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I don't think this has been asked before-I have a folder that has lots of different .py files. The script I've made only uses some-but some call others & I don't know all the ones being used. Is there a program that will get everything needed to make that script run into one folder?
Cheers!
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Python __all__ is a variable that can be set in the __init__.py file of a package. The __all__ variable is a list of strings that defines those symbols that are imported when a program does.
In order to import a module, the directory having that module must be present on PYTHONPATH. It is an environment variable that contains the list of packages that will be loaded by Python. The list of packages presents in PYTHONPATH is also present in sys. path, so will add the parent directory path to the sys.
Usually the Python library is located in the site-packages folder within the Python install directory, however, if it is not located in the site-packages folder and you are uncertain where it is installed, here is a Python sample to locate Python modules installed on your computer.
The __init__.py file makes Python treat directories containing it as modules. Furthermore, this is the first file to be loaded in a module, so you can use it to execute code that you want to run each time a module is loaded, or specify the submodules to be exported.
Use the modulefinder module in the standard library, see e.g. http://docs.python.org/library/modulefinder.html
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# zipmod.py - make a zip archive consisting of Python modules and their dependencies as reported by modulefinder
# To use: cd to the directory containing your Python module tree and type
# $ python zipmod.py archive.zip mod1.py mod2.py ...
# Only modules in the current working directory and its subdirectories will be included.
# Written and tested on Mac OS X, but it should work on other platforms with minimal modifications.
import modulefinder
import os
import sys
import zipfile
def main(output, *mnames):
mf = modulefinder.ModuleFinder()
for mname in mnames:
mf.run_script(mname)
cwd = os.getcwd()
zf = zipfile.ZipFile(output, 'w')
for mod in mf.modules.itervalues():
if not mod.__file__:
continue
modfile = os.path.abspath(mod.__file__)
if os.path.commonprefix([cwd, modfile]) == cwd:
zf.write(modfile, os.path.relpath(modfile))
zf.close()
if __name__ == '__main__':
main(*sys.argv[1:])
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