Re: MailingLogger 3.4.0 Released!
Heh, of course, I forgot the setuptools-git extension to make include_package_data=True work, so this release was pretty useless, other than the docs on packages.python.org/testfixtures ;-) Anyway, 3.4.1 has now been released which fixes this! cheers, Chris On 17/08/2011 23:37, Chris Withers wrote: I'm pleased to announce a new release of Mailinglogger. Mailinglogger provides two handlers for the standard python logging framework that enable log entries to be emailed either as the entries are logged or as a summary at the end of the running process. The handlers have the following features: - customisable and dynamic subject lines for emails sent - emails sent with a configurable headers for easy filtering - flood protection to ensure the number of emails sent is not excessive - support for SMTP servers that require authentication - fully documented and tested This release has no functional changes but finally ships with a full new set of Sphinx docs: http://packages.python.org/mailinglogger/ For more information, please see: http://www.simplistix.co.uk/software/python/mailinglogger or http://pypi.python.org/pypi/mailinglogger cheers, Chris -- Simplistix - Content Management, Batch Processing Python Consulting - http://www.simplistix.co.uk -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
[ANNOUNCE] PySide 1.0.6 - Isolino: Python for Qt released!
The PySide team is proud to announce the monthly release version 1.0.6 of PySide project. Major changes == . New documentation layout; . Fixed some regressions from the last release (1.0.5); . Optimizations during anonymous connection; About PySide PySide is the Nokia-sponsored Python Qt bindings project, providing access to not only the complete Qt 4.7 framework but also Qt Mobility, as well as to generator tools for rapidly generating bindings for any C++ libraries. The PySide project is developed in the open, with all facilities you'd expect from any modern OSS project such as all code in a git repository [2], an open Bugzilla [3] for reporting bugs, and an open design process [4]. We welcome any contribution without requiring a transfer of copyright. List of bugs fixed == 972 anchorlayout.py of graphicsview example raised a unwriteable memory exception when exits 953 Segfault when QObject is garbage collected after QTimer.singeShot 951 ComponentComplete not called on QDeclarativeItem subclass 965 Segfault in QtUiTools.QUiLoader.load 958 Segmentation fault with resource files 944 Segfault on QIcon(None).pixmap() 941 Signals with QtCore.Qt types as arguments has invalid signatures 964 QAbstractItemView.moveCursor() method is missing 963 What's This not displaying QTableWidget column header information as in Qt Designer 961 QColor.__repr__/__str__ should be more pythonic 960 QColor.__reduce__ is incorrect for HSL colors 950 implement Q_INVOKABLE 940 setAttributeArray/setUniformValueArray do not take arrays 931 isinstance() fails with Signal instances 928 100's of QGraphicItems with signal connections causes slowdown 930 Documentation mixes signals and functions. 923 Make QScriptValue (or QScriptValueIterator) implement the Python iterator protocol 922 QScriptValue's repr() should give some information about its data 900 QtCore.Property as decorator 895 jQuery version is outdated, distribution code de-duplication breaks documentation search 731 Can't specify more than a single 'since' argument 983 copy.deepcopy raises SystemError with QColor 947 NETWORK_ERR during interaction QtWebKit window with server 873 Deprecated methods could emit DeprecationWarning 831 PySide docs would have a Inherited by list for each class Download The files can be downloaded from PySide download page[2] References == [1] http://lists.pyside.org/pipermail/pyside/2011-July/002648.html [2] http://qt.gitorious.org/pyside [3] http://bugs.openbossa.org/ [4] http://www.pyside.org/docs/pseps/psep-0001.html [5] http://developer.qt.nokia.com/wiki/PySideDownloads -- Renato Araujo Oliveira Filho Instituto Nokia de Tecnologia - INdT -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
Re: how to write the lambda expression in my tkinter ?
2011/8/22 守株待兔 1248283...@qq.com:
from Tkinter import *
fields = 'Name', 'Job', 'Pay'
def fetch(event,entries):
for entry in entries:
print 'Input = %s' % entry.get() # get text
print event.widget
def makeform(root, fields):
entries = []
for field in fields:
row = Frame(root) # make a new row
lab = Label(row, width=5, text=field) # add label, entry
ent = Entry(row)
row.pack(side=TOP, fill=X) # pack row on top
lab.pack(side=LEFT)
ent.pack(side=RIGHT, expand=YES, fill=X)# grow horizontal
entries.append(ent)
return entries
if __name__ == '__main__':
root = Tk()
ents = makeform(root, fields)
root.bind('Return', lambda event,entries=ents: fetch(event,entries))
Button(root, text='Fetch', command= lambda event:fetch(event,entries)).pack(side=LEFT)
root.mainloop()
when you run it ,press enter ,you can get the value in the entry;when you
click the Button(Fetch),there is a wrong output ,i can't revise it,i know
it is the 26 can't run ,how to fix it ?
Button(root, text='Fetch', command= lambda event:fetch(event,entries)).pack(side=LEFT)
Problem 1: `entries` is undefined within the scope of the lambda; it's
not a parameter of the lambda, nor is it defined in any outer scope
that encloses the lambda. This will lead to a NameError. `ents` is /
would be within scope however...(*wink*)
Problem 2: Based on quick experimentation, Tkinter does not pass
`command` any arguments, yet your lambda has 1 required argument
(namely, `event`). This will cause a run-time error when the lambda is
called.
That should be enough to get you started.
Cheers,
Chris
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Re: try... except with unknown error types
Chris Angelico ros...@gmail.com writes: Ehh, granted. Definitely a case of should. But certainly, there won't be an infinite number of new exceptions invented; Right, the number is finite, but the issue is that it's unknown. It's like never knowing whether you've fixed the last bug in a program. -- http://mail.python.org/mailman/listinfo/python-list
Re: Adding modified methods from another class without subclassing
On Mon, 22 Aug 2011 11:08 pm John O'Hagan wrote:
On Mon, 22 Aug 2011 15:27:36 +1000
Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
[...]
# Untested
class MySeq(object):
methods_to_delegate = ('__getitem__', '__len__', ...)
pitches = ... # make sure pitches is defined
def __getattr__(self, name):
if name in self.__class__.methods_to_delegate:
return getattr(self.pitches, name)
return super(MySeq, object).__getattr__(self, name)
# will likely raise AttributeError
Thanks, this looks promising. I didn't know about __getattr__ or
delegation. This example doesn't seem to work as is for special methods
beginning with __ (e.g.: TypeError: object of type 'MyList' has no
len()). It seems that __getattr__ is not called for special methods.
Ah yes, that would be a problem.
This recipe may help.
http://code.activestate.com/recipes/252151-generalized-delegates-and-proxies/
Also, it doesn't immediately suggest to me a way of modifying method calls
(maybe __setattr__?).
What do you mean, modifying method calls?
__getattr__ doesn't know whether the method retrieved modifies the instance
or not. That's irrelevant.
__setattr__ is called when you say
instance.attribute = value
But it's certainly a neater way to get methods to
operate on the attribute. I'm looking into it, and delegation generally.
However, I don't understand what the super call is doing. If the method
isn't delegated, shouldn't it just fall back to getattr(self, name)?
getattr(self, name) will just call self.__getattr__(name) again, which will
call getattr, and so on... leading to RecursionError.
--
Steven
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Re: CGI input: Filter dict.update() unwanted variables
On Mon, Aug 22, 2011 at 4:39 PM, Miki Tebeka miki.teb...@gmail.com wrote:
You can check if there is a non-allowed variable and then return HTTP error.
if set(form) - set(allowedVariables):
print('Status: 406\n\n')
raise SystemExit()
I'd be disinclined to do this; ignore unrecognized query variables,
but don't throw back an error. Sometimes it's convenient to let the
browser send a junk header that the server will ignore - helps with
integration with other systems. As long as you can be sure that the
script won't do the wrong thing, it should be fine to have an extra
bit of GET/POST data.
ChrisA
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Re: try... except with unknown error types
On Tue, Aug 23, 2011 at 8:21 AM, Paul Rubin no.email@nospam.invalid wrote: Chris Angelico ros...@gmail.com writes: Ehh, granted. Definitely a case of should. But certainly, there won't be an infinite number of new exceptions invented; Right, the number is finite, but the issue is that it's unknown. It's like never knowing whether you've fixed the last bug in a program. Yeah. Oh, I know when I've fixed the last bug in a program. It's the day the program gets deleted. Until then? Nope. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
Re: Setting the time in Win7
On 22/08/2011 20:42, Bob Greschke wrote: Several people have been hacking away on this computer we are testing on, so I'm not sure what settings -- other than all of them -- have been messed with, but popen(time ...) seems to work, but system(time ...) does not. I'm going to restore the machine to its original state and see what happens. Hoping that this helps: you can programatically set the system time from within Python by using the pywin32 modules, or ctypes if you prefer. The code below works for an already-elevated command prompt by enabling the SystemTime privilege and (crudely) moving the time forward by five minutes by way of showing what's happening before resetting it back. I've commented out the actual SetSystemTime calls just in case anyone cuts-and-pastes indjudiciously. Ideally you should disable the privilege afterwards but I've left that out so as not to clutter the example. code import os, sys import win32api import win32security import ntsecuritycon hToken = win32security.OpenProcessToken ( win32api.GetCurrentProcess (), ntsecuritycon.MAXIMUM_ALLOWED ) time_privilege = win32security.LookupPrivilegeValue (None, win32security.SE_SYSTEMTIME_NAME) win32security.AdjustTokenPrivileges ( hToken, 0, [(time_privilege, win32security.SE_PRIVILEGE_ENABLED)] ) current_time = win32api.GetSystemTime () print Current time:, current_time new_time = list (current_time) new_time[5] += 5 ## print win32api.SetSystemTime (*new_time) print Current time:, win32api.GetSystemTime () ## print win32api.SetSystemTime (*current_time) print Current time:, win32api.GetSystemTime () /code TJG -- http://mail.python.org/mailman/listinfo/python-list
Re: try... except with unknown error types
On Mon, 22 Aug 2011 04:26 am Paul Rubin wrote: The Erlang approach is tempting. Don't catch the exception at all--just let the process crash, and restart it. But that's a more heavyweight operation in Python. You might be interested in this paper: http://usenix.org/events/hotos03/tech/full_papers/candea/candea.pdf -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Re: try... except with unknown error types
On Tuesday, August 23, 2011 04:42:04 AM Chris Angelico did opine: On Tue, Aug 23, 2011 at 8:21 AM, Paul Rubin no.email@nospam.invalid wrote: Chris Angelico ros...@gmail.com writes: Ehh, granted. Definitely a case of should. But certainly, there won't be an infinite number of new exceptions invented; Right, the number is finite, but the issue is that it's unknown. It's like never knowing whether you've fixed the last bug in a program. Yeah. Oh, I know when I've fixed the last bug in a program. It's the day the program gets deleted. Until then? Nope. ChrisA OTOH, ChrisA, I have it on good authority that no program is ever finished, until someone shoots the programmer. :) Cheers, gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) http://204.111.25.156:85/gene/ Practice is the best of all instructors. -- Publilius -- http://mail.python.org/mailman/listinfo/python-list
Re: try... except with unknown error types
On Tue, Aug 23, 2011 at 9:43 AM, gene heskett ghesk...@wdtv.com wrote: OTOH, ChrisA, I have it on good authority that no program is ever finished, until someone shoots the programmer. :) Correct, although I've had projects that were killed by changes to requirements - such as my fantastic system for writing device drivers that leveraged DEBUG.EXE to translate assembly code into machine code, and a REXX script to handle jump labels and such. That project was quite thoroughly finished on the day that I met nasm :) But that's quite off-topic. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
Why __slots__ slows down attribute access?
