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How to check if a python module exists without importing it
I need to know if a python module exists, without importing it.
13 Answers
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Sound alarm when code finishes
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This doesn't appear to work through ipython/Jupyter
– Kyle Barron
Nov 15 '19 at 22:57
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How to list only top level directories in Python?
...os.walk
Use os.walk with next item function:
next(os.walk('.'))[1]
For Python <=2.5 use:
os.walk('.').next()[1]
How this works
os.walk is a generator and calling next will get the first result in the form of a 3-tuple (dirpath, dirnames, filenames). Thus the [1] index returns only the dir...
How to print colored text in Python?
How can I output colored text to the terminal in Python?
46 Answers
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How can I beautify JavaScript code using Command Line?
...be a moving target. Now the info on jsbeautifier site says it's written in python.
– seth
Apr 26 '11 at 3:57
update fo...
View markdown files offline [closed]
...ution, which is what makes Grip so accurate. Also, gfms is node based, not Python.
– Joe
Aug 1 '14 at 18:04
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Changing user agent on urllib2.urlopen
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Setting the User-Agent from everyone's favorite Dive Into Python.
The short story: You can use Request.add_header to do this.
You can also pass the headers as a dictionary when creating the Request itself, as the docs note:
headers should be a dictionary, and will be treated a...
What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
Python's http.server (or SimpleHTTPServer for Python 2) is a great way of serve the contents of the current directory from the command line:
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Convert UTC datetime string to local datetime
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If you don't want to provide your own tzinfo objects, check out the python-dateutil library. It provides tzinfo implementations on top of a zoneinfo (Olson) database such that you can refer to time zone rules by a somewhat canonical name.
from datetime import datetime
from dateutil import t...
Test if executable exists in Python?
In Python, is there a portable and simple way to test if an executable program exists?
21 Answers
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