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			711 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			711 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """Provide access to Python's configuration information.
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| 
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| """
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| import sys
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| import os
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| from os.path import pardir, realpath
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| 
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| __all__ = ['parse_config_h', 'get_config_h_filename', 'get_scheme_names',
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|            'get_path_names', 'get_paths', 'get_path', 'get_config_vars',
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|            'get_config_var', 'get_platform', 'get_python_version']
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| 
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| _INSTALL_SCHEMES = {
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|     'posix_prefix': {
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|         'stdlib': '{base}/lib/python{py_version_short}',
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|         'platstdlib': '{platbase}/lib/python{py_version_short}',
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|         'purelib': '{base}/lib/python{py_version_short}/site-packages',
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|         'platlib': '{platbase}/lib/python{py_version_short}/site-packages',
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|         'include': '{base}/include/python{py_version_short}',
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|         'platinclude': '{platbase}/include/python{py_version_short}',
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|         'scripts': '{base}/bin',
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|         'data': '{base}',
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|         },
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|     'posix_home': {
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|         'stdlib': '{base}/lib/python',
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|         'platstdlib': '{base}/lib/python',
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|         'purelib': '{base}/lib/python',
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|         'platlib': '{base}/lib/python',
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|         'include': '{base}/include/python',
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|         'platinclude': '{base}/include/python',
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|         'scripts': '{base}/bin',
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|         'data'   : '{base}',
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|         },
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|     'nt': {
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|         'stdlib': '{base}/Lib',
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|         'platstdlib': '{base}/Lib',
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|         'purelib': '{base}/Lib/site-packages',
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|         'platlib': '{base}/Lib/site-packages',
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|         'include': '{base}/Include',
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|         'platinclude': '{base}/Include',
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|         'scripts': '{base}/Scripts',
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|         'data'   : '{base}',
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|         },
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|     'os2': {
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|         'stdlib': '{base}/Lib',
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|         'platstdlib': '{base}/Lib',
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|         'purelib': '{base}/Lib/site-packages',
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|         'platlib': '{base}/Lib/site-packages',
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|         'include': '{base}/Include',
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|         'platinclude': '{base}/Include',
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|         'scripts': '{base}/Scripts',
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|         'data'   : '{base}',
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|         },
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|     'os2_home': {
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|         'stdlib': '{userbase}/lib/python{py_version_short}',
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|         'platstdlib': '{userbase}/lib/python{py_version_short}',
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|         'purelib': '{userbase}/lib/python{py_version_short}/site-packages',
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|         'platlib': '{userbase}/lib/python{py_version_short}/site-packages',
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|         'include': '{userbase}/include/python{py_version_short}',
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|         'scripts': '{userbase}/bin',
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|         'data'   : '{userbase}',
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|         },
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|     'nt_user': {
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|         'stdlib': '{userbase}/Python{py_version_nodot}',
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|         'platstdlib': '{userbase}/Python{py_version_nodot}',
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|         'purelib': '{userbase}/Python{py_version_nodot}/site-packages',
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|         'platlib': '{userbase}/Python{py_version_nodot}/site-packages',
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|         'include': '{userbase}/Python{py_version_nodot}/Include',
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|         'scripts': '{userbase}/Scripts',
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|         'data'   : '{userbase}',
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|         },
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|     'posix_user': {
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|         'stdlib': '{userbase}/lib/python{py_version_short}',
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|         'platstdlib': '{userbase}/lib/python{py_version_short}',
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|         'purelib': '{userbase}/lib/python{py_version_short}/site-packages',
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|         'platlib': '{userbase}/lib/python{py_version_short}/site-packages',
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|         'include': '{userbase}/include/python{py_version_short}',
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|         'scripts': '{userbase}/bin',
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|         'data'   : '{userbase}',
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|         },
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|     'osx_framework_user': {
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|         'stdlib': '{userbase}/lib/python',
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|         'platstdlib': '{userbase}/lib/python',
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|         'purelib': '{userbase}/lib/python/site-packages',
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|         'platlib': '{userbase}/lib/python/site-packages',
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|         'include': '{userbase}/include',
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|         'scripts': '{userbase}/bin',
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|         'data'   : '{userbase}',
