virtualenvwrapper-powershell - new version
http://pypi.python.org/pypi/virtualenvwrapper-powershell/11.8.28 As of this version, virtualenvwrapper-powershell is a clone of Doug Hellmann's virtualenvwrapper. It has virtually no Python code and shares no code with the original. This is a beta release. If you were following the BitBucket repo, please note you will need to follow the new one. New features in this version: * UserScripts extension * Project management extension * Tab expasion for VirtualEnvWrapper Cheers, Guillermo -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
PySPH 0.9beta release
Hi, We are pleased to announce a 0.9beta release of PySPH. This is our first public release. PySPH (http://pysph.googlecode.com) is an open source framework for Smoothed Particle Hydrodynamics (SPH) simulations. It is implemented in Python and the performance critical parts are implemented in Cython. The framework provides for load balanced, parallel execution of solvers. It is designed to be easy to extend. Check our homepage for more details. Quick Installation --- The major prerequisite is NumPy (http://numpy.scipy.org) and a C++ compiler. To use the built-in viewer you will need to have Mayavi installed. If you need parallel support you must have mpi4py installed but this is optional. To install a released version do: $ easy_install pysph More information - Project home: http://pysph.googlecode.com Documentation: http://packages.python.org/PySPH PyPI: http://pypi.python.org/pypi/PySPH Cheers, PySPH developers -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
Re: Python IDE/Eclipse
On Aug 27, 6:34 pm, UncleLaz andrei.lis...@gmail.com wrote: On Aug 26, 5:18 pm, Dave Boland dbola...@fastmail.fm wrote: I'm looking for a good IDE -- easy to setup, easy to use -- for Python. Any suggestions? I use Eclipse for other projects and have no problem with using it for Python, except that I can't get PyDev to install. It takes forever, then produces an error that makes no sense. An error occurred while installing the items session context was:(profile=PlatformProfile, phase=org.eclipse.equinox.internal.provisional.p2.engine.phases.Install, operand=null -- [R]org.eclipse.cvs 1.0.400.v201002111343, action=org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions.InstallBu ndleAction). Cannot connect to keystore. This trust engine is read only. The artifact file for osgi.bundle,org.eclipse.cvs,1.0.400.v201002111343 was not found. Any suggestions on getting this to work? Thanks, Dave I use Aptana Studio 3, it's pretty good and it's based on eclipse Emacs with emacs-for-python makes the install and setup a breeze and emacs does a lot for you without much learning. http://gabrielelanaro.github.com/emacs-for-python/ geany is great I use it the most. http://www.geany.org/ Finally this is a fairly new project, but it could be pretty good. they are heavy in development of version 2. Ninja ide http://ninja-ide.org/ they provide packages for Debian/ubuntu fedora mandriva windows and the developers are very helpful if you have any issues or questions jump on IRC for a chat. Sayth -- http://mail.python.org/mailman/listinfo/python-list
On re / regex replacement
There is actually a discussion on the dev-list about the replacement of re by regex. I'm not a regular expressions specialist, neither a regex user. However, there is in regex a point that is a little bit disturbing me. The regex module proposes a flag to select the coding (wrong word, just to be short): The global flags are: ASCII, LOCALE, NEW, REVERSE, UNICODE. If I can undestand the ASCII flag, ASCII being the lingua franca of almost all codings, I am more skeptical about the LOCALE/UNICODE flags. There is in my mind some kind of conflict here. What is 100% unicode compliant shoud be locale independent (Unicode.org) and a locale depedency means a loss of unicode compliance. I'm fearing some potential problems here: Users or modules working in one mode, while some others are working in the other mode. Nothing technical here. It seems to me nobody has pointed this fact. jmf -- http://mail.python.org/mailman/listinfo/python-list
Re: Record seperator
On 2011-08-27, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: greymaus wrote: On 2011-08-26, D'Arcy J.M. Cain da...@druid.net wrote: On 26 Aug 2011 18:39:07 GMT greymaus greyma...@mail.com wrote: Is there an equivelent for the AWK RS in Python? as in RS='\n\n' will seperate a file at two blank line intervals open(file.txt).read().split(\n\n) Ta!.. bit awkard. :)) Er, is that meant to be a pun? Awk[w]ard, as in awk-ward? Yup, mispelled it and realized th error :) In any case, no, the Python line might be a handful of characters longer than the AWK equivalent, but it isn't awkward. It is logical and easy to understand. It's embarrassingly easy to describe what it does: open(file.txt) # opens the file .read() # reads the contents of the file .split(\n\n)# splits the text on double-newlines. The only tricky part is knowing that \n means newline, but anyone familiar with C, Perl, AWK etc. should know that. The Python code might be long (but only by the standards of AWK, which can be painfully concise), but it is simple, obvious and readable. A few extra characters is the price you pay for making your language readable. At the cost of a few extra key presses, you get something that you will be able to understand in 10 years time. AWK is a specialist text processing language. Python is a general scripting and programming language. They have different values: AWK values short, concise code, Python is willing to pay a little more in source code. RS, and its Perl equivelent, which I forget, mean that you can read in full multiline records. (I am coming into Python via Perl from AWK, and trying to get a grip on the language and its idions) Thanks to All Oh, Awk is far more than a text processing language, may be old (like me!) but useful (ditto) -- maus . . ... NO CARRIER -- http://mail.python.org/mailman/listinfo/python-list
inpipe and outpipe (and other useful functions)
Hi!
Please excuse me if this i common knowledge, or if I've one again
re-implemented something
that turned out to be in the standard library, but I think I came up
with something rather neat.
I'm writing a lot of programs that call external programs, and as much
as I love subproces.Popen, I do get tired of writing
rather wordy things like:
args = ['cmd', 'arg1', 'arg2', 'etc']
p = subprocess.Popen(args, stdin=subprocess.PIPE)
for line in p:
line = line.decode('latin1')
do_something_with(line)
Bleh.
so last week I had enough, and I sat down and wrote a few functions.
No I can do:
from lib import inpipe
for line in inpipe(args, encoding='latin1'):
do_something_with(line)
and
from lib import outpipe
with outpipe(args, addnl=True) as write:
write('Python is awesome!')
write('')
Some code from a program I'm writing:
args = ['metaflac',
'--show-total-samples',
'--show-sample-rate',
file]
for line in stripped(inpipe(args)):
(name, value) = line.split('=')
# ... process tag
Now, that is a lot more readable than what I had before!
The library has a lot of other things in it as well, and is available here:
https://github.com/olemb/lib
I love Python!
--
Ole Martin,
http://nerdly.info/ole/
--
http://mail.python.org/mailman/listinfo/python-list
pyzmail-0.9.0: high level mail library to read, write and send emails easily
Python easy mail library pyzmail is a high level mail library for Python. It provides functions and classes that help to read, compose and send emails. pyzmail exists because their is no reasons that handling mails with Python would be more difficult than with popular mail clients like Outlook or Thunderbird. pyzmail hide the difficulties of the MIME structure and MIME encoding/decoding. It also hide the problem of the internationalized header encoding/decoding. More here http://www.magiksys.net/pyzmail/ You can get a lot of usage samples from the inside API documentation : http://www.magiksys.net/pyzmail/api/index.html This library is the result of 3 articles I wrote about sending mail using python - Parsing email using Python part 1 of 2 : The Header http://blog.magiksys.net/parsing-email-using-python-header - Parsing email using Python part 2 of 2 : The content http://blog.magiksys.net/parsing-email-using-python-content - Generate and send mail with python: tutorial http://blog.magiksys.net/generate-and-send-mail-with-python-tutorial pyzmail also include a very nice pyzsendmail command line utility to send the most complex email from the command line. pyzsendmail -h for more I'm waiting for your feedback -- http://mail.python.org/mailman/listinfo/python-list
Re: Python IDE/Eclipse
Editra On Sun, Aug 28, 2011 at 5:56 PM, flebber flebber.c...@gmail.com wrote: On Aug 27, 6:34 pm, UncleLaz andrei.lis...@gmail.com wrote: On Aug 26, 5:18 pm, Dave Boland dbola...@fastmail.fm wrote: I'm looking for a good IDE -- easy to setup, easy to use -- for Python. Any suggestions? I use Eclipse for other projects and have no problem with using it for Python, except that I can't get PyDev to install. It takes forever, then produces an error that makes no sense. An error occurred while installing the items session context was:(profile=PlatformProfile, phase=org.eclipse.equinox.internal.provisional.p2.engine.phases.Install, operand=null -- [R]org.eclipse.cvs 1.0.400.v201002111343, action=org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions.InstallBu ndleAction). Cannot connect to keystore. This trust engine is read only. The artifact file for osgi.bundle,org.eclipse.cvs,1.0.400.v201002111343 was not found. Any suggestions on getting this to work? Thanks, Dave I use Aptana Studio 3, it's pretty good and it's based on eclipse Emacs with emacs-for-python makes the install and setup a breeze and emacs does a lot for you without much learning. http://gabrielelanaro.github.com/emacs-for-python/ geany is great I use it the most. http://www.geany.org/ Finally this is a fairly new project, but it could be pretty good. they are heavy in development of version 2. Ninja ide http://ninja-ide.org/ they provide packages for Debian/ubuntu fedora mandriva windows and the developers are very helpful if you have any issues or questions jump on IRC for a chat. Sayth -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: On re / regex replacement
2011/8/28 jmfauth wxjmfa...@gmail.com: There is actually a discussion on the dev-list about the replacement of re by regex. ... If I can undestand the ASCII flag, ASCII being the lingua franca of almost all codings, I am more skeptical about the LOCALE/UNICODE flags. There is in my mind some kind of conflict here. What is 100% unicode compliant shoud be locale independent (Unicode.org) and a locale depedency means a loss of unicode compliance. I'm fearing some potential problems here: Users or modules working in one mode, while some others are working in the other mode. ... jmf -- http://mail.python.org/mailman/listinfo/python-list As I understand it, regex was designed to be as much compatible with re as possible, sometimes even some problematic (in some interpretation) behaviour is retained as default and corrected via the NEW flag (e.g. zero-width split). Also the LOCALE flag seems to be considered as legacy feature and kept with the same behaviour like re; cf.: http://code.google.com/p/mrab-regex-hg/issues/detail?id=6can=1 In my opinon, the LOCALE flag is not reliable (in a way I would imagine) in either re or regex. In the area of flags regex should work the same way like re or it just adds more possibilities (REVERSE for backwards search, ASCII as the complement for unicode, NEW to enable some incompatible additions or corrections, where the original behaviour could be relied on). The only (understandable) incompatibility I encounter in regex are the new features requiring special syntax, which would obviously raise errors in re or which would be matched literally instead. see http://code.google.com/p/mrab-regex-hg/wiki/GeneralDetails#Additional_features for an overview of the additions. Personally I am very happy with regex, both with its features as well as with the support and maintenance by its developer; however I am mostly using it for manually entered patterns, and less for hardcoded operation. regards, Vlastimil Brom -- http://mail.python.org/mailman/listinfo/python-list
Re: Why do closures do this?
