Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/setuptools/command/build_py.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 from glob import glob
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2 from distutils.util import convert_path
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3 import distutils.command.build_py as orig
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4 import os
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5 import fnmatch
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6 import textwrap
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7 import io
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8 import distutils.errors
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9 import itertools
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10
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11 from setuptools.extern import six
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12 from setuptools.extern.six.moves import map, filter, filterfalse
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13
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14 try:
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15 from setuptools.lib2to3_ex import Mixin2to3
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16 except ImportError:
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17
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18 class Mixin2to3:
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19 def run_2to3(self, files, doctests=True):
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20 "do nothing"
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21
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22
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23 class build_py(orig.build_py, Mixin2to3):
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24 """Enhanced 'build_py' command that includes data files with packages
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25
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26 The data files are specified via a 'package_data' argument to 'setup()'.
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27 See 'setuptools.dist.Distribution' for more details.
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28
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29 Also, this version of the 'build_py' command allows you to specify both
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30 'py_modules' and 'packages' in the same setup operation.
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31 """
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32
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33 def finalize_options(self):
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34 orig.build_py.finalize_options(self)
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35 self.package_data = self.distribution.package_data
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36 self.exclude_package_data = (self.distribution.exclude_package_data or
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37 {})
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38 if 'data_files' in self.__dict__:
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39 del self.__dict__['data_files']
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40 self.__updated_files = []
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41 self.__doctests_2to3 = []
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42
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43 def run(self):
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44 """Build modules, packages, and copy data files to build directory"""
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45 if not self.py_modules and not self.packages:
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46 return
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47
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48 if self.py_modules:
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49 self.build_modules()
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50
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51 if self.packages:
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52 self.build_packages()
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53 self.build_package_data()
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54
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55 self.run_2to3(self.__updated_files, False)
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56 self.run_2to3(self.__updated_files, True)
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57 self.run_2to3(self.__doctests_2to3, True)
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58
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59 # Only compile actual .py files, using our base class' idea of what our
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60 # output files are.
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61 self.byte_compile(orig.build_py.get_outputs(self, include_bytecode=0))
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62
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63 def __getattr__(self, attr):
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64 "lazily compute data files"
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65 if attr == 'data_files':
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66 self.data_files = self._get_data_files()
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67 return self.data_files
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68 return orig.build_py.__getattr__(self, attr)
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69
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70 def build_module(self, module, module_file, package):
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71 if six.PY2 and isinstance(package, six.string_types):
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72 # avoid errors on Python 2 when unicode is passed (#190)
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73 package = package.split('.')
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74 outfile, copied = orig.build_py.build_module(self, module, module_file,
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75 package)
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76 if copied:
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77 self.__updated_files.append(outfile)
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78 return outfile, copied
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79
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80 def _get_data_files(self):
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81 """Generate list of '(package,src_dir,build_dir,filenames)' tuples"""
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82 self.analyze_manifest()
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83 return list(map(self._get_pkg_data_files, self.packages or ()))
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84
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85 def _get_pkg_data_files(self, package):
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86 # Locate package source directory
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87 src_dir = self.get_package_dir(package)
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88
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89 # Compute package build directory
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90 build_dir = os.path.join(*([self.build_lib] + package.split('.')))
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91
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92 # Strip directory from globbed filenames
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93 filenames = [
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94 os.path.relpath(file, src_dir)
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95 for file in self.find_data_files(package, src_dir)
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96 ]
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97 return package, src_dir, build_dir, filenames
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98
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99 def find_data_files(self, package, src_dir):
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100 """Return filenames for package's data files in 'src_dir'"""
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101 patterns = self._get_platform_patterns(
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102 self.package_data,
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103 package,
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104 src_dir,
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105 )
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106 globs_expanded = map(glob, patterns)
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107 # flatten the expanded globs into an iterable of matches
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108 globs_matches = itertools.chain.from_iterable(globs_expanded)
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109 glob_files = filter(os.path.isfile, globs_matches)
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110 files = itertools.chain(
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111 self.manifest_files.get(package, []),
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112 glob_files,
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113 )
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114 return self.exclude_data_files(package, src_dir, files)
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115
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116 def build_package_data(self):
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117 """Copy data files into build directory"""
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118 for package, src_dir, build_dir, filenames in self.data_files:
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119 for filename in filenames:
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120 target = os.path.join(build_dir, filename)
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121 self.mkpath(os.path.dirname(target))
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122 srcfile = os.path.join(src_dir, filename)
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123 outf, copied = self.copy_file(srcfile, target)
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124 srcfile = os.path.abspath(srcfile)
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125 if (copied and
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126 srcfile in self.distribution.convert_2to3_doctests):
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127 self.__doctests_2to3.append(outf)
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128
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129 def analyze_manifest(self):
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130 self.manifest_files = mf = {}
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131 if not self.distribution.include_package_data:
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132 return
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133 src_dirs = {}
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134 for package in self.packages or ():
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135 # Locate package source directory
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136 src_dirs[assert_relative(self.get_package_dir(package))] = package
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137
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138 self.run_command('egg_info')
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139 ei_cmd = self.get_finalized_command('egg_info')
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140 for path in ei_cmd.filelist.files:
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141 d, f = os.path.split(assert_relative(path))
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142 prev = None
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143 oldf = f
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144 while d and d != prev and d not in src_dirs:
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145 prev = d
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146 d, df = os.path.split(d)
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147 f = os.path.join(df, f)
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148 if d in src_dirs:
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149 if path.endswith('.py') and f == oldf:
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150 continue # it's a module, not data
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151 mf.setdefault(src_dirs[d], []).append(path)
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152
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153 def get_data_files(self):
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154 pass # Lazily compute data files in _get_data_files() function.
