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Are nested try/except blocks in python a good programming practice?
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Your first example is perfectly fine. Even the official Python docs recommend this style known as EAFP.
Personally, I prefer to avoid nesting when it's not necessary:
def __getattribute__(self, item):
try:
return object.__getattribute__(item)
except AttributeErro...
how to “reimport” module to python then code be changed after import
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For Python 2.x
reload(foo)
For Python 3.x
import importlib
import foo #import the module here, so that it can be reloaded.
importlib.reload(foo)
sh...
Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
...is correct; do equery belongs belongs /usr/include/gnu/stubs-32.h)
On ArchLinux, the package name is lib32-glibc - do pacman -S lib32-glibc.
Are you using Ubuntu 12.04? There is a known problem that puts the files in a non standard location. You'll also need to do:
export LIBRARY_PATH=/usr/lib/...
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
python setup.py install will automatically install packages listed in requires=[] using easy_install . How do I get it to use pip instead?
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How to terminate a Python script
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details from the sys module documentation:
sys.exit([arg])
Exit from Python. This is implemented by raising the
SystemExit exception, so cleanup actions specified by finally clauses
of try statements are honored, and it is possible to intercept the
exit attempt at an outer level.
The optiona...
Find a file in python
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Please consider updating your answer to Python 3.x primitives
– Dima Tisnek
Dec 19 '16 at 10:30
1
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How to do multiple arguments to map function where one remains the same in python?
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@abarnert: It's unclear whether the OP is using Python 2 or 3. To make sure the example works in Python 2, I included the parameter. (Note that map() behaves like zip_longest() in Python 2, while it behaves like zip() in Python 3.)
– Sven Marnach
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What is the pythonic way to avoid default parameters that are empty lists?
... it seems natural to have a default parameter which is an empty list. Yet Python gives unexpected behavior in these situations .
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Directory-tree listing in Python
How do I get a list of all files (and directories) in a given directory in Python?
20 Answers
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Running shell command and capturing the output
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The answer to this question depends on the version of Python you're using. The simplest approach is to use the subprocess.check_output function:
>>> subprocess.check_output(['ls', '-l'])
b'total 0\n-rw-r--r-- 1 memyself staff 0 Mar 14 11:04 files\n'
check_output r...