Re: very large dictionary

On Fri, 01 Aug 2008 00:46:09 -0700, Simon Strobl wrote: > Hello, > > I tried to load a 6.8G large dictionary on a server that has 128G of > memory. I got a memory error. I used Python 2.5.2. How can I load my > data? How do you know the dictionary takes 6.8G? I'm going to guess an answer to my

Interconvert a ctypes.Structure to/from a binary string?

Basically, I'd like to use the ctypes module as a much more descriptive "struct" module. Is there a way to take a ctypes.Structure-based class and convert it to/from a binary string? Thanks, -a -- http://mail.python.org/mailman/listinfo/python-list

Re: interpreter vs. compiled

On Aug 1, 5:24 am, Paul Boddie <[EMAIL PROTECTED]> wrote: > On 1 Aug, 07:11, castironpi <[EMAIL PROTECTED]> wrote: > > > > > Given the restrictions (or rather, freedoms) of Python, does there > > exist code that necessarily cannot translate to machine code?  In > > other words, can you translate al

Re: simple error i hope

Le Saturday 02 August 2008 00:51:50 Clay Hobbs, vous avez écrit : > It is also a good idea to open files with the open() function and not the > file() function.  They do the exact same thing, and take the exact same > parameters, just open() makes your code a bit more readable (or at least > that's

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Re: How to figure out if the platform is 32bit or 64bit?

Gary Josack wrote: Trent Mick wrote: Manuel Vazquez Acosta wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Just test for maxint value: from sys import maxint if maxint >> 33: print "more than 32 bits" # probably 64 else: print "32 bits" I believe that was already suggested in t

Re: Class definition attribute order

On Aug 1, 6:23 pm, Andrew Lentvorski <[EMAIL PROTECTED]> wrote: > How do I determine the order of definition of class attributes? > > For example, if I have a class > > class Test(object): >      y = 11 >      x = 22 > > How do I tell that y was defined before x? You wait until Python 3.0 where yo

Re: Strong/weak typing

[EMAIL PROTECTED] wrote: > I'm writing Python as if it were strongly typed, never recycling a > name to hold a type other than the original type. > > Is this good software engineering practice, or am I missing something > Pythonic? Nothing wrong with what you're doing. I've never come up with a

HELP DESK SOFTWARE APPLICATION DESIGNED

HELP DESK SOFTWARE APPLICATION DESIGNED ___ http://helpdesksoftwaremanagement.blogspot.com -- http://mail.python.org/mailman/listinfo/python-list

Re: Class definition attribute order

Andrew Lentvorski <[EMAIL PROTECTED]> writes: > How do I determine the order of definition of class attributes? > > For example, if I have a class > > class Test(object): > y = 11 > x = 22 > > How do I tell that y was defined before x? Like any namespace, attributes of an object are im

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Re: very large dictionary

Simon Strobl wrote: Hello, I tried to load a 6.8G large dictionary on a server that has 128G of memory. I got a memory error. I used Python 2.5.2. How can I load my data? SImon Take a look at the python bsddb module. Uing btree tables is fast, and it has the benefit that once the table is o

Re: win32com ChartObject pythonwin vs idle

On Jul 31, 11:22 pm, "Roger Upole" <[EMAIL PROTECTED]> wrote: > "sterling" <[EMAIL PROTECTED]> wrote in message > > news:[EMAIL PROTECTED] > > > > > > > I'm curious as to why the difference between IDLE and pythonWin when > > using win32com. > > opening an excel file, i've attempted to grab the cha

Re: Agnostic fetching

jorpheus wrote: OK, that sounds stupid. Anyway, I've been learning Python for some time now, and am currently having fun with the urllib and urllib2 modules, but have run into a problem(?) - is there any way to fetch (urllib.retrieve) files from a server without knowing the filenames? For insta

RE:applescript/python question

Hi Sean, Thanks for your fast reply. This still doesn't seem to work. I also tried changing it to #!/usr/local/bin/python since it looks like the Python 2.5 items are actually in there. I'm starting to wonder if AppleScript's 'do shell script' command is actually looking in /usr/bin for Pyth

