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annotate venv/lib/python2.7/site-packages/pip/commands/freeze.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 from __future__ import absolute_import
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2
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3 import sys
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4
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5 from pip.basecommand import Command
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6 from pip.operations.freeze import freeze
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7
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8
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9 class FreezeCommand(Command):
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10 """
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11 Output installed packages in requirements format.
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12
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13 packages are listed in a case-insensitive sorted order.
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14 """
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15 name = 'freeze'
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16 usage = """
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17 %prog [options]"""
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18 summary = 'Output installed packages in requirements format.'
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19 log_streams = ("ext://sys.stderr", "ext://sys.stderr")
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20
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21 def __init__(self, *args, **kw):
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22 super(FreezeCommand, self).__init__(*args, **kw)
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23
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24 self.cmd_opts.add_option(
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25 '-r', '--requirement',
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26 dest='requirement',
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27 action='store',
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28 default=None,
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29 metavar='file',
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30 help="Use the order in the given requirements file and its "
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31 "comments when generating output.")
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32 self.cmd_opts.add_option(
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33 '-f', '--find-links',
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34 dest='find_links',
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35 action='append',
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36 default=[],
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37 metavar='URL',
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38 help='URL for finding packages, which will be added to the '
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39 'output.')
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40 self.cmd_opts.add_option(
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41 '-l', '--local',
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42 dest='local',
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43 action='store_true',
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44 default=False,
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45 help='If in a virtualenv that has global access, do not output '
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46 'globally-installed packages.')
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47 self.cmd_opts.add_option(
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48 '--user',
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49 dest='user',
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50 action='store_true',
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51 default=False,
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52 help='Only output packages installed in user-site.')
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53
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54 self.parser.insert_option_group(0, self.cmd_opts)
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55
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56 def run(self, options, args):
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57 freeze_kwargs = dict(
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58 requirement=options.requirement,
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59 find_links=options.find_links,
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60 local_only=options.local,
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61 user_only=options.user,
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62 skip_regex=options.skip_requirements_regex,
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63 isolated=options.isolated_mode)
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64
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65 for line in freeze(**freeze_kwargs):
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66 sys.stdout.write(line + '\n')