://docs.python.org/lib/node560.html Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Equivalent to perl -e
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of wesley chun Sent: Monday, October 16, 2006 12:51 AM To: Chris Lasher Cc: Python Tutor Subject: Re: [Tutor] Equivalent to perl -e His lab maintains a significant amount of Perl code this sounds like a full-time job on its own. everyone brings up a good point... use the right tool for the job. if it's one-liners, that's what perl -e is made for. for everything else that you mentioned above, Python is the the one, preferably the only one --obvious way to do it. :-) one perl'y thing that i *do* use is perl -c, for checking your syntax. i don't believe there's an equivalent way to do that from the Python cmd-line (correct me if i'm wrong!), but i wrote up a short script I called (pydashc.py) which just uses compile() to get the same effect... very useful for when i don't want to *run* something to see if i made any typos. regards, -- wesley I had this same issue when I moved from Perl to Python. You might take a look at pyflakes, pychecker, or pylint. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] python equivalent of perl readlink()?
[...] I certainly wouldn't like to see python breaking backwards compatibility, which is probably my primary gripe about open source software (although Bell Labs was equally guilty when they did things like change the ``grep -y'' option to ``grep -i''). Bill From what I understand, Python 3000 is going to break backwards compatibility. However, I think I read that someone is writing a utility that will translate your pre-Python 3000 code to Python 3000 code. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] VIM Python
This is slightly off topic... I use VIM to write my Python programs. I usually have a shell open to run pyflakes on the file I just edited. Is there a way to run pyflakes from within VIM and have it display the errors in another buffer? The :make stuff is confusing me. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] VIM Python
-Original Message- From: Carlos Hanson [mailto:[EMAIL PROTECTED] Sent: Wednesday, October 11, 2006 10:50 AM To: Mike Hansen Cc: tutor@python.org Subject: Re: [Tutor] VIM Python On Tue, October 10, 2006 1:44 pm, Mike Hansen wrote: This is slightly off topic... I use VIM to write my Python programs. I usually have a shell open to run pyflakes on the file I just edited. Is there a way to run pyflakes from within VIM and have it display the errors in another buffer? The :make stuff is confusing me. Mike Because I also use vim, I looked into this. I found the answer on the following site: http://www.rayninfo.co.uk/vimtips.html Try the following: :new | r!pyflakes # -- Carlos Hanson Web and System Administrator Tigard-Tualatin School District 503.431.4053 Interesting page. Works great! Thanks! Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] VIM Python
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan Gauld Sent: Wednesday, October 11, 2006 2:41 PM To: tutor@python.org Subject: Re: [Tutor] VIM Python I use VIM to write my Python programs. I usually have a shell open to run pyflakes on the file I just edited. Is there a way to run pyflakes from within VIM and have it display the errors in another buffer? I'm being lazy and not doing a search, but what is pyflakes? Alan G Another vim user... No problem. http://www.divmod.org/projects/pyflakes Pyflakes is a simple program which checks Python source files for errors. It is similar to PyChecker in scope, but differs in that it does not execute the modules to check them. This is both safer and faster, although it does not perform as many checks. Unlike PyLint, Pyflakes checks only for logical errors in programs; it does not perform any checks on style. - From the pyflakes web site. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Creating folders in windows...
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Chris Hengge
Sent: Wednesday, October 11, 2006 4:00 PM
To: Python Tutor
Subject: [Tutor] Creating folders in windows...
I found this from a 2004 mailing on this list..
os.path.mkdir('folder')
Doesn't work... there is no mkdir in os.path (old style maybe?)
os.path.mkdir('folder')
Traceback (most recent call last):
File input, line 1, in ?
