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