Python

default argument
Hi, Is this grammer working in Python? class test: self._value = 10 def func(self, self._value) When i try it, it complains about undefined self. i don't know why. TIA ... 11 May 2010 17:54

How to make this doctest work?
On 5/11/2010 5:29 AM, Xie&Tian wrote: Hello I ran across this accidentally and wonders how to make the doctest in following code snippet work: import doctest def a(): """ a = '\\r\\n' print a No matter how many blank lines I add here, it just c... 11 May 2010 15:38

documentation bug? (format spec mini language)
The documentation at http://docs.python.org/py3k/library/string.html#format-specification-mini-language '<' Forces the field to be left-aligned within the available space (This is the default.) The conflicting example:: format(3.2,'10.5f') ' 3.20000' format(3.2,'... 12 May 2010 22:31

Slice last char from string without raising exception on empty string (Re: Extract all words that begin with x)
On Tue, May 11, 2010 at 10:37 AM, <python(a)bdurham.com> wrote: Is there an equivalent way to slice the last char from a string (similar to an .endswith) that doesn't raise an exception when a string is empty? If you use negative indexes in the slice, they refer to items from the end of the sequence instead of... 11 May 2010 13:22

Slice last char from string without raising exception on emptystring (Re: Extract all words that begin with x)
python(a)bdurham.com ha scritto: Terry, ... word[0:1] does the same thing. All Python programmers should learn to use slicing to extract a char from a string that might be empty. Is there an equivalent way to slice the last char from a string (similar to an .endswith) that doesn't raise an exception... 11 May 2010 12:15

Slice last char from string without raising exception on empty string(Re: Extract all words that begin with x)
Terry, ... word[0:1] does the same thing. All Python programmers should learn to use slicing to extract a char from a string that might be empty. Is there an equivalent way to slice the last char from a string (similar to an .endswith) that doesn't raise an exception when a string is empty? Thanks, Malcol... 11 May 2010 11:08

urllib.urlopen blocking?
Hi, I'm new to python and have been playing around with it for a few days now. So please forgive me if this is a stupid question :) I've tried writing a little application with pygtk and urllib. When a button is clicked I create a new thread that opens an URL with urllib. The new thread is running but as soon ... 11 May 2010 11:08

reading xml from python
On Tue, May 11, 2010 at 5:54 AM, Hvidberg, Martin <mhv(a)dmu.dk> wrote: I'm looking for at way to read (and later write) small simple .xml file from Python. e.g. I would like to read the following from a small ini.xml file into a dictionary. <?xml version="1.0" encoding="UTF-8"?> <initialisati... 11 May 2010 10:02

how to import a module for global use in a library package ?
Aur� Gourrier wrote: [snip] My question is the following: I need to import an external package, say numpy, for use in various submodules. So far, I simply do an import numpy as _numpy where needed, say sub1module1 and sub2module2. This means that I import this package a number of times which doesn't ... 12 May 2010 04:47

unittest basics
is there a way to test that a certian library or module is or can be loaded successfully? self.assert('import blah') -- John Maclean MSc. (DIC) BSc. (Hons) Linux Systems and Applications 07739 171 531 ... 11 May 2010 08:55