AttributeError: 'module' object has no attribute 'mkdir'
dir(os.path)
['__all__', '__builtins__', '__doc__', '__file__', '__name__',
'abspath', 'altsep',
'basename', 'commonprefix', 'curdir', 'defpath', 'devnull',
'dirname', 'exists',
'expanduser', 'expandvars', 'extsep', 'getatime', 'getctime',
'getmtime', 'getsize',
'isabs', 'isdir', 'isfile', 'islink', 'ismount', 'join',
'lexists', 'normcase',
'normpath', 'os', 'pardir', 'pathsep', 'realpath', 'sep',
'split', 'splitdrive',
'splitext', 'splitunc', 'stat', 'supports_unicode_filenames',
'sys', 'walk']
Anyways... could someone please point me in the right direction?
I can use os.system('md test'), but that isn't cross platform...
Hopefully nothing is wrong with my python installation.
Thanks!
You might try os.mkdir instead of os.path.mkdir
Mike
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Re: [Tutor] module loading
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Thursday, October 05, 2006 12:06 AM To: tutor@python.org Subject: [Tutor] module loading Newbie BioGrad student here (again): First, thanks for the help on the root node variable last time. It was most helpful! Now, I am trying to load a new module into MacPython, but after doing $ python setup.py install, or $ python setup.py build, then $ python setup.py the files on the module I downloaded are the following: DEVELOPERS Legal.htm PKG-INFOSrc customize.pyrpm_build.sh DemoLib PackagesTest makeclean.shrpm_install.sh INSTALL MANIFESTREADME build makedist.batsetup.cfg Include MiscRPM.README changes.txt makedist.sh setup.py The INSTALL file says I don't need to configure the module if I'm running versions greater than OSX, which I am, but when I run the setup file in the last line of a bunch of erros it tells me the gcc failed. Thanks again for your help. You guys rock. Hugo Alamillo 265 Eastlick Biological Sciences PO Box 644236 Pullman, WA 99164-4236 509-432-6869 https://www.wsu.edu/~halamillo/ You might try asking this on the python mac mail list. They are extremely helpful. http://www.python.org/community/sigs/current/pythonmac-sig/ Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] [Fwd: Re: database web app, what tool?]
To: Liam Clarke [EMAIL PROTECTED] References: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] Thank you Liam, Our web server is IIS, but it would be no problem to use another one for this particular purpose. I'v been looking for information on how to design tables for the web with python, without succes so far. Can you point me any tutorial? Paulino Do you mean HTML tables? If so, it'd probably be best to use a templating system like cheetah. If you want to do it the hard way, you can do it from your python program with print statements.(print tabletr...) I think there's a module out there that can generate HTML for you. I'm not sure how far you've gone with doing web programming with python. You might look at this article http://www.devshed.com/c/a/Python/Writing-CGI-Programs-in-Python/ Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] What is a Python project?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dick Moores Sent: Tuesday, October 03, 2006 12:52 AM To: tutor@python.org Subject: [Tutor] What is a Python project? I tried out Wing IDE Personal (http://wingware.com/wingide-personal) off and on for 30 days, and then, finding it easy to use (probably because it's designed for Python), decided to buy it. I'm happy with it, and very pleased with the fast response from technical support available by email. I've never written anything in Python other than single-file scripts. WingIDE has the ability to handle projects, which apparently consist of files and packages. But what is a project? What does a project have that can't be put into a single .py file script? Thanks, Dick Moores ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor When your apps start getting larger, you'll find that you want to put common functions into modules that you can hopefully reuse for other programs. http://docs.python.org/tut/node8.html I've been doing some web programming, so my projects consist of cheetah template files, CSS, config files, a handful of python modules... I hope that helps. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] What is a Python project?