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|         },
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|     }
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| 
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| _SCHEME_KEYS = ('stdlib', 'platstdlib', 'purelib', 'platlib', 'include',
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|                 'scripts', 'data')
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| _PY_VERSION = sys.version.split()[0]
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| _PY_VERSION_SHORT = sys.version[:3]
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| _PY_VERSION_SHORT_NO_DOT = _PY_VERSION[0] + _PY_VERSION[2]
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| _PREFIX = os.path.normpath(sys.prefix)
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| _EXEC_PREFIX = os.path.normpath(sys.exec_prefix)
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| _CONFIG_VARS = None
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| _USER_BASE = None
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| if sys.executable:
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|     _PROJECT_BASE = os.path.dirname(realpath(sys.executable))
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| else:
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|     # sys.executable can be empty if argv[0] has been changed and Python is
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|     # unable to retrieve the real program name
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|     _PROJECT_BASE = realpath(os.getcwd())
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| 
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| if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower():
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|     _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir))
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| # PC/VS7.1
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| if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower():
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|     _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
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| # PC/AMD64
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| if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower():
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|     _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
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| 
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| def is_python_build():
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|     for fn in ("Setup.dist", "Setup.local"):
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|         if os.path.isfile(os.path.join(_PROJECT_BASE, "Modules", fn)):
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|             return True
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|     return False
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| 
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| _PYTHON_BUILD = is_python_build()
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| 
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| if _PYTHON_BUILD:
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|     for scheme in ('posix_prefix', 'posix_home'):
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|         _INSTALL_SCHEMES[scheme]['include'] = '{projectbase}/Include'
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|         _INSTALL_SCHEMES[scheme]['platinclude'] = '{srcdir}'
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| 
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| def _subst_vars(s, local_vars):
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|     try:
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|         return s.format(**local_vars)
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|     except KeyError:
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|         try:
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|             return s.format(**os.environ)
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|         except KeyError as var:
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|             raise AttributeError('{%s}' % var)
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| 
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| def _extend_dict(target_dict, other_dict):
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|     target_keys = target_dict.keys()
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|     for key, value in other_dict.items():
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|         if key in target_keys:
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|             continue
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|         target_dict[key] = value
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| 
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| def _expand_vars(scheme, vars):
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|     res = {}
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|     if vars is None:
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|         vars = {}
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|     _extend_dict(vars, get_config_vars())
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| 
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|     for key, value in _INSTALL_SCHEMES[scheme].items():
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|         if os.name in ('posix', 'nt'):
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|             value = os.path.expanduser(value)
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|         res[key] = os.path.normpath(_subst_vars(value, vars))
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|     return res
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| 
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| def _get_default_scheme():
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|     if os.name == 'posix':
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|         # the default scheme for posix is posix_prefix
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|         return 'posix_prefix'
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|     return os.name
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| 
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| def _getuserbase():
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|     env_base = os.environ.get("PYTHONUSERBASE", None)
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|     def joinuser(*args):
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|         return os.path.expanduser(os.path.join(*args))
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| 
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|     # what about 'os2emx', 'riscos' ?
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|     if os.name == "nt":
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|         base = os.environ.get("APPDATA") or "~"
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|         return env_base if env_base else joinuser(base, "Python")
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| 
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|     if sys.platform == "darwin":
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|         framework = get_config_var("PYTHONFRAMEWORK")
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|         if framework:
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|             return joinuser("~", "Library", framework, "%d.%d"%(
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|                 sys.version_info[:2]))
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| 
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|     return env_base if env_base else joinuser("~", ".local")
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| 
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| 
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| def _parse_makefile(filename, vars=None):
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|     """Parse a Makefile-style file.
