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annotate env/lib/python3.7/site-packages/planemo/virtualenv.py @ 3:758bc20232e8 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
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1 """ Utilities for using virtualenv as library and planemo command.
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2 """
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3 from __future__ import absolute_import
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4
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5 import os
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6 import sys
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7
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8 import virtualenv
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9 from galaxy.tool_util.deps.commands import which
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10
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11
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12 DEFAULT_PYTHON_VERSION = os.environ.get("PLANEMO_DEFAULT_PYTHON_VERSION", "2.7")
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14
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15 def create_and_exit(virtualenv_path, **kwds):
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16 sys.argv = ["virtualenv", virtualenv_path]
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17 python = kwds.get("python", None)
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18 if python:
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19 sys.argv.extend(["--python", python])
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20 return virtualenv.main()
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21
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22
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23 def create_command(virtualenv_path, galaxy_python_version=None):
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24 """ If virtualenv is on Planemo's path use it, otherwise use the planemo
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25 subcommand virtualenv to create the virtualenv.
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26 """
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27 planemo_path = os.path.abspath(sys.argv[0])
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28 virtualenv_on_path = which("virtualenv")
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29 if virtualenv_on_path:
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30 base_command = [
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31 os.path.abspath(virtualenv_on_path),
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32 ]
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33 else:
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34 base_command = [
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35 planemo_path, "virtualenv",
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36 ]
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37
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38 command = base_command
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39
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40 # Create a virtualenv with the selected python version.
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41 # default to 2.7
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42 if galaxy_python_version is None:
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43 galaxy_python_version = DEFAULT_PYTHON_VERSION
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44 python = which("python%s" % galaxy_python_version)
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45 if python:
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46 python = os.path.abspath(python)
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47 command.extend(["-p", python])
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48 command.append(virtualenv_path)
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49 return " ".join(command)