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Code to find an executable on the current PATH refactored

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Steve Lacy 2011-06-07 09:50:52 -07:00 committed by Daniele Varrazzo
parent 9a7aee3d05
commit 57a6cf3144
1 changed files with 10 additions and 6 deletions
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16
setup.py
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@ -116,6 +116,15 @@ or with the pg_config option in 'setup.cfg'.
result = result.decode('ascii')
return result
def find_on_path(self, exename, path_directories=None):
if not path_directories:
path_directories = os.environ['PATH'].split(os.pathsep)
for dir_name in path_directories:
fullpath = os.path.join(dir_name, exename)
if os.path.isfile(fullpath):
return fullpath
return None
def autodetect_pg_config_path(self):
"""Find and return the path to the pg_config executable."""
if PLATFORM_IS_WINDOWS:
@ -125,12 +134,7 @@ or with the pg_config option in 'setup.cfg'.
def autodetect_pg_config_path_posix(self):
"""Return pg_config from the current PATH"""
exename = 'pg_config'
for dir_name in os.environ['PATH'].split(os.pathsep):
fullpath = os.path.join(dir_name, exename)
if os.path.isfile(fullpath):
return fullpath
return None
return self.find_on_path('pg_config')
def autodetect_pg_config_path_windows(self):
"""Attempt several different ways of finding the pg_config