Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/virtualenv/__main__.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 from __future__ import absolute_import, print_function, unicode_literals
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2
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3 import argparse
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4 import logging
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5 import os
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6 import sys
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7 from datetime import datetime
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8
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9 from virtualenv.util.six import ensure_text
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10
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11
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12 def run(args=None, options=None):
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13 start = datetime.now()
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14 from virtualenv.error import ProcessCallFailed
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15 from virtualenv.run import cli_run
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16
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17 if args is None:
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18 args = sys.argv[1:]
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19 try:
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20 session = cli_run(args, options)
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21 logging.warning(LogSession(session, start))
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22 except ProcessCallFailed as exception:
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23 print("subprocess call failed for {} with code {}".format(exception.cmd, exception.code))
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24 print(exception.out, file=sys.stdout, end="")
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25 print(exception.err, file=sys.stderr, end="")
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26 raise SystemExit(exception.code)
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27
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28
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29 class LogSession(object):
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30 def __init__(self, session, start):
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31 self.session = session
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32 self.start = start
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33
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34 def __str__(self):
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35 spec = self.session.creator.interpreter.spec
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36 elapsed = (datetime.now() - self.start).total_seconds() * 1000
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37 lines = [
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38 "created virtual environment {} in {:.0f}ms".format(spec, elapsed),
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39 " creator {}".format(ensure_text(str(self.session.creator))),
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40 ]
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41 if self.session.seeder.enabled:
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42 lines += (" seeder {}".format(ensure_text(str(self.session.seeder)),),)
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43 if self.session.activators:
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44 lines.append(" activators {}".format(",".join(i.__class__.__name__ for i in self.session.activators)))
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45 return os.linesep.join(lines)
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46
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47
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48 def run_with_catch(args=None):
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49 options = argparse.Namespace()
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50 try:
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51 run(args, options)
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52 except (KeyboardInterrupt, Exception) as exception:
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53 if getattr(options, "with_traceback", False):
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54 logging.shutdown() # force flush of log messages before the trace is printed
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55 raise
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56 else:
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57 logging.error("%s: %s", type(exception).__name__, exception)
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58 sys.exit(1)
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59
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60
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61 if __name__ == "__main__":
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62 run_with_catch()