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155
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156 def check_package(self, package, package_dir):
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157 """Check namespace packages' __init__ for declare_namespace"""
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158 try:
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159 return self.packages_checked[package]
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160 except KeyError:
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161 pass
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162
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163 init_py = orig.build_py.check_package(self, package, package_dir)
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164 self.packages_checked[package] = init_py
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165
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166 if not init_py or not self.distribution.namespace_packages:
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167 return init_py
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168
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169 for pkg in self.distribution.namespace_packages:
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170 if pkg == package or pkg.startswith(package + '.'):
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171 break
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172 else:
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173 return init_py
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174
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175 with io.open(init_py, 'rb') as f:
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176 contents = f.read()
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177 if b'declare_namespace' not in contents:
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178 raise distutils.errors.DistutilsError(
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179 "Namespace package problem: %s is a namespace package, but "
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180 "its\n__init__.py does not call declare_namespace()! Please "
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181 'fix it.\n(See the setuptools manual under '
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182 '"Namespace Packages" for details.)\n"' % (package,)
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183 )
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184 return init_py
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185
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186 def initialize_options(self):
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187 self.packages_checked = {}
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188 orig.build_py.initialize_options(self)
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189
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190 def get_package_dir(self, package):
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191 res = orig.build_py.get_package_dir(self, package)
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192 if self.distribution.src_root is not None:
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193 return os.path.join(self.distribution.src_root, res)
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194 return res
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195
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196 def exclude_data_files(self, package, src_dir, files):
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197 """Filter filenames for package's data files in 'src_dir'"""
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198 files = list(files)
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199 patterns = self._get_platform_patterns(
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200 self.exclude_package_data,
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201 package,
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202 src_dir,
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203 )
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204 match_groups = (
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205 fnmatch.filter(files, pattern)
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206 for pattern in patterns
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207 )
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208 # flatten the groups of matches into an iterable of matches
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209 matches = itertools.chain.from_iterable(match_groups)
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210 bad = set(matches)
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211 keepers = (
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212 fn
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213 for fn in files
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214 if fn not in bad
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215 )
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216 # ditch dupes
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217 return list(_unique_everseen(keepers))
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218
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219 @staticmethod
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220 def _get_platform_patterns(spec, package, src_dir):
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221 """
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222 yield platform-specific path patterns (suitable for glob
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223 or fn_match) from a glob-based spec (such as
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224 self.package_data or self.exclude_package_data)
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225 matching package in src_dir.
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226 """
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227 raw_patterns = itertools.chain(
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228 spec.get('', []),
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229 spec.get(package, []),
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230 )
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231 return (
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232 # Each pattern has to be converted to a platform-specific path
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233 os.path.join(src_dir, convert_path(pattern))
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234 for pattern in raw_patterns
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235 )
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236
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237
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238 # from Python docs
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239 def _unique_everseen(iterable, key=None):
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240 "List unique elements, preserving order. Remember all elements ever seen."
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241 # unique_everseen('AAAABBBCCDAABBB') --> A B C D
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242 # unique_everseen('ABBCcAD', str.lower) --> A B C D
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243 seen = set()
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244 seen_add = seen.add
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245 if key is None:
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246 for element in filterfalse(seen.__contains__, iterable):
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247 seen_add(element)
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248 yield element
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249 else:
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250 for element in iterable:
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251 k = key(element)
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252 if k not in seen:
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253 seen_add(k)
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254 yield element
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255
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256
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257 def assert_relative(path):
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258 if not os.path.isabs(path):
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259 return path
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260 from distutils.errors import DistutilsSetupError
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261
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262 msg = textwrap.dedent("""
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263 Error: setup script specifies an absolute path:
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264
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265 %s
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266
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267 setup() arguments must *always* be /-separated paths relative to the
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268 setup.py directory, *never* absolute paths.
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269 """).lstrip() % path
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270 raise DistutilsSetupError(msg)