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| 
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|     A dictionary containing name/value pairs is returned.  If an
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|     optional dictionary is passed in as the second argument, it is
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|     used instead of a new dictionary.
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|     """
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|     import re
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|     # Regexes needed for parsing Makefile (and similar syntaxes,
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|     # like old-style Setup files).
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|     _variable_rx = re.compile("([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)")
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|     _findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)")
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|     _findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}")
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| 
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|     if vars is None:
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|         vars = {}
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|     done = {}
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|     notdone = {}
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| 
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|     with open(filename) as f:
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|         lines = f.readlines()
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| 
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|     for line in lines:
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|         if line.startswith('#') or line.strip() == '':
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|             continue
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|         m = _variable_rx.match(line)
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|         if m:
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|             n, v = m.group(1, 2)
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|             v = v.strip()
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|             # `$$' is a literal `$' in make
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|             tmpv = v.replace('$$', '')
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| 
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|             if "$" in tmpv:
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|                 notdone[n] = v
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|             else:
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|                 try:
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|                     v = int(v)
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|                 except ValueError:
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|                     # insert literal `$'
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|                     done[n] = v.replace('$$', '$')
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|                 else:
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|                     done[n] = v
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| 
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|     # do variable interpolation here
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|     variables = list(notdone.keys())
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| 
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|     while len(variables) > 0:
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|         for name in tuple(variables):
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|             value = notdone[name]
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|             m = _findvar1_rx.search(value) or _findvar2_rx.search(value)
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|             if m is not None:
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|                 n = m.group(1)
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|                 found = True
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|                 if n in done:
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|                     item = str(done[n])
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|                 elif n in notdone:
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|                     # get it on a subsequent round
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|                     found = False
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|                 elif n in os.environ:
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|                     # do it like make: fall back to environment
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|                     item = os.environ[n]
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|                 else:
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|                     done[n] = item = ""
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|                 if found:
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|                     after = value[m.end():]
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|                     value = value[:m.start()] + item + after
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|                     if "$" in after:
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|                         notdone[name] = value
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|                     else:
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|                         try:
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|                             value = int(value)
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|                         except ValueError:
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|                             done[name] = value.strip()
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|                         else:
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|                             done[name] = value
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|                         variables.remove(name)
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|             else:
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|                 # bogus variable reference; just drop it since we can't deal
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|                 variables.remove(name)
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| 
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|     # save the results in the global dictionary
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|     vars.update(done)
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|     return vars
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| 
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| 
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| def _get_makefile_filename():
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|     if _PYTHON_BUILD:
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|         return os.path.join(_PROJECT_BASE, "Makefile")
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|     return os.path.join(get_path('stdlib'), "config", "Makefile")
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| 
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| 
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| def _init_posix(vars):
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|     """Initialize the module as appropriate for POSIX systems."""
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|     # load the installed Makefile:
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|     makefile = _get_makefile_filename()
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|     try:
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|         _parse_makefile(makefile, vars)
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|     except IOError as e:
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|         msg = "invalid Python installation: unable to open %s" % makefile
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|         if hasattr(e, "strerror"):
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|             msg = msg + " (%s)" % e.strerror
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|         raise IOError(msg)
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|     # load the installed pyconfig.h:
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|     config_h = get_config_h_filename()
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|     try:
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|         parse_config_h(open(config_h), vars)
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|     except IOError as e:
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|         msg = "invalid Python installation: unable to open %s" % config_h
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|         if hasattr(e, "strerror"):
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|             msg = msg + " (%s)" % e.strerror
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|         raise IOError(msg)
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|     # On MacOSX we need to check the setting of the environment variable
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|     # MACOSX_DEPLOYMENT_TARGET: configure bases some choices on it so
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|     # it needs to be compatible.
