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annotate venv/lib/python2.7/site-packages/setuptools/command/develop.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 distutils.util import convert_path
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2 from distutils import log
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3 from distutils.errors import DistutilsError, DistutilsOptionError
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4 import os
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5 import glob
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6
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7 from pkg_resources import Distribution, PathMetadata, normalize_path
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8 from setuptools.command.easy_install import easy_install
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9 from setuptools.compat import PY3
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10 import setuptools
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11
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12
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13 class develop(easy_install):
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14 """Set up package for development"""
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15
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16 description = "install package in 'development mode'"
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17
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18 user_options = easy_install.user_options + [
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19 ("uninstall", "u", "Uninstall this source package"),
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20 ("egg-path=", None, "Set the path to be used in the .egg-link file"),
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21 ]
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22
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23 boolean_options = easy_install.boolean_options + ['uninstall']
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24
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25 command_consumes_arguments = False # override base
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26
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27 def run(self):
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28 if self.uninstall:
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29 self.multi_version = True
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30 self.uninstall_link()
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31 else:
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32 self.install_for_development()
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33 self.warn_deprecated_options()
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34
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35 def initialize_options(self):
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36 self.uninstall = None
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37 self.egg_path = None
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38 easy_install.initialize_options(self)
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39 self.setup_path = None
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40 self.always_copy_from = '.' # always copy eggs installed in curdir
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41
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42 def finalize_options(self):
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43 ei = self.get_finalized_command("egg_info")
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44 if ei.broken_egg_info:
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45 template = "Please rename %r to %r before using 'develop'"
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46 args = ei.egg_info, ei.broken_egg_info
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47 raise DistutilsError(template % args)
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48 self.args = [ei.egg_name]
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49
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50 easy_install.finalize_options(self)
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51 self.expand_basedirs()
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52 self.expand_dirs()
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53 # pick up setup-dir .egg files only: no .egg-info
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54 self.package_index.scan(glob.glob('*.egg'))
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55
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56 self.egg_link = os.path.join(self.install_dir, ei.egg_name +
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57 '.egg-link')
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58 self.egg_base = ei.egg_base
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59 if self.egg_path is None:
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60 self.egg_path = os.path.abspath(ei.egg_base)
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61
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62 target = normalize_path(self.egg_base)
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63 egg_path = normalize_path(os.path.join(self.install_dir,
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64 self.egg_path))
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65 if egg_path != target:
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66 raise DistutilsOptionError(
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67 "--egg-path must be a relative path from the install"
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68 " directory to " + target
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69 )
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70
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71 # Make a distribution for the package's source
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72 self.dist = Distribution(
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73 target,
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74 PathMetadata(target, os.path.abspath(ei.egg_info)),
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75 project_name=ei.egg_name
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76 )
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77
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78 p = self.egg_base.replace(os.sep, '/')
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79 if p != os.curdir:
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80 p = '../' * (p.count('/') + 1)
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81 self.setup_path = p
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82 p = normalize_path(os.path.join(self.install_dir, self.egg_path, p))
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83 if p != normalize_path(os.curdir):
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84 raise DistutilsOptionError(
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85 "Can't get a consistent path to setup script from"
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86 " installation directory", p, normalize_path(os.curdir))
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87
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88 def install_for_development(self):
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89 if PY3 and getattr(self.distribution, 'use_2to3', False):
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90 # If we run 2to3 we can not do this inplace:
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91
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92 # Ensure metadata is up-to-date
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93 self.reinitialize_command('build_py', inplace=0)
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94 self.run_command('build_py')
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95 bpy_cmd = self.get_finalized_command("build_py")
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96 build_path = normalize_path(bpy_cmd.build_lib)
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97
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98 # Build extensions
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99 self.reinitialize_command('egg_info', egg_base=build_path)
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100 self.run_command('egg_info')
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101
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102 self.reinitialize_command('build_ext', inplace=0)
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103 self.run_command('build_ext')
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104
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105 # Fixup egg-link and easy-install.pth
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106 ei_cmd = self.get_finalized_command("egg_info")
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107 self.egg_path = build_path
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108 self.dist.location = build_path
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109 # XXX
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110 self.dist._provider = PathMetadata(build_path, ei_cmd.egg_info)
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111 else:
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112 # Without 2to3 inplace works fine:
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113 self.run_command('egg_info')
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114
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115 # Build extensions in-place
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116 self.reinitialize_command('build_ext', inplace=1)
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117 self.run_command('build_ext')
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118
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119 self.install_site_py() # ensure that target dir is site-safe
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120 if setuptools.bootstrap_install_from:
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121 self.easy_install(setuptools.bootstrap_install_from)
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122 setuptools.bootstrap_install_from = None
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123
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124 # create an .egg-link in the installation dir, pointing to our egg
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125 log.info("Creating %s (link to %s)", self.egg_link, self.egg_base)
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126 if not self.dry_run:
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127 f = open(self.egg_link, "w")
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128 f.write(self.egg_path + "\n" + self.setup_path)
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129 f.close()
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130 # postprocess the installed distro, fixing up .pth, installing scripts,
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131 # and handling requirements
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132 self.process_distribution(None, self.dist, not self.no_deps)
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133
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134 def uninstall_link(self):
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135 if os.path.exists(self.egg_link):
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136 log.info("Removing %s (link to %s)", self.egg_link, self.egg_base)
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137 egg_link_file = open(self.egg_link)
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138 contents = [line.rstrip() for line in egg_link_file]
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139 egg_link_file.close()
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140 if contents not in ([self.egg_path],
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141 [self.egg_path, self.setup_path]):
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142 log.warn("Link points to %s: uninstall aborted", contents)
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143 return
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144 if not self.dry_run:
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145 os.unlink(self.egg_link)
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146 if not self.dry_run:
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147 self.update_pth(self.dist) # remove any .pth link to us
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148 if self.distribution.scripts:
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149 # XXX should also check for entry point scripts!
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150 log.warn("Note: you must uninstall or replace scripts manually!")
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151
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152 def install_egg_scripts(self, dist):
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153 if dist is not self.dist:
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154 # Installing a dependency, so fall back to normal behavior
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155 return easy_install.install_egg_scripts(self, dist)
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156
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157 # create wrapper scripts in the script dir, pointing to dist.scripts
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158
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159 # new-style...
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160 self.install_wrapper_scripts(dist)
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161
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162 # ...and old-style
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163 for script_name in self.distribution.scripts or []:
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164 script_path = os.path.abspath(convert_path(script_name))
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165 script_name = os.path.basename(script_path)
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166 f = open(script_path, 'rU')
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167 script_text = f.read()
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168 f.close()
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169 self.install_script(dist, script_name, script_text, script_path)