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1 """distutils.dist |
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2 |
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3 Provides the Distribution class, which represents the module distribution |
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4 being built/installed/distributed. |
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5 """ |
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6 |
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7 # This module should be kept compatible with Python 2.1. |
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8 |
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9 __revision__ = "$Id: dist.py 66181 2008-09-03 11:13:56Z marc-andre.lemburg $" |
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10 |
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11 import sys, os, string, re |
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12 from types import * |
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13 from copy import copy |
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14 |
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15 try: |
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16 import warnings |
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17 except ImportError: |
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18 warnings = None |
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19 |
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20 from distutils.errors import * |
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21 from distutils.fancy_getopt import FancyGetopt, translate_longopt |
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22 from distutils.util import check_environ, strtobool, rfc822_escape |
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23 from distutils import log |
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24 from distutils.debug import DEBUG |
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25 |
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26 # Encoding used for the PKG-INFO files |
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27 PKG_INFO_ENCODING = 'utf-8' |
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28 |
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29 # Regex to define acceptable Distutils command names. This is not *quite* |
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30 # the same as a Python NAME -- I don't allow leading underscores. The fact |
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31 # that they're very similar is no coincidence; the default naming scheme is |
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32 # to look for a Python module named after the command. |
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33 command_re = re.compile (r'^[a-zA-Z]([a-zA-Z0-9_]*)$') |
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34 |
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35 |
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36 class Distribution: |
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37 """The core of the Distutils. Most of the work hiding behind 'setup' |
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38 is really done within a Distribution instance, which farms the work out |
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39 to the Distutils commands specified on the command line. |
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40 |
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41 Setup scripts will almost never instantiate Distribution directly, |
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42 unless the 'setup()' function is totally inadequate to their needs. |
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43 However, it is conceivable that a setup script might wish to subclass |
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44 Distribution for some specialized purpose, and then pass the subclass |
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45 to 'setup()' as the 'distclass' keyword argument. If so, it is |
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46 necessary to respect the expectations that 'setup' has of Distribution. |
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47 See the code for 'setup()', in core.py, for details. |
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48 """ |
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49 |
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50 |
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51 # 'global_options' describes the command-line options that may be |
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52 # supplied to the setup script prior to any actual commands. |
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53 # Eg. "./setup.py -n" or "./setup.py --quiet" both take advantage of |
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54 # these global options. This list should be kept to a bare minimum, |
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55 # since every global option is also valid as a command option -- and we |
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56 # don't want to pollute the commands with too many options that they |
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57 # have minimal control over. |
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58 # The fourth entry for verbose means that it can be repeated. |
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59 global_options = [('verbose', 'v', "run verbosely (default)", 1), |
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60 ('quiet', 'q', "run quietly (turns verbosity off)"), |
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61 ('dry-run', 'n', "don't actually do anything"), |
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62 ('help', 'h', "show detailed help message"), |
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63 ] |
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64 |
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65 # 'common_usage' is a short (2-3 line) string describing the common |
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66 # usage of the setup script. |
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67 common_usage = """\ |
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68 Common commands: (see '--help-commands' for more) |
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69 |
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70 setup.py build will build the package underneath 'build/' |
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71 setup.py install will install the package |
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72 """ |
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73 |
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74 # options that are not propagated to the commands |
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75 display_options = [ |
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76 ('help-commands', None, |
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77 "list all available commands"), |
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78 ('name', None, |
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79 "print package name"), |
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80 ('version', 'V', |
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81 "print package version"), |
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82 ('fullname', None, |
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83 "print <package name>-<version>"), |
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84 ('author', None, |
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85 "print the author's name"), |
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86 ('author-email', None, |
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87 "print the author's email address"), |
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88 ('maintainer', None, |
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89 "print the maintainer's name"), |
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90 ('maintainer-email', None, |
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91 "print the maintainer's email address"), |
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92 ('contact', None, |
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93 "print the maintainer's name if known, else the author's"), |
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94 ('contact-email', None, |
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95 "print the maintainer's email address if known, else the author's"), |
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96 ('url', None, |
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97 "print the URL for this package"), |
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98 ('license', None, |