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dick Moores Sent: Tuesday, October 03, 2006 12:41 PM To: tutor@python.org Subject: Re: [Tutor] What is a Python project? At 10:01 AM 10/3/2006, Mike Hansen wrote: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dick Moores Sent: Tuesday, October 03, 2006 12:52 AM To: tutor@python.org Subject: [Tutor] What is a Python project? I tried out Wing IDE Personal (http://wingware.com/wingide-personal) off and on for 30 days, and then, finding it easy to use (probably because it's designed for Python), decided to buy it. I'm happy with it, and very pleased with the fast response from technical support available by email. I've never written anything in Python other than single-file scripts. WingIDE has the ability to handle projects, which apparently consist of files and packages. But what is a project? What does a project have that can't be put into a single .py file script? Thanks, Dick Moores ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor When your apps start getting larger, you'll find that you want to put common functions into modules that you can hopefully reuse for other programs. Yes, I already have done this. But in scripts I write I simply import the functions I want from that module. I don't think in terms of making a project. Maybe I've missed your point? http://docs.python.org/tut/node8.html Now, that page has a lot of stuff I didn't know. Thanks! Maybe I should read the whole tutorial. I see that's it's been updated for 2.5. And it's by GvR. http://docs.python.org/tut/tut.html I've been doing some web programming, so my projects consist of cheetah template files, CSS, config files, a handful of python modules... Why do you make python modules part of a project? They can be used without copying them around, can't they? Or is it that by a project is meant in part a list of pointers to all the files you mean for that program to use, and you don't actually have to copy or move them so they are all in the same folder/directory? Thanks, Mike. Dick I use Komodo and VIM. With Komodo, a project is just a collection of related files. I'd imagine that WingIDE does something similar. You set up a project and add files to them. It's just a way to keep organized. As far as the python modules in my project, they are ones that I've written not 3rd party stuff. If the day comes that I use my own modules in more than one application/project, I'll probably move them to site packages. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python CGI Script
-Original Message- From: Alan Gauld [mailto:[EMAIL PROTECTED] Sent: Thursday, September 21, 2006 2:51 AM To: Mike Hansen; tutor@python.org Subject: Re: [Tutor] Python CGI Script sql_statement = INSERT INTO images (image) VALUES (%s) cur.execute(sql_statement, (data_obj, )) Is it just moving the variable substitution to the execute statement as a tuple, so it will perform the proper quoting? Nope, the syntax changes slightly, and I believe depends on the database driver you use. For SqlLite (and I think for MySql) its a question mark sql_statement = INSERT INTO images (image) VALUES (?) cur.execute(sql_statement, data_obj) And I don;t think you need the tuple form unless you have multiple values. And you can do it in one line too: cur.execute(INSERT INTO images (image) VALUES (?), data_obj) Alan G. In my case, I'm using psycopg2 for PostgreSQL. I just did a test, and it doesn't seem to like the ? syntax. I'll check the documentation to see if there's a setting to have it use the ? syntax. Thanks, Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] module file copy ?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dave S Sent: Thursday, September 21, 2006 2:41 PM To: Python Tutor Subject: [Tutor] module file copy ? OK have I missed it - but which module is file copy in ? I looked all around OS but no luck - I can find rename(src, dst) but that's about it. Cheers Dave ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor I think I had the same problem when I started using Python. It's the shutil module. shutil.copyfile(src, dst) Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python CGI Script
-Original Message- Subject: Re: [Tutor] Python CGI Script query1 = SELECT ABC FROM %s limit %s,%s\ % (self.tableid,self.rangeid1,self.rangeid2) Just as a note: please don't do this! *grin* Don't build query strings up like this: this is very prone to an SQL injection attack. See: http://mail.python.org/pipermail/tutor/2003-April/022010.html which talks about this a bit more. ___ I just wanted to verify what I believe to be correct way of doing this. sql_statement = INSERT INTO images (image) VALUES (%s) cur.execute(sql_statement, (data_obj, )) Is it just moving the variable substitution to the execute statement as a tuple, so it will perform the proper quoting? Thanks, Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Hi All