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|     # If it isn't set we set it to the configure-time value
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|     if sys.platform == 'darwin' and 'MACOSX_DEPLOYMENT_TARGET' in vars:
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|         cfg_target = vars['MACOSX_DEPLOYMENT_TARGET']
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|         cur_target = os.getenv('MACOSX_DEPLOYMENT_TARGET', '')
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|         if cur_target == '':
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|             cur_target = cfg_target
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|             os.putenv('MACOSX_DEPLOYMENT_TARGET', cfg_target)
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|         elif (list(map(int, cfg_target.split('.'))) >
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|               list(map(int, cur_target.split('.')))):
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|             msg = ('$MACOSX_DEPLOYMENT_TARGET mismatch: now "%s" but "%s" '
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|                    'during configure' % (cur_target, cfg_target))
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|             raise IOError(msg)
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|     # On AIX, there are wrong paths to the linker scripts in the Makefile
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|     # -- these paths are relative to the Python source, but when installed
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|     # the scripts are in another directory.
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|     if _PYTHON_BUILD:
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|         vars['LDSHARED'] = vars['BLDSHARED']
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| 
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| def _init_non_posix(vars):
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|     """Initialize the module as appropriate for NT"""
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|     # set basic install directories
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|     vars['LIBDEST'] = get_path('stdlib')
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|     vars['BINLIBDEST'] = get_path('platstdlib')
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|     vars['INCLUDEPY'] = get_path('include')
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|     vars['SO'] = '.pyd'
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|     vars['EXE'] = '.exe'
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|     vars['VERSION'] = _PY_VERSION_SHORT_NO_DOT
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|     vars['BINDIR'] = os.path.dirname(realpath(sys.executable))
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| 
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| #
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| # public APIs
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| #
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| 
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| 
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| def parse_config_h(fp, vars=None):
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|     """Parse a config.h-style file.
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| 
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|     A dictionary containing name/value pairs is returned.  If an
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|     optional dictionary is passed in as the second argument, it is
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|     used instead of a new dictionary.
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|     """
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|     import re
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|     if vars is None:
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|         vars = {}
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|     define_rx = re.compile("#define ([A-Z][A-Za-z0-9_]+) (.*)\n")
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|     undef_rx = re.compile("/[*] #undef ([A-Z][A-Za-z0-9_]+) [*]/\n")
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| 
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|     while True:
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|         line = fp.readline()
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|         if not line:
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|             break
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|         m = define_rx.match(line)
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|         if m:
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|             n, v = m.group(1, 2)
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|             try: v = int(v)
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|             except ValueError: pass
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|             vars[n] = v
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|         else:
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|             m = undef_rx.match(line)
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|             if m:
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|                 vars[m.group(1)] = 0
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|     return vars
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| 
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| def get_config_h_filename():
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|     """Returns the path of pyconfig.h."""
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|     if _PYTHON_BUILD:
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|         if os.name == "nt":
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|             inc_dir = os.path.join(_PROJECT_BASE, "PC")
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|         else:
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|             inc_dir = _PROJECT_BASE
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|     else:
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|         inc_dir = get_path('platinclude')
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|     return os.path.join(inc_dir, 'pyconfig.h')
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| 
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| def get_scheme_names():
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|     """Returns a tuple containing the schemes names."""
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|     schemes = list(_INSTALL_SCHEMES.keys())
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|     schemes.sort()
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|     return tuple(schemes)
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| 
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| def get_path_names():
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|     """Returns a tuple containing the paths names."""
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|     return _SCHEME_KEYS
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| 
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| def get_paths(scheme=_get_default_scheme(), vars=None, expand=True):
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|     """Returns a mapping containing an install scheme.
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| 
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|     ``scheme`` is the install scheme name. If not provided, it will
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|     return the default scheme for the current platform.
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|     """
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|     if expand:
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|         return _expand_vars(scheme, vars)
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|     else:
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|         return _INSTALL_SCHEMES[scheme]
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| 
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| def get_path(name, scheme=_get_default_scheme(), vars=None, expand=True):
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|     """Returns a path corresponding to the scheme.
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| 
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|     ``scheme`` is the install scheme name.
