Mercurial > cpython-lru_cache-weakref

annotate Lib/distutils/command/install_lib.py @ 28646:193b8aec00ce legacy-trunk

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Changes from Jonathan Riehl to allow his pgen extension (PEP 269) to work. This includes some more code that used to be part of pgen in the main parser; I'm okay with that. I'll see if the Windows build needs work next.
author Guido van Rossum <guido@python.org>
date Thu, 17 Apr 2003 14:55:42 +0000
parents 42bfc98d295b
children 0856d98e2a68
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # This module should be kept compatible with Python 1.5.2.
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2
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3 __revision__ = "$Id$"
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4
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5 import sys, os, string
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6 from types import IntType
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7 from distutils.core import Command
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8 from distutils.errors import DistutilsOptionError
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9
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10 class install_lib (Command):
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11
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12 description = "install all Python modules (extensions and pure Python)"
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13
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14 # The byte-compilation options are a tad confusing. Here are the
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15 # possible scenarios:
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16 # 1) no compilation at all (--no-compile --no-optimize)
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17 # 2) compile .pyc only (--compile --no-optimize; default)
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18 # 3) compile .pyc and "level 1" .pyo (--compile --optimize)
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19 # 4) compile "level 1" .pyo only (--no-compile --optimize)
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20 # 5) compile .pyc and "level 2" .pyo (--compile --optimize-more)
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21 # 6) compile "level 2" .pyo only (--no-compile --optimize-more)
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22 #
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23 # The UI for this is two option, 'compile' and 'optimize'.
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24 # 'compile' is strictly boolean, and only decides whether to
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25 # generate .pyc files. 'optimize' is three-way (0, 1, or 2), and
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26 # decides both whether to generate .pyo files and what level of
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27 # optimization to use.
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28
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29 user_options = [
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30 ('install-dir=', 'd', "directory to install to"),
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31 ('build-dir=','b', "build directory (where to install from)"),
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32 ('force', 'f', "force installation (overwrite existing files)"),
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33 ('compile', 'c', "compile .py to .pyc [default]"),
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34 ('no-compile', None, "don't compile .py files"),
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35 ('optimize=', 'O',
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36 "also compile with optimization: -O1 for \"python -O\", "
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37 "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
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38 ('skip-build', None, "skip the build steps"),
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39 ]
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40
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41 boolean_options = ['force', 'compile', 'skip-build']
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42 negative_opt = {'no-compile' : 'compile'}
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43
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44
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45 def initialize_options (self):
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46 # let the 'install' command dictate our installation directory
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47 self.install_dir = None
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48 self.build_dir = None
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49 self.force = 0
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50 self.compile = None
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51 self.optimize = None
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52 self.skip_build = None
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53
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54 def finalize_options (self):
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55
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56 # Get all the information we need to install pure Python modules
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57 # from the umbrella 'install' command -- build (source) directory,
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58 # install (target) directory, and whether to compile .py files.
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59 self.set_undefined_options('install',
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60 ('build_lib', 'build_dir'),
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61 ('install_lib', 'install_dir'),
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62 ('force', 'force'),
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63 ('compile', 'compile'),
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64 ('optimize', 'optimize'),
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65 ('skip_build', 'skip_build'),
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66 )
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67
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68 if self.compile is None:
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69 self.compile = 1
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70 if self.optimize is None:
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71 self.optimize = 0
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72
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73 if type(self.optimize) is not IntType:
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74 try:
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75 self.optimize = int(self.optimize)
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76 assert 0 <= self.optimize <= 2
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77 except (ValueError, AssertionError):
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78 raise DistutilsOptionError, "optimize must be 0, 1, or 2"
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79
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80 def run (self):
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81
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82 # Make sure we have built everything we need first
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83 self.build()
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84
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85 # Install everything: simply dump the entire contents of the build
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86 # directory to the installation directory (that's the beauty of
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87 # having a build directory!)