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Amit Rane Sent: Saturday, September 02, 2006 4:52 AM To: tutor@python.org Subject: [Tutor] Hi All Hi , This is Amit from India ... i have just started working on Python ... please let me know the books to refer to start learning python ..as of now i am going thru online books ... please let me know if any additional books are there . Thanks Regards , Amit Rane This question gets asked a lot, so here's a tinyurl link to the FAQ on this topic. http://tinyurl.com/kl9bu which is http://pyfaq.infogami.com/tutor-what-are-some-good-books-on-python ** IMPORTANT: The contents of this email and any attachments are confidential. They are intended for the named recipient(s) only. If you have received this email in error, please notify the system manager or the sender immediately and do not disclose the contents to anyone or make copies thereof. *** eSafe scanned this email for viruses, vandals, and malicious content. *** ** ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] omnicomplete vim python
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan Gauld Sent: Tuesday, August 29, 2006 1:26 AM To: anil maran Cc: tutor@python.org Subject: Re: [Tutor] omnicomplete vim python [...] This isn't answering Anil's question but I'm curious. I've had access to editors that do this kind of thing since 1988 when I first encountered DECs LSE(Language Sensitive Editor) for the VAX. and in a more limited form C and Lisp modes on emacs. Then it became popular on PC editors in Visual Studio and the Borland tools. But does anyone actually use this feature? I know I don't, in fact I usually turn it off because I find it distracting! I usually know what attributes or methods I need to call, and the parameters that I need to pass often depend on context anyway so the tools often get it wrong. So I'm curious, how many folks actively use these so-called productivity features like intellisense/omnicomplete? BTW I don't mind toopltips - where they tell you the signature of a function but don't fill it in... Its the autocomplete feature I've never found helpful. Alan G I switch between Komodo and VIM. Komodo has autocomplete. I've never found it distracting. It's kind of useful. I haven't explored omnicomplete in VIM yet. I still just ctrl-n instead of using the new omnicomplete stuff. I like the background syntax checking in Komodo. It has been helping me clean up problems before I get around to running Pyflakes on the program. BTW, the next version of Komodo will have vi key-bindings! Mike ** IMPORTANT: The contents of this email and any attachments are confidential. They are intended for the named recipient(s) only. If you have received this email in error, please notify the system manager or the sender immediately and do not disclose the contents to anyone or make copies thereof. *** eSafe scanned this email for viruses, vandals, and malicious content. *** ** ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] making independent program?
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kay White Sent: Monday, August 28, 2006 1:45 PM To: tutor@python.org Subject: [Tutor] making independent program? Hello again, Can you make programs that don't require an installation of Python to run? I want my little program to run on other peoples' computers, without them having to install Python to use it. I've searched through tutorials and there doesn't seem to be any information about this. http://pyfaq.infogami.com/tutor-how-do-i-make-an-executable-out-of-my-py thon-program or http://tinyurl.com/gtrpa if the url is too long. Mike ** IMPORTANT: The contents of this email and any attachments are confidential. They are intended for the named recipient(s) only. If you have received this email in error, please notify the system manager or the sender immediately and do not disclose the contents to anyone or make copies thereof. *** eSafe scanned this email for viruses, vandals, and malicious content. *** ** ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] tkinter events: B1-Motion