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|     """
 | |
|     return get_paths(scheme, vars, expand)[name]
 | |
| 
 | |
| def get_config_vars(*args):
 | |
|     """With no arguments, return a dictionary of all configuration
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|     variables relevant for the current platform.
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| 
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|     On Unix, this means every variable defined in Python's installed Makefile;
 | |
|     On Windows and Mac OS it's a much smaller set.
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| 
 | |
|     With arguments, return a list of values that result from looking up
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|     each argument in the configuration variable dictionary.
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|     """
 | |
|     import re
 | |
|     global _CONFIG_VARS
 | |
|     if _CONFIG_VARS is None:
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|         _CONFIG_VARS = {}
 | |
|         # Normalized versions of prefix and exec_prefix are handy to have;
 | |
|         # in fact, these are the standard versions used most places in the
 | |
|         # Distutils.
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|         _CONFIG_VARS['prefix'] = _PREFIX
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|         _CONFIG_VARS['exec_prefix'] = _EXEC_PREFIX
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|         _CONFIG_VARS['py_version'] = _PY_VERSION
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|         _CONFIG_VARS['py_version_short'] = _PY_VERSION_SHORT
 | |
|         _CONFIG_VARS['py_version_nodot'] = _PY_VERSION[0] + _PY_VERSION[2]
 | |
|         _CONFIG_VARS['base'] = _PREFIX
 | |
|         _CONFIG_VARS['platbase'] = _EXEC_PREFIX
 | |
|         _CONFIG_VARS['projectbase'] = _PROJECT_BASE
 | |
| 
 | |
|         if os.name in ('nt', 'os2'):
 | |
|             _init_non_posix(_CONFIG_VARS)
 | |
|         if os.name == 'posix':
 | |
|             _init_posix(_CONFIG_VARS)
 | |
|         # Setting 'userbase' is done below the call to the
 | |
|         # init function to enable using 'get_config_var' in
 | |
|         # the init-function.
 | |
|         _CONFIG_VARS['userbase'] = _getuserbase()
 | |
| 
 | |
|         if 'srcdir' not in _CONFIG_VARS:
 | |
|             _CONFIG_VARS['srcdir'] = _PROJECT_BASE
 | |
| 
 | |
| 
 | |
|         # Convert srcdir into an absolute path if it appears necessary.
 | |
|         # Normally it is relative to the build directory.  However, during
 | |
|         # testing, for example, we might be running a non-installed python
 | |
|         # from a different directory.
 | |
|         if _PYTHON_BUILD and os.name == "posix":
 | |
|             base = _PROJECT_BASE
 | |
|             if (not os.path.isabs(_CONFIG_VARS['srcdir']) and
 | |
|                 base != os.getcwd()):
 | |
|                 # srcdir is relative and we are not in the same directory
 | |
|                 # as the executable. Assume executable is in the build
 | |
|                 # directory and make srcdir absolute.
 | |
|                 srcdir = os.path.join(base, _CONFIG_VARS['srcdir'])
 | |
|                 _CONFIG_VARS['srcdir'] = os.path.normpath(srcdir)
 | |
| 
 | |
|         if sys.platform == 'darwin':
 | |
|             kernel_version = os.uname()[2] # Kernel version (8.4.3)
 | |
|             major_version = int(kernel_version.split('.')[0])
 | |
| 
 | |
|             if major_version < 8:
 | |
|                 # On Mac OS X before 10.4, check if -arch and -isysroot
 | |
|                 # are in CFLAGS or LDFLAGS and remove them if they are.
 | |
|                 # This is needed when building extensions on a 10.3 system
 | |
|                 # using a universal build of python.
 | |
|                 for key in ('LDFLAGS', 'BASECFLAGS',
 | |
|                         # a number of derived variables. These need to be
 | |
|                         # patched up as well.
