[issue31212] datetime: min date (0001-01-01 00:00:00) can't be converted to local timestamp

Dave Johansen added the comment: Ok, so I understand the issue now. `timestamp()` for naive datetime instances applies the local timezone offset ( https://docs.python.org/3.6/library/datetime.html#datetime.datetime.timestamp ). This is surprising because naive datetime instances usually

[issue31212] datetime: min date (0001-01-01 00:00:00) can't be converted to local timestamp

Dave Johansen added the comment: The use case was parsing user input of ISO 8601 date strings and converting them to UNIX epochs. The input "0001-01-01T00:00:00" is valid, parses to a valid `datetime` and it seems like a reasonable expectation that all of the functions should work

[issue31212] datetime: min date (0001-01-01 00:00:00) can't be converted to local timestamp

Dave Johansen added the comment: That's a valid `datetime` (i.e. within the min and max values) and `tzinfo` is `None` so I think it's completely reasonable to assume that `timestamp()` will return the correct value. -- ___ Python tracker <

[issue31212] min date can't be converted to timestamp

New submission from Dave Johansen: This worked in Python 3.6.0 and before: ``` from datetime import datetime d = datetime(1, 1, 1, 0, 0, 0) d.timestamp() ``` The error output is: ``` ValueError: year 0 is out of range ``` But it used to return `-62135658000.0`. Appears to be related to https

Re: Appending data to a json file

On 04/04/2017 01:50 PM, Rob Gaddi wrote: On 04/04/2017 10:23 AM, Dave wrote: I don't care for the idea of replacing the data file for every save. My preference would to append to the existing data file - makes more sense. However, that is not how json works. So, I'm considering other

Re: Appending data to a json file

On 04/04/2017 10:17 AM, Michael Torrie wrote: On 04/03/2017 11:31 PM, dieter wrote: Dave <dbola...@fastmail.fm> writes: I created a python program that gets data from a user, stores the data as a dictionary in a list of dictionaries. When the program quits, it saves the data file. My

Appending data to a json file

to do that. The advice I have seen on the web is to load the data when the program starts, append the new user input to the list, then re-write the data file. Is that the best way, or is there a better way? Thanks, Dave -- https://mail.python.org/mailman/listinfo/python-list

[issue29574] python-3.6.0.tgz permissions borked

Dave Anderson added the comment: Sorry, should have shown sudo ls -l output for 3.6: [vagrant@developer tmp]$ sudo ls -l Python-3.6.0 total 1016 -rw-r--r-- 1 caturra games 10910 Dec 22 18:21 aclocal.m4 -rwxr-xr-x 1 caturra games 42856 Dec 22 18:21 config.guess -rwxr-xr-x 1 caturra games

[issue29574] python-3.6.0.tgz permissions borked

New submission from Dave Anderson: Downloaded https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz Extracted on CentOS6 with sudo tar -xf Python-3.6.0.tgz Result: [vagrant@developer tmp]$ ls -l Python-3.6.0 ls: cannot access Python-3.6.0/Tools: Permission denied ls: cannot access Python

[issue29443] Re-running Windows installer should have option to set PATH

Dave Brondsema added the comment: Yes, exactly. -- ___ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29443> ___ ___ Python-bugs-list

[issue29443] Re-running Windows installer should have option to set PATH

Dave Brondsema added the comment: A colleague has pointed out to me that this is available in the 2nd step within "Modify". I didn't realize there were more options after the first "Modify" screen. So perhaps the UI could be improved, b

[issue29443] Re-running Windows installer should have option to set PATH

New submission from Dave Brondsema: If you miss the checkbox to set the "PATH" when installing Python for the first time, there isn't any easy way to set it again. (And for new programmers, having it set automatically is extremely useful). Uninstalling and re-installing does w

