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32 lines
1.7 KiB
Python
32 lines
1.7 KiB
Python
"""
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This compat modules is a wrapper of the core os module that forbids usage of specific operations
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(e.g. chown, chmod, getuid) that would be harmful to the Windows file security model of Certbot.
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This module is intended to replace standard os module throughout certbot projects (except acme).
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"""
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from __future__ import absolute_import
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# First round of wrapping: we import statically all public attributes exposed by the os module
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# This allows in particular to have pylint, mypy, IDEs be aware that most of os members are
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# available in certbot.compat.os.
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from os import * # type: ignore # pylint: disable=wildcard-import,unused-wildcard-import,redefined-builtin,os-module-forbidden
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# Second round of wrapping: we import dynamically all attributes from the os module that have not
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# yet been imported by the first round (static import). This covers in particular the case of
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# specific python 3.x versions where not all public attributes are in the special __all__ of os,
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# and so not in `from os import *`.
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import os as std_os # pylint: disable=os-module-forbidden
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import sys as std_sys
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ourselves = std_sys.modules[__name__]
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for attribute in dir(std_os):
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# Check if the attribute does not already exist in our module. It could be internal attributes
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# of the module (__name__, __doc__), or attributes from standard os already imported with
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# `from os import *`.
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if not hasattr(ourselves, attribute):
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setattr(ourselves, attribute, getattr(std_os, attribute))
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# Similar to os.path, allow certbot.compat.os.path to behave as a module
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std_sys.modules[__name__ + '.path'] = path
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# Clean all remaining importables that are not from the core os module.
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del ourselves, std_os, std_sys
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