 | |
|                         'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'):
 | |
|                     flags = _CONFIG_VARS[key]
 | |
|                     flags = re.sub('-arch\s+\w+\s', ' ', flags)
 | |
|                     flags = re.sub('-isysroot [^ \t]*', ' ', flags)
 | |
|                     _CONFIG_VARS[key] = flags
 | |
|             else:
 | |
|                 # Allow the user to override the architecture flags using
 | |
|                 # an environment variable.
 | |
|                 # NOTE: This name was introduced by Apple in OSX 10.5 and
 | |
|                 # is used by several scripting languages distributed with
 | |
|                 # that OS release.
 | |
|                 if 'ARCHFLAGS' in os.environ:
 | |
|                     arch = os.environ['ARCHFLAGS']
 | |
|                     for key in ('LDFLAGS', 'BASECFLAGS',
 | |
|                         # a number of derived variables. These need to be
 | |
|                         # patched up as well.
 | |
|                         'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'):
 | |
| 
 | |
|                         flags = _CONFIG_VARS[key]
 | |
|                         flags = re.sub('-arch\s+\w+\s', ' ', flags)
 | |
|                         flags = flags + ' ' + arch
 | |
|                         _CONFIG_VARS[key] = flags
 | |
| 
 | |
|                 # If we're on OSX 10.5 or later and the user tries to
 | |
|                 # compiles an extension using an SDK that is not present
 | |
|                 # on the current machine it is better to not use an SDK
 | |
|                 # than to fail.
 | |
|                 #
 | |
|                 # The major usecase for this is users using a Python.org
 | |
|                 # binary installer  on OSX 10.6: that installer uses
 | |
|                 # the 10.4u SDK, but that SDK is not installed by default
 | |
|                 # when you install Xcode.
 | |
|                 #
 | |
|                 CFLAGS = _CONFIG_VARS.get('CFLAGS', '')
 | |
|                 m = re.search('-isysroot\s+(\S+)', CFLAGS)
 | |
|                 if m is not None:
 | |
|                     sdk = m.group(1)
 | |
|                     if not os.path.exists(sdk):
 | |
|                         for key in ('LDFLAGS', 'BASECFLAGS',
 | |
|                              # a number of derived variables. These need to be
 | |
|                              # patched up as well.
 | |
|                             'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'):
 | |
| 
 | |
|                             flags = _CONFIG_VARS[key]
 | |
|                             flags = re.sub('-isysroot\s+\S+(\s|$)', ' ', flags)
 | |
|                             _CONFIG_VARS[key] = flags
 | |
| 
 | |
|     if args:
 | |
|         vals = []
 | |
|         for name in args:
 | |
|             vals.append(_CONFIG_VARS.get(name))
 | |
|         return vals
 | |
|     else:
 | |
|         return _CONFIG_VARS
 | |
| 
 | |
| def get_config_var(name):
 | |
|     """Return the value of a single variable using the dictionary returned by
 | |
|     'get_config_vars()'.
 | |
| 
 | |
|     Equivalent to get_config_vars().get(name)
 | |
|     """
 | |
|     return get_config_vars().get(name)
 | |
| 
 | |
| def get_platform():
 | |
|     """Return a string that identifies the current platform.
 | |
| 
 | |
|     This is used mainly to distinguish platform-specific build directories and
 | |
|     platform-specific built distributions.  Typically includes the OS name
 | |
|     and version and the architecture (as supplied by 'os.uname()'),
 | |
|     although the exact information included depends on the OS; eg. for IRIX
 | |
|     the architecture isn't particularly important (IRIX only runs on SGI
 | |
|     hardware), but for Linux the kernel version isn't particularly
 | |
|     important.
 | |
| 
 | |
|     Examples of returned values:
 | |
|        linux-i586
 | |
|        linux-alpha (?)
 | |
|        solaris-2.6-sun4u
 | |
|        irix-5.3
 | |
|        irix64-6.2
 | |
| 
 | |
|     Windows will return one of:
 | |
|        win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc)
 | |
|        win-ia64 (64bit Windows on Itanium)
 | |
|        win32 (all others - specifically, sys.platform is returned)
 | |
| 
 | |
|     For other non-POSIX platforms, currently just returns 'sys.platform'.
