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Purpose of Python's __repr__
...thon interpreter to display a class in printable format. Example:
~> python3.5
Python 3.5.1 (v3.5.1:37a07cee5969, Dec 5 2015, 21:12:44)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> class StackOverflo...
Loop through all nested dictionary values?
...
For Python3, use list(d.items()) as d.items() returns a view, not a list, and use v.items() instead of v.iteritems()
– Max
Oct 31 '18 at 23:40
...
Disable IPython Exit Confirmation
...四事件法轮功, with 3.2.1 it isn't - this version even prints usr/lib/python3.5/site-packages/IPython/utils/path.py:291: UserWarning: Ignoring ~/.config/ipython in favour of ~/.ipython. and in the code We have decided to go back to using .ipython everywhere. Apparently they changed it in some 1...
How do I get the path and name of the file that is currently executing?
...
In Python3, os.path.dirname will give you the relative path from where you are running the script. e.g. in python ../../test.py the os.path.dirname will be ../../ and not the absolute path to the script. I was looking for abspat...
Access nested dictionary items via a list of keys?
...
The accepted solution won't work directly for python3 - it will need an from functools import reduce.
Also it seems more pythonic to use a for loop.
See the quote from What’s New In Python 3.0.
Removed reduce(). Use functools.reduce() if you really need it; howev...
Define a lambda expression that raises an Exception
...,1,1,67,'|\0\0\202\1\0',(),(),('x',),'','',1,''),{}
)(Exception())
And a python3 strong stomach solution:
type(lambda: 0)(type((lambda: 0).__code__)(
1,0,1,1,67,b'|\0\202\1\0',(),(),('x',),'','',1,b''),{}
)(Exception())
Thanks @WarrenSpencer for pointing out a very simple answer if you do...
How do you write tests for the argparse portion of a python module? [closed]
... unittest import mock is now the correct import method - well at least for python3
– Michael Hall
Nov 9 '18 at 17:11
1
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How can I read a function's signature including default argument values?
... You'll have to check the source code to understand the call signature. In Python3, getargspec is implemented differently, and there inspect.getargspec(Exception.__init__) returns a ArgSpec instance.
– unutbu
Aug 4 '18 at 1:10
...
How to include package data with setuptools/distribute?
...placed by a new package, called "distutils2" in python2 and "packaging" in python3
– Kevin Horn
Jun 14 '12 at 15:28
...
How to refer to relative paths of resources when working with a code repository
...rk if user runs program using absolute path from different directory. e.g. python3 /usr/someone/test.py
– sgrpwr
Feb 4 at 4:35
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