People have illusion that it is faster to visit the attribute defined
by __slots__ .
http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
That is wrong. The following tests show it is slower.
__slots__ are implemented at the class level by creating descriptors
(Implementing Descriptors) for each variable name. It makes a little
bit slower.
So __slots__ just saves memory space by preventing creation of
__dict__ and __weakref__ on each instance, while sacrifice performance
and inheritance flexibility.
http://groups.google.com/group/comp.lang.python/msg/6623e8b94b6d6934
D:\d:\python-v3.1.2\python -mtimeit -s class A(object): __slots__ =
('a', 'b', 'c') -s inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.237 usec per loop
D:\d:\python-v3.1.2\python -mtimeit -s class A(object): pass -s
inst = A() inst.a=5 inst.b=6; inst.c=7
100 loops, best of 3: 0.214 usec per loop
D:\d:\python-v2.6.4\python -mtimeit -s class A(object): __slots__ =
('a', 'b', 'c') -s inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.26 usec per loop
D:\d:\python-v2.6.4\python -mtimeit -s class A(object): pass -s
inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.217 usec per loop
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Re: Why __slots__ slows down attribute access?
Jack wrote:
People have illusion that it is faster to visit the attribute defined
by __slots__ .
http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
That is wrong. The following tests show it is slower.
Not so fast. Here's what I get (python2.6.4, 64 bit):
$ python -mtimeit -s class A(object): __slots__ = ('a', 'b', 'c') -s
inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.324 usec per loop
$ python -mtimeit -s class A(object): pass -s inst = A() inst.a=5;
inst.b=6; inst.c=7
100 loops, best of 3: 0.393 usec per loop
Now what?
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Re: Why __slots__ slows down attribute access?
On Tue, Aug 23, 2011 at 12:26 PM, Peter Otten __pete...@web.de wrote:
Jack wrote:
People have illusion that it is faster to visit the attribute defined
by __slots__ .
http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
That is wrong. The following tests show it is slower.
Not so fast. Here's what I get (python2.6.4, 64 bit):
$ python -mtimeit -s class A(object): __slots__ = ('a', 'b', 'c') -s
inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.324 usec per loop
$ python -mtimeit -s class A(object): pass -s inst = A() inst.a=5;
inst.b=6; inst.c=7
100 loops, best of 3: 0.393 usec per loop
Now what?
--
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This is what I get on a 64 bit Linux 2.6.39
script:
for v in 2.6 2.7 3.2; do
python$v --version
echo -n (slots) = ;
python$v -mtimeit -s class A(object): __slots__ = ('a', 'b', 'c') -s
inst = A() inst.a=5; inst.b=6; inst.c=7;
echo -n (regular) = ;
python$v -mtimeit -s class A(object): pass -s inst = A() inst.a=5;
inst.b=6; inst.c=7;
done
output:
Python 2.6.5
(slots) = 100 loops, best of 3: 0.219 usec per loop
(regular) = 100 loops, best of 3: 0.231 usec per loop
Python 2.7.2
(slots) = 100 loops, best of 3: 0.244 usec per loop
(regular) = 100 loops, best of 3: 0.285 usec per loop
Python 3.2
(slots) = 100 loops, best of 3: 0.193 usec per loop
(regular) = 100 loops, best of 3: 0.224 usec per loop
-- John-John Tedro
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Re: Why __slots__ slows down attribute access?
On Aug 23, 5:48 am, Jack wujac...@gmail.com wrote:
People have illusion that it is faster to visit the attribute defined
by __slots__
.http://groups.google.com/group/comp.lang.python/msg/c4e413c3d86d80be
That is wrong. The following tests show it is slower.
No, they don't really show anything. The default clocks used by
timeit lack the resolution to measure such things accurately; you're
measuring various noise sources on your system. The range of 100
trials of 1million iterations on my system is 70.3 ms, which is 70ns
when divided by a million, which is about the size of the difference
you show. A 70ns average difference between iterations is trivially
attributable to noise on a modern machine.
Run enough trials or just wait for the moon to move a bit, and I
wouldn't be terribly surprised if you got difference results.
Rebooting your machine might be enough to do it.
Adam
D:\d:\python-v3.1.2\python -mtimeit -s class A(object): __slots__ =
('a', 'b', 'c') -s inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.237 usec per loop
D:\d:\python-v3.1.2\python -mtimeit -s class A(object): pass -s
inst = A() inst.a=5 inst.b=6; inst.c=7
100 loops, best of 3: 0.214 usec per loop
D:\d:\python-v2.6.4\python -mtimeit -s class A(object): __slots__ =
('a', 'b', 'c') -s inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.26 usec per loop
D:\d:\python-v2.6.4\python -mtimeit -s class A(object): pass -s
inst = A() inst.a=5; inst.b=6; inst.c=7
100 loops, best of 3: 0.217 usec per loop
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is there any principle when writing python function
i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
smith jack wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? Five ;) -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
smith jack wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? It's hard to discuss in the abstract. A function should perform a recognizable step in solving the program's problem. If you prepared to write your program by describing each of several operations the program would have to perform, then you might go on to plan a function for each of the described operations. The high-level functions can then be analyzed, and will probably lead to functions of their own. Test-driven development encourages smaller functions that give you a better granularity of testing. Even so, the testable functions should each perform one meaningful step of a more general problem. for example, how many lines should form a function? Maybe as few as one. def increase (x, a): return x+a is kind of stupid, but a more complicated line def expand_template (bitwidth, defs): '''Turn Run-Length-Encoded list into bits.''' return np.array (sum (([bit]*(count*bitwidth) for count, bit in defs), []), np.int8) is the epitome of intelligence. I wrote it myself. Even increase might be useful: def increase (x, a): return x + a * application_dependent_quantity `increase` has become a meaningful operation in the imaginary application we're discussing. For an upper bound, it's harder to say. If you read to the end of a function and can't remember how it started, or what it did in between, it's too big. If you're reading on your favourite screen, and the end and the beginning are more than one page-scroll apart, it might be too big. If it's too big, factoring it into sub-steps and making functions of some of those sub-steps is the fix. Mel. -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
In article mailman.346.1314100765.27778.python-l...@python.org, smith jack thinke...@gmail.com wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? Enough lines to do what the function needs to do, but no more. Seriously, break up your program into functions based on logical groupings, and whatever makes your code easiest to understand. When you're all done, if your program is too slow, run it under the profiler. Use the profiling results to indicate which parts need improvement. It's very unlikely that function call overhead will be a significant issue. Don't worry about stuff like that unless the profiler shows its a bottleneck. Don't try to guess what's slow. My guesses are almost always wrong. Yours will be too. If your program runs fast enough as it is, don't even bother with the profiler. Be happy that you've got something useful and move on to the next thing you've got to do. -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
In article j305uo$pmd$1...@solani.org, Peter Otten __pete...@web.de wrote: smith jack wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? Five ;) Five is right out. -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
smith jack wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? Don't compromise the design and clarity of your code just because you heard some rumors about performance. Also, for any performance question, please consult a profiler. Uli -- Domino Laser GmbH Geschäftsführer: Thorsten Föcking, Amtsgericht Hamburg HR B62 932 -- http://mail.python.org/mailman/listinfo/python-list
Fwd: is there any principle when writing python function
I accidentally sent below mail only to roy. Resending to groups. -- Yönlendirilmiş ileti -- Kimden: Yaşar Arabacı yasar11...@gmail.com Tarih: 23 Ağustos 2011 16:19 Konu: Re: is there any principle when writing python function Kime: Roy Smith r...@panix.com I don't see myself a good python programmer or anything, but just saying what I do. I create function for each of the biggest code blocks that is going to be executed more then once. 2011/8/23 Roy Smith r...@panix.com In article j305uo$pmd$1...@solani.org, Peter Otten __pete...@web.de wrote: smith jack wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? Five ;) Five is right out. -- http://mail.python.org/mailman/listinfo/python-list -- http://yasar.serveblog.net/ -- http://yasar.serveblog.net/ -- http://mail.python.org/mailman/listinfo/python-list
Hiding token information from users
I am making QR codes that cell phone users scan in order to make use of an application. Part of the information is a token that needs to be passed on to the server, but I'd rather not allow a person examining the QR code to be able to see that plain bit of information. I'd like to scramble up the token so that the result: 1) takes up the same (near, or less) number of characters as the original token. 2) They key can be derived from the input, and vise versa. 3) The result is alphanumeric. 4) When one character changes in the source, many characters are likely to change in the result. So if my token is: mytoken2011 The result might be something like: xm23ffz4uuw Then mytoken2012 might yield something very different: d8ru3jdhvhd I was thinking of just stringing up all letters and numbers into a 'wheel' and doing an 18 char rotation on the chars in the token, but that fails #4. The secret is not like the key to Fort Knox. We would rather not have the plain token out there, as it's internal business information, but we don't have to protect the information at all costs. Just making it really inconvenient to extract is fine. Thanks, Tobiah -- http://mail.python.org/mailman/listinfo/python-list