[issue29270] super call in ctypes sub-class fails in 3.6

Dave Jones added the comment: I confess I'm going to have to read a bit more about Python internals before I can understand Eryk's analysis (this is my first encounter with "cell objects"), but many thanks for the rapid analysis and patch! I'm not too concerned about the state be

[issue29270] super call in ctypes sub-class fails in 3.6

New submission from Dave Jones: While investigating a bug report in one of my libraries (https://github.com/waveform80/picamera/issues/355) I've come across a behaviour that appears in Python 3.6 but not prior versions. Specifically, calling super() in a sub-class of a ctypes scalar type

[issue29261] Missing venv/scripts/common after "make install"

New submission from Dave Jones: While attempting to diagnose something (unrelated to this issue) under python 3.6, I used the following steps to clone and build a non-root python installation: $ mkdir py36 $ hg clone https://hg.python.org/cpython $ cd cpython $ hg update 3.6

[issue22595] F5 shortcut key not working in IDLE for OSX

Dave T added the comment: Its on a windows 10 It doesn't come with the run application but the debug -- nosy: +Dave T versions: +Python 2.7 -Python 3.5 Added file: http://bugs.python.org/file45298/Py 2.7.JPG ___ Python tracker <

where is it

I am trying to associate the .py file extension with idle...where IS idle? Can you make it a bit more difficult to load/use your software please. -- https://mail.python.org/mailman/listinfo/python-list

[issue27188] sqlite3 execute* methods return value not documented

Dave Sawyer added the comment: No problem. I did a pull and reposted with additional fixes suggested by Berker and one copy/paste error I spotted. On Sat, Jun 4, 2016 at 11:34 PM, SilentGhost <rep...@bugs.python.org> wrote: > > SilentGhost added the comment: > > Thanks f

[issue27188] sqlite3 execute* methods return value not documented

Dave Sawyer added the comment: Updated optional parameters. Fixed executescript which takes a single parameter. The English is correct - one needs to looks at the verbs to be sure they match in tense and number. Like "He OPENS the fridge, GRABS the milk, and DRINKS it." This meth

[issue27113] sqlite3 connect parameter "check_same_thread" not documented

Dave Sawyer added the comment: hurray! My first commit -- ___ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue27113> ___ ___ Python-bugs-

[issue27190] Check sqlite3_version before allowing check_same_thread = False

Dave Sawyer added the comment: This can go into bugfix branches. In fact, it's most likely to be helpful there because they are more likely to be running with a version of sqlite 10 years old. I use the sqlite3_libversion_number() call because I'm testing against the version of sqlite

[issue27190] Check sqlite3_version before allowing check_same_thread = False

New submission from Dave Sawyer: Starting in sqlite version 3.3.1 (Jan 2006) multiple threads can share the same connection. Python allows you do use this with the check_same_thread parameter of sqlite3.connect() method. It's almost certain users have a late enough version of sqlite

[issue27113] sqlite3 connect parameter "check_same_thread" not documented

Dave Sawyer added the comment: Hi Thomas and Senthil, for the serialized setting I mentioned earlier "The serialized mode is default on both Mac and Windows so we can probably skip validating that. I did like mentioning the user needs to serialize the writes. They could use one t

[issue27188] sqlite3 execute* methods return value not documented

New submission from Dave Sawyer: The three execute methods of the connection object return the created cursor. The term "intermediate" implies the cursor is totally handled by the execute method, not that the user will get ownership of the object. When the user doesn't

[issue27113] sqlite3 connect parameter "check_same_thread" not documented

Dave Sawyer added the comment: Changed doc to note that not only must it be used on 1 thread if true, but that thread must be the thread that created it. -- ___ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/i

[issue27113] sqlite3 connect parameter "check_same_thread" not documented

Dave Sawyer added the comment: The user probably has a recent enough version. This is guaranteed on Windows since Python bundles 3.6 or later. On mac or Linux it will use the version installed on the machine. I'll make a separate patch to check the version in sqlite3.py so it will give