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Zsiros Levente Sent: Thursday, August 24, 2006 2:21 PM To: Danny Yoo Cc: python tutor Subject: Re: [Tutor] tkinter events: B1-Motion If we're talking about data hiding, let me ask: why Python doesn't implement data hiding (I mean 'private' and 'protected')? I consider it a very important OOP feature, because that makes OOP different from structural programming. This might explain... http://pyfaq.infogami.com/tutor-how-do-i-make-public-and-private-attribu tes-and-methods-in-my-classes Mike ** IMPORTANT: The contents of this email and any attachments are confidential. They are intended for the named recipient(s) only. If you have received this email in error, please notify the system manager or the sender immediately and do not disclose the contents to anyone or make copies thereof. *** eSafe scanned this email for viruses, vandals, and malicious content. *** ** ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] python processing of web html forms
__ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jeff Peery Sent: Thursday, August 03, 2006 11:38 AM To: tutor@python.org Subject: [Tutor] python processing of web html forms Hello, I want to use python to process information input into a HTML form on my website. how is this typically performed? I saw cherrypy and also quixote for web python stuff... I have no experience with python on the web. Thanks. jeff You might want to take a look at the cgi module. Devshed has an article on getting started with it. http://www.devshed.com/c/a/Python/Writing-CGI-Programs-in-Python/ IMO, I think if you want to do web stuff, you should learn the basics first(cgi), then move on to cherrypy, quixote, django, turbo gears... Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] IDE for Python
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Basavaraj SP. Sent: Tuesday, July 25, 2006 9:05 AM To: tutor@python.org Subject: [Tutor] IDE for Python Dear All, I am new to Python. I want to know which IDE I should use for programming. If so from where can I get it? Thanks in advance. - Raj I personally use VIM. The closest thing to an IDE I've used is Komodo. You might check out these links. http://pyfaq.infogami.com/tutor-whats-the-best-editor-ide-for-python Mike http://users.adelphia.net/~mahansen/programming/editorides.html ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] need problems to solve
Hi, I was wondering where I could get problems in python for practicing. Thanks Regards Devayani http://pyfaq.infogami.com/tutor-im-learning-python-what-should-i-programhas some suggestions. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] classes and functions
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of anil maran Sent: Thursday, June 29, 2006 12:51 PM To: Tutor Subject: [Tutor] classes and functions how to use classes and functions in python thanks What do you need to know? Have you read the tutorial? http://pytut.infogami.com/ The tutorial wiki has some info about functions http://pytut.infogami.com/node6.html There's also some information on classes http://pytut.infogami.com/node11-baseline.html Post specific questions if these links aren't clear enough, and we can probably help. I hope these links help you. Mike http://users.adelphia.net/~mahansen/programming/ ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] projects for beginners
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of josipSent: Monday, June 19, 2006 8:39 AMTo: tutor@python.orgSubject: [Tutor] projects for beginners Hi! I have read learning python and mede some smaller examples. Now I want to make smoe project, I'm thinking about text editor. Can someone give me pointers like (where and how to start, etc.)? Or maybe another project suitable for beginners. http://pyfaq.infogami.com/tutor-im-learning-python-what-should-i-program Has a couple of ideas for projects. Mike http://users.adelphia.net/~mahansen/programming/ ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] If then else question
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andrew Robert Sent: Wednesday, June 14, 2006 12:41 PM To: Python Tutor Subject: [Tutor] If then else question -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi Everyone, In the middle of an if then else, I have the following line elif ch_val == '040' or ch_val == '011' or ch_val == '012': The line works but it is a little ungainly. Anyone have a better way of accomplishing the same thing? - -- Thank you, Andrew Robert Maybe... elif ch_val in ['040', '011', '012']: Mike http://users.adelphia.net/~mahansen/programming/ ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] die or exit function?