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99 "print the license of the package"), |
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100 ('licence', None, |
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101 "alias for --license"), |
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102 ('description', None, |
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103 "print the package description"), |
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104 ('long-description', None, |
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105 "print the long package description"), |
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106 ('platforms', None, |
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107 "print the list of platforms"), |
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108 ('classifiers', None, |
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109 "print the list of classifiers"), |
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110 ('keywords', None, |
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111 "print the list of keywords"), |
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112 ('provides', None, |
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113 "print the list of packages/modules provided"), |
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114 ('requires', None, |
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115 "print the list of packages/modules required"), |
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116 ('obsoletes', None, |
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117 "print the list of packages/modules made obsolete") |
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118 ] |
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119 display_option_names = map(lambda x: translate_longopt(x[0]), |
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120 display_options) |
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121 |
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122 # negative options are options that exclude other options |
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123 negative_opt = {'quiet': 'verbose'} |
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124 |
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125 |
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126 # -- Creation/initialization methods ------------------------------- |
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127 |
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128 def __init__ (self, attrs=None): |
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129 """Construct a new Distribution instance: initialize all the |
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130 attributes of a Distribution, and then use 'attrs' (a dictionary |
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131 mapping attribute names to values) to assign some of those |
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132 attributes their "real" values. (Any attributes not mentioned in |
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133 'attrs' will be assigned to some null value: 0, None, an empty list |
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134 or dictionary, etc.) Most importantly, initialize the |
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135 'command_obj' attribute to the empty dictionary; this will be |
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136 filled in with real command objects by 'parse_command_line()'. |
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137 """ |
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138 |
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139 # Default values for our command-line options |
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140 self.verbose = 1 |
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141 self.dry_run = 0 |
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142 self.help = 0 |
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143 for attr in self.display_option_names: |
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144 setattr(self, attr, 0) |
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145 |
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146 # Store the distribution meta-data (name, version, author, and so |
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147 # forth) in a separate object -- we're getting to have enough |
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148 # information here (and enough command-line options) that it's |
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149 # worth it. Also delegate 'get_XXX()' methods to the 'metadata' |
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150 # object in a sneaky and underhanded (but efficient!) way. |
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151 self.metadata = DistributionMetadata() |
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152 for basename in self.metadata._METHOD_BASENAMES: |
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153 method_name = "get_" + basename |
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154 setattr(self, method_name, getattr(self.metadata, method_name)) |
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155 |
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156 # 'cmdclass' maps command names to class objects, so we |
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157 # can 1) quickly figure out which class to instantiate when |
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158 # we need to create a new command object, and 2) have a way |
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159 # for the setup script to override command classes |
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160 self.cmdclass = {} |
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161 |
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162 # 'command_packages' is a list of packages in which commands |
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163 # are searched for. The factory for command 'foo' is expected |
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164 # to be named 'foo' in the module 'foo' in one of the packages |
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165 # named here. This list is searched from the left; an error |
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166 # is raised if no named package provides the command being |
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167 # searched for. (Always access using get_command_packages().) |
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168 self.command_packages = None |
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169 |
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170 # 'script_name' and 'script_args' are usually set to sys.argv[0] |
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171 # and sys.argv[1:], but they can be overridden when the caller is |
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172 # not necessarily a setup script run from the command-line. |
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173 self.script_name = None |
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174 self.script_args = None |
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175 |
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176 # 'command_options' is where we store command options between |
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177 # parsing them (from config files, the command-line, etc.) and when |
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178 # they are actually needed -- ie. when the command in question is |
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179 # instantiated. It is a dictionary of dictionaries of 2-tuples: |
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180 # command_options = { command_name : { option : (source, value) } } |
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181 self.command_options = {} |
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182 |
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183 # 'dist_files' is the list of (command, pyversion, file) that |
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184 # have been created by any dist commands run so far. This is |
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185 # filled regardless of whether the run is dry or not. pyversion |
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186 # gives sysconfig.get_python_version() if the dist file is |
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187 # specific to a Python version, 'any' if it is good for all |
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188 # Python versions on the target platform, and '' for a source |
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189 # file. pyversion should not be used to specify minimum or |
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190 # maximum required Python versions; use the metainfo for that |