Re: Agnostic fetching

On Fri, 01 Aug 2008 17:05:00 -0700, jorpheus wrote: > OK, that sounds stupid. Anyway, I've been learning Python for some > time now, and am currently having fun with the urllib and urllib2 > modules, but have run into a problem(?) - is there any way to fetch > (urllib.retrieve) files from a server

Re: applescript/python question

On Aug 1, 5:41 pm, <[EMAIL PROTECTED]> wrote: > I can't seem to figure this out.  I just installed Python 2.5.2 a few days > ago on my OS X 10.4.11 > system.  It runs fine and if I type "Python -V" in the Terminal it outputs > "Python 2.5.2" which is > correct.  However, if I try to run a 'do she

Re: Python parsing iTunes XML/COM

On Aug 2, 10:02 am, william tanksley <[EMAIL PROTECTED]> wrote: > Given that the input file was > Unicode, You mean something like "encoded in UTF-8". Here's another reference for you to read: http://www.amk.ca/python/howto/unicode -- http://mail.python.org/mailman/listinfo/python-list

applescript/python question

I can't seem to figure this out. I just installed Python 2.5.2 a few days ago on my OS X 10.4.11 system. It runs fine and if I type "Python -V" in the Terminal it outputs "Python 2.5.2" which is correct. However, if I try to run a 'do shell script' in AppleScript which I'm wanting to run a Py

Re: when does the GIL really block?

On Thu, 2008-07-31 at 18:27 -0700, Craig Allen wrote: > I have followed the GIL debate in python for some time. I don't want > to get into the regular debate about if it should be gotten rid of > (though I am curious about the status of that for Python 3)... > personally I think I can do multi-th

Could someone please review patch 799428: fix Tkinter tk_focusNext?

Patch is a trivial (one word) fix to a long-standing issue with Tkinter: calls to the widget method tk_focusNext() fail with "unsubscriptable object" error. Admittedly we've lived a long time with this bug. But the fix is so simple and so obviously safe that

Agnostic fetching

OK, that sounds stupid. Anyway, I've been learning Python for some time now, and am currently having fun with the urllib and urllib2 modules, but have run into a problem(?) - is there any way to fetch (urllib.retrieve) files from a server without knowing the filenames? For instance, there is smth

Re: Python parsing iTunes XML/COM

John Machin <[EMAIL PROTECTED]> wrote: > william tanksley <[EMAIL PROTECTED]> wrote: > > Cool. Sorry for the misunderstanding. Thank you for helping again! > > Postscript: your request to print the actual data did the trick. > I'd back inspecting actual data against armchair philosophy any > time

Re: when does the GIL really block?

On Aug 1, 12:06 pm, Rhamphoryncus <[EMAIL PROTECTED]> wrote: > On Jul 31, 7:27 pm, Craig Allen <[EMAIL PROTECTED]> wrote: > > > > > I have followed the GIL debate in python for some time. I don't want > > to get into the regular debate about if it should be gotten rid of > > (though I am curious a

Re: Error:can't assign to operator

On Aug 1, 9:50 pm, Emile van Sebille <[EMAIL PROTECTED]> wrote: > Prasad, Mrunalini wrote: > >         dest + j - 1 = source + i > > Well, what are you trying to do here? > >  >>> a,b,c = range(3) >  >>>a+b-1=c+1 > SyntaxError:can't assign to operator > > Emile Just a comment, but I thought the pr

Re: Class definition attribute order

On Fri, Aug 1, 2008 at 7:23 PM, Andrew Lentvorski <[EMAIL PROTECTED]> wrote: > How do I determine the order of definition of class attributes? > > For example, if I have a class > > class Test(object): >y = 11 >x = 22 > > How do I tell that y was defined before x? You can't. The order tha

