Viewing file:  utils.py (1020 B) -rw-r--r--
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import distutils.spawn
import os
import sys
def find_executable(executable, path=None):
"""
As distutils.spawn.find_executable, but on Windows, look up
every extension declared in PATHEXT instead of just `.exe`
"""
if sys.platform != 'win32':
return distutils.spawn.find_executable(executable, path)
if path is None:
path = os.environ['PATH']
paths = path.split(os.pathsep)
extensions = os.environ.get('PATHEXT', '.exe').split(os.pathsep)
base, ext = os.path.splitext(executable)
if not os.path.isfile(executable):
for p in paths:
for ext in extensions:
f = os.path.join(p, base + ext)
if os.path.isfile(f):
return f
return None
else:
return executable
def create_environment_dict(overrides):
"""
Create and return a copy of os.environ with the specified overrides
"""
result = os.environ.copy()
result.update(overrides or {})
return result
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