PyDev 2.2.2 Released
Hi All, PyDev 2.2.2 has been released Details on PyDev: http://pydev.org Details on its development: http://pydev.blogspot.com Release Highlights: --- **IPython / Interactive console** * IPython (0.10 or 0.11) is now used as the interactive console backend if PyDev can detect it in the PYTHONPATH. * While waiting for the output of a command, intermediary results are printed in the console. * ANSI color codes are supported in the interactive console. **Code Analysis** * Reporting variables that shadow builtins as warnings. * Fixed issue where __dict__ was not found. **Code completion** * Aliases have a better treatment (i.e.: unittest.assertEqual will show the proper type/parameters). * Improved support for analyzing function builtins where the return type is known (i.e.: open, str.split, etc). **Debugger** * When doing a remote debug session, if the files cannot be found in the local filesystem, PyDev will ask for files in the remote debugger. **Editor** * Files without extension that have a python shebang (e.g.: #!/usr/bin/python in the first line) are automatically opened with the PyDev editor (in the PyDev Package Explorer). **Django** * When the shell command is used in the django custom commands, PyDev no longer uses 100% cpu while it doesn't complete. **Others** * Fixed issue where the * operator was not properly formatted. * When the quick outline dialog is deactivated, it's closed. * Fixed heuristic for finding position for local import. * Fixed compare editor issue with Eclipse 3.2. * Fixed integration issue with latest PyLint. * Fixed deadlock issue on app engine manage window. * More options added to configure the automatic deletion of .pyc files (delete always, never delete, delete only on .py delete). What is PyDev? --- PyDev is a plugin that enables users to use Eclipse for Python, Jython and IronPython development -- making Eclipse a first class Python IDE -- It comes with many goodies such as code completion, syntax highlighting, syntax analysis, refactor, debug and many others. Cheers, -- Fabio Zadrozny -- Software Developer Appcelerator http://appcelerator.com/ Aptana http://aptana.com/ PyDev - Python Development Environment for Eclipse http://pydev.org http://pydev.blogspot.com -- http://mail.python.org/mailman/listinfo/python-list
Re: Python Windows Extensions for Mac
Am 22.08.2011 15:07, schrieb johnny.venter: Chris, thank you for the information. Focusing on Active Directory, I reviewed the info at the following site: http://technet.microsoft.com/en-us/library/cc961766.aspx Based on this, I need to find a module that implements the LDAP APIs. By default, it does not appear that Python can speak this language, I am using version 2.6.1. The module I found is Python-LDAP (http://www.python-ldap.org/). Does anyone have experience using this? LDAP is a protocol, not a language. You are right, LDAP isn't part of the Python standard library. The python-ldap extensions works well with Active Directory. I've used it to write an authentication and authorisation layer for our application. A word of warning: LDAP isn't trivial and AD has its quirks, too. It's going to take you a while to understand its concepts. Christian -- http://mail.python.org/mailman/listinfo/python-list
Directly executing from an egg
I have created an egg file with one source file in it, hello.py (I just want to go through the entire uild/install/execute cycle using egg files). I create it fine, and now I want to execute the eg file directly (i.e. run it without unpacking or easy_install'ing it). So when I invoke it from the directory the egg is in with: python 'hello-1.0-py2.6.egg I get: can't find '__main__.py' in 'hello-1.0-py2.6.egg' How do I remedy this? I've looked through the docs but it seems ambiguous on this point to me. Below is the setup section from my setup.py which I used to create this egg. Thank you, RVince setup( name='hello', version='1.0', description='', author='', author_email='', install_requires=[ SQLAlchemy=0.4, psycopg2, ], zip_safe=False, entry_points= [hello] hello = hello:hello_app , ) -- http://mail.python.org/mailman/listinfo/python-list
why i cannot invoke python script using command line?
but i can invoke it in eclipse, what's wrong? the script refered to another python script in eclipse project. f:\project\src\a.py f:\project\src\lib\b.py there is such lines in a.py from lib import b i can invoke a.py very well in eclipse but failed when using python f:\project\src\a.py, what's wrong? (the error msg shows a.py cannot find b.py) , what should i do in order to run a.py using command line? -- http://mail.python.org/mailman/listinfo/python-list
Methods on file-like objects can only used once on one object?
Hi Python users,
I just realize that my post yesterday shouldn't be specifically for mechanize.
It should be a general question for file-like objects.
f = open('my_file.txt')
print f.readlines()
( prints a list of strings
print f.readlines()
[]
There are quite a few methods for file-like objects that can only be used once
on one object. If I prefer to use some of these methods on one object, one
after another, like:
f.readlines()
f.read()
...
What should I do? Thank you.
- Yingjie
--
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Re: why i cannot invoke python script using command line?
In mailman.350.1314108212.27778.python-l...@python.org smith jack thinke...@gmail.com writes: but i can invoke it in eclipse, what's wrong? the script refered to another python script in eclipse project. f:\project\src\a.py f:\project\src\lib\b.py there is such lines in a.py from lib import b i can invoke a.py very well in eclipse but failed when using python f:\project\src\a.py, what's wrong? (the error msg shows a.py cannot find b.py) , what should i do in order to run a.py using command line? What is your PYTHONPATH environment variable setting? -- 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: why i cannot invoke python script using command line?
On Tue, Aug 23, 2011 at 3:03 PM, smith jack thinke...@gmail.com wrote: but failed when using python f:\project\src\a.py, what's wrong? (the error msg shows a.py cannot find b.py) , what should i do in order to run a.py using command line? From the sound of things, your working directory is not f:\project\src. I recommend you either: 1) Change to that directory first: cd f:\project\src python a.py Or 2) Add to your import path inside a.py: import sys sys.path.append(rf:\project\src) Either method should solve the problem. Chris Angelico -- http://mail.python.org/mailman/listinfo/python-list
Re: Hiding token information from users
How many of these codes do you need, and do they only need to be decrypted at a central server? You might be able to just create random strings of whatever form you want and associate them with the tokens in a database. Then they will be completely opaque. -- http://mail.python.org/mailman/listinfo/python-list
incorporate png/ico to exe and use it in application
hello, I am zsing py2exe to compile exe files. I would like to incorporate png and icon file into exe and then use it during program run (to show it in about dialog and system tray). How can I do it? For example now I use self.staticon.set_from_file(os.path.join(module_path(), icon.ico)) but I would like to prevent user from changeing this icon. Thanks -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
smith jack wrote: i have heard that function invocation in python is expensive, It's expensive, but not *that* expensive. Compare: [steve@sylar ~]$ python3.2 -m timeit 'x = abc.upper()' 100 loops, best of 3: 0.31 usec per loop [steve@sylar ~]$ python3.2 -m timeit -s 'def f(): return abc.upper()' 'f()' 100 loops, best of 3: 0.53 usec per loop So the function call is nearly as expensive as this (very simple!) sample code. But in absolute terms, that's not very expensive at all. If we make the code more expensive: [steve@sylar ~]$ python3.2 -m timeit '(abc*1000)[2:995].upper().lower()' 1 loops, best of 3: 32.3 usec per loop [steve@sylar ~]$ python3.2 -m timeit -s 'def f(): return (abc*1000 [2:995].upper().lower()' 'f()' 1 loops, best of 3: 33.9 usec per loop the function call overhead becomes trivial. Cases where function call overhead is significant are rare. Not vanishingly rare, but rare enough that you shouldn't worry about them. but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? About as long as a piece of string. A more serious answer: it should be exactly as long as needed to do the smallest amount of work that makes up one action, and no longer or shorter. If you want to maximise the programmer's efficiency, a single function should be short enough to keep the whole thing in your short-term memory at once. This means it should consist of no more than seven, plus or minus two, chunks of code. A chunk may be a single line, or a few lines that together make up a unit, or if the lines are particularly complex, *less* than a line. http://en.wikipedia.org/wiki/The_Magical_Number_Seven,_Plus_or_Minus_Two http://www.codinghorror.com/blog/2006/08/the-magical-number-seven-plus-or-minus-two.html (Don't be put off by the use of the term magical -- there's nothing literally magical about this. It's just a side-effect of the way human cognition works.) Anything longer than 7±2 chunks, and you will find yourself having to scroll backwards and forwards through the function, swapping information into your short-term memory, in order to understand it. Even 7±2 is probably excessive: I find that I'm most comfortable with functions that perform 4±1 chunks of work. An example from one of my classes: def find(self, prefix): Find the item that matches prefix. prefix = prefix.lower() # Chunk #1 menu = self._cleaned_menu # Chunk #2 for i,s in enumerate(menu, 1): # Chunk #3 if s.lower().startswith(prefix): return i return None # Chunk #4 So that's three one-line chunks and one three-line chunk. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Re: Methods on file-like objects can only used once on one object?