Inexplicable timings

I'm looking at the implementation of regular expressions in Python and wrote a script to test my changes. This is the script: import re import time base = "abc" final = "d" for n in [100, 1000, 1]: for f in [final, ""]: for r in ["+", "+?"]: pattern = "(?:%s)%s%s" %

Class definition attribute order

How do I determine the order of definition of class attributes? For example, if I have a class class Test(object): y = 11 x = 22 How do I tell that y was defined before x? Thanks, -a -- http://mail.python.org/mailman/listinfo/python-list

base-96

I think that would be very interesting thay Python would have a module for working on base 96 too. [1] It could be converted to base 96 the digests from hashlib module, and random bytes used on crypto (to create the salt, the IV, or a key). As you can see here [2], the printable ASCII characters

Re: Shared script

On Fri, 2008-08-01 at 14:41 -0700, Zach Hobesh wrote: > I wrote a script that several different people on different machines > need to run on a regular basis. When I first wrote it, it was in > crisis mode, I got something out that was quick and dirty, very bare > bones. Recently I had some more

Re: simple error i hope

On Fri, 2008-08-01 at 13:25 -0700, Emile van Sebille wrote: > suhail shaik wrote: > > > print fileName > > file = fileName.split(".") > .. this is a list > > you're shadowing a builtin -- generally a bad practice > > > print file > > textfile = file[0]+".txt" > > pr

Re: Newbie having issues with threads

On Thu, 31 Jul 2008 14:09:12 -0700, James Calivar wrote: > I'm a newbie trying to write a script that uses threads. I'm right now > a little bit stuck in understanding why the code snippet I wrote doesn't > seem to be entering the function defined in the start_new_thread() call. > > If I run it

Re: when does the GIL really block?

On Jul 31, 7:27 pm, Craig Allen <[EMAIL PROTECTED]> wrote: > I have followed the GIL debate in python for some time.  I don't want > to get into the regular debate about if it should be gotten rid of > (though I am curious about the status of that for Python 3)... > personally I think I can do mult

Re: PIL (etc etc etc) on OS X

David C. Ullrich wrote: Decided to try to install PIL on my Mac (OS X.5). I know nothing about installing programs on Linux, nothing about building C programs, nothing about installing libraries, nothing about "fink", nothing about anything. Please insert question marks after every sentence:

Re: very large dictionary

On Fri, 01 Aug 2008 14:47:17 +0100, Sion Arrowsmith wrote: > Simon Strobl <[EMAIL PROTECTED]> wrote: >>I tried to load a 6.8G large dictionary on a server that has 128G of >>memory. I got a memory error. I used Python 2.5.2. How can I load my >>data? > Let's just eliminate one thing here: this s

Re: very large dictionary

On Fri, 01 Aug 2008 14:47:17 +0100, Sion Arrowsmith wrote: > Simon Strobl <[EMAIL PROTECTED]> wrote: >>I tried to load a 6.8G large dictionary on a server that has 128G of >>memory. I got a memory error. I used Python 2.5.2. How can I load my >>data? > > Let's just eliminate one thing here: this

Re: Hobbyist - Python vs. other languages

On 31 jul, 15:32, fprintf <[EMAIL PROTECTED]> wrote: > I have been playing with computers since I first learned to program > moving shapes on an Atari 800XL in BASIC. After many years of dabbling > in programming languages as a hobbyist (I am not a computer scientist > or other IT professional), I

Shared script

I wrote a script that several different people on different machines need to run on a regular basis. When I first wrote it, it was in crisis mode, I got something out that was quick and dirty, very bare bones. Recently I had some more time, so I pushed most of the functions that the script uses i

Re: Boolean tests [was Re: Attack a sacred Python Cow]

On Aug 1, 4:45 pm, Carl Banks <[EMAIL PROTECTED]> wrote: > On Aug 1, 3:36 pm, Terry Reedy <[EMAIL PROTECTED]> wrote: > > In general, asking code to apply across numeric, container, and other > > classes is asking too much. Python code can be generic only within > > protocol/interface categories su