 | |
|     """
 | |
|     import re
 | |
|     if os.name == 'nt':
 | |
|         # sniff sys.version for architecture.
 | |
|         prefix = " bit ("
 | |
|         i = sys.version.find(prefix)
 | |
|         if i == -1:
 | |
|             return sys.platform
 | |
|         j = sys.version.find(")", i)
 | |
|         look = sys.version[i+len(prefix):j].lower()
 | |
|         if look == 'amd64':
 | |
|             return 'win-amd64'
 | |
|         if look == 'itanium':
 | |
|             return 'win-ia64'
 | |
|         return sys.platform
 | |
| 
 | |
|     if os.name != "posix" or not hasattr(os, 'uname'):
 | |
|         # XXX what about the architecture? NT is Intel or Alpha,
 | |
|         # Mac OS is M68k or PPC, etc.
 | |
|         return sys.platform
 | |
| 
 | |
|     # Try to distinguish various flavours of Unix
 | |
|     osname, host, release, version, machine = os.uname()
 | |
| 
 | |
|     # Convert the OS name to lowercase, remove '/' characters
 | |
|     # (to accommodate BSD/OS), and translate spaces (for "Power Macintosh")
 | |
|     osname = osname.lower().replace('/', '')
 | |
|     machine = machine.replace(' ', '_')
 | |
|     machine = machine.replace('/', '-')
 | |
| 
 | |
|     if osname[:5] == "linux":
 | |
|         # At least on Linux/Intel, 'machine' is the processor --
 | |
|         # i386, etc.
 | |
|         # XXX what about Alpha, SPARC, etc?
 | |
|         return  "%s-%s" % (osname, machine)
 | |
|     elif osname[:5] == "sunos":
 | |
|         if release[0] >= "5":           # SunOS 5 == Solaris 2
 | |
|             osname = "solaris"
 | |
|             release = "%d.%s" % (int(release[0]) - 3, release[2:])
 | |
|         # fall through to standard osname-release-machine representation
 | |
|     elif osname[:4] == "irix":              # could be "irix64"!
 | |
|         return "%s-%s" % (osname, release)
 | |
|     elif osname[:3] == "aix":
 | |
|         return "%s-%s.%s" % (osname, version, release)
 | |
|     elif osname[:6] == "cygwin":
 | |
|         osname = "cygwin"
 | |
|         rel_re = re.compile (r'[\d.]+')
 | |
|         m = rel_re.match(release)
 | |
|         if m:
 | |
|             release = m.group()
 | |
|     elif osname[:6] == "darwin":
 | |
|         #
 | |
|         # For our purposes, we'll assume that the system version from
 | |
|         # distutils' perspective is what MACOSX_DEPLOYMENT_TARGET is set
 | |
|         # to. This makes the compatibility story a bit more sane because the
 | |
|         # machine is going to compile and link as if it were
 | |
|         # MACOSX_DEPLOYMENT_TARGET.
 | |
|         cfgvars = get_config_vars()
 | |
|         macver = os.environ.get('MACOSX_DEPLOYMENT_TARGET')
 | |
|         if not macver:
 | |
|             macver = cfgvars.get('MACOSX_DEPLOYMENT_TARGET')
 | |
| 
 | |
|         if 1:
 | |
|             # Always calculate the release of the running machine,
 | |
|             # needed to determine if we can build fat binaries or not.
 | |
| 
 | |
|             macrelease = macver
 | |
|             # Get the system version. Reading this plist is a documented
 | |
|             # way to get the system version (see the documentation for
 | |
|             # the Gestalt Manager)
 | |
|             try:
 | |
|                 f = open('/System/Library/CoreServices/SystemVersion.plist')
 | |
|             except IOError:
 | |
|                 # We're on a plain darwin box, fall back to the default
 | |
|                 # behaviour.