[issue27113] sqlite3 connect parameter "check_same_thread" not documented

Dave Sawyer added the comment: The revised patch says "connections" plural for true and "connection" singular for false. How about "the connection" since the method returns a connection. I'm wondering though about the lack of explanation or WHY for this parame

[issue27113] sqlite3 connect parameter "check_same_thread" not documented

Changes by Dave Sawyer <kingsaw...@gmail.com>: -- title: sqlite3 open parameter "check_same_thread" not documented -> sqlite3 connect parameter "check_same_thread" not documented ___ Python tracker <rep...@bugs.pyt

[issue27113] sqlite3 open parameter "check_same_thread" not documented

New submission from Dave Sawyer: The sqlite3.connect method has 6 parameters. 5 of them are documented. See below and search for "check_same_thread". Patch adds documentation for this parameter. sqlite3.connect(database[, timeout, detect_types, isolation_level, check_same_threa

Re: exit from Tkinter mainloop Python 2.7

kevind0...@gmail.com wrote: >from Tkinter import * > >def butContinue(): >root1.destroy() As Christian said, you're destroying the root window and its children, so instead use root1.quit() here. > ... > >root1.mainloop() > >print entryName.get("1.0", "end-1c" ) >print entryPWord.get("1.0",

[issue26423] __len__() returns 32 bit int on windows leading to overflows

New submission from Dave Hibbitts: __len__() always returns an int which on windows machines is tied to the size of a c long and is always 32 bits even if it's compiled for 64 bit. len() however returns an int for values less than sys.maxint and a long above that. Returning an int in __len__

Re: [newbie] Problem with matplotlib

Dave Farrance <df@see.replyto.invalid> wrote: >It occurs to me now that the trackback might misidentify the module in >use, if say, you'd named a file "numbers.py" then got rid of it later >leaving a "numbers.pyc" somewhere. If so, see where it is: > >

Re: [newbie] Problem with matplotlib

It occurs to me now that the trackback might misidentify the module in use, if say, you'd named a file "numbers.py" then got rid of it later leaving a "numbers.pyc" somewhere. If so, see where it is: import numbers print numbers.__file__ -- https://mail.python.org/mailman/listinfo/python-list

Re: [newbie] Problem with matplotlib

jenswaelk...@gmail.com wrote: > File "/usr/lib/python2.7/decimal.py", line 3744, in >_numbers.Number.register(Decimal) >AttributeError: 'module' object has no attribute 'Number' Your decimal module seems broken. Confirm that in the Python shell: import numbers print numbers.Number I'm

Re: Tkinter problem: TclError> couldn't connect to display ":0

gemjack...@gmail.com wrote: >This fixed my problem with thkinter. sudo cp ~/.Xauthority ~root/ Which means that you were creating a GUI window with Python as root, which is to be avoided if you can. If you can't avoid it and you're running it with sudo in a bash console, rather than a root

Please Unsubscribe

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Install Numba on Debian

I'd like to install Numba on Debian Jessie to work with the system Python 2.7.9 (rather than installing Anaconda). When I follow the instructions at https://github.com/numba/numba#custom-python-environments ...I get errors when trying to install Numba either with the git clone method or

Re: Install Numba on Debian

Dave Farrance <df@see.replyto.invalid> wrote: >I'd like to install Numba on Debian Jessie to work with the system >Python 2.7.9 (rather than installing Anaconda). OK, never mind. Fixed. By Googling the first error code, finding a suggested fix for that, running again, Googling t

Re: Turtle

Stallone Carl wrote: >I am currently using python 3.5.0 and I have been trying to write a program >using turtle but is not seem to be working. I have followed all tutarial on >the web and when i compare it with my code my am duing everything the same >way but it still

Re: help

sam Rogers wrote: >  I have downloaded python 2.7  with no problem. It works. I am trying to get >pyserial to work. I have tried many different solutions. I am not  sure if it >works or not. How can I be sure? I am using windows 7.  I did not see any help >at python.org.

