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annotate Lib/distutils/command/install_egg_info.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 54f622dd3b26
children
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1 """distutils.command.install_egg_info
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2
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3 Implements the Distutils 'install_egg_info' command, for installing
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4 a package's PKG-INFO metadata."""
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7 from distutils.cmd import Command
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8 from distutils import log, dir_util
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9 import os, sys, re
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10
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11 class install_egg_info(Command):
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12 """Install an .egg-info file for the package"""
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13
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14 description = "Install package's PKG-INFO metadata as an .egg-info file"
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15 user_options = [
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16 ('install-dir=', 'd', "directory to install to"),
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17 ]
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18
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19 def initialize_options(self):
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20 self.install_dir = None
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21
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22 def finalize_options(self):
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23 self.set_undefined_options('install_lib',('install_dir','install_dir'))
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24 basename = "%s-%s-py%s.egg-info" % (
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25 to_filename(safe_name(self.distribution.get_name())),
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26 to_filename(safe_version(self.distribution.get_version())),
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27 sys.version[:3]
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28 )
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29 self.target = os.path.join(self.install_dir, basename)
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30 self.outputs = [self.target]
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31
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32 def run(self):
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33 target = self.target
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34 if os.path.isdir(target) and not os.path.islink(target):
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35 dir_util.remove_tree(target, dry_run=self.dry_run)
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36 elif os.path.exists(target):
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37 self.execute(os.unlink,(self.target,),"Removing "+target)
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38 elif not os.path.isdir(self.install_dir):
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39 self.execute(os.makedirs, (self.install_dir,),
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40 "Creating "+self.install_dir)
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41 log.info("Writing %s", target)
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42 if not self.dry_run:
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43 f = open(target, 'w')
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44 self.distribution.metadata.write_pkg_file(f)
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45 f.close()
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46
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47 def get_outputs(self):
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48 return self.outputs
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51 # The following routines are taken from setuptools' pkg_resources module and
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52 # can be replaced by importing them from pkg_resources once it is included
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53 # in the stdlib.
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54
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55 def safe_name(name):
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56 """Convert an arbitrary string to a standard distribution name
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57
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58 Any runs of non-alphanumeric/. characters are replaced with a single '-'.
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59 """
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60 return re.sub('[^A-Za-z0-9.]+', '-', name)
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63 def safe_version(version):
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64 """Convert an arbitrary string to a standard version string
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65
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66 Spaces become dots, and all other non-alphanumeric characters become
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67 dashes, with runs of multiple dashes condensed to a single dash.
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68 """
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69 version = version.replace(' ','.')
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70 return re.sub('[^A-Za-z0-9.]+', '-', version)
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73 def to_filename(name):
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74 """Convert a project or version name to its filename-escaped form
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75
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76 Any '-' characters are currently replaced with '_'.
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77 """
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78 return name.replace('-','_')