On 28/08/11 05:45, John O'Hagan wrote: Somewhat apropos of the recent function principle thread, I was recently surprised by this: funcs=[] for n in range(3): def f(): return n funcs.append(f) [i() for i in funcs] The last expression, IMO surprisingly, is [2,2,2], not [0,1,2]. Google tells me I'm not the only one surprised, but explains that it's because n in the function f refers to whatever n is currently bound to, not what it was bound to at definition time (if I've got that right), and that there are at least two ways around it: either make a factory function: This does not do what you'd like it to do. But let's assume that, it did, that Python, when encountering a function definition inside a function, froze the values of nonlocal variables used in the new function, from the point of view of that function — that *might* be more intuitive, at least in certain situations. However, what if you wanted a closure to access a nonlocal variable that changes - acting differently depending on what has since happened in the parent function. That may not be as common, but it is a perfectly plausible situation, and the hack required to support that behaviour in a Python that acts as you had expected it to, a surrogate namespace using a class, list, or dict, is infinitely more cryptic and ugly than the default-parametre hack. Thomas -- http://mail.python.org/mailman/listinfo/python-list
Re: Why do closures do this?
On 8/28/2011 10:04 AM, Thomas Jollans wrote: This does not do what you'd like it to do. But let's assume that, it did, that Python, when encountering a function definition inside a function, froze the values of nonlocal variables used in the new function, from the point of view of that function — that *might* be more intuitive, at least in certain situations. However, what if you wanted a closure to access a nonlocal variable that changes - acting differently depending on what has since happened in the parent function. That may not be as common, but it is a perfectly plausible situation, and the hack required to support that behaviour in a Python that acts as you had expected it to, a surrogate namespace using a class, list, or dict, is infinitely more cryptic and ugly than the default-parametre hack. Or, what if the nonlocal name is not even defined when the closure is. def f(): def g(): print(a) a = 3 g() f() 3 Note that global names also do not have to be defined when a function using them is compiled. The current situation is that nonlocal and global names are treated the same way. This makes normal and nested functions as much the same as possible. This is intentional. It would be extremely disconcerting if moving code that contains a def into or out of a wrapping function radically changed its behavior more than is absolutely necessary. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
about if __name == '__main__':
hello group i have one question about this if __name == '__main__': is it same as other languages like[c,c++] main function. because of i google and read faqs and also http://docs.python.org/faq/programming#how-do-i-find-the-current-module-name; this and i am confused. thanks -- http://mail.python.org/mailman/listinfo/python-list
Re: Understanding .pth files
On Sat, Aug 27, 2011 at 10:42 AM, Josh English joshua.r.engl...@gmail.com wrote: According to the docs, I should be able to put a file in the site-packages directory called xmldb.pth pointing anywhere else on my drive to include the package. I'd like to use this to direct Python to include the version in the dev folder and not the site-packages folder. The name of the .pth file is not important. Python uses it to add locations to sys.path; it doesn't care what packages might be contained at those locations. So my C:\Python27\lib\site-packages\xmldb.pth file has one line: c:\dev\XmlDB\xmldb The final xmldb is the actual package, yes? The directory in the .pth file should be one inside which Python can find packages, not a package itself. So the file should have just c:\dev\XmlDB. Then when you do import xmldb, Python will look inside the c:\dev\XmlDB, find the xmldb package, and import it. (I've tried the slashes the other way, too, but it doesn't seem to work). Is the only solution to delete the installed library and add the dev folder to my site.py file? The preferred solution here is to use virtualenv to set up your development environment without having to modify the installed version in the system site-packages at all. HTH, Ian -- http://mail.python.org/mailman/listinfo/python-list
Re: about if __name == '__main__':
On Sun, Aug 28, 2011 at 9:34 AM, Amit Jaluf amitja...@gmail.com wrote: hello group i have one question about this if __name == '__main__': First, it should be: if __name__ == '__main__': is it same as other languages like[c,c++] main function. because of i google and read faqs and also http://docs.python.org/faq/programming#how-do-i-find-the-current-module-name; this and i am confused. No, that is not a main function. It's not even a function. When Python runs a script, it loads that script as a module, sets its name to be __main__, and then executes the entire module, starting from the top as normal. What that if statement defines is an ordinary branch that is only executed if the current module is the main module, as opposed to having been imported from some other module. Normally this will be at the end of the file so that all the definitions in the file will have already been executed. The usual idiom for this is: def main(argv): # parse arguments and begin program logic... pass if __name__ == '__main__': import sys main(sys.argv) This is also frequently used for unit testing of library modules, so that the module can be tested just by running it. # define library classes and functions here if __name__ == '__main__': # perform unit tests Cheers, Ian -- http://mail.python.org/mailman/listinfo/python-list
A question about class as an iterator
Hi, I got confused about classes as an iterator. I saw something like this: class foo(): __iter__(self): return self next(self): return something But then I saw a __next__ method on some code. So what is the deal, which one should I use and what is the difference? -- http://yasar.serveblog.net/ -- http://mail.python.org/mailman/listinfo/python-list
Re: On re / regex replacement
On 28/08/2011 14:40, Vlastimil Brom wrote: 2011/8/28 jmfauthwxjmfa...@gmail.com: There is actually a discussion on the dev-list about the replacement of re by regex. ... If I can undestand the ASCII flag, ASCII being the lingua franca of almost all codings, I am more skeptical about the LOCALE/UNICODE flags. There is in my mind some kind of conflict here. What is 100% unicode compliant shoud be locale independent (Unicode.org) and a locale depedency means a loss of unicode compliance. I'm fearing some potential problems here: Users or modules working in one mode, while some others are working in the other mode. ... jmf -- http://mail.python.org/mailman/listinfo/python-list As I understand it, regex was designed to be as much compatible with re as possible, sometimes even some problematic (in some interpretation) behaviour is retained as default and corrected via the NEW flag (e.g. zero-width split). Also the LOCALE flag seems to be considered as legacy feature and kept with the same behaviour like re; cf.: http://code.google.com/p/mrab-regex-hg/issues/detail?id=6can=1 In my opinon, the LOCALE flag is not reliable (in a way I would imagine) in either re or regex. In Python 2, re defaults to ASCII and you must use UNICODE for Unicode strings (the str type is a bytestring). In Python 3, re defaults to UNICODE and you must use ASCII for ASCII bytestrings (the str type is a Unicode string). The LOCALE flag is for locale-dependent 8-bit bytestrings. It uses the toupper and tolower functions of the underlying C library. The regex module tries to be drop-in compatible. It supports the LOCALE flag only because the re module has it. Even Perl has something similar. In the area of flags regex should work the same way like re or it just adds more possibilities (REVERSE for backwards search, ASCII as the complement for unicode, NEW to enable some incompatible additions or corrections, where the original behaviour could be relied on). The only (understandable) incompatibility I encounter in regex are the new features requiring special syntax, which would obviously raise errors in re or which would be matched literally instead. see http://code.google.com/p/mrab-regex-hg/wiki/GeneralDetails#Additional_features for an overview of the additions. In the re module, unknown escape sequences are treated as literals, eg \K is treated as K. The regex module has more escape sequences, so that may break existing regexes, eg \X isn't treated as X, but matches a grapheme. Unknown escape sequences are still treated as literals, as in re. My view is that you shouldn't be relying on that behaviour. If it looks like an escape sequence, it may very well be one. It's like their use in strings literals for file paths on Windows. I would've preferred that a invalid escape sequence in a string literal raised an exception (either it's valid and has a meaning, or it's invalid/reserved for future use). It's a balancing act. Requiring the NEW flag for _any_ deviation from re would be very annoying. Personally I am very happy with regex, both with its features as well as with the support and maintenance by its developer; however I am mostly using it for manually entered patterns, and less for hardcoded operation. And I'm very happy with your feedback. ;-) -- http://mail.python.org/mailman/listinfo/python-list
Re: about if __name == '__main__':
Two main routines, __main__ and main(), is not the usual or the common way to do it. It is confusing and anyone looking at the end of the program for statements executed when the program is called will find an isolated call to main(), and then have to search the program for the statements that should have been at the bottom of the program. The only reason to use such a technique in Python is if you want to call the function if the program is run from the command line, and also call the same function if the program is imported from another. In which case, use a name that is descriptive, not main. And be careful of anyone that gives you programming advice. Research these things for yourself. -- http://mail.python.org/mailman/listinfo/python-list
Re: Processing a large string
goldtech goldt...@worldpost.com writes: Hi, Say I have a very big string with a pattern like: akakksssk3dhdhdhdbddb3dkdkdkddk3dmdmdmd3dkdkdkdk3asnsn. I want to split the sting into separate parts on the 3 and process each part separately. I might run into memory limitations if I use split and get a big array(?) I wondered if there's a way I could read (stream?) the string from start to finish and read what's delimited by the 3 into a variable, process the smaller string variable then append/build a new string with the processed data? Would I loop it and read it char by char till a 3...? Or? Thanks. s = akakksssk3dhdhdhdbddb3dkdkdkddk3dmdmdmd3dkdkdkdk3asnsn for k, subs in itertools.groupby(s, lambda x: x==3): print ''.join(subs) what you actually do in the body of the loop depends on what you want to do with the bits. -- http://mail.python.org/mailman/listinfo/python-list
Fwd: Processing a large string
-- Yönlendirilmiş ileti -- Kimden: Yaşar Arabacı yasar11...@gmail.com Tarih: 28 Ağustos 2011 22:51 Konu: Re: Processing a large string Kime: Paul Rudin paul.nos...@rudin.co.uk Are you getting Overflow error or memory error? If you don't know what those means: Overflow error occurs when your lists gets bigger than sys.maxsize in size. Memory error occurs, when your objects take too much memory that no more memory can be allocated for you. For example, if you have only one item in your list, and that item consumes all your memory, you will get memory error. On the other hand, if you put so much items to the list that list index hits the sys.maxsize value, you will get Overflow error. Answer to your questions depends on spesifics of your needs and current situation. If you can read whole of the string without getting memory error, you wont get memory error when you split the string into a list (at least in my theory), but you can still get Overflowerror (in 2.6 at least.). If your string is in a file or buffer, I would do something like, file__ = open(big-string.txt,r) output__ = open(outputfile,w) temp__ = def process_string(string_): return processed_string while 1: new_char = file.read(1) if new_char == : break elif new_char == 3: output__.write(process_string(temp__)) temp__ = else: temp__ = temp__ + new_char 2011/8/28 Paul Rudin paul.nos...@rudin.co.uk goldtech goldt...@worldpost.com writes: Hi, Say I have a very big string with a pattern like: akakksssk3dhdhdhdbddb3dkdkdkddk3dmdmdmd3dkdkdkdk3asnsn. I want to split the sting into separate parts on the 3 and process each part separately. I might run into memory limitations if I use split and get a big array(?) I wondered if there's a way I could read (stream?) the string from start to finish and read what's delimited by the 3 into a variable, process the smaller string variable then append/build a new string with the processed data? Would I loop it and read it char by char till a 3...? Or? Thanks. s = akakksssk3dhdhdhdbddb3dkdkdkddk3dmdmdmd3dkdkdkdk3asnsn for k, subs in itertools.groupby(s, lambda x: x==3): print ''.join(subs) what you actually do in the body of the loop depends on what you want to do with the bits. -- http://mail.python.org/mailman/listinfo/python-list -- http://yasar.serveblog.net/ -- http://yasar.serveblog.net/ -- http://mail.python.org/mailman/listinfo/python-list
Re: Why do closures do this?