Re: Unicode failure (Solved)

"D'Arcy J.M. Cain" wrote: >On Fri, 4 Dec 2015 18:28:22 -0500 >Terry Reedy wrote: >> Tk widgets, and hence IDLE windows, will print any character from >> \u to \u without raising, even if the result is blank or ?. >> Higher codepoints fail, but

Re: Unicode failure

I was taking it for granted that you knew how to set environment variables, but just in case you don't: In the shell, (are you using BASH?), put this: export PYTHONIOENCODING=UTF-8 ...then run your script. Remember that this is *not* a permanent fix. --

Re: Unicode failure

"D'Arcy J.M. Cain" wrote: >... >utf-8 >Traceback (most recent call last): > File "./g", line 5, in >print(u"\N{TRADE MARK SIGN}") >UnicodeEncodeError: 'ascii' codec can't encode character '\u2122' in >position 0: ordinal not in range(128) I *presume* that you're

Re: What is a function parameter =[] for?

Alan Bawden wrote: >Chris Angelico writes: > ... >> Python 2.7.8 (2.4.0+dfsg-3, Dec 20 2014, 13:30:46) >> [PyPy 2.4.0 with GCC 4.9.2] on linux2 >> Type "help", "copyright", "credits" or "license" for more information. >> tuple([]) is tuple([]) >> False

Re: Help needed with compiling python

Cecil Westerhof wrote: >On Wednesday 25 Nov 2015 23:58 CET, Laura Creighton wrote: >> >> Your Suse system probably wants to use python for something. If your >> system python is damaged, you badly need to fix that, using the >> system package managers tools, before Suse does

Re: What is a function parameter =[] for?

Marko Rauhamaa <ma...@pacujo.net> wrote: >Dave Farrance <df@see.replyto.invalid>: > >> (Conversely, I see that unlike CPython, all PyPy's numbers have >> unchanging ids, even after exiting PyPy and restarting, so it seems >> that PyPy's numerical ids are &quo

Re: Object identity has no necessary connection to memory location (was: What is a function parameter =[] for?)

Ben Finney <ben+pyt...@benfinney.id.au> wrote: >Dave Farrance <df@see.replyto.invalid> writes: > >> Marko Rauhamaa <ma...@pacujo.net> wrote: >> >> >Dave Farrance <df@see.replyto.invalid>: >> > >> >> (Conversely, I see that

Re: Is there any reason to introduce this intermediate variable (sz)?

fl wrote: >Hi, >I find the following code snippet, which is useful in my project: > ... >correctly. Could you see something useful with variable 'sz'? So that's example code in "An Introduction to the Kalman Filter" by Greg Welch and Gary Bishop, and no, that construct was

Re: Problems using struct pack/unpack in files, and reading them.

Steven D'Aprano wrote: >On Mon, 16 Nov 2015 05:15 pm, Gregory Ewing wrote: > >> Ints are not the only thing that // can be applied to: >> >> >>> 1.0//0.01 >> 99.0 > >Good catch! Hmmm. I see that the float for 0.01 _is_ slightly larger than 0.01 >>> Decimal(0.01)

[issue25615] Document unsorted behaviour of glob.glob

Dave Jones added the comment: Ah, sorry about that - force of habit. I did wonder if it was preferable to have a nicely wrapped patch, or to have a clean diff but obviously figured wrong! I'll know for future :) -- ___ Python tracker <

Re: What is '@' for

fl wrote: >I read the following code snippet. A question is here about '@'. >I don't find the answer online yet. I recommend this: "Understanding Python Decorators in 12 Easy Steps!" http://simeonfranklin.com/blog/2012/jul/1/python-decorators-in-12-steps/ --

[issue21748] glob.glob does not sort its results

Dave Jones added the comment: As suggested, doc patch attached to new issue 25615. -- ___ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/i

Re: don't understand matrix-multiplication should be reversed in python?