Re: Strong/weak typing

[EMAIL PROTECTED] wrote: I'm writing Python as if it were strongly typed, never recycling a name to hold a type other than the original type. Names are bound to objects with types. Is this good software engineering practice, If you expand 'type' to 'category', then yes. or am I missing

Re: PIL (etc etc etc) on OS X

David C. Ullrich wrote: Decided to try to install PIL on my Mac (OS X.5). OK, sounds good. I know nothing about installing programs on Linux, nothing about building C programs, nothing about installing libraries, nothing about "fink", nothing about anything. Please insert question marks after

Re: Boolean tests [was Re: Attack a sacred Python Cow]

On Aug 1, 4:45 pm, Carl Banks <[EMAIL PROTECTED]> wrote: > On Aug 1, 3:36 pm, Terry Reedy <[EMAIL PROTECTED]> wrote: > > > > > > Nevertheless, I think this is probably the best example of the > > > enhanced polymorphism of "if x" yet. I'm kind of surprised no one > > > came up with it.) > > > I th

Re: Sharing common memory space (In form of List) across the python processes.

Piyush Chechani wrote: Hi, I am working on a module where I need to share contents of a big List across the processes. I am using socket programming concept for this. My current processing for this is as follows: - 1. There is a server program S which loads the list in the memory,

Re: Boolean tests [was Re: Attack a sacred Python Cow]

On Aug 1, 3:36 pm, Terry Reedy <[EMAIL PROTECTED]> wrote: > > Nevertheless, I think this is probably the best example of the > > enhanced polymorphism of "if x" yet. I'm kind of surprised no one > > came up with it.) > > I think of Python code as 'generic' rather than 'polymorphic'. I am not > su

Re: Error:can't assign to operator

Prasad, Mrunalini wrote: dest + j - 1 = source + i Well, what are you trying to do here? >>> a,b,c = range(3) >>>a+b-1=c+1 SyntaxError:can't assign to operator Emile -- http://mail.python.org/mailman/listinfo/python-list

Re: Difference between type and class

Thomas Troeger wrote: Steven D'Aprano wrote: class A: def bar(self): print "A" Alas, you've chosen the worst-possible example to "clarify" matters, because old-style classic classes are *not* unified with types, and will disappear in the future: Of course I wanted to write `

Re: interpreter vs. compiled

castironpi wrote: Similarly, I take it that the decision to make CPython a stack machine + VM was a design decision, not a necessity, favoring internal simplicity over the extra 5%. Years ago, someone once started a project to write a register-based virtual machine for (C)Python. I suspect it

Re: simple error i hope

suhail shaik wrote: print fileName file = fileName.split(".") .. this is a list you're shadowing a builtin -- generally a bad practice print file textfile = file[0]+".txt" print textfile os.chdir(PNAME) file(textfile,'wt') .. and this is why

Re: Boolean tests [was Re: Attack a sacred Python Cow]

Carl Banks wrote: On Aug 1, 8:49 am, Matthew Fitzgibbons <[EMAIL PROTECTED]> wrote: Carl Banks wrote: On Jul 31, 11:44 pm, Carl Banks <[EMAIL PROTECTED]> wrote: [snip excellent explanation of why it's hard to for "if x" to be extensively polymorphic] By the way, one thing I forgot to mention is

simple error i hope

hi , i am new to python..may be this may turn into a simple error but i am in urgency please kindly help me #!/usr/bin/python #Globals here ROOTDIR = "/vol/mmis/media/video/tvid2008/mediaVideos/test" # Root dir where video files are located PNAME = "/data/test_1/" #DAILY_UPLOAD_PATH = "/mmis-ss9

Re: Boolean tests [was Re: Attack a sacred Python Cow]

Nevertheless, I think this is probably the best example of the enhanced polymorphism of "if x" yet. I'm kind of surprised no one came up with it.) I think of Python code as 'generic' rather than 'polymorphic'. I am not sure if that is a real difference or not, since I am a bit fuzzy on the m

