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59 lines
1.6 KiB
59 lines
1.6 KiB
6 years ago
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"""Add Python to the search path on Windows
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This is a simple script to add Python to the Windows search path. It
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modifies the current user (HKCU) tree of the registry.
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Copyright (c) 2008 by Christian Heimes <christian@cheimes.de>
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Licensed to PSF under a Contributor Agreement.
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"""
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import sys
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import site
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import os
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import winreg
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HKCU = winreg.HKEY_CURRENT_USER
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ENV = "Environment"
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PATH = "PATH"
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DEFAULT = "%PATH%"
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def modify():
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pythonpath = os.path.dirname(os.path.normpath(sys.executable))
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scripts = os.path.join(pythonpath, "Scripts")
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appdata = os.environ["APPDATA"]
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if hasattr(site, "USER_SITE"):
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usersite = site.USER_SITE.replace(appdata, "%APPDATA%")
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userpath = os.path.dirname(usersite)
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userscripts = os.path.join(userpath, "Scripts")
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else:
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userscripts = None
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with winreg.CreateKey(HKCU, ENV) as key:
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try:
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envpath = winreg.QueryValueEx(key, PATH)[0]
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except OSError:
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envpath = DEFAULT
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paths = [envpath]
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for path in (pythonpath, scripts, userscripts):
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if path and path not in envpath and os.path.isdir(path):
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paths.append(path)
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envpath = os.pathsep.join(paths)
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winreg.SetValueEx(key, PATH, 0, winreg.REG_EXPAND_SZ, envpath)
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return paths, envpath
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def main():
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paths, envpath = modify()
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if len(paths) > 1:
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print("Path(s) added:")
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print('\n'.join(paths[1:]))
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else:
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print("No path was added")
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print("\nPATH is now:\n%s\n" % envpath)
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print("Expanded:")
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print(winreg.ExpandEnvironmentStrings(envpath))
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if __name__ == '__main__':
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main()
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