On Saturday, August 27, 2011 8:45:05 PM UTC-7, John O#39;Hagan wrote: Somewhat apropos of the recent function principle thread, I was recently surprised by this: funcs=[] for n in range(3): def f(): return n funcs.append(f) [i() for i in funcs] The last expression, IMO surprisingly, is [2,2,2], not [0,1,2]. Google tells me I'm not the only one surprised, but explains that it's because n in the function f refers to whatever n is currently bound to, not what it was bound to at definition time (if I've got that right), and that there are at least two ways around it: My question is, is this an inescapable consequence of using closures, or is it by design, and if so, what are some examples of where this would be the preferred behaviour? It is the preferred behavior for the following case. def foo(): def printlocals(): print a,b,c,d a = 1; b = 4; c = 5; d = 0.1 printlocals() a = 2 printlocals() When seeing a nested function, there are strong expectations by most people that it will behave this way (not to mention it's a lot more useful). It's only for the less common and much more advanced case of creating a closure in a loop that the other behavior would be preferred. Carl Banks -- http://mail.python.org/mailman/listinfo/python-list
Checking Signature of Function Parameter
I am trying to write an algorithms library in Python. Most of the functions will accept functions as parameters. For instance, there is a function called any: def any(source, predicate): for item in source: if predicate(item): return true; return false; There are some things I want to make sure of. 1) I want to make sure that source is iterable. 2) More importantly, I want to make sure that predicate is callable, accepting a thing, returning a bool. This is what I have so far: if source is None: raise ValueError() if not isinstanceof(source, collections.iterable): raise TypeError() if not callable(predicate): raise TypeError() The idea here is to check for issues up front. In some of the algorithms, I will be using iterators, so bad arguments might not result in a runtime error until long after the calls are made. For instance, I might implement a filter method like this: def where(source, predicate): for item in source: if predicate(item): yield item Here, an error will be delayed until the first item is pulled from the source. Of course, I realize that functions don't really have return types. Good thing is that virtually everything evaluates to a boolean. I am more concerned with the number of parameters. Finally, can I use decorators to automatically perform these checks, instead of hogging the top of all my methods? -- http://mail.python.org/mailman/listinfo/python-list
Re: A question about class as an iterator
On 8/28/2011 1:22 PM, Yaşar Arabacı wrote: I got confused about classes as an iterator. I saw something like this: class foo(): __iter__(self): return self next(self): return something 2.x But then I saw a __next__ method on some code. 3.x This might work in 2.6 or .7, but I do not really know. The next() builting was introduced in 2.6 so that *users* could write item = next(someiter) and have that work in 2.6+ and in 3.x without change. which one should I use? Depends on your Python version. I recommend you use 3.2 unless you have a reason or need to use something else. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: Checking Signature of Function Parameter
On Mon, Aug 29, 2011 at 7:20 AM, Travis Parks jehugalea...@gmail.com wrote: if source is None: raise ValueError() if not isinstanceof(source, collections.iterable): raise TypeError() if not callable(predicate): raise TypeError() Easier: Just ignore the possibilities of failure and carry on with your code. If the source isn't iterable, you'll get an error raised by the for loop. If the predicate's not callable, you'll get an error raised when you try to call it. The only consideration you might need to deal with is that the predicate's not callable, and only if you're worried that consuming something from your source would be a problem (which it won't be with the normal iterables - strings, lists, etc, etc). Otherwise, just let the exceptions be raised! ChrisA -- http://mail.python.org/mailman/listinfo/python-list
Re: about if __name == '__main__':
On 8/28/2011 2:56 PM, woooee wrote: Two main routines, __main__ and main(), '__main__' in not a routine, it is the name of the initial module. is not the usual or the common way to do it. It is confusing and anyone looking at the end of the program for statements executed when the program is called will find an isolated call to main(), and then have to search the program for the statements that should have been at the bottom of the program. The only reason to use such a technique in Python is if you want to call the function if the program is run from the command line, and also call the same function if the program is imported from another. In which case, use a name that is descriptive, not main. And be careful of anyone that gives you programming advice. Research these things for yourself. As far as I know, all the Lib/test/test_xxx.py file have a test_main function, so one can write (in IDLE, for instance) from test.test_xxx import test_main as f; f() and run that test. Very handy. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: Why PyImport_ExecCodeModule takes char*?
Mateusz Loskot mate...@loskot.net wrote: I'm wondering, why PyImport_ExecCodeModule function takes char* instead of const char*? My guess is history. -- Tim Roberts, t...@probo.com Providenza Boekelheide, Inc. -- http://mail.python.org/mailman/listinfo/python-list
Re: about if __name == '__main__':
On Sun, Aug 28, 2011 at 12:56 PM, woooee woo...@gmail.com wrote: Two main routines, __main__ and main(), is not the usual or the common way to do it. It is confusing and anyone looking at the end of the program for statements executed when the program is called will find an isolated call to main(), and then have to search the program for the statements that should have been at the bottom of the program. Not a problem if you write them one after another. Besides which, any decent editor will have a command to go directly from the function call to the function definition, so I really don't see this as a problem. The only reason to use such a technique in Python is if you want to call the function if the program is run from the command line, and also call the same function if the program is imported from another. Or if your main routine has variables, and you don't particularly want them polluting the module's global namespace. In which case, use a name that is descriptive, not main. main is descriptive in that it clearly designates the entry point of the script to anybody accustomed to such terminology. But there is certainly no reason it needs to be main, and in fact I only used that for the example. In an actual script I would use whatever seems appropriate. -- http://mail.python.org/mailman/listinfo/python-list
Re: about if __name == '__main__':
On 28Aug2011 11:56, woooee woo...@gmail.com wrote: | Two main routines, __main__ and main(), is not the usual or the common | way to do it. It is confusing and anyone looking at the end of the | program for statements executed when the program is called will find | an isolated call to main(), and then have to search the program for | the statements that should have been at the bottom of the program. Firstly, as Terry remarked, __main__ is a name, not a function. Secondly, search the program for the statements that should have been at the bottom of the program isn't how I see it. If I have a module I expect to be usable from the command line easily it looks like this: def main(argv): ... command line program logic ... return exit_code ... all the other module contents ... if __name__ == '__main__': import sys sys.exit(main(sys.argv)) That way the top level command line program logic is at the top of the file where it is easy to find, not buried in the middle or at the bottom. Cheers, -- Cameron Simpson c...@zip.com.au DoD#743 http://www.cskk.ezoshosting.com/cs/ Anarchy is not lack of order. Anarchy is lack of ORDERS. -- http://mail.python.org/mailman/listinfo/python-list
Re: Why PyImport_ExecCodeModule takes char*?
On 8/28/2011 6:52 PM, Tim Roberts wrote: Mateusz Loskotmate...@loskot.net wrote: I'm wondering, why PyImport_ExecCodeModule function takes char* instead of const char*? My guess is history. I believe some const tags have been added over the last few years. Another factory than mere history for some things is portability across platforms and the main compilers. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Unpickle error -- object has no attribute ....
I have an application that needs to keep a history of the values of
several attributes of each of many instances of many classes. The
history-keeping logic is in a helper class, HistoryKeeper, that's
inherited by classes like Vehicle in the example below.
Pickling an instance of Vehicle works, but unpickling fails with:
Vehicle object has no attribute
'_orderedArgNames' (_orderedArgNames is an attribute in
HistoryKeeper that tells the attributes for which history must be
kept.)
During unpickling, the exception occurs at the 2nd line in the
__getattribute__ method:
if item not in object.__getattribute__(self,
'_orderedArgNames'):
FWIW, cPickle fails the same way.
Below is a stripped-down example that fails in unpickling.
Can anyone explain why it fails and what I can do to fix it?
MANY thanks.
=
import datetime, bisect
from collections import OrderedDict
# define a class which helps keep date-history of attribute settings
in inheriting classes
class HistoryKeeper(object):
Class to maintain a dated history of attribute settings in
inheriting classes.
The initialization arguments are in an OrderedDict.
def __init__(self, orderedArgs):
super(HistoryKeeper, self).__setattr__('_orderedArgNames',
orderedArgs.keys()) #remember the order of unnamed args
for arg, value in orderedArgs.items():
if arg != 'self':
self.Set(arg, value)
Get the current value of an attribute, optionally returning
its entire history.
def __getattribute__(self, item, returnHistory=False):
value = object.__getattribute__(self, item)
if item not in object.__getattribute__(self,
'_orderedArgNames'):
return value # not an attribute for which we
maintain a change history
elif returnHistory:
return value # return the entire history
else:
return value[-1][0] # return only the latest
value
Set an attribute by appending the new value and date to
existing history of that attribute.
Unless a setting-date is supplied, default to today.
Set the value only if it's different than the chronological
immediately preceding value.
def __setattr__(self, item, value, date=None):
# avoid history keeping if this item isn't among those
declared to require it
if item not in self._orderedArgNames:
super(HistoryKeeper, self).__setattr__(item, value)
else:
if not date:
date = datetime.date.today()
# if this attribute has already been set, add this value
to that history
try:
history = self.__getattribute__(item,
returnHistory=True)
# if a date was supplied, ensure the history remains
in chronological order
dates = [val[1] for val in history]
index = bisect.bisect_right(dates, date)
# insert this value into the history unless it doesn't
change an existing setting
if index == 0 or history[index-1][0] != value:
history.insert(index, (value,date))
except:
history = [(value, date)]
super(HistoryKeeper, self).__setattr__(item, history)
def Set(self, item, value):
self.__setattr__(item, value)
class Vehicle(HistoryKeeper):
def __init__(self, tag, make, model):
argDict = OrderedDict([('tag',tag),('make',make),
('model',model)])
super(Vehicle, self).__init__(argDict)
if __name__ == __main__:
car = Vehicle('TAG123', 'FORD', 'Model A')
import pickle
pFile = open('car.pk1', 'wb')
pickle.dump(car, pFile, -1)
pFile.close()
print car pickled OK
pFile = open('car.pk1', 'rb')
community = pickle.load(pFile)
pFile.close()
--
http://mail.python.org/mailman/listinfo/python-list
Re: Checking Signature of Function Parameter
On Aug 28, 5:31 pm, Chris Angelico ros...@gmail.com wrote: On Mon, Aug 29, 2011 at 7:20 AM, Travis Parks jehugalea...@gmail.com wrote: if source is None: raise ValueError() if not isinstanceof(source, collections.iterable): raise TypeError() if not callable(predicate): raise TypeError() Easier: Just ignore the possibilities of failure and carry on with your code. If the source isn't iterable, you'll get an error raised by the for loop. If the predicate's not callable, you'll get an error raised when you try to call it. The only consideration you might need to deal with is that the predicate's not callable, and only if you're worried that consuming something from your source would be a problem (which it won't be with the normal iterables - strings, lists, etc, etc). Otherwise, just let the exceptions be raised! ChrisA I guess my concern is mostly with the delayed exceptions. It is hard to find the source of an error when it doesn't happen immediately. I am writing this library so all of the calls can be chained together (composed). If this nesting gets really deep, finding the source is hard to do, even with a good debugger. Maybe I should give up on it, like you said. I am still familiarizing myself with the paradigm. I want to make sure I am developing code that is consistent with the industry standards. -- http://mail.python.org/mailman/listinfo/python-list
Re: Checking Signature of Function Parameter
On Mon, Aug 29, 2011 at 10:20 AM, Travis Parks jehugalea...@gmail.com wrote: Maybe I should give up on it, like you said. I am still familiarizing myself with the paradigm. I want to make sure I am developing code that is consistent with the industry standards. In Python, the industry standard is easier to ask forgiveness than permission - that is, let the exceptions happen. It's not worth the hassle of error-checking when the result of not checking an error is exactly the same thing. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
Why I need the parameter when the call doesn't use it?