PythonDude wrote: >On Thursday, 12 November 2015 22:57:21 UTC+1, Robert Kern wrote: >> He simply instantiated the two vectors as row-vectors instead of >> column-vectors, >> which he could have easily done, so he had to flip the matrix expression. > >Thank you very

[issue25615] Document unsorted behaviour of glob.glob

New submission from Dave Jones: As suggested in issue 21748, this is a minor documentation change to make explicitly clear that glob.glob returns unsorted results (on the basis that the existing specification references shell behaviour which is always sorted). -- assignee: docs@python

[issue21748] glob.glob does not sort its results

Dave Jones added the comment: >From the bash man-page: "... If one of these characters appears, then the word >is regarded as a pattern, and replaced with an *alphabetically sorted* list of >filenames matching the pattern". I would agree that glob.glob shouldn't sort its re

Re: Unbuffered stderr in Python 3

Random832 wrote: >The opposite of line buffering is not no buffering, but full >(i.e. block) buffering, that doesn't get flushed until it runs >out of space. TextIOWrapper has its own internal buffer, and its >design apparently doesn't contemplate the possibility of using

Re: python doesn't install

Tim Golden wrote: >I'm afraid you've been bitten by the fact that we no longer support >Windows XP and haven't communicated this very well. We have a new >version of the installer almost ready for release which indicates this >much earlier (and more obviously). I'm

Re: Pyserial and Ubuntu Linux kernel 3.13.0-65-generic

Rob Gaddi wrote: >So, this is odd. I'm running Ubuntu 14.04, and my system did a kernel >upgrade from the repository from 3.13.0-63-generic to 3.13.0-65-generic. >And pyserial (2.7, installed through pip) stopped working. When KDE's "Plasma 5" appeared

matplotlib timer

I'm trying to set up the basics of a timer-scheduled function in matplotlib and I can't figure out how to stop the timer. Maybe the stop() method is dysfunctional in Ubuntu 14.04 or maybe I'm getting the syntax wrong. If anybody's got matplotlib installed, can you try this code and tell me if it

Re: matplotlib timer

Laura Creighton <l...@openend.se> wrote: >In a message of Thu, 01 Oct 2015 18:45:06 +0100, Dave Farrance writes: >>Yet the documentation says that it's mandatory for the GUI backend base >>to implement stop() but that single_shot is optional. Ho hum. > >report as a b

Re: matplotlib timer

Laura Creighton <l...@openend.se> wrote: >In a message of Thu, 01 Oct 2015 17:36:50 +0100, Dave Farrance writes: >>I'm trying to set up the basics of a timer-scheduled function in >>matplotlib and I can't figure out how to stop the timer. Maybe the >>stop() method is dy

Re: matplotlib timer

Laura Creighton <l...@openend.se> wrote: >In a message of Thu, 01 Oct 2015 20:03:26 +0100, Dave Farrance writes: >>Laura Creighton <l...@openend.se> wrote: >> >>>In a message of Thu, 01 Oct 2015 18:45:06 +0100, Dave Farrance writes: >>>>Yet the do

Re: pygame basic question

"ast" wrote: >DISPLAYSURF = pygame.display.set_mode((400, 300)) >pygame.display.set_caption('Hello World!') > >The first line opens a 400x300 pygame window. >The second one writes "Hello World" on top of it. > >I am just wondering how function set_caption finds the windows

[issue24961] shell stdout broken after exiting interactive python prompt

Dave Hein added the comment: Thanks. I installed py34-readline and rebuilt my virtualenv; all is well now. I put in a MacPorts ticket when their bugtracker gets back online. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org

[issue24961] shell stdout broken after exiting interactive python prompt

New submission from Dave Hein: With 3.4.3 from an OS X terminal prompt, if I just enter the interactive Python REPL environment (by just entering the command python from the command line) and then exit (via exit() or Ctrl-D), then stdout appears to be broken ... I see no stdout output

Re: no module named kivy import error in ubuntu 14.04

shiva upreti katewinslet...@gmail.com wrote: Hi I am new to linux. I tried various things in attempt to install kivy. I installed python 2.7.10 Just to make clear what others have said -- replacing Ubuntu 14.04's system Python 2.7.6 is a bad idea and will break stuff, so if you really must have

Re: I'm a newbie and I'm still stumped...