Re: Hobbyist - Python vs. other languages

On Jul 31, 1:32 pm, fprintf <[EMAIL PROTECTED]> wrote: > I have been playing with computers since I first learned to program > moving shapes on an Atari 800XL in BASIC. After many years of dabbling > in programming languages as a hobbyist (I am not a computer scientist > or other IT professional),

Re: Boolean tests

Anders J. Munch wrote: Ethan Furman wrote: > Even if we find out that C.__nonzero__ is called, what was it that > __nonzero__ did again? reinforce the impression that he is unaware of the double-underscore functions and what they do and how they work. Only if your newsreader malfunctio

Re: Pointers/References in Python?

Gary Herron wrote: > No need. A Python list contains *references* to objects, not copies of > objects. (The same is true of variables, dictionaries, sets, and so > on...). Good to know. I just wanted to make sure before writing more code which in the end might not scale well. Thanks to all f

Re: overriding file.readline: "an integer is required"

In <[EMAIL PROTECTED]> Miles <[EMAIL PROTECTED]> writes: >On Wed, Jul 30, 2008 at 5:52 PM, kj <[EMAIL PROTECTED]> wrote: >> I know that I could rewrite the method like this: >> >>def readline(self, size=None): >>if size == None: >>line = self.file.readline() >>else:

popen hangs sporadically

I have a script that calls the function write_tmpfile, which looks something like this: def write_tmpfile(f, tmpfile): # set-up code omitted in_f = popen("""grep -v '^\\[eof\\]$' %s |\ grep '[^[:space:]]' |\ sort -u""" % f) out_f = open(tmpf

Re: Hobbyist - Python vs. other languages

>> Since I don't have a specific problem to solve, besides >> Pythonchallenge (which I found very cryptic), and Project Euler (which >> I found beyond my mathematics skills), is there a place to go for >> increasingly difficult problems to solve? I have followed a number of >> the recommended onli

Re: DB-API corner case (psycopg2)

On 2008-08-01 20:38, Thomas Guettler wrote: I forgot to mention where I stumbled about this. Django has a wrapper: http://code.djangoproject.com/browser/django/trunk/django/db/backends/util.py def execute(self, sql, params=()): start = time() try:

Apology

Many of you probably consider me a real jerk. Well, I guess I have been one here. Believe it or not, I'm actually a pretty nice guy in real life. Something about the detachment and (partial) anonymity of being online makes me write things I would never say in person. For that I apologize. I had tw

Re: mapping a string to an instancemethod

On Aug 1, 11:22 am, [EMAIL PROTECTED] wrote: > The following bit of code will allow an instance member to > be called by reference. How can I map a string (e.g. > "hello1" or "Foo.hello1" to a the instance member? > > class Foo: > def hello1(self, p): > print 'hello1', p > def hell

Re: mapping a string to an instancemethod

In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED] wrote: > The following bit of code will allow an instance member to > be called by reference. How can I map a string (e.g. > "hello1" or "Foo.hello1" to a the instance member? > > class Foo: > def hello1(self, p): > print 'hello1', p

PIL (etc etc etc) on OS X

Decided to try to install PIL on my Mac (OS X.5). I know nothing about installing programs on Linux, nothing about building C programs, nothing about installing libraries, nothing about "fink", nothing about anything. Please insert question marks after every sentence: I saw a "BUILDME" with instr

Re: DB-API corner case (psycopg2)

I forgot to mention where I stumbled about this. Django has a wrapper: http://code.djangoproject.com/browser/django/trunk/django/db/backends/util.py def execute(self, sql, params=()): start = time() try: return self.cursor.execute(sq

Re: Strong/weak typing

On Aug 1, 8:31 am, [EMAIL PROTECTED] wrote: > I'm writing Python as if it were strongly typed, never recycling a > name to hold a type other than the original type. > > Is this good software engineering practice, or am I missing something > Pythonic? Reusing names for no reason can make debugging