I modularize code for a webapp and I want to know what python makes that a need
to define an argument called self? Here's some code where I'm modularizing a
recaptcha test to a function and the I must add the parameter self to the
function is_submitter_human:
class A(BaseHandler, blobstore_handlers.BlobstoreUploadHandler):
def is_submitter_human(self):
cResponse = captcha.submit(
self.request.get('recaptcha_challenge_field').encode('utf-8'),
self.request.get('recaptcha_response_field').encode('utf-8'),
CAPTCHA_PRV_KEY,
os.environ['REMOTE_ADDR'])
return cResponse.is_valid
def post(self, view):
logging.debug('starting recaptcha check')
isHuman = self.is_submitter_human()# here I don't pass a parameter
logging.debug('recaptcha check isHuman:' +str(isHuman))
if not isHuman:#failed captcha and can try again
#Reprint the form
--
It seems unlike other programming languages where the number of arguments in
the call are the same as the number of arguments in the function head and
python requires me to add one parameter to the function head and I wonder if
you call tell me something about the background why?
What's the story of using these parameters that are called self?
Thank you
--
http://mail.python.org/mailman/listinfo/python-list
Some problems refer to install 3rd party package of Python on mac OS 10.6.8
-- the Python environment on my mac is: Python 2.6.4 (r264:75706, Aug 28 2011, 22:29:24) [GCC 4.2.1 (Apple Inc. build 5664)] on darwin i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5664) Copyright (C) 2007 Free Software Foundation, Inc. - I found the download adresses of scipy and numpy from official website 'www.scipy.org'. After downloading 2 latest released dmg files, i directly installed them with double-click the dmg files. Then, i opened Python interpreter in Terminal, and tested whether scipy numpy work. The result is disappointed! when i inputed ' import scipy' 'import numpy', the output is : import scipy Traceback (most recent call last): File stdin, line 1, in module File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/scipy/_init_.py, line 78, in module from numpy import show_config as show_numpy_config File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/_init_.py, line 137, in module import add_newdocs File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/add_newdocs.py, line 9, in module from numpy.lib import add_newdoc File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/lib/_init_.py, line 4, in module from type_check import * File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/lib/type_check.py, line 8, in module import numpy.core.numeric as _nx File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/core/_init_.py, line 5, in module import multiarray ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/ lib/python2.6/site-packages/numpy/core/multiarray.so, 2): no suitable image found. Did find: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site- packages/numpy/core/multiarray.so: no matching architecture in universal wrapper import numpy Traceback (most recent call last): File stdin, line 1, in module File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/_init_.py, line 137, in module import add_newdocs File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/add_newdocs.py, line 9, in module from numpy.lib import add_newdoc File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/lib/_init_.py, line 4, in module from type_check import * File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/lib/type_check.py, line 8, in module import numpy.core.numeric as _nx File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/core/_init_.py, line 5, in module import multiarray ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/ lib/python2.6/site-packages/numpy/core/multiarray.so, 2): no suitable image found. Did find: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site- packages/numpy/core/multiarray.so: no matching architecture in universal wrapper Is there anybody can tell me where the error exists? -- http://mail.python.org/mailman/listinfo/python-list
Re: Checking Signature of Function Parameter
On Sun, Aug 28, 2011 at 3:20 PM, Travis Parks jehugalea...@gmail.com wrote: I am trying to write an algorithms library in Python. Most of the functions will accept functions as parameters. For instance, there is a function called any: def any(source, predicate): for item in source: if predicate(item): return true; return false; Perhaps not the best name, since there is already a built-in called any that would be masked by this. Using the built-in, any(source, predicate) would be written as any(predicate(x) for x in source) I guess my concern is mostly with the delayed exceptions. It is hard to find the source of an error when it doesn't happen immediately. I am writing this library so all of the calls can be chained together (composed). If this nesting gets really deep, finding the source is hard to do, even with a good debugger. Agreed that there are cases where it is useful to do this. But there is no delayed execution in the example you've given, so the exceptions will happen immediately (or at least, within the same stack frame). The stack traces will still come from the any function and will look basically the same as the stack traces you'll get from raising the exceptions by hand. HTH, Ian -- http://mail.python.org/mailman/listinfo/python-list
Re: Some problems refer to install 3rd party package of Python on mac OS 10.6.8
On Sun, Aug 28, 2011 at 5:35 PM, Gee Chen cnche...@gmail.com wrote: -- the Python environment on my mac is: Python 2.6.4 (r264:75706, Aug 28 2011, 22:29:24) [GCC 4.2.1 (Apple Inc. build 5664)] on darwin For future reference, when on OS X, it's very helpful to include how you installed your Python, and whether it's 32-bit or 64-bit. snip I found the download adresses of scipy and numpy from official website 'www.scipy.org'. After downloading 2 latest released dmg files, i directly installed them with double-click the dmg files. Then, i opened Python interpreter in Terminal, and tested whether scipy numpy work. The result is disappointed! when i inputed ' import scipy' 'import numpy', the output is : import scipy Traceback (most recent call last): snip File /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ site-packages/numpy/core/_init_.py, line 5, in module import multiarray ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/ lib/python2.6/site-packages/numpy/core/multiarray.so, 2): no suitable image found. Did find: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site- packages/numpy/core/multiarray.so: no matching architecture in universal wrapper snip Is there anybody can tell me where the error exists? I believe you've installed 32-bit libraries for a 64-bit Python (or possibly vice-versa). It appears that NumPy SciPy official releases are 32-bit-only. So, you can either use the alternate, unofficial 64-bit releases of those packages, or install a 32-bit Python (via Fink, MacPorts, a Python.org installer, etc.). A third option is to install the Enthought Python Distribution (http://www.enthought.com/products/epd.php ) or similar, which bundles Python together with SciPy, NumPy, and other libraries in a single install. Cheers, Chris -- http://rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
Re: Checking Signature of Function Parameter
On Sun, Aug 28, 2011 at 2:20 PM, Travis Parks jehugalea...@gmail.com wrote: I am trying to write an algorithms library in Python. Most of the functions will accept functions as parameters. For instance, there is a function called any: def any(source, predicate): for item in source: if predicate(item): return true; return false; There are some things I want to make sure of. 1) I want to make sure that source is iterable. 2) More importantly, I want to make sure that predicate is callable, accepting a thing, returning a bool. snip I am more concerned with the number of parameters. That can be introspected using the `inspect` module: http://docs.python.org/library/inspect.html#inspect.getargspec Finally, can I use decorators to automatically perform these checks, instead of hogging the top of all my methods? Certainly. Although, as others have said, the cost-benefit ratio of adding code to perform such somewhat-redundant checks might make it not worth the trouble. Cheers, Chris -- http://mail.python.org/mailman/listinfo/python-list
killing a script
I have a Python (2.6.x) script on Linux that loops through many directories and does processing for each. That processing includes several os.system calls for each directory (some to other Python scripts, others to bash scripts). Occasionally something goes wrong, and the top-level script just keeps running with a stack dump for each case. When I see that, I want to just kill the whole thing and fix the bug. However, when I hit Control- C, it apparently just just kills whichever script happens to be running at that instant, and the top level script just moves to the next line and keeps running. If I hit Control-C repeatedly, I eventually get lucky and kill the top-level script. Is there a simple way to ensure that the first Control-C will kill the whole darn thing, i.e, the top-level script? Thanks. --Russ P. -- http://mail.python.org/mailman/listinfo/python-list
Re: Why I need the parameter when the call doesn't use it?
Niklas Rosencrantz nikla...@gmail.com writes: I modularize code for a webapp and I want to know what python makes that a need to define an argument called self? Because, when calling a method on an instance, the instance is a parameter to the call. That is, foo = Thribble() foo.bar(spam) is usually syntactic sugar for foo = Thribble() foo.__class__.bar(foo, spam) and so the definition of that function on the Thribble class needs to accept both parameters. Here's some code where I'm modularizing a recaptcha test to a function and the I must add the parameter self to the function is_submitter_human Yes, because the code of ‘is_submitter_human’ needs to know *which* instance has been passed. That instance is bound to the first parameter, which is conventionally named ‘self’. It seems unlike other programming languages where the number of arguments in the call are the same as the number of arguments in the function head and python requires me to add one parameter to the function head and I wonder if you call tell me something about the background why? I hope that explains. See also: URL:http://docs.python.org/faq/programming.html#what-is-self URL:http://docs.python.org/faq/design.html#why-self -- \ “Nullius in verba” (“Take no-one's word for it”) —motto of the | `\ Royal Society, since 1663-06-30 | _o__) | Ben Finney -- http://mail.python.org/mailman/listinfo/python-list
Re: [Python] Why I need the parameter when the call doesn't use it?
On 08/28/2011 07:26 PM, Niklas Rosencrantz wrote: I modularize code for a webapp and I want to know what python makes that a need to define an argument called self? Here's some code where I'm modularizing a recaptcha test to a function and the I must add the parameter self to the function is_submitter_human: class A(BaseHandler, blobstore_handlers.BlobstoreUploadHandler): def is_submitter_human(self): is_submitter_human() isn't a function, it's a method. Methods are always called with a reference to the class instance (i.e. the object) that the method belongs to; this reference is the first argument, and is conventionally called self. Though I've hacked it out, your code sample includes calls to other methods of the object, by calling self.methodname(). Without the first parameter, how else would you do it? -- Chris. -- http://mail.python.org/mailman/listinfo/python-list
Button Label change on EVT_BUTTON in wxpython!!!
Some system info before proceeding further:
Platform: Mac OS X 10.7.1
Python Version: ActiveState Python 2.7.1
wxPython Version: [url=http://downloads.sourceforge.net/wxpython/
wxPython2.9-osx-2.9.2.1-cocoa-py2.7.dmg]wxPython2.9-osx-cocoa-py2.7[/
url]
I want the button label to be changed while performing a task
So, here is what I did/want:
self.run_button=wx.Button(self.panel,ID_RUN_BUTTON,label='Install')
self.Bind(wx.EVT_BUTTON, self.OnRun,id=ID_RUN_BUTTON)
def OnRun(self,evt):
self.run_button.SetLabel('Installing..')
#call a function that does the installation task
installation_task()
#After task completion, set the button label back to Install
self.run_button.SetLabel('Install')
When I try doing this, it doesn't set the label to Installing while
the task is being performed. Any suggestions how do I achieve this?
--
http://mail.python.org/mailman/listinfo/python-list
Re: Why I need the parameter when the call doesn't use it?
