blob: 3f720ef1a7c2be69832f9eadb417abc8c377b2ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
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
|