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andy Koch Sent: Tuesday, June 13, 2006 8:42 AM To: tutor@python.org Subject: [Tutor] die or exit function? Bkgd: I've been doing PHP for the last several years. Q: In PHP there are functions die and exit which terminate processing of a script with an optional string output. Is there something similar to this in Python? sys.exit(something bad happened) Although it's probably better to catch the exception and deal with it and then sys.exit() if need be. Mike http://users.adelphia.net/~mahansen/programming/ ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Python related mags
On Jun 12, 2006, at 5:53 AM, Andrew Robert wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi everyone, Does anyone know of any Python related magazines available that would be worth subscribing to? Ideally, a free one, but I would not object to a reasonably priced one either. I was able to find pyzine located at www.pyzine.com but it appears to be defunct. I don' think there's much out there. Sometime Linux Journal will have Python related articles, sometimes Dr. Dobbs. As popular as Python is, it's probably not popular enough to sustain a magazine devoted just to it. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] making a python program part of xhtml
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Emily Fortuna Sent: Thursday, June 08, 2006 7:20 AM To: tutor@python.org Subject: [Tutor] making a python program part of xhtml Hola everyone, I'm working on creating a webpage in which a user can submit data into fields to be held in a database (there are other details, but this is the gist of the idea), and I need to use python. I am unfamiliar with manipulating data and web apps as a whole (and new to python), so I have been encountering much unfamiliar terrain. I _think_ I want to somehow embed the python into the page, but I'm really not sure how to do it. After googling I found some programs that generate xhtml from python, but I don't think that is what I want, or is it? Your help is appreciated! Emily Although you can embed python in a web page to be run on a server, you probably don't want to do that.(It can get pretty messy.) What I'd suggest is creating a web page that calls a python program on the server and processes form fields in the web page. The python program would save the data in the database. [web page] - [python program on server] - [database] Look at the FORM tag in HTML/XHTML. Also look at the cgi module for Python. I think there's some web topics on the Python web site that might point to articles about doing simple cgi stuff in Python. http://wiki.python.org/moin/CgiScripts http://www.devshed.com/index2.php?option=contenttask=viewid=198pop=1page =0hide_js=1 Is an article on cgi programming with Python. Mike ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Tutor FAQ
Here's a small batch of questions/answers for the tutor FAQ. Let me know if you have any corrections or clarifications. I'll post them to the web site in a couple of days. Mike - How much code should I post? Post as much relevent code as you can. However, the consensus seems to be that the more code you post, the less likely you'll get someone to review it. A max of 100 lines is suggested. If you have more code, you might post your code at http://www.rafb.net/paste or a similar site. - How do I dynamically name my objects? How do I name my objects based on user input? Rather than performing voodoo by dynamically creating variables, your best bet is to use a dictionary with the keys being the name of the object or user input and the values being the objects. - Why doesn't my special method add, init, or cmp.. work? Remember to use two underscores before and after the method name __add__, __init__, __cmp__. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Tutor FAQ
Well, I posted a few questions to http://pyfaq.infogami.com/tutor-index late last week. Since the next questions and answers are a bit on the long side, I'll send them to this list in multiple messages. Please let me know if you have any corrections or clarifications. Below is a reworked question from last week. - How do I make public and private attributes and methods in my classes? Python followws the philosophy of we're all adults here with respect to hiding attributes and methods. i.e. trust the other programmers who will use your classes. You should use plain attributes whenever possible. You might be tempted to use getters and setters, but the only reason to use getters and setters is so you can change the implementation later if you need to. However, Python allows you to do this with properties http://www.python.org/download/releases/2.2.3/descrintro/#property If you really must hide an attribute or method, Python does do name mangling. By putting two underscores before the attribute or method name and not putting two underscores after the name, Python will mangle the name by putting the class name in front of it. For an short example see http://en.wikipedia.org/wiki/Name_mangling#Name_mangling_in_Python [Paraphrased from a post to comp.lang.python by Steven Bethard] ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Tutor FAQ