On Sun, Aug 28, 2011 at 5:26 PM, Niklas Rosencrantz nikla...@gmail.com wrote:
I modularize code for a webapp and I want to know what python makes that a
need to define an argument called self? Here's some code where I'm
modularizing a recaptcha test to a function and the I must add the parameter
self to the function is_submitter_human:
class A(BaseHandler, blobstore_handlers.BlobstoreUploadHandler):
def is_submitter_human(self):
cResponse = captcha.submit(
self.request.get('recaptcha_challenge_field').encode('utf-8'),
self.request.get('recaptcha_response_field').encode('utf-8'),
CAPTCHA_PRV_KEY,
os.environ['REMOTE_ADDR'])
return cResponse.is_valid
def post(self, view):
logging.debug('starting recaptcha check')
isHuman = self.is_submitter_human()# here I don't pass a parameter
logging.debug('recaptcha check isHuman:' +str(isHuman))
if not isHuman:#failed captcha and can try again
#Reprint the form
--
It seems unlike other programming languages where the number of arguments in
the call are the same as the number of arguments in the function head and
python requires me to add one parameter to the function head and I wonder if
you call tell me something about the background why?
What's the story of using these parameters that are called self?
Some other languages name the analogous parameter this instead of
self, and basically declare it implicitly for you. In both cases,
said variable is used to refer to the object that the current method
is being called on (e.g. if `w` is a list and I do w.append(v), the
list `w` is `self` in the context of the .append() method call). Since
Python's object-orientation is slightly impure, you are required to
declare `self` explicitly in the parameter list, unlike most other
languages. Technically, you are free to name the parameter something
else instead of self; naming it self is merely a convention.
However, no matter its name, the first parameter to a method will
always receive the current object as its argument value.
So, given: x = Foo()
Then: x.bar(y, z)
is approximately equivalent to:
Foo.bar(x, y, z) # perfectly legal working code
So the number of arguments actually /does/ match the number of
parameters; `x`/`self` is just passed implicitly via the semantics of
the dot (.) operator.
Cheers,
Chris
--
http://mail.python.org/mailman/listinfo/python-list
Re: killing a script
On 29/08/2011 02:15, Russ P. wrote: I have a Python (2.6.x) script on Linux that loops through many directories and does processing for each. That processing includes several os.system calls for each directory (some to other Python scripts, others to bash scripts). Occasionally something goes wrong, and the top-level script just keeps running with a stack dump for each case. When I see that, I want to just kill the whole thing and fix the bug. However, when I hit Control- C, it apparently just just kills whichever script happens to be running at that instant, and the top level script just moves to the next line and keeps running. If I hit Control-C repeatedly, I eventually get lucky and kill the top-level script. Is there a simple way to ensure that the first Control-C will kill the whole darn thing, i.e, the top-level script? Thanks. You could look at the return value of os.system, which may tell you the exit status of the process. -- http://mail.python.org/mailman/listinfo/python-list
Re: Button Label change on EVT_BUTTON in wxpython!!!
On Aug 28, 2011, at 9:30 PM, Ven wrote:
Some system info before proceeding further:
Platform: Mac OS X 10.7.1
Python Version: ActiveState Python 2.7.1
wxPython Version: [url=http://downloads.sourceforge.net/wxpython/
wxPython2.9-osx-2.9.2.1-cocoa-py2.7.dmg]wxPython2.9-osx-cocoa-py2.7[/
url]
I want the button label to be changed while performing a task
So, here is what I did/want:
self.run_button=wx.Button(self.panel,ID_RUN_BUTTON,label='Install')
self.Bind(wx.EVT_BUTTON, self.OnRun,id=ID_RUN_BUTTON)
def OnRun(self,evt):
self.run_button.SetLabel('Installing..')
#call a function that does the installation task
installation_task()
#After task completion, set the button label back to Install
self.run_button.SetLabel('Install')
When I try doing this, it doesn't set the label to Installing while
the task is being performed. Any suggestions how do I achieve this?
Suggestion #1: After you set the label to Installing..., try adding
self.run_button.Refresh() and/or self.run_button.Update().
Suggestion #2: Ask wxPython questions on the wxPython mailing list.
Good luck
Philip
--
http://mail.python.org/mailman/listinfo/python-list
Re: [Python] Why I need the parameter when the call doesn't use it?
Chris Gonnerman ch...@gonnerman.org writes: On 08/28/2011 07:26 PM, Niklas Rosencrantz wrote: class A(BaseHandler, blobstore_handlers.BlobstoreUploadHandler): def is_submitter_human(self): is_submitter_human() isn't a function, it's a method. No, that's not true and may lead to future confusion. Rather, it is a function *and* a method. Not all functions are methods, but all methods are functions. Methods are always called with a reference to the class instance Also not true, but perhaps too subtle an issue to explore in this thread. Though I've hacked it out, your code sample includes calls to other methods of the object, by calling self.methodname(). Without the first parameter, how else would you do it? Yes, that's exactly the reason. Thanks. -- \ “A child of five could understand this. Fetch me a child of | `\ five.” —Groucho Marx | _o__) | Ben Finney -- http://mail.python.org/mailman/listinfo/python-list
Re: killing a script
On Aug 28, 6:52 pm, MRAB pyt...@mrabarnett.plus.com wrote: On 29/08/2011 02:15, Russ P. wrote: I have a Python (2.6.x) script on Linux that loops through many directories and does processing for each. That processing includes several os.system calls for each directory (some to other Python scripts, others to bash scripts). Occasionally something goes wrong, and the top-level script just keeps running with a stack dump for each case. When I see that, I want to just kill the whole thing and fix the bug. However, when I hit Control- C, it apparently just just kills whichever script happens to be running at that instant, and the top level script just moves to the next line and keeps running. If I hit Control-C repeatedly, I eventually get lucky and kill the top-level script. Is there a simple way to ensure that the first Control-C will kill the whole darn thing, i.e, the top-level script? Thanks. You could look at the return value of os.system, which may tell you the exit status of the process. Thanks for the suggestion. Yeah, I guess I could do that, but it seems that there should be a simpler way to just kill the whole enchilada. Hitting Control-C over and over is a bit like whacking moles. --Russ P. -- http://mail.python.org/mailman/listinfo/python-list
Re: killing a script
On Mon, Aug 29, 2011 at 12:41 PM, Russ P. russ.paie...@gmail.com wrote: On Aug 28, 6:52 pm, MRAB pyt...@mrabarnett.plus.com wrote: You could look at the return value of os.system, which may tell you the exit status of the process. Thanks for the suggestion. Yeah, I guess I could do that, but it seems that there should be a simpler way to just kill the whole enchilada. Hitting Control-C over and over is a bit like whacking moles. I believe the idea of this suggestion is for the outer script to notice that the inner script terminated via Ctrl-C, and would then immediately choose to terminate itself - thus avoiding the whack-a-mole effect. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
Re: killing a script
Russ P. russ.paie...@gmail.com writes: Thanks for the suggestion. Yeah, I guess I could do that, but it seems that there should be a simpler way to just kill the whole enchilada. Hitting Control-C over and over is a bit like whacking moles. Hit Ctrl-Z, which stops execution of the subprogram but doesn't kill it. Then kill both the subprogram and the control program from a terminal window. -- http://mail.python.org/mailman/listinfo/python-list
Re: [ANN] Oktest 0.9.0 released - a new-style testing library
I published presentation slide about Oktest.
If you have interested in testing, check it out.
http://www.slideshare.net/kwatch/oktest-a-new-style-testing-library-for-python
--
regards,
makoto kuwata
On Sat, Aug 27, 2011 at 9:37 PM, Makoto Kuwata k...@kuwata-lab.com wrote:
Hi,
I released Oktest 0.9.0.
http://pypi.python.org/pypi/Oktest/
http://packages.python.org/Oktest/
Oktest is a new-style testing library for Python.
::
from oktest import ok, NG
ok (x) 0 # same as assert_(x 0)
ok (s) == 'foo' # same as assertEqual(s, 'foo')
ok (s) != 'foo' # same as assertNotEqual(s, 'foo')
ok (f).raises(ValueError) # same as assertRaises(ValueError, f)
ok (u'foo').is_a(unicode) # same as assert_(isinstance(u'foo', unicode))
NG (u'foo').is_a(int) # same as assert_(not isinstance(u'foo', int))
ok ('A.txt').is_file() # same as assert_(os.path.isfile('A.txt'))
NG ('A.txt').is_dir() # same as assert_(not os.path.isdir('A.txt'))
See http://packages.python.org/Oktest/ for details.
NOTICE!! Oktest is a young project and specification may change in the future.
Main Enhancements
-
* New '@test' decorator provided. It is simple but very powerful.
Using @test decorator, you can write test description in free text
instead of test method.
ex::
class FooTest(unittest.TestCase):
def test_1_plus_1_should_be_2(self): # not cool...
self.assertEqual(2, 1+1)
@test(1 + 1 should be 2) # cool! easy to read write!
def _(self):
self.assertEqual(2, 1+1)
* Fixture injection support by '@test' decorator.
Arguments of test method are regarded as fixture names and
they are injected by @test decorator automatically.
Instance methods or global functions which name is 'provide_' are
regarded as fixture provider (or builder) for fixture ''.
ex::
class SosTest(unittest.TestCase):
##
## fixture providers.
##
def provide_member1(self):
return {name: Haruhi}
def provide_member2(self):
return {name: Kyon}
##
## fixture releaser (optional)
##
def release_member1(self, value):
assert value == {name: Haruhi}
##
## testcase which requires 'member1' and 'member2' fixtures.
##
@test(validate member's names)
def _(self, member1, member2):
assert member1[name] == Haruhi
assert member2[name] == Kyon
Dependencies between fixtures are resolved automatically.
ex::
class BarTest(unittest.TestCase):
##
## for example:
## - Fixture 'a' depends on 'b' and 'c'.
## - Fixture 'c' depends on 'd'.
##
def provide_a(b, c): return b + c + [A]
def provide_b(): return [B]
def provide_c(d): return d + [C]
def provide_d(): reutrn [D]
##
## Dependencies between fixtures are solved automatically.
##
@test(dependency test)
def _(self, a):
assert a == [B, D, C, A]
If loop exists in dependency then @test reports error.
If you want to integrate with other fixture library, see the following
example::
class MyFixtureManager(object):
def __init__(self):
self.values = { x: 100, y: 200 }
def provide(self, name):
return self.values[name]
def release(self, name, value):
pass
oktest.fixure_manager = MyFixtureResolver()
Other Enhancements and Changes
--
* Supports command-line interface to execute test scripts.
* Reporting style is changed.
* New assertion method ``ok(x).attr(name, value)`` to check attribute.
* New assertion method ``ok(x).length(n)``.
* New feature``ok().should`` helps you to check boolean method.
* 'ok(str1) == str2' displays diff if text1 != text2, even when using
with unittest module.
* Assertion ``raises()`` supports regular expression to check error message.
* Helper functions in oktest.dummy module are now available as decorator.
* 'AssertionObject.expected' is renamed to 'AssertionObject.boolean'.
* ``oktest.run()`` is changed to return number of failures and errors of
tests.
* ``before_each()`` and ``after_each()`` are now non-supported.
* (Experimental) New function ``NOT()`` provided which is same as ``NG()``.
* (Experimental) ``skip()`` and ``@skip.when()`` are provided to skip tests::
See CHANGES.txt for details.
http://packages.python.org/Oktest/CHANGES.txt
Have a nice testing life!
