Mercurial > repos > bcclaywell > argo_navis

comparison venv/lib/python2.7/site-packages/setuptools/tests/environment.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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-1:000000000000 0:d67268158946
1 import os
2 import sys
3 import unicodedata
4
5 from subprocess import Popen as _Popen, PIPE as _PIPE
6
7
8 def _which_dirs(cmd):
9 result = set()
10 for path in os.environ.get('PATH', '').split(os.pathsep):
11 filename = os.path.join(path, cmd)
12 if os.access(filename, os.X_OK):
13 result.add(path)
14 return result
15
16
17 def run_setup_py(cmd, pypath=None, path=None,
18 data_stream=0, env=None):
19 """
20 Execution command for tests, separate from those used by the
21 code directly to prevent accidental behavior issues
22 """
23 if env is None:
24 env = dict()
25 for envname in os.environ:
26 env[envname] = os.environ[envname]
27
28 #override the python path if needed
29 if pypath is not None:
30 env["PYTHONPATH"] = pypath
31
32 #overide the execution path if needed
33 if path is not None:
34 env["PATH"] = path
35 if not env.get("PATH", ""):
36 env["PATH"] = _which_dirs("tar").union(_which_dirs("gzip"))
37 env["PATH"] = os.pathsep.join(env["PATH"])
38
39 cmd = [sys.executable, "setup.py"] + list(cmd)
40
41 # http://bugs.python.org/issue8557
42 shell = sys.platform == 'win32'
43
44 try:
45 proc = _Popen(
46 cmd, stdout=_PIPE, stderr=_PIPE, shell=shell, env=env,
47 )
48
49 data = proc.communicate()[data_stream]
50 except OSError:
51 return 1, ''
52
53 #decode the console string if needed
54 if hasattr(data, "decode"):
55 # use the default encoding
56 data = data.decode()
57 data = unicodedata.normalize('NFC', data)
58
59 #communciate calls wait()
60 return proc.returncode, data