- What's the difference between import foo and from foo import *? import sys This brings the *name* sys into your module. It does not give you access to any of the names inside sys itself (such as exit for example). To access those you need to prefix them with sys, as in sys.exit() from sys import * This does NOT bring the name sys into your module, instead it brings all of the names inside sys(like exit for example) into your module. Now you can access those names without a prefix, like this: exit() So why not do that instead of import sys? The reason is that the second form will overwrite and names you have already declared - like exit say. exit = 42 from sys import * # hides my exit variable. OR more likely, the other way round from sys import * exit = 42 # now hides the sys.exit function so I can't use it. Of course some of these are obvious but there can be a lot of names in a module, and some modules have the same name in them, for example: from os import * from urllib import * open(foo) # which open gets called, os.open or urllib.open? Can you see how it gets confusing. Bottom line is it is usually better to accept the extra typing and use import foo or for just a few names from foo import bar,baz [from a post on Python Tutor by Alan Gauld] ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Tutor FAQ
I need some help with this question and answer. It appears that useless Python is gone. uselesspython.com. Is it still around? Does anyone have any ideas on this one? - I'm learning Python. What should I program? If you have a personal itch to scratch, it's probably best to scratch it. You'll probably be more interested and motivated to program if it's something you want to accomplish. However, if you don't have any ideas, you can try the Python Challenge http://www.pythonchallenge.com/ ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Tutor FAQ
- What are some good books on Python? See the Python wiki http://wiki.python.org/moin/PythonBooks or search comp.lang.python or the tutor archives since this is a very frequently asked. If you have no programming experience, try Alan Gauld's book Learn To Program http://www.freenetpages.co.uk/hp/alan.gauld/ If you have some programming experience try Learning Python http://www.oreilly.com/catalog/lpython2/index.html Dive Into Python http://diveintopython.org/ Beginning Python: From Novice to Professional http://www.apress.com/book/bookDisplay.html?bID=10013 Core Python Programming http://starship.python.net/crew/wesc/cpp/ Good Python reference books are The Essential Python Reference http://www.samspublishing.com/title/0672328623 Python in a Nutshell http://www.oreilly.com/catalog/pythonian/index.html Python Cookbook http://www.oreilly.com/catalog/pythoncook2/ A note to Perl programmers who are learning Python. Don't start with Programming Python. It is not the same as Programming Perl. Start with Learning Python, then move on to Programming Python. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Tutor FAQ
- What is if __name__ == __main__ for? The 'if __name__ == __main__: ... trick exists in Python so that our Python files can act as either reusable modules, or as standalone programs. As a toy example, let's say that we have two files: ## mumak:~ dyoo$ cat mymath.py def square(x): return x * x if __name__ == '__main__': print test: square(42) ==, square(42) mumak:~ dyoo$ cat mygame.py import mymath print this is mygame. print mymath.square(17) ## In this example, we've written mymath.py to be both used as a utility module, as well as a standalone program. We can run mymath standalone by doing this: ## mumak:~ dyoo$ python mymath.py test: square(42) == 1764 ## But we can also use mymath.py as a module; let's see what happens when we run mygame.py: ## mumak:~ dyoo$ python mygame.py this is mygame. 289 ## Notice that here we don't see the 'test' line that mymath.py had near the bottom of its code. That's because, in this context, mymath is not the main program. That's what the 'if __name__ == __main__: ...' trick is used for. [From a post to Python Tutor by Danny Woo] ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Cheetah
I'm having a little trouble populating a cheetah template. I thought I'd ask here first before checking the cheetah mailing list or c.l.p. I have a simple template !DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN html lang=en head titleThis is a test/title /head body h1$titleh1 #for $item in $items pcategory: $item.category/p pname: $item.name /p pprice: $item.price/p #end for /body /html That I compiled using cheetah. Here's the python code that uses it: #!/usr/bin/env python import testform import cgitb; cgitb.enable() class ReqItem(object): def __init__(self, category, name, price): self.category = category self.name = name self.price = price t = testform.testform() t.title = this and that items = [] category = little stuff name = hotwheel price = 2 item = ReqItem(category, name, price) items.append(item) category = big stuff name = monster truck price = 3 item = ReqItem(category, name, price) items.append(item) t.items = items print Content-Type: text/html\n\n print str(t) However, I get the following error: Traceback (most recent call last): File ./testit.py, line 36, in ? print str(t) File testform.py, line 100, in respond __v = VFFSL(SL,item.category,True) NotFound: cannot find 'category' while searching for 'item.category' Does anyone know what I'm doing wrong? ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Tutor FAQ
