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Multiple variables in a 'with' statement?
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It is possible in Python 3 since v3.1 and Python 2.7. The new with syntax supports multiple context managers:
with A() as a, B() as b, C() as c:
doSomething(a,b,c)
Unlike the contextlib.nested, this guarantees that a and b will have their __exit__()'s called even if ...
How to import a module given the full path?
...ngs = run_path("/path/to/file.py")
That interface is available in Python 2.7 and Python 3.2+
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Python dictionary from an object's fields
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Note that best practice in Python 2.7 is to use new-style classes (not needed with Python 3), i.e.
class Foo(object):
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Also, there's a difference between an 'object' and a 'class'. To build a dictionary from an arbitrary object, it's sufficient to us...
Open file in a relative location in Python
...ason), and you need to call os.path.abspath(__file__) first. osx/homebrew 2.7
– Cory Mawhorter
Jul 17 '13 at 21:35
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Is there a way to list pip dependencies/requirements?
...t;=3.0.2 Universal encoding detector for Python 2 and 3
├── idna<2.7,>=2.5 Internationalized Domain Names in Applications (IDNA)
└── urllib3<1.23,>=1.21.1 HTTP library with thread-safe connection pooling, file post, and more.
A more complex tree:
$ johnnydep ipyt...
Outputting data from unit test in python
...hat, like me, comes here looking for a simple and quick answer.
In Python 2.7 you could use an additional parameter msg to add information to the error message like this:
self.assertEqual(f.bar(t2), 2, msg='{0}, {1}'.format(t1, t2))
Offical docs here
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Check to see if python script is running
...emoved and you should use open() instead. Additionally, even if you're on 2.7 you should use open() over file() as explained here: docs.python.org/2/library/functions.html#file (And yes, if you used python back around 2.2 the official advice was the opposite. Apparently they changed their minds.)
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How do I calculate percentiles with python/numpy?
....92, 1.98, 2.04, 2.1, 2.16, 2.22, 2.28, 2.34, 2.4, 2.46, 2.52, 2.58, 2.64, 2.7, 2.76, 2.82, 2.88, 2.94, 3.0, 3.06, 3.12, 3.18, 3.24, 3.3, 3.36, 3.42, 3.48, 3.54, 3.6, 3.66, 3.72, 3.78, 3.84, 3.9, 3.96, 4.02, 4.08, 4.14, 4.2, 4.26, 4.32, 4.38, 4.44, 4.5, 4.56, 4.62, 4.68, 4.74, 4.8, 4.86, 4.92, 4.98,...
How to identify whether a file is normal file or directory
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In [7]: q.is_dir()
Out[7]: False
Pathlib is also available on Python 2.7 via the pathlib2 module on PyPi.
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Is generator.next() visible in Python 3?
...less you need to support Python versions earlier than 2.6. Python 2.6 and 2.7 have the next built-in function.
– Mark Dickinson
Sep 17 '15 at 17:15
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