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88 outfiles = self.install()
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89
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90 # (Optionally) compile .py to .pyc
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91 if outfiles is not None and self.distribution.has_pure_modules():
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92 self.byte_compile(outfiles)
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93
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94 # run ()
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95
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96
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97 # -- Top-level worker functions ------------------------------------
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98 # (called from 'run()')
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99
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100 def build (self):
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101 if not self.skip_build:
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102 if self.distribution.has_pure_modules():
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103 self.run_command('build_py')
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104 if self.distribution.has_ext_modules():
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105 self.run_command('build_ext')
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106
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107 def install (self):
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108 if os.path.isdir(self.build_dir):
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109 outfiles = self.copy_tree(self.build_dir, self.install_dir)
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110 else:
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111 self.warn("'%s' does not exist -- no Python modules to install" %
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112 self.build_dir)
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113 return
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114 return outfiles
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115
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116 def byte_compile (self, files):
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117 from distutils.util import byte_compile
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118
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119 # Get the "--root" directory supplied to the "install" command,
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120 # and use it as a prefix to strip off the purported filename
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121 # encoded in bytecode files. This is far from complete, but it
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122 # should at least generate usable bytecode in RPM distributions.
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123 install_root = self.get_finalized_command('install').root
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124
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125 if self.compile:
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126 byte_compile(files, optimize=0,
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127 force=self.force, prefix=install_root,
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128 dry_run=self.dry_run)
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129 if self.optimize > 0:
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130 byte_compile(files, optimize=self.optimize,
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131 force=self.force, prefix=install_root,
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132 verbose=self.verbose, dry_run=self.dry_run)
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133
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134
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135 # -- Utility methods -----------------------------------------------
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136
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137 def _mutate_outputs (self, has_any, build_cmd, cmd_option, output_dir):
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138
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139 if not has_any:
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140 return []
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141
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142 build_cmd = self.get_finalized_command(build_cmd)
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143 build_files = build_cmd.get_outputs()
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144 build_dir = getattr(build_cmd, cmd_option)
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145
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146 prefix_len = len(build_dir) + len(os.sep)
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147 outputs = []
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148 for file in build_files:
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149 outputs.append(os.path.join(output_dir, file[prefix_len:]))
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150
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151 return outputs
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152
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153 # _mutate_outputs ()
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154
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155 def _bytecode_filenames (self, py_filenames):
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156 bytecode_files = []
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157 for py_file in py_filenames:
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158 if self.compile:
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159 bytecode_files.append(py_file + "c")
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160 if self.optimize > 0:
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161 bytecode_files.append(py_file + "o")
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162
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163 return bytecode_files
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164
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165
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166 # -- External interface --------------------------------------------
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167 # (called by outsiders)
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168
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169 def get_outputs (self):
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170 """Return the list of files that would be installed if this command
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171 were actually run. Not affected by the "dry-run" flag or whether
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172 modules have actually been built yet.
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173 """
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174 pure_outputs = \
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175 self._mutate_outputs(self.distribution.has_pure_modules(),
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176 'build_py', 'build_lib',
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177 self.install_dir)
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178 if self.compile:
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179 bytecode_outputs = self._bytecode_filenames(pure_outputs)
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180 else:
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181 bytecode_outputs = []
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182
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183 ext_outputs = \
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184 self._mutate_outputs(self.distribution.has_ext_modules(),
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185 'build_ext', 'build_lib',
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186 self.install_dir)
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187
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188 return pure_outputs + bytecode_outputs + ext_outputs
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189
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190 # get_outputs ()
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191
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192 def get_inputs (self):
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193 """Get the list of files that are input to this command, ie. the
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194 files that get installed as they are named in the build tree.
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195 The files in this list correspond one-to-one to the output
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196 filenames returned by 'get_outputs()'.
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197 """
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198 inputs = []
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199
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200 if self.distribution.has_pure_modules():
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201 build_py = self.get_finalized_command('build_py')
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202 inputs.extend(build_py.get_outputs())
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203
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204 if self.distribution.has_ext_modules():
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205 build_ext = self.get_finalized_command('build_ext')
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206 inputs.extend(build_ext.get_outputs())
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207
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208 return inputs
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209
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210 # class install_lib