On Aug 23, 9:21 am, Yingjie Lin yingjie@mssm.edu wrote:
Hi Python users,
I just realize that my post yesterday shouldn't be specifically for
mechanize. It should be a general question for file-like objects.
f = open('my_file.txt')
print f.readlines()
( prints a list of strings print f.readlines()
[]
There are quite a few methods for file-like objects that can only be used
once on one object. If I prefer to use some of these methods on one object,
one after another, like:
f.readlines()
f.read()
...
What should I do? Thank you.
- Yingjie
Each of those calls consumes the entire file, leaving the file pointer
at end-of-file. to reset the file pointer back to the beginning of the
file and enable re-reading, use f.seek(0) .
--
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Re: Hiding token information from users
On 08/23/2011 08:08 AM, Ian Kelly wrote: How many of these codes do you need, and do they only need to be decrypted at a central server? You might be able to just create random strings of whatever form you want and associate them with the tokens in a database. Then they will be completely opaque. The tokens have a year portion that increments each year, and the base portion of the token will be created newly in accordance with new accounts that we take on. I really need some sort of algorithm that will let me take an unknown string and generate the encrypted bit on the fly. Thanks, Tobiah -- http://mail.python.org/mailman/listinfo/python-list
Re: Methods on file-like objects can only used once on one object?
Am 23.08.2011 16:21, schrieb Yingjie Lin: Hi Python users, [snip] There are quite a few methods for file-like objects that can only be used once on one object. If I prefer to use some of these methods on one object, one after another, like: f.readlines() f.read() ... What should I do? Thank you. use f.seek(0) between calls. The python documentation will educate you about the details. hth Paul -- http://mail.python.org/mailman/listinfo/python-list
Re: Methods on file-like objects can only used once on one object?
Yingjie Lin wrote:
Hi Python users,
I just realize that my post yesterday shouldn't be specifically for
mechanize. It should be a general question for file-like objects.
f = open('my_file.txt')
print f.readlines()
( prints a list of strings
print f.readlines()
[]
Once you've read the file, the file pointer is now at the end of the file.
To go back to the beginning of the file and read it again, you have to use
the seek method:
f.seek(0)
But better is to not read the file twice:
f = open('my_file.txt')
lines = f.readlines()
print lines
print lines
print lines
print lines
f.close()
There's no need to read the lines again unless you expect that the file has
changed.
--
Steven
--
http://mail.python.org/mailman/listinfo/python-list
Windows No-Install Distribution?
Hi, I would like to create/find a Python 3.x distribution that can be redeployed simply by copying a directory of required files; i.e. without the need for actually installing an MSI, modifying Windows registry entries, etc. First of all, will Python even work on Windows simply by copying files from one system to another? If so, does such a no-install distribution already exist? If not, what are the minimum set of Python 3.x files from a standard Windows Python installation required for proper/normal operation? Thanks, Eric. -- http://mail.python.org/mailman/listinfo/python-list
Re: Windows No-Install Distribution?
I haven't tried it myself yet, but might http://www.portablepython.com/ be what you're looking for? -- http://mail.python.org/mailman/listinfo/python-list
aboutdialog space between program name/version and logo
Hello, please how can i set space between program name/version and logo in this code? thanks about = gtk.AboutDialog() about.set_program_name(name) about.set_version(0.0.1) about.set_logo(gtk.gdk.pixbuf_new_from_file(file.png)) -- http://mail.python.org/mailman/listinfo/python-list
Re: why i cannot invoke python script using command line?
smith jack wrote: but i can invoke it in eclipse, what's wrong? the script refered to another python script in eclipse project. f:\project\src\a.py f:\project\src\lib\b.py there is such lines in a.py from lib import b i can invoke a.py very well in eclipse but failed when using python f:\project\src\a.py, what's wrong? (the error msg shows a.py cannot find b.py) , what should i do in order to run a.py using command line? The import statement doesn't search the entire hard drive. It only searches the places in sys.path. You can modify sys.path either programmatically, or by adding things to the environment variable PYTHONPATH. Eclipse may be modifying the path so that it works in Eclipse. My recommendation is to either: (1) Use a flatter layout, like: f:\project\src\a.py f:\project\src\b.py and cd into f:\project\src\ before executing python a.py OR (2) learn how to use packages, and put a and b into a package; OR (3) Inside script a.py, add this to the start of the file: import os import sys import __main__ location = os.path.split(__main__.__file__)[0] location = os.path.join(location, 'lib') sys.path.append(location) -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Re: Setting the time in Win7
On 2011-08-23 02:26:38 -0600, Tim Golden m...@timgolden.me.uk said: On 22/08/2011 20:42, Bob Greschke wrote: Several people have been hacking away on this computer we are testing on, so I'm not sure what settings -- other than all of them -- have been messed with, but popen(time ...) seems to work, but system(time ...) does not. I'm going to restore the machine to its original state and see what happens. Hoping that this helps: you can programatically set the system time from within Python by using the pywin32 modules, or ctypes if you prefer. The code below works for an already-elevated command prompt by enabling the SystemTime privilege and (crudely) moving the time forward by five minutes by way of showing what's happening before resetting it back. I've commented out the actual SetSystemTime calls just in case anyone cuts-and-pastes indjudiciously. Ideally you should disable the privilege afterwards but I've left that out so as not to clutter the example. code import os, sys import win32api import win32security import ntsecuritycon hToken = win32security.OpenProcessToken ( win32api.GetCurrentProcess (), ntsecuritycon.MAXIMUM_ALLOWED ) time_privilege = win32security.LookupPrivilegeValue (None, win32security.SE_SYSTEMTIME_NAME) win32security.AdjustTokenPrivileges ( hToken, 0, [(time_privilege, win32security.SE_PRIVILEGE_ENABLED)] ) current_time = win32api.GetSystemTime () print Current time:, current_time new_time = list (current_time) new_time[5] += 5 ## print win32api.SetSystemTime (*new_time) print Current time:, win32api.GetSystemTime () ## print win32api.SetSystemTime (*current_time) print Current time:, win32api.GetSystemTime () /code TJG Oooo. Now I can be dangerous. We kinda also solved the whole thing for us (just a few minutes ago) by checking the checkbutton Run as administrator in the Properties, Compatibility tab, for python.exe and pythonw.exe. The account is an Administrator, so it's OK for this. I thought there must be a way through pywin32, but I don't know much of anything about Windows API calls. I have a Windows Programming book collecting dust somewhere... Thanks! Bob -- http://mail.python.org/mailman/listinfo/python-list
Re: Methods on file-like objects can only used once on one object?
On 2011-08-23, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote:
Yingjie Lin wrote:
Hi Python users,
I just realize that my post yesterday shouldn't be specifically for
mechanize. It should be a general question for file-like objects.
f = open('my_file.txt')
print f.readlines()
( prints a list of strings
print f.readlines()
[]
Once you've read the file, the file pointer is now at the end of the file.
To go back to the beginning of the file and read it again, you have to use
the seek method:
f.seek(0)
It's too bad Python doesn't support the f.rewind() spelling for that
operation. Rewinding disk files always made me smile...
--
Grant Edwards grant.b.edwardsYow! Did I say I was
at a sardine? Or a bus???
gmail.com
--
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Re: Windows No-Install Distribution?
On 2011.08.23 10:29 AM, Eric Lemings wrote: Hi, I would like to create/find a Python 3.x distribution that can be redeployed simply by copying a directory of required files; i.e. without the need for actually installing an MSI, modifying Windows registry entries, etc. First of all, will Python even work on Windows simply by copying files from one system to another? If so, does such a no-install distribution already exist? If not, what are the minimum set of Python 3.x files from a standard Windows Python installation required for proper/normal operation? I unpacked the 32-bit version of CPython 3.2 from its installer into a folder and it seems to work. I haven't done any real testing, but it works for me (mainly I just need to have the files needed to build 32-bit frozen binaries with cx_Freeze). -- CPython 3.2.1 | Windows NT 6.1.7601.17592 | Thunderbird 5.0 PGP/GPG Public Key ID: 0xF88E034060A78FCB -- http://mail.python.org/mailman/listinfo/python-list
truncating strings
I want to log a string but only the first bunch of it, and add ...
to the end if it got truncated. This certainly works:
log_message = message
if len(log_message) = 50:
log_message = log_message[:50] + '...'
logger.error(FAILED: '%s', '%s', %s, %s % (log_message,
route, params, e.code))
but it bugs me that there should be some cleaner way to do this. I'm
fantasizing about something along the lines of:
logger.error(FAILED: '%s{50}', '%s', %s, %s % (message,
route, params, e.code))
does anything like this exist?
--
http://mail.python.org/mailman/listinfo/python-list
Re: Windows No-Install Distribution?