--
regards,
makoto kuwata
--
http://mail.python.org/mailman/listinfo/python-list
Re: killing a script
On Aug 28, 7:51 pm, Chris Angelico ros...@gmail.com wrote: On Mon, Aug 29, 2011 at 12:41 PM, Russ P. russ.paie...@gmail.com wrote: On Aug 28, 6:52 pm, MRAB pyt...@mrabarnett.plus.com wrote: You could look at the return value of os.system, which may tell you the exit status of the process. Thanks for the suggestion. Yeah, I guess I could do that, but it seems that there should be a simpler way to just kill the whole enchilada. Hitting Control-C over and over is a bit like whacking moles. I believe the idea of this suggestion is for the outer script to notice that the inner script terminated via Ctrl-C, and would then immediately choose to terminate itself - thus avoiding the whack-a-mole effect. ChrisA Yes, but if I am not mistaken, that will require me to put a line or two after each os.system call. That's almost like whack-a-mole at the code level rather than the Control-C level. OK, not a huge deal for one script, but I was hoping for something simpler. I was hoping I could put one line at the top of the script and be done with it. --Russ P. -- http://mail.python.org/mailman/listinfo/python-list
Re: killing a script
On Sun, Aug 28, 2011 at 8:08 PM, Russ P. russ.paie...@gmail.com wrote: On Aug 28, 7:51 pm, Chris Angelico ros...@gmail.com wrote: On Mon, Aug 29, 2011 at 12:41 PM, Russ P. russ.paie...@gmail.com wrote: On Aug 28, 6:52 pm, MRAB pyt...@mrabarnett.plus.com wrote: You could look at the return value of os.system, which may tell you the exit status of the process. Thanks for the suggestion. Yeah, I guess I could do that, but it seems that there should be a simpler way to just kill the whole enchilada. Hitting Control-C over and over is a bit like whacking moles. I believe the idea of this suggestion is for the outer script to notice that the inner script terminated via Ctrl-C, and would then immediately choose to terminate itself - thus avoiding the whack-a-mole effect. ChrisA Yes, but if I am not mistaken, that will require me to put a line or two after each os.system call. Er, just write a wrapper for os.system(), e.g.: def mysystem(cmd): if os.system(cmd): sys.exit() Also, you may want to switch to using the `subprocess` module instead. Cheers, Chris -- http://mail.python.org/mailman/listinfo/python-list
Re: killing a script
On Aug 28, 8:16 pm, Chris Rebert c...@rebertia.com wrote: On Sun, Aug 28, 2011 at 8:08 PM, Russ P. russ.paie...@gmail.com wrote: On Aug 28, 7:51 pm, Chris Angelico ros...@gmail.com wrote: On Mon, Aug 29, 2011 at 12:41 PM, Russ P. russ.paie...@gmail.com wrote: On Aug 28, 6:52 pm, MRAB pyt...@mrabarnett.plus.com wrote: You could look at the return value of os.system, which may tell you the exit status of the process. Thanks for the suggestion. Yeah, I guess I could do that, but it seems that there should be a simpler way to just kill the whole enchilada. Hitting Control-C over and over is a bit like whacking moles. I believe the idea of this suggestion is for the outer script to notice that the inner script terminated via Ctrl-C, and would then immediately choose to terminate itself - thus avoiding the whack-a-mole effect. ChrisA Yes, but if I am not mistaken, that will require me to put a line or two after each os.system call. Er, just write a wrapper for os.system(), e.g.: def mysystem(cmd): if os.system(cmd): sys.exit() Also, you may want to switch to using the `subprocess` module instead. Cheers, Chris Sounds like a good idea. I'll give it a try. Thanks. --Russ P. -- http://mail.python.org/mailman/listinfo/python-list
Re: Why I need the parameter when the call doesn't use it?
In 66a3f64c-d35e-40c7-be69-ddf708e37...@glegroupsg2000goo.googlegroups.com Niklas Rosencrantz nikla...@gmail.com writes: What's the story of using these parameters that are called self? self is a reference to the class object, and it allows the method to access other methods and variables within the class. For example, say you have this class: class MyClass(object): def method1(self, x): self.x = x self.say_hello() def say_hello(self): self.x = self.x + 1 print hello Without the self reference, method1 wouldn't be able to access instance variable x and it wouldn't be able to call say_hello(). If you have a method that doesn't need to access other variables or methods within the class, you can declare it with the @staticmethod decorator. -- John Gordon A is for Amy, who fell down the stairs gor...@panix.com B is for Basil, assaulted by bears -- Edward Gorey, The Gashlycrumb Tinies -- http://mail.python.org/mailman/listinfo/python-list
Re: about if __name == '__main__':
On Aug 28, 12:51 pm, Ian Kelly ian.g.ke...@gmail.com wrote: On Sun, Aug 28, 2011 at 9:34 AM, Amit Jaluf amitja...@gmail.com wrote: hello group i have one question about this if __name == '__main__': sorry dear for this and thanks all of you for this -- http://mail.python.org/mailman/listinfo/python-list
Re: packaging a python application
Hi all, This is interesting. Do we have the distribute/setuptools equivalent of postinstall (with ncurses interface) from Debian? My limited foray into setuptools, indicate it doesn't have . Is it a planned feature either? i would like to contribute in that case. == Anand Jeyahar https://sites.google.com/site/https://sites.google.com/site/aangjie/home/quotes anandjeyahar == The man who is really serious, with the urge to find out what truth is, has no style at all. He lives only in what is. ~Bruce Lee Love is a trade with lousy accounting policies. ~Aang Jiehttps://sites.google.com/site/aangjie/home/quotes On Sun, Aug 28, 2011 at 06:22, suresh suresh.amritap...@gmail.com wrote: Hi I created a python application which consists of multiple python files and a configuration file. I am not sure, how can I distribute it. I read distutils2 documentation and a few blogs on python packaging. But I still have the following questions. 1. My package has a configuration file which has to be edited by the user. How do we achieve that? 2. Should the user directly edit the configuration file, or there would be an interface for doing it...?(I remember my sendmail installations in Debian/Ubuntu. It would ask a bunch of questions and the cfg file would be ready) I am just confused how to go about... thanks suresh -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: [Python] Why I need the parameter when the call doesn't use it?
On Mon, 29 Aug 2011 12:34 pm Ben Finney wrote: Chris Gonnerman ch...@gonnerman.org writes: On 08/28/2011 07:26 PM, Niklas Rosencrantz wrote: class A(BaseHandler, blobstore_handlers.BlobstoreUploadHandler): def is_submitter_human(self): is_submitter_human() isn't a function, it's a method. No, that's not true and may lead to future confusion. Rather, it is a function *and* a method. Not all functions are methods, but all methods are functions. Wouldn't it be more accurate to say that methods *wrap* functions? class C(object): ... def spam(self): ... pass ... C().spam bound method C.spam of __main__.C object at 0xb7e975cc C().spam.im_func function spam at 0xb7e8c25c (At least for pure Python methods... those written in C, such as for the built-in types, don't.) Methods are always called with a reference to the class instance Also not true, but perhaps too subtle an issue to explore in this thread. But for the record, you have normal instance methods, class methods, static methods, and any other sort of method you can create using the descriptor protocol, such as this one: http://code.activestate.com/recipes/577030-dualmethod-descriptor/ But as Ben hints at, this is getting into fairly advanced territory. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Interact with SQL Database using Python 2.4 or lower
Hello I have an website on an Australian webhost. I have designed my website to allow people to login their login details are stored in an SQLite3 database. I interact with the SQLite3 database using pythons SQLite3 module(found only in python2.5 up) My Problem: the webhost runs Python 2.4 so I cannot communicate with(query or modify) my SQLite3 database. The webhost will not allow me to install my own version of python or upload modules unless I upgrade to VPS. What do you think are my options to still be able to work/interface with my SQL database? Do you know of way to interact with a SQL database using python modules from Python 2.4 or earlier? Do you know of a python 2.4 module that will let me interact with an SQL database(can be MySQL, SQLite, etc.)? -- http://mail.python.org/mailman/listinfo/python-list
Re: Interact with SQL Database using Python 2.4 or lower
On 8/28/11 9:49 PM, Sascha wrote: My Problem: the webhost runs Python 2.4 so I cannot communicate with(query or modify) my SQLite3 database. The webhost will not allow me to install my own version of python or upload modules unless I upgrade to VPS. Get a new webhost. Seriously. This is a seriously absurd requirement -- it goes past absurd into malicious incompetence, frankly. Not being able to upload your own modules? There has to be another option. Personally, I'm a major fan of Webfaction -- from price to plans to what's supported to actual effectiveness of their tech support. But I don't know if they have a warehouse in Australia, if their latency with any of their various data centers is suitable for you. Maybe, maybe not -- but there /has/ to be a better option then this site... Good hosts these days are not all that uncommon and are fairly competitive. -- Stephen Hansen ... Also: Ixokai ... Mail: me+list/python (AT) ixokai (DOT) io ... Blog: http://meh.ixokai.io/ signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: Interact with SQL Database using Python 2.4 or lower
On Mon, Aug 29, 2011 at 3:09 PM, Stephen Hansen me+list/pyt...@ixokai.io wrote: Get a new webhost. ... But I don't know if they have a warehouse in Australia, if their latency with any of their various data centers is suitable for you. Maybe, maybe not -- but there /has/ to be a better option then this site... Good hosts these days are not all that uncommon and are fairly competitive. Having burnt my fingers with a couple of web hosts, and finally decided to host my own web site, I have one major piece of advice regarding this: Get a personal recommendation. Don't sign up with any hosting service unless you have advice from someone you trust who has used that service and been happy with it. I'm sure good hosts aren't uncommon, but nor are bad hosts, and it's easy to get caught up with a lot of hassles and outages. BTW, don't take the fact that I host my own site as a negative recommendation for every hosting company out there. My requirements are somewhat unusual - I want to host a MUD, not just a web site. Hosts that let you do THAT much are usually quite expensive :) ChrisA -- http://mail.python.org/mailman/listinfo/python-list
Re: Interact with SQL Database using Python 2.4 or lower
On 8/28/11 10:23 PM, Chris Angelico wrote: On Mon, Aug 29, 2011 at 3:09 PM, Stephen Hansen me+list/pyt...@ixokai.io wrote: Get a new webhost. ... But I don't know if they have a warehouse in Australia, if their latency with any of their various data centers is suitable for you. Maybe, maybe not -- but there /has/ to be a better option then this site... Good hosts these days are not all that uncommon and are fairly competitive. Having burnt my fingers with a couple of web hosts, and finally decided to host my own web site, I have one major piece of advice regarding this: Get a personal recommendation. This is good advice, though with prices as they are in many cases -- provided you don't need to start out immediately solid and have some development wiggle-room -- its not a bad thing to experiment. Just don't get too tied to a certain host until you feel them out. Sending them emails with detailed questions before you sign up is a good thing, for example. Good hosts will respond with detailed, specific answers, from real people. Bad hosts will point you to a vague website or stock reply. Real people, reading your real questions, and answering with real answers is a major, major sign of the kind of company I want to do business with. (Bonus points if they respond to complex, technical and legal questions with specific answers within 24 hours -- bonus++ points if the non-legal questions usually get responses in 1, at absurd times even). BTW, don't take the fact that I host my own site as a negative recommendation for every hosting company out there. My requirements are somewhat unusual - I want to host a MUD, not just a web site. Hosts that let you do THAT much are usually quite expensive :) Hehe, I don't want to get overly advertising in my comments (so I'm so not including a referrer link anywhere), but amusingly enough, my first Webfaction account was signed up for the MUD reason. They officially don't give a rats ass what you run in the background, provided you're just not using more then your RAM allotment and that its not spiking the CPU to a point that affects the rest of the system. I have one account that runs a mud, one that does often semi-significant background processing regularly via cron jobs (which they mailed me about once when it got out of hand-- but they were entirely professional and nice about it, and I fixed it with some controls so it behaved in a more friendly way towards the rest of the system), and one for my personal site where I run an IRC bouncer on, and all is cool. (Why three accounts? One is paid for by a client, one half by me, one by me -- it was just easier, and no way it all would fit under a single plan) Anyways. I shall not further ramble as a satisfied-customer. -- Stephen Hansen ... Also: Ixokai ... Mail: me+list/python (AT) ixokai (DOT) io ... Blog: http://meh.ixokai.io/ signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: On re / regex replacement
On 28 août, 20:40, MRAB pyt...@mrabarnett.plus.com wrote: ... The regex module tries to be drop-in compatible. It supports the LOCALE flag only because the re module has it. Even Perl has something similar. ... Ok. That's quite logical. jmf -- http://mail.python.org/mailman/listinfo/python-list