Dwight GoldWinde dwi...@goldwinde.com wrote: Here are the results I got below, showing the same error. The first line says, 2.7.6 (default, Sep 9 2014, 15:04:36)”. Does that mean I am running the old Python? How could that be since I am SURE I downloaded 3.4.3 (it even gives the folder name as

Re: How to Calculate NPV?

ryguy7272 ryanshu...@gmail.com wrote: PERFECT!! SO SIMPLE!! I don't know why the author didn't do that in the book. The book is evidently giving you code snippets to enter into Python's own interactive interpreter, i.e., you enter python at the command line, then you manually type each command

Re: How to construct matrix from vectors?

Fabien fabien.mauss...@gmail.com wrote: another solution with less (([[]])), and less ;. There are way too many ; in Matlab ;) import numpy as np v1 = [1, 2, 3] v2 = [4, 5, 6] v3 = [7, 8, 9] v4 = [10, 11, 12] np.hstack([[v1, v2], [v3, v4]]).T Out[]: array([[ 1, 4], [ 2, 5], [

Re: Can Python function return multiple data?

Rustom Mody rustompm...@gmail.com wrote: On Saturday, June 6, 2015 at 10:20:49 AM UTC+5:30, Steven D'Aprano wrote: On Sat, 6 Jun 2015 01:20 pm, Rustom Mody wrote: As a parallel here is Dijkstra making fun of AI-ers use of the word 'intelligent'

Re: Zero [was Re: What is considered an advanced topic in Python?]

Steven D'Aprano st...@pearwood.info wrote: On Mon, 1 Jun 2015 07:36 pm, Marko Rauhamaa wrote: However, I constantly run into engineers who don't understand what zero means. Okay, I'll bite. What does zero mean, and how do engineers misunderstand it? There are two hard things in computer

Re: What is considered an advanced topic in Python?

Laura Creighton l...@openend.se wrote: If you are giving a talk about Decimal -- and trying to stamp out the inappropriate use of floats you have to first inform people that what they learned as 'decimals' as children was not floating point, despite the fact that we write them the same way. ...

Re: Zero [was Re: What is considered an advanced topic in Python?]

Skip Montanaro skip.montan...@gmail.com wrote: P.S., Dave, your omitthis and andthis kind of sucks for the rest of us. And I just invalidated your attempts at obscurity by replying to your correct email address. I suggest you just omit that stuff going forward. Unfortunately, I now I have a crap

Re: Minus operator versus unary minus

Peter Otten __pete...@web.de wrote: so both +0.0 and -0.0 would be skipped anyway. Maybe the coder was simply aiming for visibility. The unary minus can be hard to spot in some circumstances. e.g.: I've sneaked a unary minus into this maths proof, which makes it horrible (although correct): u

Re: Survey -- Move To Trash function in Python?

Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: I'd like to do a little survey, and get a quick show of hands. How many people have written GUI or text-based applications or scripts where a Move file to trash function would be useful? Would you like to see that in the standard

Re: Building CPython

On 05/14/2015 01:02 PM, BartC wrote: On 14/05/2015 17:09, Chris Angelico wrote: On Fri, May 15, 2015 at 1:51 AM, BartC b...@freeuk.com wrote: OK, the answer seems to be No then - you can't just trivially compile the C modules that comprise the sources with the nearest compiler to hand. So much

Re: Looking for direction

On 05/13/2015 07:24 PM, 20/20 Lab wrote: I'm a beginner to python. Reading here and there. Written a couple of short and simple programs to make life easier around the office. Welcome to Python, and to this mailing list. That being said, I'm not even sure what I need to ask for. I've never