Re: Strong/weak typing

On Aug 1, 11:31 am, [EMAIL PROTECTED] wrote: > I'm writing Python as if it were strongly typed, never recycling a > name to hold a type other than the original type. > > Is this good software engineering practice, or am I missing something > Pythonic? I don't think you should go about gratuitously

mapping a string to an instancemethod

The following bit of code will allow an instance member to be called by reference. How can I map a string (e.g. "hello1" or "Foo.hello1" to a the instance member? class Foo: def hello1(self, p): print 'hello1', p def hello2(self, p): print 'hello2', p def dispatch(self

Re: Boolean tests [was Re: Attack a sacred Python Cow]

On Aug 1, 8:49 am, Matthew Fitzgibbons <[EMAIL PROTECTED]> wrote: > Carl Banks wrote: > > On Jul 31, 11:44 pm, Carl Banks <[EMAIL PROTECTED]> wrote: > > [snip excellent explanation of why it's hard to for "if x" to be > > extensively polymorphic] > > > By the way, one thing I forgot to mention is M

Re: DB-API corner case (psycopg2)

On 1 Aug, 16:39, "Diez B. Roggisch" <[EMAIL PROTECTED]> wrote: > Diez B. Roggisch schrieb: > > Thomas Guettler schrieb: > >> cursor.execute('''SELECT '%' ''', ()) # Does fail > > >> Traceback (most recent call last): > >> File "/localhome/modw/tmp/t.py", line 5, in > >> cursor.execute('''SEL

Pydev 1.3.19 Released

Hi All, Pydev and Pydev Extensions 1.3.19 have been released Details on Pydev Extensions: http://www.fabioz.com/pydev Details on Pydev: http://pydev.sf.net Details on its development: http://pydev.blogspot.com Release Highlights in Pydev Extensions: --

Re: Difference between type and class

Thomas Troeger <[EMAIL PROTECTED]> wrote: > Will this disappear in Python 3.0., i.e. can you again simply write > > class A: > > and inherit from object automagically? Short answer: yes. -M- -- http://mail.python.org/mailman/listinfo/python-list

Re: Strong/weak typing

[EMAIL PROTECTED] schrieb: I'm writing Python as if it were strongly typed, never recycling a name to hold a type other than the original type. If it buys you anything? Maybe for shedskin or some future "to-native-code" compiler? Is this good software engineering practice, or am I missing som

Re: Strong/weak typing

Le Friday 01 August 2008 17:31:25 [EMAIL PROTECTED], vous avez écrit : > I'm writing Python as if it were strongly typed, never recycling a > name to hold a type other than the original type. > > Is this good software engineering practice, or am I missing something > Pythonic? As already stated by

Re: Strong/weak typing

[EMAIL PROTECTED] was kind enough to say: > I'm writing Python as if it were strongly typed, never recycling a > name to hold a type other than the original type. > > Is this good software engineering practice, or am I missing something > Pythonic? Python *is* strongly typed. You're talking abo

Re: Python Written in C?

2008/8/1 Tim Rowe <[EMAIL PROTECTED]> > 2008/7/21 Krishnakant Mane <[EMAIL PROTECTED]>: > > > First off all c# is absolute rubbish waist of time. > > What a pity others are joining in this pointless language flame-war. > > Look, I recently had to write a script for manipulating some data; I > stru

Re: Strong/weak typing

On Aug 1, 5:31 pm, [EMAIL PROTECTED] wrote: > I'm writing Python as if it were strongly typed, never recycling a > name to hold a type other than the original type. > > Is this good software engineering practice, or am I missing something > Pythonic? I'm not sure you've got the terminology 100% ri

Strong/weak typing

I'm writing Python as if it were strongly typed, never recycling a name to hold a type other than the original type. Is this good software engineering practice, or am I missing something Pythonic? -- http://mail.python.org/mailman/listinfo/python-list

Re: DB-API corner case (psycopg2)