Web hosting when you need to install your own modules (was Re: Interact with SQL Database using Python 2.4 or lower)
On Mon, Aug 29, 2011 at 3:39 PM, Stephen Hansen me+list/pyt...@ixokai.io wrote: Just don't get too tied to a certain host until you feel them out. Sending them emails with detailed questions before you sign up is a good thing, for example. That helps a lot, but the problems I had with my most recent pay-for web host were less obvious: * Outages that were scheduled, but not notified in a way that I had noticed (it was on their web site, but they didn't mail my registered other email address) * Fine print on their uptime policy that explicitly excluded scheduled outages, and considerably lengthier and more numerous scheduled outages than I would have normally considered reasonable * DNS record changes required a support ticket (this was shared web hosting, so I didn't have control over the BIND files - that's what they said, anyway) * Some sort of weird lack of internal communication that meant that they didn't ever close our account. I still, to this day, am getting emails from their server saying Hey, you have some package-installed software that's out of date, you should log in and update it. I cannot log in as our account has been suspended for non-payment. I cannot close the account as it is suspended. They somehow didn't get the message four months before the suspension, following their policy strictly, requesting closure. So... yeah. Hopefully, this is a rare situation, but that's why I would look for a personal reference. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
[issue2636] Regexp 2.7 (modifications to current re 2.2.2)
Steven D'Aprano steve+pyt...@pearwood.info added the comment: I'm not sure if this belongs here, or on the Google code project page, so I'll add it in both places :) Feature request: please change the NEW flag to something else. In five or six years (give or take), the re module will be long forgotten, compatibility with it will not be needed, so-called new features will no longer be new, and the NEW flag will just be silly. If you care about future compatibility, some sort of version specification would be better, e.g. VERSION=0 (current re module), VERSION=1 (this regex module), VERSION=2 (next generation). You could then default to VERSION=0 for the first few releases, and potentially change to VERSION=1 some time in the future. Otherwise, I suggest swapping the sense of the flag: instead of re behaviour unless NEW flag is given, I'd say re behaviour only if OLD flag is given. (Old semantics will, of course, remain old even when the new semantics are no longer new.) -- nosy: +stevenjd ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue2636 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12731] python lib re uses obsolete sense of \w in full violation of UTS#18 RL1.2a
Ezio Melotti ezio.melo...@gmail.com added the comment: Or the re module should be *replaced* by the code from the regex module (but renamed to re, and with certain backwards compatibilities restored, probably). This is what I meant. But I really hope the re module (really: the _sre extension module) can be fixed. Start fixing these issues from scratch doesn't make much sense IMHO. We could extract the fixes from regex and merge them in re, but then again it's probably easier to just replace the whole module. We should also make a habit in our docs of citing specific versions of the Unicode standard, and specific TR numbers and versions where they apply. While this is a good thing it's not always doable. Usually someone reports a bug related to something specified in some standard and only that part gets fixed. Sometimes everything else is also updated to follow the whole standard, but often this happens incrementally, so we can't say, e.g., the re module supports Unicode x.y unless we go through the whole standard and fix/implements everything. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12731 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12731] python lib re uses obsolete sense of \w in full violation of UTS#18 RL1.2a
Ezio Melotti ezio.melo...@gmail.com added the comment: But I really hope the re module (really: the _sre extension module) can be fixed. If you mean on 2.7/3.2, then I guess we could extract the fixes from regex, but we have to see if it's doable and someone will have to do it. Also consider that the regex module is available for 2.7/3.2, so we could suggest the users to use it if they have problems with the re bugs (even if that means having an additional dependency). ISTM that current plan is: * replace re with regex (and rename it) on 3.3 and fix all these bugs; * leave 2.7 and 3.2 with the old re and its bugs; * let people use the external regex module on 2.7/3.2 if they need to. If this is not ok, maybe it should be discussed on python-dev. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12731 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12839] zlibmodule cannot handle Z_VERSION_ERROR zlib error
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset ba5000307b5d by Nadeem Vawda in branch '2.7': Issue #12839: Fix crash in zlib module due to version mismatch. http://hg.python.org/cpython/rev/ba5000307b5d New changeset cc9e794bf94f by Nadeem Vawda in branch '3.2': Issue #12839: Fix crash in zlib module due to version mismatch. http://hg.python.org/cpython/rev/cc9e794bf94f New changeset b384231df332 by Nadeem Vawda in branch 'default': Merge: #12839: Fix crash in zlib module due to version mismatch. http://hg.python.org/cpython/rev/b384231df332 -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12839 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12759] (?P=) input for Tools/scripts/redemo.py raises unnhandled exception
Alexander fred...@mail.ru added the comment: I would like to make a patch. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12759 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12720] Expose linux extended filesystem attributes
Benjamin Peterson benja...@python.org added the comment: And here is the next version, taking into account neologix's review. -- Added file: http://bugs.python.org/file23056/xattrs.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12720 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset ff6adb867f40 by Charles-François Natali in branch '2.7': Issue #12287: Fix a stack corruption in ossaudiodev module when the FD is http://hg.python.org/cpython/rev/ff6adb867f40 -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
STINNER Victor victor.stin...@haypocalc.com added the comment: The _socket module doesn't compile anymore on Windows: Build started: Project: _socket, Configuration: Debug|Win32 Compiling... socketmodule.c 29..\Modules\socketmodule.c(1649) : warning C4013: '_PyIsSelectable_fd' undefined; assuming extern returning int Linking... Creating library d:\cygwin\home\db3l\buildarea\2.7.bolen-windows\build\PCbuild\\_socket_d.lib and object d:\cygwin\home\db3l\buildarea\2.7.bolen-windows\build\PCbuild\\_socket_d.exp socketmodule.obj : error LNK2019: unresolved external symbol __PyIsSelectable_fd referenced in function _sock_accept d:\cygwin\home\db3l\buildarea\2.7.bolen-windows\build\PCbuild\\_socket_d.pyd : fatal error LNK1120: 1 unresolved externals Build log was saved at file://d:\cygwin\home\db3l\buildarea\2.7.bolen-windows\build\PCbuild\Win32-temp-Debug\_socket\BuildLog.htm _socket - 2 error(s), 1 warning(s) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
Charles-François Natali neolo...@free.fr added the comment: STINNER Victor victor.stin...@haypocalc.com added the comment: The _socket module doesn't compile anymore on Windows: Fixed (that's why I wanted a Windows expert to have a look at this patch :-). You might replace #if defined(_MSC_VER) with #if defined (MS_WINDOWS), but in another commit. I'd rather not modify code I don't understand. Plus, I have a really poor Windows karma... -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12837] Patch for issue #12810 removed a valid check on socket ancillary data
Charles-François Natali neolo...@free.fr added the comment: That has since been changed. I'm reading from POSIX.1-2008, which says: I see. The warning against using values larger than 2**32 - 1 is still there, I presume because they would not fit in a 32-bit signed int. I assume you mean 2**31 - 1. I take it you mean CMSG_FIRSTHDR here Indeed. IIRC, I saw an implementation in old FreeBSD headers that did not check msg_controllen, and hence did not return NULL as RFC 3542 requires. Alright, that's all I wanted to know. That said, the fact remains that the compiler warning is spurious if msg_controllen can be signed on some systems, and I still don't think decreasing the robustness of the code (particularly against any future modifications to that code) just for the sake of silencing a spurious warning is a good thing to do. People can read the comment above the offending line and see that the compiler has got it wrong. Well, the compiler does not get it wrong. If socklen_t is defined as an unsigned int, it has no way of knowing that it might be defined as signed int on other platforms. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12837 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12841] Incorrect tarfile.py extraction
Lars Gustäbel l...@gustaebel.de added the comment: The patch is fine. Thank you very much for it, Sebastien. I think we have to go without a unit test. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12841 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset 852ca32eb18d by Charles-François Natali in branch '3.2': Issue #12287: Fix a stack corruption in ossaudiodev module when the FD is http://hg.python.org/cpython/rev/852ca32eb18d New changeset ad1c09b6a5b9 by Charles-François Natali in branch 'default': Issue #12287: Fix a stack corruption in ossaudiodev module when the FD is http://hg.python.org/cpython/rev/ad1c09b6a5b9 -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12837] Patch for issue #12810 removed a valid check on socket ancillary data
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset 3ed2d087e70d by Charles-François Natali in branch 'default': Issue #12837: POSIX.1-2008 allows socklen_t to be a signed integer: re-enable http://hg.python.org/cpython/rev/3ed2d087e70d -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12837 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12837] Patch for issue #12810 removed a valid check on socket ancillary data
Charles-François Natali neolo...@free.fr added the comment: Thanks for the patch. For the record, here's Linus Torvalds' opinion on this whole socklen_t confusion: _Any_ sane library _must_ have socklen_t be the same size as int. Anything else breaks any BSD socket layer stuff. POSIX initially did make it a size_t, and I (and hopefully others, but obviously not too many) complained to them very loudly indeed. Making it a size_t is completely broken, exactly because size_t very seldom is the same size as int on 64-bit architectures, for example. And it has to be the same size as int because that's what the BSD socket interface is. Anyway, the POSIX people eventually got a clue, and created socklen_t. They shouldn't have touched it in the first place, but once they did they felt it had to have a named type for some unfathomable reason (probably somebody didn't like losing face over having done the original stupid thing, so they silently just renamed their blunder). -- resolution: - fixed stage: - committed/rejected status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12837 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12720] Expose linux extended filesystem attributes
Antoine Pitrou pit...@free.fr added the comment: Is it normal that listxattr() succeeds but getxattr() fails with ENOTSUPP? os.listxattr(/) [] os.getxattr(/, foo) Traceback (most recent call last): File stdin, line 1, in module OSError: [Errno 95] Operation not supported This is on 2.6.38.8. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12720 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8426] multiprocessing.Queue fails to get() very large objects
Changes by Charles-François Natali neolo...@free.fr: -- components: +Documentation -Library (Lib) nosy: +docs@python priority: normal - low ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8426 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12537] mailbox's _become_message is very fragile
Changes by Kasun Herath kasun...@gmail.com: -- nosy: +kasun ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12537 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12720] Expose linux extended filesystem attributes
Benjamin Peterson benja...@python.org added the comment: 2011/8/28 Antoine Pitrou rep...@bugs.python.org: Antoine Pitrou pit...@free.fr added the comment: Is it normal that listxattr() succeeds but getxattr() fails with ENOTSUPP? os.listxattr(/) [] os.getxattr(/, foo) Traceback (most recent call last): File stdin, line 1, in module OSError: [Errno 95] Operation not supported The reason you're getting ENOSUP is you have to use the proper prefix. user.* for example. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12720 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12720] Expose linux extended filesystem attributes
Benjamin Peterson benja...@python.org added the comment: After Antoine's review... -- Added file: http://bugs.python.org/file23057/xattrs.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12720 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue11969] Can't launch multiproccessing.Process on methods
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[issue4028] Problem compiling the multiprocessing module on sunos5
Charles-François Natali neolo...@free.fr added the comment:
Hello,
there's some issues compiling the multiprocessing module on the SunOS
I have here, where CMSG_LEN, CMSG_ALIGN, CMSG_SPACE and sem_timedwait
are absent.