Re: Looking for direction

On 05/13/2015 08:45 PM, 20/20 Lab wrote: You accidentally replied to me, rather than the mailing list. Please use reply-list, or if your mailer can't handle that, do a Reply-All, and remove the parts you don't want. On 05/13/2015 05:07 PM, Dave Angel wrote: On 05/13/2015 07:24 PM, 20/20

Re: Python file structure

On 05/12/2015 03:58 PM, zljubisic...@gmail.com wrote: On Tuesday, May 12, 2015 at 9:49:20 PM UTC+2, Ned Batchelder wrote: If you need to use globals, assign them inside a parse_arguments function that has a global statement in it. This advice is consistent with Chris' define things before

Re: Feature Request: Reposition Execution

On 05/11/2015 07:46 AM, Skybuck Flying wrote: Hello, Sometimes it can be handy to interrupt/reset/reposition a running script. For example something externally goes badly wrong. os.kill() then in your process, handle the exception, and do whatever you think is worthwhile. -- DaveA --

Re: Feature Request: Reposition Execution

On 05/11/2015 08:35 AM, Steven D'Aprano wrote: On Mon, 11 May 2015 09:57 pm, Dave Angel wrote: On 05/11/2015 07:46 AM, Skybuck Flying wrote: Hello, Sometimes it can be handy to interrupt/reset/reposition a running script. For example something externally goes badly wrong. os.kill

Re: SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

On 05/10/2015 05:10 PM, zljubisic...@gmail.com wrote: No, we can't see what ROOTDIR is, since you read it from the config file. And you don't show us the results of those prints. You don't even show us the full exception, or even the line it fails on. Sorry I forgot. This is the output of

Re: functions, optional parameters

On 05/09/2015 11:33 PM, Chris Angelico wrote: On Sun, May 10, 2015 at 12:45 PM, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: This is the point where some people try to suggest some sort of complicated, fragile, DWIM heuristic where the compiler tries to guess whether the user

Re: getting fieldnames from Dictreader before reading lines

On 05/09/2015 09:51 PM, Vincent Davis wrote: On Sat, May 9, 2015 at 5:55 PM, Dave Angel da...@davea.name wrote: 1) you're top-posting, putting your response BEFORE the stuff you're responding to. I responded to my own email, seemed ok to top post on myself saying it was resolved. Yeah, I

Re: getting fieldnames from Dictreader before reading lines

On 05/09/2015 07:01 PM, Vincent Davis wrote: Not sure what I was doing wrong, it seems to work now. I still see two significant things wrong: 1) you're top-posting, putting your response BEFORE the stuff you're responding to. 2) both messages are in html, which thoroughly messed up parts

Re: Jython from bathc file?

On 05/09/2015 05:04 PM, vjp2...@at.biostrategist.dot.dot.com wrote: Thanks.. I suspected it wasn't meant to be taken as in the file THe one thing I'm not sure if Jython is suppsosedto keep running after the initisl stuff is loaded in.. To put the question in purely DOS terms if you run a

Re: calling base class method fetches no results

On 05/09/2015 03:59 AM, david jhon wrote: Hi, I am sorry for sending in five attachments, I cloned the code from here https://bitbucket.org/msharif/hedera/src: Let me explain it here: Please don't top-post. Your earlier problem description, which I could make no sense of, is now located

Re: SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

On 05/09/2015 06:31 AM, zljubisic...@gmail.com wrote: title = title[:232] title = title.replace( , _).replace(/, _).replace(!, _).replace(?, _)\ .replace('', _).replace(':', _).replace(',', _).replace('#34;', '')\ .replace('\n', '_').replace('#39',

Re: Is this unpythonic?