On Aug 23, 9:31 am, Redcat red...@streemit.net wrote: I haven't tried it myself yet, but mighthttp://www.portablepython.com/ be what you're looking for? Almost except it contains additional Python packages that I'm not interested in. -- http://mail.python.org/mailman/listinfo/python-list
Re: Hiding token information from users
Tobiah wrote: I really need some sort of algorithm that will let me take an unknown string and generate the encrypted bit on the fly. Google broken for you? *wink* Seriously, there are about a bazillion algorithms for encrypting and obfuscating strings. Depending on your security requirements, that can be as simple as rot13 and as complex as blowfish (or even more so). If it helps, I have a module that implements a selection of classical (i.e. insecure) encryption algorithms: http://pypi.python.org/pypi/obfuscate Earlier, you said: The secret is not like the key to Fort Knox. We would rather not have the plain token out there, as it's internal business information, but we don't have to protect the information at all costs. Just making it really inconvenient to extract is fine. I don't understand the point of this. What could your users do with the plain token that they shouldn't? I don't see why, if it's not worth encrypting properly, why it's worth obfuscating it at all. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Re: Hiding token information from users
On 08/23/2011 09:55 AM, Steven D'Aprano wrote: Tobiah wrote: I really need some sort of algorithm that will let me take an unknown string and generate the encrypted bit on the fly. Google broken for you? *wink* I had some requirements in the OP that I could not find a solution for. Seriously, there are about a bazillion algorithms for encrypting and obfuscating strings. Depending on your security requirements, that can be as simple as rot13 and as complex as blowfish (or even more so). If it helps, I have a module that implements a selection of classical (i.e. insecure) encryption algorithms: http://pypi.python.org/pypi/obfuscate Earlier, you said: The secret is not like the key to Fort Knox. We would rather not have the plain token out there, as it's internal business information, but we don't have to protect the information at all costs. Just making it really inconvenient to extract is fine. I don't understand the point of this. What could your users do with the plain token that they shouldn't? I don't see why, if it's not worth encrypting properly, why it's worth obfuscating it at all. The token ends up translating into the name of a database on our server. With that information alone, it's difficult to imagine a serious vulnerability, yet we just thought it would be worth it to disguise the plain text. -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
On 2011-08-23, smith jack thinke...@gmail.com wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? Lots of them. None of them have to do with performance. for example, how many lines should form a function? Between zero (which has to be written pass) and a few hundred. Usually closer to the lower end of that range. Occasionally outside it. Which is to say: This is the wrong question. Let us give you the two laws of software optimization. Law #1: Don't do it. If you try to optimize stuff, you will waste a ton of time doing things that, it turns out, are unimportant. Law #2: (Experts only.) Don't do it yet. You don't know enough to optimize this yet. Write something that does what it is supposed to do and which you understand clearly. See how it looks. If it looks like it is running well enough, STOP. You are done. Now, if it is too slow, and you are running it on real data, NOW it is time to think about why it is slow. And the solution there is not to read abstract theories about your language, but to profile it -- actually time execution and find out where the time goes. I've been writing code, and making it faster, for some longish period of time. I have not yet ever in any language found cause to worry about function call overhead. -s -- Copyright 2011, all wrongs reversed. Peter Seebach / usenet-nos...@seebs.net http://www.seebs.net/log/ -- lawsuits, religion, and funny pictures http://en.wikipedia.org/wiki/Fair_Game_(Scientology) -- get educated! I am not speaking for my employer, although they do rent some of my opinions. -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
On Aug 23, 6:59 am, smith jack thinke...@gmail.com wrote: i have heard that function invocation in python is expensive, but make lots of functions are a good design habit in many other languages, so is there any principle when writing python function? for example, how many lines should form a function? Everyone here who is suggesting that function bodies should be confined to ANY length is an idiot. The length of a functions code block is inconsequential. Don't worry if it too small or too big. It's not the size that matters, it's the motion of the sources ocean! A good function can be one line, or a hundred lines. Always use comments to clarify code and NEVER EVER create more functions only for the sake of short function bodies, WHY, because all you do is move confusion OUT OF the function body and INTO the module/class body. Energy can neither be created nor be destroyed: it can only be transformed from one state to another http://en.wikipedia.org/wiki/Conservation_of_energy https://sites.google.com/site/thefutureofpython/ -- http://mail.python.org/mailman/listinfo/python-list
Re: truncating strings
On Tue, Aug 23, 2011 at 9:29 AM, Roy Smith r...@panix.com wrote:
I want to log a string but only the first bunch of it, and add ...
to the end if it got truncated. This certainly works:
log_message = message
if len(log_message) = 50:
log_message = log_message[:50] + '...'
logger.error(FAILED: '%s', '%s', %s, %s % (log_message,
route, params, e.code))
but it bugs me that there should be some cleaner way to do this. I'm
fantasizing about something along the lines of:
logger.error(FAILED: '%s{50}', '%s', %s, %s % (message,
route, params, e.code))
does anything like this exist?
You can specify a maximum width to truncate the string to, but I don't
see any built-in way to add an elision indication (e.g. ...).
%.4s % spam and eggs
'spam'
{:.4s}.format(spam and eggs)
'spam'
You could define something to wrap strings and override __format__()
or similar, but that seems like overkill.
Cheers,
Chris
--
http://rebertia.com
--
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Re: try... except with unknown error types
gene heskett ghesk...@wdtv.com writes: OTOH, ChrisA, I have it on good authority that no program is ever finished, until someone shoots the programmer. :) The way I heard it was software is never finished until the last user is dead. -- http://mail.python.org/mailman/listinfo/python-list
Re: extended slicing and negative stop value problem
On Aug 21, 2011 1:34 PM, Max maxmo...@gmail.com wrote: a[0:11][::-1] # Instead of a[10:-1:-1], which looks like it should work, but doesn't. It works nicely, but it is 1.3 times slower in my code (I am surprised the interpreter doesn't optimize this). Have you tried reverse()? I haven't timed it, but since it merely creates an iterator rather than a second copy, you may get better performance. -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
On 8/23/2011 7:59 AM, smith jack wrote: i have heard that function invocation in python is expensive, That comes into play when chosing between list2 = map(lambda x: 2*x, list1) # versus list2 = [2*x for x in list1] It also comes into play when choosing between looping with recursion (function calls) versus looping with iteration (while/for). In Python, the iteration is faster, while some functional languages omit looping syntax constructs and perhaps auto-translate some recursion to iteration. but makelots of functions are a good design habit in many other languages, Same for Python, with the exceptions noted above of avoiding trivial one-use functions when there is an alternative. is there any principle when writing python function? Same as usual. Functions define new words and create new abstractions than encapsulate a unit of computation. for example, how many lines should form a function? 1 to many, as long as the 1 is more complex than 2*x, unless the trivial function is required for a callback. I doubt the stdlib has many defs longer than 100 lines. Try the following: complex enough that the function call overhead does not matter; simple enough to be understood as a unit. I just came up with the following hypothesis: the complexity of a function is related to the number of *different* functions used to define it: x = a*b + c/d - e**f is more complex (harder to understand) than x = a + b + c + d + e + f For this purpose, different statememts count as functions (and indeed, they translate to bytecode functions. So: for i in iterable: if f(i): print i is more complex than a = 1 b = 2 c = 3 d = 4 People can retain at most about 10 different things in short term memory. So perhaps 10 different 'functions' within a function, or at least a commented block, is enough. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
On 8/23/2011 11:22 AM, Steven D'Aprano wrote: Even 7±2 is probably excessive: I find that I'm most comfortable with functions that perform 4±1 chunks of work. An example from one of my classes: def find(self, prefix): Find the item that matches prefix. prefix = prefix.lower() # Chunk #1 menu = self._cleaned_menu # Chunk #2 for i,s in enumerate(menu, 1): # Chunk #3 if s.lower().startswith(prefix): return i return None # Chunk #4 So that's three one-line chunks and one three-line chunk. In terms of different functions performed (see my previous post), I see attribute lookup assignment enumerate sequence unpacking for-looping if-conditioning lower startswith return That is 9, which is enough. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
reading and writing files
Hi. I`ve been trying to copy a long text from one file to another but it always copied me just a small part. I would be glad if you can help me or explain which is my error. Thanks -- def runMenu(): print \nMENU print 1) Copiar print 0) Exit response = int( raw_input().strip() ) if response == 1: print Copiar try: print Abro Archivo Origen archivo=open(D:\Boot.txt,r) print Name of the file: , archivo.name print Closed or not : , archivo.closed print Opening mode : , archivo.mode print ORIGEN--- print archivo.read() print - archivo.seek(0, 0) print Abro Archivo Destino archivo2=open(D:\Copia.txt,w+) print Name of the file: , archivo2.name print Closed or not : , archivo2.closed print Opening mode : , archivo2.mode archivo2.write(archivo.read()) archivo2.seek(0, 0) print -DESTINO- print archivo2.read() print - archivo.close() archivo2.close() except IOError: print (I/O Error de Lectura) else: print Lectura OK elif response == 0: #device.close() print Exit return response def main(): print main while(1): if runMenu() == 0: break main() -- http://mail.python.org/mailman/listinfo/python-list
Re: Windows No-Install Distribution?
On 8/23/11 8:29 AM, Eric Lemings wrote: I would like to create/find a Python 3.x distribution that can be redeployed simply by copying a directory of required files; i.e. Just take the default installer, install it, and then check the Python directory: does it have the python DLL? If not, go look into the system32 directory, grab it, drop it in the Python directory. (If you installed for all-users this will happen, Now copy/zip/whatever that Python directory to another machine where it was not installed. It'll work fine. You'll have to explicitly provide the path to the Python.exe of course; you can't just double-click on a .py or run 'python blah.py', but if your shortcuts/whatever all do C:\Where\You\Installed\Python.exe, everything should just work. We do that at work and never run into any trouble. (We actually provide a MSI but only for convenience of customers who want to auto-install via Group Policy). In most situations, Python's good at finding itself, i.e. where the python.exe is actually located -- and it boostraps the location of everything else based on that. -- 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
Looking for python/pyramid developers for a project
Hello, My company an ISP is looking to build an administrative webapp dashboard for our underlying systems. We are looking to hire a developer(s) immediately. We would prefer the application be built on python with a popular framework such as pyramid. This position is a contract position paid hourly (35-45$ based on experience). Please email me if you are interested and attach any relevant past projects/ screenshots that were built on pyramid/python. email: mzummo at [gmail.com] skype mzummo -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
On Aug 23, 1:29 pm, Terry Reedy tjre...@udel.edu wrote: In terms of different functions performed (see my previous post), I see attribute lookup assignment enumerate sequence unpacking for-looping if-conditioning lower startswith return That is 9, which is enough. attribute lookup - inspection assignment - ditto enumerate - enumeration sequence unpacking - parallel assignment for-looping - cycling if-conditioning - logic lower - mutation (don't try to argue!) startswith - boolean-logic return - exiting (although all exits require an entrance!) omitted: documenting, referencing, -presumptuousness- pedantic-ly yours, rr ;-) -- http://mail.python.org/mailman/listinfo/python-list
Re: questions ( answers) about object, type, builtin types, class, metaclass and __getattribute__
On Aug 22, 1:57 pm, Steven D'Aprano steve +comp.lang.pyt...@pearwood.info wrote: The relationship between type and object is somewhat special, and needs to be bootstrapped by the CPython virtual machine. Since you are talking about CPython, I'm wondering how it is bootstraped since you can easly reference PyType in PyObject that part is not hard. 2) type is its own metaclass : type(type) is type ? Yes. Another bit of bootstrapping that the compiler does. self reference is easy same as referencing PyType from PyObject and PyObject from PyType. 5) type(any_object) == last_metaclass_..., which is, most of the time, type ? I'm not sure what you mean by last_metaclass. But no. The type of an object is its class: see this code for example proove my point: class meta_a(type): def __new__(cls, *args, **kwargs): return type.__new__(cls, *args, **kwargs) # see (¤) class meta_b(meta_a): def __new___(cls, *args, **kwargs): return meta_a.__new__(cls, *args, **kwargs) # same as above class ClassWithTypeMetaA(object): __metaclass__ = meta_a class ClassWithTypeMetaB(object): __metaclass__ = meta_b type(ClassWithTypeMetaA) == meta_a type(ClassWithTypeMetaB) == meta_b [¤] super call doesn't work here, anyone can say why ? Regards, Amirouche -- http://mail.python.org/mailman/listinfo/python-list
Re: truncating strings
On 2011-08-23, Roy Smith r...@panix.com wrote:
I want to log a string but only the first bunch of it, and add ...
