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Import a module from a relative path

...se this in production in several products and works in many special scenarios like: scripts called from another directory or executed with python execute instead of opening a new interpreter. import os, sys, inspect # realpath() will make your script run, even if you symlink it :) cmd_folder = o...
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Extracting extension from filename in Python

... Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation): >>> import os >>> filename, file_extension = os.path.splitext('/path/to/somefile.ext') >>> filename '/path/to/somefile' &...
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How do I find out my python path using python?

...HONPATH environment variable. To query the variable directly, use: import os try: user_paths = os.environ['PYTHONPATH'].split(os.pathsep) except KeyError: user_paths = [] share | improve t...
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Find a file in python

... os.walk is the answer, this will find the first match: import os def find(name, path): for root, dirs, files in os.walk(path): if name in files: return os.path.join(root, name) And this will find a...
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]

If there's some cross-platform C/C++ code that should be compiled on Mac OS X, iOS, Linux, Windows, how can I detect them reliably during preprocessor process? ...
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What is the difference between os.path.basename() and os.path.dirname()?

What is the difference between os.path.basename() and os.path.dirname() ? 2 Answers ...
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Check whether a path is valid in Python without creating a file at the path's target

...hname validity and, for valid pathnames, the existence or writability of those paths?" is clearly two separate questions. Both are interesting, and neither have received a genuinely satisfactory answer here... or, well, anywhere that I could grep. vikki's answer probably hews the closest, but has t...
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Correct way to write line to file?

...le: the_file.write('Hello\n') From The Documentation: Do not use os.linesep as a line terminator when writing files opened in text mode (the default); use a single '\n' instead, on all platforms. Some useful reading: The with statement open() 'a' is for append, or use 'w' to write wi...
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How do I change the working directory in Python?

... You can change the working directory with: import os os.chdir(path) There are two best practices to follow when using this method: Catch the exception (WindowsError, OSError) on invalid path. If the exception is thrown, do not perform any recursive operations, especial...
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How do I execute a program from Python? os.system fails due to spaces in path

... Yes, the os.exec* functions will replace the current process, so your python process won't continue. They're used more on unix where the general method for a shell to launch a command is to fork() and then exec() in the child. ...
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