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annotate Lib/distutils/command/install_data.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents 24b685318633
children
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1 """distutils.command.install_data
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2
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3 Implements the Distutils 'install_data' command, for installing
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4 platform-independent data files."""
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5
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6 # contributed by Bastian Kleineidam
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7
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8 __revision__ = "$Id$"
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9
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10 import os
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11 from distutils.core import Command
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12 from distutils.util import change_root, convert_path
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13
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14 class install_data(Command):
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15
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16 description = "install data files"
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17
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18 user_options = [
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19 ('install-dir=', 'd',
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20 "base directory for installing data files "
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21 "(default: installation base dir)"),
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22 ('root=', None,
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23 "install everything relative to this alternate root directory"),
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24 ('force', 'f', "force installation (overwrite existing files)"),
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25 ]
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26
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27 boolean_options = ['force']
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28
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29 def initialize_options(self):
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30 self.install_dir = None
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31 self.outfiles = []
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32 self.root = None
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33 self.force = 0
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34 self.data_files = self.distribution.data_files
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35 self.warn_dir = 1
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36
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37 def finalize_options(self):
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38 self.set_undefined_options('install',
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39 ('install_data', 'install_dir'),
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40 ('root', 'root'),
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41 ('force', 'force'),
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42 )
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43
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44 def run(self):
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45 self.mkpath(self.install_dir)
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46 for f in self.data_files:
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47 if isinstance(f, str):
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48 # it's a simple file, so copy it
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49 f = convert_path(f)
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50 if self.warn_dir:
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51 self.warn("setup script did not provide a directory for "
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52 "'%s' -- installing right in '%s'" %
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53 (f, self.install_dir))
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54 (out, _) = self.copy_file(f, self.install_dir)
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55 self.outfiles.append(out)
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56 else:
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57 # it's a tuple with path to install to and a list of files
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58 dir = convert_path(f[0])
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59 if not os.path.isabs(dir):
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60 dir = os.path.join(self.install_dir, dir)
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61 elif self.root:
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62 dir = change_root(self.root, dir)
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63 self.mkpath(dir)
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64
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65 if f[1] == []:
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66 # If there are no files listed, the user must be
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67 # trying to create an empty directory, so add the
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68 # directory to the list of output files.
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69 self.outfiles.append(dir)
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70 else:
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71 # Copy files, adding them to the list of output files.
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72 for data in f[1]:
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73 data = convert_path(data)
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74 (out, _) = self.copy_file(data, dir)
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75 self.outfiles.append(out)
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76
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77 def get_inputs(self):
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78 return self.data_files or []
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79
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80 def get_outputs(self):
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81 return self.outfiles