to the end if it got truncated. This certainly works:
logger.error(FAILED: '%s{50}', '%s', %s, %s % (message,
route, params, e.code))
does anything like this exist?
%.50s
-s
--
Copyright 2011, all wrongs reversed. Peter Seebach / usenet-nos...@seebs.net
http://www.seebs.net/log/ -- lawsuits, religion, and funny pictures
http://en.wikipedia.org/wiki/Fair_Game_(Scientology) -- get educated!
I am not speaking for my employer, although they do rent some of my opinions.
--
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Re: questions ( answers) about object, type, builtin types, class, metaclass and __getattribute__
On Aug 22, 5:41 pm, Stephen Hansen me+list/pyt...@ixokai.io wrote:
3) object's type is type : object.__class__ is type
4) type parent object is object : type.__bases__ == (object,)
Saying type and parent and the like for new-style classes is
something of a misnomer. For type and object, these things aren't
constructed like this.
What you have here is technically true if you go poke at it in the
interpreter, but it doesn't really /mean/ anything because its not how
these objects came to be and is circular and a bit confusing. These
fundamental objects are created special.
The code snippet is here to illustrate how it is visible in the
interpreter. But
you are right.
2) type is its own metaclass : type(type) is type ?
Only in a purely theoretical way. It doesn't actually mean anything;
moreover, type(something) is NOT how you determine somethings metaclass.
Its how you determine somethings type.
see the answer to Steven D'Aprano. type(class_object) ==
a_meta_class_object
The two concepts may be very distinct. Lots of things don't have
metaclasses.
All object in new style class have a metaclass at least type.
3) object's metaclass is type ?
Again, only theoretically.
and again the famous bootstrapping make it like type created object.
From the
outside world of the Python implementation object looks like a type
instance.
5) type(any_object) == last_metaclass_..., which is, most of the time,
type ?
Not necessarily at all. In fact, there is no way I'm aware of to
determine if a metaclass was involved in a classes construction unless
said metaclass wants to provide such a mechanism.
Metaclasses are kind of a hack. They are a way to hook into the class
construction that's normally done and do something, anything you want,
(even hijack the whole procedure and NOT construct a class at all, but
play a song if you want) before its all finished.
For example, this is a metaclass I've used:
PageTypes = {}
class _PageRegistration(type):
def __new__(cls, name, bases, dct):
klass = type.__new__(cls, name, bases, dct)
typename = name[:-9].lower()
if not typename:
typename = None
PageTypes[typename] = klass
klass.Type = typename
return klass
class QueuePage(sc.SizedPanel):
__metaclass__ = _PageRegistration
Note, the fact that my _PageRegistration metaclass inherits is itself a
class which inherits from type is just one convenient way to write
metaclasses. It could as simply have been just a function.
Metaclasses are somewhat poorly named in that they are really, creation
hooks.
It the same issue in django, views are only function, until you need
complex
behavior and you want a namespace to put everything in it. IMO
that's why class
based views exists for complex cases. That said being able to declare
a metaclass
only as a functions is neat.
C) type vs class
1) Type is the metaclass of most classes
Yes and no. Yes, in that most classes are created using the default
mechanism inside CPython. The class body is executed in a scope, the
resulting dictionary is bound to a new class object, bases and the like
are set, and such.
No in that it really just, IIUC, skips the whole metaclass part of the
process because this 'default mechanism' doesn't need to call out into
other code to do its job. At least, I think-- May be wrong here,
metaclasses are something of a dark voodoo and I'm not 100% entirely
familiar with the internal workings of CPython.
But functionally, a metaclass is the chunk of code responsible for the
actual physical construction of the class object.
For me it takes some variables, namely ``bases``, ``class_dict`` and
``configuration class_name`` and do something with it, probably
creating a
class_object which behaviour is parametred with the context. I did not
know
Python before new-style class, so probably for most people explainning
that
metaclasses are a creation hook is easier for them...
4) It's in type.__call__ that happens calls to __new__ and __init__
Again, translates to is suggesting this is what happens when you do
X, which I don't know if is strictly true. CPython inside may be
optimizing this whole process.
Especially when it comes to magic
methods, __x__ and the like -- CPython rarely uses __get*_ for those.
It just calls the methods directly on the class object.
IIUC the code of Jython tells me what I've written. If the first part
of the algorithm
is lookup for special methods (what you seem to say) then we both
agree that we
agree, isn't it ?
Moreover I'm not looking in this part to understand how CPython works
internally,
but how Python works. Since I'm most proeffencient in Python I
translate it to
Python.
*Translates* means it's a shortcut for.
5) 3) = classes are instance of type
6) Since type.__call__ is used to instantiate instance of instance
Re: truncating strings
Seebs wrote:
On 2011-08-23, Roy Smith r...@panix.com wrote:
I want to log a string but only the first bunch of it, and add ...
to the end if it got truncated. This certainly works:
logger.error(FAILED: '%s{50}', '%s', %s, %s % (message,
route, params, e.code))
does anything like this exist?
%.50s
That's not working in 2.7 or 3.2.
~Ethan~
--
http://mail.python.org/mailman/listinfo/python-list
Re: Windows No-Install Distribution?
On Aug 23, 1:52 pm, Stephen Hansen me+list/pyt...@ixokai.io wrote: On 8/23/11 8:29 AM, Eric Lemings wrote: I would like to create/find a Python 3.x distribution that can be redeployed simply by copying a directory of required files; i.e. Just take the default installer, install it, and then check the Python directory: does it have the python DLL? If not, go look into the system32 directory, grab it, drop it in the Python directory. (If you installed for all-users this will happen, Now copy/zip/whatever that Python directory to another machine where it was not installed. It'll work fine. You'll have to explicitly provide the path to the Python.exe of course; you can't just double-click on a .py or run 'python blah.py', but if your shortcuts/whatever all do C:\Where\You\Installed\Python.exe, everything should just work. We do that at work and never run into any trouble. (We actually provide a MSI but only for convenience of customers who want to auto-install via Group Policy). In most situations, Python's good at finding itself, i.e. where the python.exe is actually located -- and it boostraps the location of everything else based on that. -- Stephen Hansen ... Also: Ixokai ... Mail: me+list/python (AT) ixokai (DOT) io ... Blog:http://meh.ixokai.io/ signature.asc 1KViewDownload Excellent start. Which files comprise the standard Python library? Only the files in the 'Lib' subdirectory or are more needed? -- http://mail.python.org/mailman/listinfo/python-list
Re: truncating strings
On 2011-08-23, Ethan Furman et...@stoneleaf.us wrote:
Seebs wrote:
On 2011-08-23, Roy Smith r...@panix.com wrote:
logger.error(FAILED: '%s{50}', '%s', %s, %s % (message,
route, params, e.code))
does anything like this exist?
%.50s
That's not working in 2.7 or 3.2.
Huh.
Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type help, copyright, credits or license for more information.
print %.5s % (hello there, truncate me!)
hello
-s
--
Copyright 2011, all wrongs reversed. Peter Seebach / usenet-nos...@seebs.net
http://www.seebs.net/log/ -- lawsuits, religion, and funny pictures
http://en.wikipedia.org/wiki/Fair_Game_(Scientology) -- get educated!
I am not speaking for my employer, although they do rent some of my opinions.
--
http://mail.python.org/mailman/listinfo/python-list
upgrade python
What is recommended for upgrading python for windows? Do I just install the new versionDo I edit my system path? Should I uninstall the old version. Right now I have 2.7 and3.1 and 3.2 and I keep editing my system path when I install a new version but I'm notsure that's the right way to go. Is there an upgrade way? I only found downloads at Python.org thx 'Ron bumpker Reynolds' -- http://mail.python.org/mailman/listinfo/python-list
Re: Looking for python/pyramid developers for a project
Mathew mzu...@gmail.com writes: We are looking to hire a developer(s) immediately. Please don't use this Python discussion for recruitment. Instead, please use the Python Jobs Board for that purpose URL:http://www.python.org/community/jobs/. -- \ “It's a good thing we have gravity or else when birds died | `\ they'd just stay right up there. Hunters would be all | _o__)confused.” —Steven Wright | Ben Finney -- http://mail.python.org/mailman/listinfo/python-list
Re: upgrade python
On 8/23/2011 6:09 PM, Ronald Reynolds wrote: What is recommended for upgrading python for windows? Do I just install the new version I put each version in its own Pythonxy directory, as the installer wants. x.y.z bug fix releases replace the previous x.y release. Do I edit my system path? However, I put all versions in my own 'Programs' directory (not at top-level, not in Program Files. On my old machine, I added that one directory to PATH. Then I copied Pythonxy/python to pyxy in that directory. I will do the same on my new machine when I have need. But I mostly execute from an IDLE editor window, so PATH and command prompts are mostly irrelevant for me. Should I uninstall the old version. If and only if you are sure you have no further use for it. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: truncating strings
Seebs wrote:
On 2011-08-23, Ethan Furman et...@stoneleaf.us wrote:
Seebs wrote:
On 2011-08-23, Roy Smith r...@panix.com wrote:
logger.error(FAILED: '%s{50}', '%s', %s, %s % (message,
route, params, e.code))
does anything like this exist?
