Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/virtualenv/run/plugin/activators.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 from __future__ import absolute_import, unicode_literals
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2
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3 from argparse import ArgumentTypeError
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4 from collections import OrderedDict
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5
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6 from .base import ComponentBuilder
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9 class ActivationSelector(ComponentBuilder):
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10 def __init__(self, interpreter, parser):
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11 self.default = None
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12 possible = OrderedDict(
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13 (k, v) for k, v in self.options("virtualenv.activate").items() if v.supports(interpreter)
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14 )
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15 super(ActivationSelector, self).__init__(interpreter, parser, "activators", possible)
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16 self.parser.description = "options for activation scripts"
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17 self.active = None
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18
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19 def add_selector_arg_parse(self, name, choices):
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20 self.default = ",".join(choices)
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21 self.parser.add_argument(
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22 "--{}".format(name),
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23 default=self.default,
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24 metavar="comma_sep_list",
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25 required=False,
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26 help="activators to generate - default is all supported",
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27 type=self._extract_activators,
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28 )
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29
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30 def _extract_activators(self, entered_str):
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31 elements = [e.strip() for e in entered_str.split(",") if e.strip()]
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32 missing = [e for e in elements if e not in self.possible]
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33 if missing:
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34 raise ArgumentTypeError("the following activators are not available {}".format(",".join(missing)))
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35 return elements
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36
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37 def handle_selected_arg_parse(self, options):
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38 selected_activators = (
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39 self._extract_activators(self.default) if options.activators is self.default else options.activators
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40 )
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41 self.active = {k: v for k, v in self.possible.items() if k in selected_activators}
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42 self.parser.add_argument(
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43 "--prompt",
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44 dest="prompt",
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45 metavar="prompt",
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46 help="provides an alternative prompt prefix for this environment",
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47 default=None,
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48 )
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49 for activator in self.active.values():
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50 activator.add_parser_arguments(self.parser, self.interpreter)
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51
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52 def create(self, options):
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53 return [activator_class(options) for activator_class in self.active.values()]