On 2008-08-01 15:44, Thomas Guettler wrote: Hi, I discovered this: import psycopg2 connection=psycopg2.connect("dbname='...' user='...'") cursor=connection.cursor() cursor.execute('''SELECT '%' ''') # Does not fail cursor.execute('''SELECT '%' ''', ()) # Does fail Traceback (most recent call l

Re: DB-API corner case (psycopg2)

Diez B. Roggisch schrieb: Thomas Guettler schrieb: Hi, I discovered this: import psycopg2 connection=psycopg2.connect("dbname='...' user='...'") cursor=connection.cursor() cursor.execute('''SELECT '%' ''') # Does not fail cursor.execute('''SELECT '%' ''', ()) # Does fail Traceback (most recen

Re: DB-API corner case (psycopg2)

Thomas Guettler schrieb: Hi, I discovered this: import psycopg2 connection=psycopg2.connect("dbname='...' user='...'") cursor=connection.cursor() cursor.execute('''SELECT '%' ''') # Does not fail cursor.execute('''SELECT '%' ''', ()) # Does fail Traceback (most recent call last): File "/loca

Re: like py2exe, but on a mac

William McBrine wrote: On Tue, 29 Jul 2008 12:24:49 -0700, Russell E. Owen wrote: That is exactly what py2app does by default if you run py2app with the system python. Thanks. I see that it* avoids the issue with Tk starting in the background that I get with Platypus, too. In fact, it look

Re: very large dictionary

Simon Strobl <[EMAIL PROTECTED]> wrote: >I tried to load a 6.8G large dictionary on a server that has 128G of >memory. I got a memory error. I used Python 2.5.2. How can I load my >data? Let's just eliminate one thing here: this server is running a 64-bit OS, isn't it? Because if it's a 32-bit OS

Simple Gui

Hi folks, If anyone is interested, I could really use a simple gui such as easygui to do the following tasks: 1) Pick a file from a directory. 2) Allow the user to prioritize the file. 3) Add more files and prioritize. 3) Begin processing the most important file. 4) Interrupt button to stop

Re: Boolean tests

Ethan Furman wrote: > Even if we find out that C.__nonzero__ is called, what was it that > __nonzero__ did again? reinforce the impression that he is unaware of the double-underscore functions and what they do and how they work. Only if your newsreader malfunctioned and refused to let you

DB-API corner case (psycopg2)

Hi, I discovered this: import psycopg2 connection=psycopg2.connect("dbname='...' user='...'") cursor=connection.cursor() cursor.execute('''SELECT '%' ''') # Does not fail cursor.execute('''SELECT '%' ''', ()) # Does fail Traceback (most recent call last): File "/localhome/modw/tmp/t.py", line

Re: Boolean tests [was Re: Attack a sacred Python Cow]

On 2008-08-01, Matthew Fitzgibbons <[EMAIL PROTECTED]> wrote: > Antoon Pardon wrote: >> On 2008-08-01, Erik Max Francis <[EMAIL PROTECTED]> wrote: >>> Antoon Pardon wrote: >>> I now have the following question for people who argue that "if x" is more polymorphic. I could subclass list, so

Re: Python Written in C?

2008/7/21 Krishnakant Mane <[EMAIL PROTECTED]>: > First off all c# is absolute rubbish waist of time. What a pity others are joining in this pointless language flame-war. Look, I recently had to write a script for manipulating some data; I struggled to organise it in Python and in C++, but when

Re: Boolean tests [was Re: Attack a sacred Python Cow]

Matthew Fitzgibbons wrote: 'if x' strikes me as better for this case because you might want to accept a non-empty list (or some other objects) but reject non-empty lists. 'if x is None' would not work. It still may be susceptible to the empty iterator problem, depending on what prep_func does.

