35 lines
1.6 KiB
Python
35 lines
1.6 KiB
Python
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# Imported by pywin32.pth to bootstrap the pywin32 environment in "portable"
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# environments or any other case where the post-install script isn't run.
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#
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# In short, there's a directory installed by pywin32 named 'pywin32_system32'
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# with some important DLLs which need to be found by Python when some pywin32
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# modules are imported.
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# If Python has `os.add_dll_directory()`, we need to call it with this path.
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# Otherwise, we add this path to PATH.
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import os
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import site
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# The directory should be installed under site-packages.
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dirname = os.path.dirname
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# This is to get the "...\Lib\site-packages" directory
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# out of this file name: "...\Lib\site-packages\win32\Lib\pywin32_bootstrap.py".
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# It needs to be searched when installed in virtual environments.
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level3_up_dir = dirname(dirname(dirname(__file__)))
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site_packages_dirs = getattr(site, "getsitepackages", lambda: [])()
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if level3_up_dir not in site_packages_dirs:
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site_packages_dirs.insert(0, level3_up_dir)
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for site_packages_dir in site_packages_dirs:
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pywin32_system32 = os.path.join(site_packages_dir, "pywin32_system32")
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if os.path.isdir(pywin32_system32):
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if hasattr(os, "add_dll_directory"):
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os.add_dll_directory(pywin32_system32)
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# This is to ensure the pywin32 path is in the beginning to find the
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# pywin32 DLLs first and prevent other PATH entries to shadow them
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elif not os.environ["PATH"].startswith(pywin32_system32):
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os.environ["PATH"] = os.environ["PATH"].replace(os.pathsep + pywin32_system32, "")
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os.environ["PATH"] = pywin32_system32 + os.pathsep + os.environ["PATH"]
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break
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