 | |
|                 pass
 | |
|             else:
 | |
|                 m = re.search(
 | |
|                         r'<key>ProductUserVisibleVersion</key>\s*' +
 | |
|                         r'<string>(.*?)</string>', f.read())
 | |
|                 f.close()
 | |
|                 if m is not None:
 | |
|                     macrelease = '.'.join(m.group(1).split('.')[:2])
 | |
|                 # else: fall back to the default behaviour
 | |
| 
 | |
|         if not macver:
 | |
|             macver = macrelease
 | |
| 
 | |
|         if macver:
 | |
|             release = macver
 | |
|             osname = "macosx"
 | |
| 
 | |
|             if (macrelease + '.') >= '10.4.' and \
 | |
|                     '-arch' in get_config_vars().get('CFLAGS', '').strip():
 | |
|                 # The universal build will build fat binaries, but not on
 | |
|                 # systems before 10.4
 | |
|                 #
 | |
|                 # Try to detect 4-way universal builds, those have machine-type
 | |
|                 # 'universal' instead of 'fat'.
 | |
| 
 | |
|                 machine = 'fat'
 | |
|                 cflags = get_config_vars().get('CFLAGS')
 | |
| 
 | |
|                 archs = re.findall('-arch\s+(\S+)', cflags)
 | |
|                 archs.sort()
 | |
|                 archs = tuple(archs)
 | |
| 
 | |
|                 if len(archs) == 1:
 | |
|                     machine = archs[0]
 | |
|                 elif archs == ('i386', 'ppc'):
 | |
|                     machine = 'fat'
 | |
|                 elif archs == ('i386', 'x86_64'):
 | |
|                     machine = 'intel'
 | |
|                 elif archs == ('i386', 'ppc', 'x86_64'):
 | |
|                     machine = 'fat3'
 | |
|                 elif archs == ('ppc64', 'x86_64'):
 | |
|                     machine = 'fat64'
 | |
|                 elif archs == ('i386', 'ppc', 'ppc64', 'x86_64'):
 | |
|                     machine = 'universal'
 | |
|                 else:
 | |
|                     raise ValueError(
 | |
|                        "Don't know machine value for archs=%r"%(archs,))
 | |
| 
 | |
|             elif machine == 'i386':
 | |
|                 # On OSX the machine type returned by uname is always the
 | |
|                 # 32-bit variant, even if the executable architecture is
 | |
|                 # the 64-bit variant
 | |
|                 if sys.maxsize >= 2**32:
 | |
|                     machine = 'x86_64'
 | |
| 
 | |
|             elif machine in ('PowerPC', 'Power_Macintosh'):
 | |
|                 # Pick a sane name for the PPC architecture.
 | |
|                 # See 'i386' case
 | |
|                 if sys.maxsize >= 2**32:
 | |
|                     machine = 'ppc64'
 | |
|                 else:
 | |
|                     machine = 'ppc'
 | |
| 
 | |
|     return "%s-%s-%s" % (osname, release, machine)
 | |
| 
 | |
| 
 | |
| def get_python_version():
 | |
|     return _PY_VERSION_SHORT
 | |
| 
 | |
| def _print_dict(title, data):
 | |
|     for index, (key, value) in enumerate(sorted(data.items())):
 | |
|         if index == 0:
 | |
|             print('{0}: '.format(title))
 | |
|         print('\t{0} = "{1}"'.format(key, value))
 | |
| 
 | |
| def _main():
 | |
|     """Displays all information sysconfig detains."""
 | |
|     print('Platform: "{0}"'.format(get_platform()))
 | |
|     print('Python version: "{0}"'.format(get_python_version()))
 | |
|     print('Current installation scheme: "{0}"'.format(_get_default_scheme()))
 | |
|     print('')
 | |
|     _print_dict('Paths', get_paths())
 | |
|     print('')
 | |
|     _print_dict('Variables', get_config_vars())
 | |
| 
 | |
| if __name__ == '__main__':
 | |
|     _main()
 | 