Re: Newbie having issues with threads

Well, that seemed to do the trick. Thanks for the tip! I guess as a novice and having no investment in the older "thread" module, I'll just use the Threading module from now on. James = PS Here is my new code snippet: = #!/usr/bin/python import threading class Test(object): def _

Re: Boolean tests [was Re: Attack a sacred Python Cow]

Carl Banks wrote: On Jul 31, 11:44 pm, Carl Banks <[EMAIL PROTECTED]> wrote: [snip excellent explanation of why it's hard to for "if x" to be extensively polymorphic] By the way, one thing I forgot to mention is Matt Fitzgibbons' filter example. As I said, it's hard to write code that works fo

Re: Boolean tests [was Re: Attack a sacred Python Cow]

Antoon Pardon wrote: On 2008-08-01, Erik Max Francis <[EMAIL PROTECTED]> wrote: Antoon Pardon wrote: I now have the following question for people who argue that "if x" is more polymorphic. I could subclass list, so that instances of this new sequence would always behave as true, even if they a

Re: py2exe bug with email.MIMEText

Hi Marcus, Marcus.CM wrote: There is a bug with py2exe when (at least under windows) when importing email # example testmime.py import email msg = email.MIMEText.MIMEText("dsafdafdasfA") print "ok" 1. Save the text above and setup as testmime.py 2. Run it and u can see "ok" 3. Create setup.py

Re: Difference between type and class

Steven D'Aprano wrote: class A: def bar(self): print "A" Alas, you've chosen the worst-possible example to "clarify" matters, because old-style classic classes are *not* unified with types, and will disappear in the future: Of course I wanted to write `class A(objec

Re: Genital Hair Removal

On Thu, 2008-07-31 at 20:46 -0700, Paul McGuire wrote: > Be careful though, you should not modify a sequence while iterating > over it. > > -- Paul But if I can't remove each hair from the sequence as it's actually removed then how will I ever know when I'm finished? --Tim -- **

Re: find and replace with regular expressions

On Aug 1, 12:53 pm, dusans <[EMAIL PROTECTED]> wrote: > On Jul 31, 10:07 pm, [EMAIL PROTECTED] wrote: > > > > > > > I am using regular expressions to search a string (always full > > sentences, maybe more than one sentence) for common abbreviations and > > remove the periods.  I need to break the s

Re: find and replace with regular expressions

On Jul 31, 10:07 pm, [EMAIL PROTECTED] wrote: > I am using regular expressions to search a string (always full > sentences, maybe more than one sentence) for common abbreviations and > remove the periods.  I need to break the string into different > sentences but split('.') doesn't solve the whole

Re: very large dictionary

Simon Strobl: > I had a file bigrams.py with a content like below: > bigrams = { > ", djy" : 75 , > ", djz" : 57 , > ", djzoom" : 165 , > ", dk" : 28893 , > ", dk.au" : 854 , > ", dk.b." : 3668 , > ... > } > In another file I said: > from bigrams import bigrams Probably there's a limit in the modu

Re: interpreter vs. compiled

On 1 Aug, 07:11, castironpi <[EMAIL PROTECTED]> wrote: > > Given the restrictions (or rather, freedoms) of Python, does there > exist code that necessarily cannot translate to machine code?  In > other words, can you translate all Python code to machine code? Given that all valid Python code can b

Error:can't assign to operator

Hello: I am getting the above error while tryign to run the tower of hanoi program. The error is at line 42 highligted in red below. PLease advise #!/usr/bin/env python class Hanoi: def __init__(self, N): self.N = N try: raise ValueError(N) except ValueError, e:

Re: Boolean tests [was Re: Attack a sacred Python Cow]

On 2008-08-01, Erik Max Francis <[EMAIL PROTECTED]> wrote: > Antoon Pardon wrote: > >> I now have the following question for people who argue that "if x" >> is more polymorphic. I could subclass list, so that instances >> of this new sequence would always behave as true, even if they are >> empty.

Re: Decoding an attachment

[EMAIL PROTECTED] wrote: > I figured out how to save an e-mail message as a text file, but I'm > not sure how to decode the encoded part as I am not sure how much I > need to include to decode it properly. Here is what a message looks > like: > > > Received: from INGESTOR2SQA ([10.220.83.198]) by

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