Here's the next batch of questions and answers for the tutor FAQ. If you have any clarifications or corrections, please let me know. I'll try to post this on the web site in a couple of days. - How do I get data out of HTML? Try Beautiful Soup. http://www.crummy.com/software/BeautifulSoup/ Beautiful Soup is more forgiving than other parsers in that it won't choke on bad markup. - What's the best editor/IDE for Python? It's really a matter of preference. There are many features of an editor or IDE such as syntax highlighting, code completion, code folding, buffers, tabs, ... Each editor or IDE has some or all of these features, and you'll have to decide which features are important to you. See http://wiki.python.org/moin/PythonEditors for a list of editors. Also http://wiki.python.org/moin/IntegratedDevelopmentEnvironments has a list of IDEs. - How do I make public and private attributes and methods in my classes? Python followws the philosophy of we're all adults here with respect to hiding attributes and methods. i.e. trust the other programmers who will use your classes. You can't really hide variables and methods in Python. You can give clues to other programmers. Python does do name mangling. By putting two underscores before the attribute or method name and not putting two underscores after the name, Python will mangle the name by putting the class name in front of it. For an short example see http://en.wikipedia.org/wiki/Name_mangling#Name_mangling_in_Python - Why doesn't my regular expression work? Typically, it's an isssue between re.match and re.search. Match matches the beginning only and search checks the entire string. See the regular expression HOWTO for more details. http://www.amk.ca/python/howto/regex/ - How do I perform matrix operations using Python? The Python FAQ has an entry on how to create multidimensional lists: http://python.org/doc/faq/programming.html#how-do-i-create-a- multidimensional-list You may want to look into the 'numarray' third party module: http://www.stsci.edu/resources/software_hardware/numarray - How do I make an executable out of my Python program? Although it isn't necessary to turn your Python programs into executables, many people want to be able to put their Python programs on other machines that don't have Python installed. Py2exe makes an executable of your Python program. For Windows only. http://sourceforge.net/projects/py2exe/ ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Tutor FAQ
Thanks Kent. I'll make those additions/corrections and rework the question about private and public attributes and methods. Mike On Apr 26, 2006, at 7:42 PM, Kent Johnson wrote: Mike Hansen wrote: Here's the next batch of questions and answers for the tutor FAQ. If you have any clarifications or corrections, please let me know. I'll try to post this on the web site in a couple of days. Thanks Mike! - What's the best editor/IDE for Python? It's really a matter of preference. There are many features of an editor or IDE such as syntax highlighting, code completion, code folding, buffers, tabs, ... Each editor or IDE has some or all of these features, and you'll have to decide which features are important to you. See http://wiki.python.org/moin/PythonEditors for a list of editors. Also http://wiki.python.org/moin/IntegratedDevelopmentEnvironments has a list of IDEs. This question is asked every few weeks on comp.lang.python so searching the archives will yield many opinions. - How do I make public and private attributes and methods in my classes? Python followws the philosophy of we're all adults here with respect to hiding attributes and methods. i.e. trust the other programmers who will use your classes. You can't really hide variables and methods in Python. You can give clues to other programmers. By convention, a name that starts with a single underscore is an implementation detail that may change and should not be used by client code. Python does do name mangling. By putting two underscores before the attribute or method name and not putting two underscores after the name, Python will mangle the name by putting the class name in front of it. IMO this needs work but not by me tonight... For an short example see http://en.wikipedia.org/wiki/Name_mangling#Name_mangling_in_Python - Why doesn't my regular expression work? Typically, it's an isssue between re.match and re.search. Match matches the beginning only and search checks the entire string. See the regular expression HOWTO for more details. http://www.amk.ca/python/howto/regex/ Python comes with a handy program for testing regular expressions, Tools\Scripts\redemo.py. - How do I perform matrix operations using Python? The Python FAQ has an entry on how to create multidimensional lists: http://python.org/doc/faq/programming.html#how-do-i-create-a- multidimensional-list You may want to look into the 'numarray' third party module: http://www.stsci.edu/resources/software_hardware/numarray Numarray is being replaced with numpy - we should refer people there You may want to look into the 'numpy' module which contains many resources for scientific computing including powerful matrix operations: http://numeric.scipy.org/ Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