%.50s
That's not working in 2.7 or 3.2.
Huh.
Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type help, copyright, credits or license for more information.
print %.5s % (hello there, truncate me!)
hello
Ah -- that's only part of it -- the OP wants '...' to print as well. :)
~Ethan~
--
http://mail.python.org/mailman/listinfo/python-list
Re: Windows No-Install Distribution?
On 8/23/2011 5:56 PM, Eric Lemings wrote: On Aug 23, 1:52 pm, Stephen Hansenme+list/pyt...@ixokai.io wrote: On 8/23/11 8:29 AM, Eric Lemings wrote: I would like to create/find a Python 3.x distribution that can be redeployed simply by copying a directory of required files; i.e. Just take the default installer, install it, except do a custom install and leave out what you do not want. (Tools? tcl/tk/idle?). You can leave out tests, but then you might want that, at least once, to test your no-install copy. and then check the Python directory: does it have the python DLL? If not, go look into the system32 directory, grab it, drop it in the Python directory. (If you installed for all-users this will happen, For Python3, python3.dll in in Python3y\DLLs even for all users install. I believe this is per MS recommendation. So just copy the entire python3y directory. Which files comprise the standard Python library? Only the files in the 'Lib' subdirectory That only has Python-coded modules. or are more needed? C-coded modules are in /DLLs. I presume /libs is needed too but I do not really know, and I will not experiment. Just limit your install to what you want and copy everything. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list
Re: truncating strings
Seebs wrote: Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49) [GCC 4.2.1 (Apple Inc. build 5646)] on darwin Type help, copyright, credits or license for more information. print %.5s % (hello there, truncate me!) hello Well, whadda you know, I learned something new :) In any case, this doesn't solve the OP's problem, as he wants to truncate the input string, and append '...' if and only if it were truncated. The right solution is to wrap the functionality in a function. It's not hard, and is elegant. Not everything needs to be a built-in. # Untested. def truncate(s, maxwidth=50): if len(s) = maxwidth: return s s = s[:maxwidth - 3] return s + '...' -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
Terry Reedy wrote: On 8/23/2011 11:22 AM, Steven D'Aprano wrote: Even 7±2 is probably excessive: I find that I'm most comfortable with functions that perform 4±1 chunks of work. An example from one of my classes: def find(self, prefix): Find the item that matches prefix. prefix = prefix.lower() # Chunk #1 menu = self._cleaned_menu # Chunk #2 for i,s in enumerate(menu, 1): # Chunk #3 if s.lower().startswith(prefix): return i return None # Chunk #4 So that's three one-line chunks and one three-line chunk. In terms of different functions performed (see my previous post), I see attribute lookup assignment enumerate sequence unpacking for-looping if-conditioning lower startswith return That is 9, which is enough. I think we have broad agreement, but we're counting different things. Analogy: you're counting atoms, I'm grouping atoms into molecules and counting them. It's a little like phone numbers: it's not an accident that we normally group phone numbers into groups of 2-4 digits: 011 23 4567 8901 In general, people can more easily memorise four chunks of four digits (give or take) than one chunk of 13 digits: 0112345678901. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Learning Python
Hello all, Does anyone have any good resources for learning Python? I know basic Java and basic Python (loops, data types, if-then statements, etc), but I want to delve into Python further. If anyone knows of any good books, video tutorials, etc it would be greatly appreciated. Thanks, User -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
rantingrick rantingr...@gmail.com wrote: Everyone here who is suggesting that function bodies should be confined to ANY length is an idiot. Or, more likely, is the sort of coder who has worked with other coders in the past and understands the value of readable code. Don't worry if it too small or too big. It's not the size that matters, it's the motion of the sources ocean! If only you spent as much time actually thinking about what you're saying as trying to find 'clever' ways to say it... Always use comments to clarify code and NEVER EVER create more functions only for the sake of short function bodies This is quite likely the worst advice you've ever given. I can only assume you've never had to refactor the sort of code you're advocating here. -- http://mail.python.org/mailman/listinfo/python-list
Re: is there any principle when writing python function
rantingrick rantingr...@gmail.com wrote: https://sites.google.com/site/thefutureofpython/ Very soon I will be hashing out a specification for python 4000. AHAHAHAHAhahahahahahahAHAHAHAHahahahahaaa. So rich. Anyone willing to bet serious money we won't see this before 4000AD? Heck even our leader seems as a captain too drunk with vanity to care; and our members like a ship lost at sea left to sport of every troll-ish wind! Quite frankly, you're a condescending, arrogant blow-hard that this community would be better off without. We must constantly strive to remove multiplicity from our systems; lest it consumes us! s/multiplicity/rantingrick/ and I'm in full agreement. -- http://mail.python.org/mailman/listinfo/python-list
Re: reading and writing files
On 01/-10/-28163 02:59 PM, Adrián Monkas wrote: Hi. I`ve been trying to copy a long text from one file to another but it always copied me just a small part. I would be glad if you can help me or explain which is my error. Thanks -- def runMenu(): print \nMENU print 1) Copiar print 0) Exit response = int( raw_input().strip() ) if response == 1: print Copiar try: print Abro Archivo Origen archivo=open(D:\Boot.txt,r) print Name of the file: , archivo.name print Closed or not : , archivo.closed print Opening mode : , archivo.mode print ORIGEN--- print archivo.read() print - archivo.seek(0, 0) print Abro Archivo Destino archivo2=open(D:\Copia.txt,w+) print Name of the file: , archivo2.name print Closed or not : , archivo2.closed print Opening mode : , archivo2.mode archivo2.write(archivo.read()) archivo2.seek(0, 0) print -DESTINO- print archivo2.read() print - archivo.close() archivo2.close() except IOError: print (I/O Error de Lectura) else: print Lectura OK elif response == 0: #device.close() print Exit return response def main(): print main while(1): if runMenu() == 0: break main() What's your goal? If it's to write a small program to copy a file, try using shutil library. It'll save you lots of trouble. It can handle files that are bigger than available memory, it can fix up timestamps, etc. If it's to learn Python, then you need to learn about writing debuggable code. Part of that is doing things once. So if you read() the entire contents of the file, keep it in a variable and use that variable to write() to the other file, and also to print to the screen. Then if something's wrong, you can be sure it's the same both places. Never do something like y.write(x.read()) till you're sure everything's working. That's a kind of optimization which doesn't save any execution time, and only a few keystrokes. And you'll waste those keystrokes changing the code a dozen times to find out why it isn't working. You don't make clear just what is just a small part. In other words, what is truncated? Is it the ORIGEN printout, the DESTINO printout, or the actual file contents ? And is the file involved a gigabyte or two, or is it 500 bytes? Did it display part of the file correctly, or by small part did you mean zero bytes? Show the actual stack trace if you got an error, or the program output if not. And in general, when you're asking questions, please specify the Python version and OS version you're running. Clearly, the latter is some kind of Windows, since you're using the D: drive. And the Python version is 2.x for some value of x. But sometimes it'll matter. Your filenames are incorrect, since you use the backslash without escaping it. So the source file has a backspace in it. I'm amazed you don't get an error, since it's unlikely you have a file with that kind of name. When I run it, I get Abro Archivo Origen. I'm astounded you don't. When making a literal string out of a Windows filename, either double the backslashes, or use Rxxx for raw strings, or just use forward slashes. HTH. DaveA -- http://mail.python.org/mailman/listinfo/python-list
Re: Learning Python
On Wed, 24 Aug 2011 12:46 pm User wrote: Hello all, Does anyone have any good resources for learning Python? http://duckduckgo.com/?q=python+tutorial -- Steven -- http://mail.python.org/mailman/listinfo/python-list
Announcing a new podcast: Radio Free Python
Radio Free Python is a new monthly podcast focused on Python and its community. Episode 1 has just been released! It features a panel discussion with the PythonLabs team: * Barry Warsaw, * Fred Drake, * Guido van Rossum, * Roger Masse, * and Tim Peters. You can find it at http://www.radiofreepython.com/ as of this very minute. Enjoy! /larry/ -- http://mail.python.org/mailman/listinfo/python-list
Re: reading and writing files
On Tue, Aug 23, 2011 at 9:05 PM, Dave Angel da...@ieee.org wrote: On 01/-10/-28163 02:59 PM, Adrián Monkas wrote: snip print Abro Archivo Origen archivo=open(D:\Boot.txt,r) snip Your filenames are incorrect, since you use the backslash without escaping it. So the source file has a backspace in it. I'm amazed you don't get an error, since it's unlikely you have a file with that kind of name. Backslash escape sequences only work for lowercase characters: '\b' '\x08' '\B' '\\B' But yeah, I don't endorse relying on this. Just use forward slashes instead of backslashes in paths; Windows accepts them just fine. Cheers, Chris -- http://rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
Re: truncating strings
On 2011-08-23, Ethan Furman et...@stoneleaf.us wrote: Ah -- that's only part of it -- the OP wants '...' to print as well. :) O. Hmm. That's harder. I can't think of a pretty way, so I think I'd probably write a prettytrunc(string, len) or something similar. -s -- Copyright 2011, all wrongs reversed. Peter Seebach / usenet-nos...@seebs.net http://www.seebs.net/log/ -- lawsuits, religion, and funny pictures http://en.wikipedia.org/wiki/Fair_Game_(Scientology) -- get educated! I am not speaking for my employer, although they do rent some of my opinions. -- http://mail.python.org/mailman/listinfo/python-list
[issue12678] test_packaging and test_distutils failures under Windows
Nadeem Vawda nadeem.va...@gmail.com added the comment: I’ll commit the tmp-debug patch so that we can get info from the buildbot, unless Jeremy or someone can investigate. If you can wait until this evening (CEST), I'll run the tests with that patch applied locally. It might be easier to get to the bottom of this if we co-ordinate via IRC. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12678 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12678] test_packaging and test_distutils failures under Windows
Éric Araujo mer...@netwok.org added the comment: I’m in CEST too (France), but I’m not sure I’ll have Internet access this evening. Would tomorrow afternoon work for you? I don’t want you to have to dive in distutils more than you should :) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12678 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12821] test_fcntl failed on OpenBSD 5.x
New submission from Remi Pointel pyt...@xiri.fr: Hello, test_fcntl failed on OpenBSD 5.0. It's ok when we add openbsd5 in the tuple of sys.platform (patch attached). Thanks a lot, Remi. -- files: patch-Lib_test_test_fcntl_py messages: 142784 nosy: rpointel priority: normal severity: normal status: open title: test_fcntl failed on OpenBSD 5.x versions: Python 2.7, Python 3.2, Python 3.3 Added file: http://bugs.python.org/file23012/patch-Lib_test_test_fcntl_py ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12821 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12821] test_fcntl failed on OpenBSD 5.x
Charles-François Natali neolo...@free.fr added the comment:
Note that it's been fixed in default with the recent sys.platform refactoring:
26 if (sys.platform.startswith(('netbsd', 'freebsd', 'openbsd',
'bsdos'))
27 or sys.platform == 'darwin'):
28 if struct.calcsize('l') == 8:
I'll commit a patch for 2.7 and 3.2.