CMSG_LEN and friends should be defined by sys/socket.h (as required by
POSIX). SunOS 5.10 man page lists them:
http://download.oracle.com/docs/cd/E19253-01/816-5173/socket.h-3head/index.html
But not the SunOS 5.9 version:
http://ewp.rpi.edu/hartford/webgen/sysdocs/C/solaris_9/SUNWaman/hman3head/socket.3head.html
it looks like simply defining the first three macros like this works
It works, but it's probably not a good idea: if the headers don't define
CMSG_LEN and friends, then FD passing will probably not work.
It'd be better to not compile multiprocessing_(sendfd|recvfd) if CMSG_LEN is
not defined (patch attached).
sem_timedwait are absent.
Hmmm.
Do you have the compilation's log?
Normally, if sem_timedwait isn't available, HAVE_SEM_TIMEDWAIT shouldn't be
defined, and we should fallback to sem_trywait (by the way, calling sem_trywait
multiple times until the timeout expires is not the same has calling
sem_timedwait: this will fail in case of heavy contention).
So this should build correctly.
And this seems even stranger when I read Sebastian's message:
so I had to commented out HAVE_SEM_TIMEDWAIT from setup.py, see:
elif platform.startswith('sunos5'):
macros = dict(
HAVE_SEM_OPEN=1,
HAVE_FD_TRANSFER=1
)
#HAVE_SEM_TIMEDWAIT=0,
libraries = ['rt']
Makes sense.
If we define HAVE_SEMTIMEDWAIT=0, then code guarded by
#ifdef HAVE_SEMTIMEDWAIT
will be compiled, and the linker won't be able to resolve sem_timedwait.
The preprocessor just checks that the symbol is defined, not that it has a
non-zero value.
To sum up: could someone with a SunOS box test the attached patch, and post the
compilation logs if it still fails?
--
keywords: +patch
nosy: +neologix
Added file: http://bugs.python.org/file23058/multiprocessing_sendfd.diff
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[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
Charles-François Natali neolo...@free.fr added the comment: Alright, committed to 2.7, 3.2 an default. Seems to work on all the buildbots, closing. -- resolution: - fixed stage: patch review - committed/rejected status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12731] python lib re uses obsolete sense of \w in full violation of UTS#18 RL1.2a
Guido van Rossum gu...@python.org added the comment: [me] But I really hope the re module (really: the _sre extension module) can be fixed. [Ezio] Start fixing these issues from scratch doesn't make much sense IMHO. We could extract the fixes from regex and merge them in re, but then again it's probably easier to just replace the whole module. I have changed my mind at least half-way. I am open to having regex (with some changes, details TBD) replace re in 3.3. (I am not yet 100% convinced, but I'm not rejecting it as strongly as I was when I wrote that comment in this bug. See the ongoing python-dev discussion on this topic.) We should also make a habit in our docs of citing specific versions of the Unicode standard, and specific TR numbers and versions where they apply. While this is a good thing it's not always doable. Usually someone reports a bug related to something specified in some standard and only that part gets fixed. Sometimes everything else is also updated to follow the whole standard, but often this happens incrementally, so we can't say, e.g., the re module supports Unicode x.y unless we go through the whole standard and fix/implements everything. Hm. I think that for Unicode it may actually be important enough to be consistent in following the whole standard that we should attempt to be consistent and not just chase bug reports. Now, we may consciously decide not to implement a certain recommendation of the standard. E.g. I'm not going to require that IronPython or Jython have string objects that support O(1) indexing of code points, even (assuming PEP 393 gets accepted) CPython will have them. But these decisions should be made explicitly, and documented clearly. Ideally, we need a Unicode czar -- a core developer whose job it is to keep track of Python's compliance with various parts and versions of the Unicode standard and who can nudge other developers towards fixing bugs or implementing features, or update the documentation in case things don't get added. (I like Tom's approach to Java 1.7, where he submitted proposed doc fixes explaining the deviations from the standard. Perhaps a bit passive-aggressive, but it was effective. :-) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12731 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12736] Request for python casemapping functions to use full not simple casemaps per Unicode's recommendation
Guido van Rossum gu...@python.org added the comment: Thanks Tom for such a clear explanation! I hope someone will implement this. (Matthew, does this affect regex? I am guessing it does, for case-insensitive matching?) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12736 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12729] Python lib re cannot handle Unicode properly due to narrow/wide bug
Guido van Rossum gu...@python.org added the comment: PEP-393 will take care of iterating by code points. Only for CPython. IronPython/Jython will still need a separate solution. Where would you have other iterators go? The string module? Something else I have not thought of? Or something new? Undecided. But I think we may want to create a new module which provides various APIs specifically for apps that need care when dealing with Unicode. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12729 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12797] io.FileIO and io.open should support openat
Terry J. Reedy tjre...@udel.edu added the comment: I prefer a new parameter either at the end of the arglist or possibly keyword only. The idea for both variations is to let typical users ignore the option, which would be hard to do if it is part of the prime parameter. The idea for keyword only is that we might want to add other rarely used but useful options. They have no natural order, and having say, 8 positional params is pretty wretched. (I have worked with such APIs.) -- nosy: +terry.reedy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12797 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12731] python lib re uses obsolete sense of \w in full violation of UTS#18 RL1.2a
Ezio Melotti ezio.melo...@gmail.com added the comment: Ideally, we need a Unicode czar -- a core developer whose job it is to keep track of Python's compliance with various parts and versions of the Unicode standard and who can nudge other developers towards fixing bugs or implementing features, or update the documentation in case things don't get added. We should first do a full review of the latest Unicode standard and see what's missing. I think there might be parts of older Unicode versions (even Unicode 5) that are not yet implemented. Chapter 3 is a good place where to start, but I'm not sure that's enough -- there are a few TRs that should be considered as well. If we manage to catch up with Unicode 6, then it shouldn't be too difficult to review the changes that every new version will introduce and open an issue for each (or a single issue if the changes are limited). FWIW I'm planning to look at the conformance of the UTF codecs and fix them (if necessary) whenever I'll have time. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12731 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12805] Optimizations for bytes.join() et. al
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[issue12815] Coverage of smtpd.py
Changes by Terry J. Reedy tjre...@udel.edu: -- components: +Library (Lib), Tests versions: +Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12815 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12814] Possible intermittent bug in test_array
Terry J. Reedy tjre...@udel.edu added the comment: Which Python version? 3.3? -- components: +Library (Lib), Tests nosy: +terry.reedy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12814 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12808] Coverage of codecs.py
Changes by Terry J. Reedy tjre...@udel.edu: -- components: +Library (Lib), Tests versions: +Python 3.3 -Python 3.4 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12808 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12816] smtpd uses library outside of the standard libraries
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[issue12829] pyexpat segmentation fault caused by multiple calls to Parse()
Terry J. Reedy tjre...@udel.edu added the comment: A note for anyone else: David is actually using the xml.parsers.expat module, which uses the now undocumented pyexpat module, whose direct use is deprecated. David: Have you tested with 3.1 or 3.2? (I am about to try on Windows ;-). -- nosy: +terry.reedy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12829 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12829] pyexpat segmentation fault caused by multiple calls to Parse()
Terry J. Reedy tjre...@udel.edu added the comment: Running with IDLE on Windows, I get no crash or uncaught exception but got these printed lines: An error occurred during XML parsing. Error ID: 9. Error message: junk after document element Line number: 1 An error occurred during XML parsing. Error ID: 9. Error message: junk after document element Line number: 1 An error occurred during XML parsing. Error ID: 9. Error message: junk after document element An error occurred during XML parsing. Error ID: 9. Error message: junk after document element Line number: 1 An error occurred during XML parsing. Error ID: 9. Error message: junk after document element Line number: 1 An error occurred during XML parsing. Error ID: 9. Error message: junk after document element Is this the correct, expected output? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12829 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12836] ctypes.cast() creates circular reference in original object
Terry J. Reedy tjre...@udel.edu added the comment: What action are you suggesting? Change ctypes code or its doc or something else. If the doc, please suggest a specific change. Can you test on 3.x? -- nosy: +terry.reedy title: cast() creates circular reference in original object - ctypes.cast() creates circular reference in original object ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12836 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12843] file object read* methods in append mode overflows
Terry J. Reedy tjre...@udel.edu added the comment: I have confirmed that this only happens in windows. This would literally mean that you tested on several other systems. Did you actually mean 'I have only confirmed that this happens in Windows., that you only tested on Windows? The 2.6 series is in security-fix only mode. -- nosy: +terry.reedy versions: -Python 2.6 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12843 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12736] Request for python casemapping functions to use full not simple casemaps per Unicode's recommendation
Matthew Barnett pyt...@mrabarnett.plus.com added the comment: The regex module currently uses simple case-folding, although I'm working towards full case-folding, as listed in http://www.unicode.org/Public/UNIDATA/CaseFolding.txt. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12736 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12849] urllib2 headers issue
New submission from Shubhojeet Ghosh shubhojeet.gh...@yahoo.com:
There seems to be an issue with urllib2
The headers defined does not match with the physical data packet (from
wireshark). Other header parameters such as User Agent, cookie works fine.
Here is an example of a failure:
Python Code:
import urllib2
url = http://www.python.org;
req = urllib2.Request(url)
req.add_header('Connection',keep-alive)
u = urllib2.urlopen(req)
Wireshark:
GET / HTTP/1.1
Accept-Encoding: identity
Connection: close
Host: www.python.org
User-Agent: Python-urllib/2.6
--
components: IO
messages: 143120
nosy: orsenthil, shubhojeet.ghosh
priority: normal
severity: normal
status: open
title: urllib2 headers issue
type: behavior
versions: Python 2.6
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[issue12841] Incorrect tarfile.py extraction
STINNER Victor victor.stin...@haypocalc.com added the comment: Should this bug be fixed in 3.3, or 2.7+3.2+3.3? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12841 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
