大约有 9,000 项符合查询结果（耗时：0.0201秒） [XML]
How can I safely create a nested directory?
...e is going to be written to exists, and if not, create the directory using Python? Here is what I tried:
26 Answers
...
Relative paths in Python
...he file directly. If so, that doesn't appear to be the case on my system (python 2.5.1 on OS X 10.5.7):
#foo.py
import os
print os.getcwd()
print __file__
#in the interactive interpreter
>>> import foo
/Users/jason
foo.py
#and finally, at the shell:
~ % python foo.py
/Users/jason
foo.py...
Read .mat files in Python
Is it possible to read binary MATLAB .mat files in Python?
8 Answers
8
...
What's the best practice using a settings file in Python? [closed]
...
You can have a regular Python module, say config.py, like this:
truck = dict(
color = 'blue',
brand = 'ford',
)
city = 'new york'
cabriolet = dict(
color = 'black',
engine = dict(
cylinders = 8,
placement = 'mid',
...
Proper way to declare custom exceptions in modern Python?
What's the proper way to declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
...
What is the difference between a string and a byte string?
...
Assuming Python 3 (in Python 2, this difference is a little less well-defined) - a string is a sequence of characters, ie unicode codepoints; these are an abstract concept, and can't be directly stored on disk. A byte string is a sequ...
Combine --user with --prefix error with setup.py install
I was trying to install Python packages a system I recently gained access to. I was trying to take advantage of Python's relatively new per user site-packages directory , and the new option --user . (The option is currently undocumented , however it exists for Python 2.6+; you can see the help by...
How do I correctly clean up a Python object?
..._del__(self) above fails with an AttributeError exception. I understand Python doesn't guarantee the existence of "global variables" (member data in this context?) when __del__() is invoked. If that is the case and this is the reason for the exception, how do I make sure the object destructs ...
Why can't Python find shared objects that are in directories in sys.path?
...
sys.path is only searched for Python modules. For dynamic linked libraries, the paths searched must be in LD_LIBRARY_PATH. Check if your LD_LIBRARY_PATH includes /usr/local/lib, and if it doesn't, add it and try again.
Some more information (source):
...
Matrix Transpose in Python
I am trying to create a matrix transpose function for python but I can't seem to make it work.
Say I have
18 Answers
...