--
components: +Tests
nosy: +neologix
stage: - needs patch
type: - behavior
versions: -Python 3.3
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[issue12821] test_fcntl failed on OpenBSD 5.x
Remi Pointel pyt...@xiri.fr added the comment: Thanks a lot, I prefer to use sys.platform.startswith too. Remi. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12821 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6560] socket sendmsg(), recvmsg() methods
Charles-François Natali neolo...@free.fr added the comment: However, in doing this, I noticed that these methods will, at best, work during the time between connection and the socket going secure and were not added to the list of methods that the SSL is documented as exposing. Perhaps we should just ditch them entirely? +1 -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6560 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12409] Moving Documenting Python to Devguide
Georg Brandl ge...@python.org added the comment: +1, and as Eric says, we can do it without changing versions of Sphinx used. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12409 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12822] NewGIL should use CLOCK_MONOTONIC if possible.
New submission from INADA Naoki songofaca...@gmail.com: Using CLOCK_MONOTONIC is better than CLOCK_REALTIME (default) for GIL because settimeofday() may break the pthread_cond_timedwait(). Attached patch uses CLOCK_MONOTONIC and clock_gettime. But I don't know how to write appropriate configure script. -lrt is also needed to use clock_gettime() but I don't know how to add it to LIBS. -- components: None files: use_monotonic_clock.patch keywords: patch messages: 142789 nosy: naoki priority: normal severity: normal status: open title: NewGIL should use CLOCK_MONOTONIC if possible. type: behavior versions: Python 3.2, Python 3.3 Added file: http://bugs.python.org/file23013/use_monotonic_clock.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12822 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12678] test_packaging and test_distutils failures under Windows
Éric Araujo mer...@netwok.org added the comment: higery: Would you have a bit of free time to help use here? -- nosy: +higery ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12678 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12822] NewGIL should use CLOCK_MONOTONIC if possible.
Changes by STINNER Victor victor.stin...@haypocalc.com: -- nosy: +haypo ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12822 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12822] NewGIL should use CLOCK_MONOTONIC if possible.
STINNER Victor victor.stin...@haypocalc.com added the comment: See also #10278. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12822 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue10278] add time.wallclock() method
STINNER Victor victor.stin...@haypocalc.com added the comment: See also #12822. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue10278 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12808] Coverage of codecs.py
Marc-Andre Lemburg m...@egenix.com added the comment: Tennessee Leeuwenburg wrote: Tennessee Leeuwenburg tleeuwenb...@gmail.com added the comment: Thanks for the review. Here is a patch incorporating the two comments being to move some comments. Hmm, the documentation patch doesn't appear to have changed. Did you upload the right patch ? -- ___ 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
[issue12808] Coverage of codecs.py
Changes by STINNER Victor victor.stin...@haypocalc.com: -- nosy: +haypo ___ 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
[issue12823] Broken link in SSL wrapper for socket objects document
New submission from Roger Li worm...@gmail.com: In http://docs.python.org/release/3.1.3/library/ssl.html You will find a link at the bottom named Introducing SSL and Certificates using OpenSSL, it's a broken link. The server may be down or not exist, the only version I can find is http://web.archive.org/web/20090429050651/http://old.pseudonym.org/ssl/wwwj-index.html Please consider to replace the link to the new one. -- assignee: docs@python components: Documentation messages: 142794 nosy: docs@python, iworm priority: normal severity: normal status: open title: Broken link in SSL wrapper for socket objects document versions: Python 3.1 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12823 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12824] Make the write_file() helper function in test_shutil return the file name it wrote to
New submission from Hynek Schlawack h...@ox.cx: test_shutil contains a handy helper function called write_file(filename. contents). If *filename* is a tuple, os.path.join() is used to concatenate it to a path. To be really useful, the resulting file name should be returned, so the user can work with it. So instead of: fn = os.path.join(x,y) write_file(fn, 'contents') I'd prefer: fn = write_file((x,y), 'contents') I have attached a simple patch that achieves this and also applied the resulting simplification to some of the tests. -- components: Tests files: write_file_returns_filename.diff keywords: patch messages: 142795 nosy: eric.araujo, hynek priority: normal severity: normal status: open title: Make the write_file() helper function in test_shutil return the file name it wrote to type: feature request versions: Python 3.3 Added file: http://bugs.python.org/file23014/write_file_returns_filename.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12824 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12721] Chaotic use of helper functions in test_shutil for reading and writing files
Hynek Schlawack h...@ox.cx added the comment: Done in Issue12824. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12721 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12825] Missing and incorrect link to a command line option.
New submission from Kyle Simpson illwhip...@gmail.com: The documentation for the runpy module has a link to the -m command line option. In version 2.7.2 of the docs, the link doesn't exist. http://docs.python.org/release/2.7/library/runpy.html http://docs.python.org/release/2.7.2/library/runpy.html If you run touch library/runpy.rst make html then the link is created, but with an anchor of cmdoption-unittest-discover-m instead of cmdoption-m. http://docs.python.org/release/2.7.2/using/cmdline.html#cmdoption-unittest-discover-m -- assignee: docs@python components: Documentation messages: 142797 nosy: Kyle.Simpson, docs@python priority: normal severity: normal status: open title: Missing and incorrect link to a command line option. versions: Python 2.7 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12825 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12825] Missing and incorrect link to a command line option.
Éric Araujo mer...@netwok.org added the comment: It’s weird that the docs under /release/2.7 has the link but not the one under /. -- nosy: +eric.araujo, georg.brandl ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12825 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12826] module _socket failed to build on OpenBSD
New submission from Remi Pointel pyt...@xiri.fr: Hello, I try to build Python 3.3 on OpenBSD, and it failed to build these modules: _socket (so _ssl too). Errors are: /home/remi/dev/cpython_test/Modules/socketmodule.c: In function 'sock_recvmsg': /home/remi/dev/cpython_test/Modules/socketmodule.c:2935: error: storage size of 'iov' isn't known /home/remi/dev/cpython_test/Modules/socketmodule.c:2935: warning: unused variable 'iov' /home/remi/dev/cpython_test/Modules/socketmodule.c: In function 'sock_recvmsg_into': /home/remi/dev/cpython_test/Modules/socketmodule.c:3023: error: invalid application of 'sizeof' to incomplete type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3023: warning: division by zero /home/remi/dev/cpython_test/Modules/socketmodule.c:3023: error: invalid application of 'sizeof' to incomplete type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3034: error: invalid use of undefined type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3034: error: dereferencing pointer to incomplete type /home/remi/dev/cpython_test/Modules/socketmodule.c:3035: error: invalid use of undefined type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3035: error: dereferencing pointer to incomplete type /home/remi/dev/cpython_test/Modules/socketmodule.c: In function 'sock_sendmsg': /home/remi/dev/cpython_test/Modules/socketmodule.c:3332: error: invalid application of 'sizeof' to incomplete type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3332: warning: division by zero /home/remi/dev/cpython_test/Modules/socketmodule.c:3332: error: invalid application of 'sizeof' to incomplete type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3343: error: invalid use of undefined type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3343: error: dereferencing pointer to incomplete type /home/remi/dev/cpython_test/Modules/socketmodule.c:3344: error: invalid use of undefined type 'struct iovec' /home/remi/dev/cpython_test/Modules/socketmodule.c:3344: error: dereferencing pointer to incomplete type *** WARNING: renaming _ssl since importing it failed: No module named '_socket' If I add a #include sys/uio.h, these 2 modules correcly build. Attached file are: -the diff -the details of errors. Thanks, Remi. -- files: socketmodule_build_openbsd.diff keywords: patch messages: 142799 nosy: rpointel priority: normal severity: normal status: open title: module _socket failed to build on OpenBSD versions: Python 3.3 Added file: http://bugs.python.org/file23015/socketmodule_build_openbsd.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12826 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