On 05/08/2015 06:53 AM, Frank Millman wrote: Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote in message news:554c8b0a$0$12992$c3e8da3$54964...@news.astraweb.com... On Fri, 8 May 2015 06:01 pm, Frank Millman wrote: Hi all [...] However, every time I look at my own code, and I

Re: asyncio: What is the difference between tasks, futures, and coroutines?

On 05/08/2015 02:42 AM, Chris Angelico wrote: On Fri, May 8, 2015 at 4:36 PM, Rustom Mody rustompm...@gmail.com wrote: On Friday, May 8, 2015 at 10:39:38 AM UTC+5:30, Chris Angelico wrote: Why have the concept of a procedure? On Friday, Chris Angelico ALSO wrote: With print(), you have a

Re: Encrypt python files

On 05/08/2015 06:59 AM, Denis McMahon wrote: On Wed, 06 May 2015 00:23:39 -0700, Palpandi wrote: On Wednesday, May 6, 2015 at 12:07:13 PM UTC+5:30, Palpandi wrote: Hi, What are the ways to encrypt python files? No, I just want to hide the scripts from others. You can do that by deleting

Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API

On 05/07/2015 06:24 AM, Chris Angelico wrote: On Thu, May 7, 2015 at 8:10 PM, Marko Rauhamaa ma...@pacujo.net wrote: Stefan Zimmermann zimmermann.c...@gmail.com: And last but not least, Popen behavior on Windows makes it difficult to write OS-independent Python code which calls external

Re: Throw the cat among the pigeons

On 05/06/2015 09:55 AM, Chris Angelico wrote: On Wed, May 6, 2015 at 11:12 PM, Dave Angel da...@davea.name wrote: I had guessed that the order of multiplication would make a big difference, once the product started getting bigger than the machine word size. Reason I thought that is that if you

Re: Throw the cat among the pigeons

On 05/06/2015 02:26 AM, Steven D'Aprano wrote: On Wednesday 06 May 2015 14:05, Steven D'Aprano wrote: My interpretation of this is that the difference has something to do with the cost of multiplications. Multiplying upwards seems to be more expensive than multiplying downwards, a result I

Re: extracting zip item to in-memory

On 05/06/2015 04:27 PM, noydb wrote: I have a zip file containing several files and I want to extract out just the .xml file. I have that code. Curious if this xml file can be extracted into memory. If so, how to? I only need to move the file around, and maybe read some tags. Thanks for

Re: Throw the cat among the pigeons

On 05/06/2015 11:36 AM, Alain Ketterlin wrote: Yes, plus the time for memory allocation. Since the code uses r *= ..., space is reallocated when the result doesn't fit. The new size is probably proportional to the current (insufficient) size. This means that overall, you'll need fewer

Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API

On 05/06/2015 06:11 PM, Stefan Zimmermann wrote: Hi. I don't like that subprocess.Popen(['command']) only works on Windows if there is a command.exe in %PATH%. As a Windows user you would normally expect that also command.bat and command.cmd can be run that way. and command.com. If

Re: Throw the cat among the pigeons

On 05/05/2015 05:39 PM, Ian Kelly wrote: On Tue, May 5, 2015 at 3:23 PM, Ian Kelly ian.g.ke...@gmail.com wrote: On Tue, May 5, 2015 at 3:00 PM, Dave Angel da...@davea.name wrote: def loop(func, funcname, arg): start = time.time() for i in range(repeats): func(arg, True

Re: Step further with filebasedMessages

On 05/05/2015 11:25 AM, Cecil Westerhof wrote: I have a file with quotes and a file with tips. I want to place random messages from those two (without them being repeated to soon) on my Twitter page. This I do with ‘get_random_message’. I also want to put the first message of another file and

Re: Stripping unencodable characters from a string

On 05/05/2015 02:19 PM, Paul Moore wrote: You need to specify that you're using Python 3.4 (or whichever) when starting a new thread. I want to write a string to an already-open file (sys.stdout, typically). However, I *don't* want encoding errors, and the string could be arbitrary Unicode

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