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191 # instead. |
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192 self.dist_files = [] |
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193 |
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194 # These options are really the business of various commands, rather |
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195 # than of the Distribution itself. We provide aliases for them in |
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196 # Distribution as a convenience to the developer. |
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197 self.packages = None |
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198 self.package_data = {} |
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199 self.package_dir = None |
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200 self.py_modules = None |
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201 self.libraries = None |
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202 self.headers = None |
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203 self.ext_modules = None |
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204 self.ext_package = None |
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205 self.include_dirs = None |
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206 self.extra_path = None |
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207 self.scripts = None |
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208 self.data_files = None |
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209 |
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210 # And now initialize bookkeeping stuff that can't be supplied by |
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211 # the caller at all. 'command_obj' maps command names to |
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212 # Command instances -- that's how we enforce that every command |
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213 # class is a singleton. |
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214 self.command_obj = {} |
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215 |
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216 # 'have_run' maps command names to boolean values; it keeps track |
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217 # of whether we have actually run a particular command, to make it |
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218 # cheap to "run" a command whenever we think we might need to -- if |
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219 # it's already been done, no need for expensive filesystem |
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220 # operations, we just check the 'have_run' dictionary and carry on. |
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221 # It's only safe to query 'have_run' for a command class that has |
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222 # been instantiated -- a false value will be inserted when the |
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223 # command object is created, and replaced with a true value when |
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224 # the command is successfully run. Thus it's probably best to use |
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225 # '.get()' rather than a straight lookup. |
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226 self.have_run = {} |
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227 |
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228 # Now we'll use the attrs dictionary (ultimately, keyword args from |
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229 # the setup script) to possibly override any or all of these |
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230 # distribution options. |
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231 |
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232 if attrs: |
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233 # Pull out the set of command options and work on them |
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234 # specifically. Note that this order guarantees that aliased |
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235 # command options will override any supplied redundantly |
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236 # through the general options dictionary. |
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237 options = attrs.get('options') |
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238 if options: |
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239 del attrs['options'] |
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240 for (command, cmd_options) in options.items(): |
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241 opt_dict = self.get_option_dict(command) |
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242 for (opt, val) in cmd_options.items(): |
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243 opt_dict[opt] = ("setup script", val) |
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244 |
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245 if 'licence' in attrs: |
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246 attrs['license'] = attrs['licence'] |
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247 del attrs['licence'] |
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248 msg = "'licence' distribution option is deprecated; use 'license'" |
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249 if warnings is not None: |
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250 warnings.warn(msg) |
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251 else: |
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252 sys.stderr.write(msg + "\n") |
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253 |
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254 # Now work on the rest of the attributes. Any attribute that's |
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255 # not already defined is invalid! |
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256 for (key,val) in attrs.items(): |
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257 if hasattr(self.metadata, "set_" + key): |
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258 getattr(self.metadata, "set_" + key)(val) |
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259 elif hasattr(self.metadata, key): |
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260 setattr(self.metadata, key, val) |
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261 elif hasattr(self, key): |
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262 setattr(self, key, val) |
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263 else: |
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264 msg = "Unknown distribution option: %s" % repr(key) |
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265 if warnings is not None: |
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266 warnings.warn(msg) |
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267 else: |
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268 sys.stderr.write(msg + "\n") |
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269 |
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270 self.finalize_options() |
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271 |
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272 # __init__ () |
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273 |
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274 |
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275 def get_option_dict (self, command): |
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276 """Get the option dictionary for a given command. If that |
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277 command's option dictionary hasn't been created yet, then create it |
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278 and return the new dictionary; otherwise, return the existing |
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279 option dictionary. |
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280 """ |
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281 |
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282 dict = self.command_options.get(command) |
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283 if dict is None: |
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284 dict = self.command_options[command] = {} |
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285 return dict |
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286 |
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287 |
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288 def dump_option_dicts (self, header=None, commands=None, indent=""): |
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289 from pprint import pformat |
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290 |
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291 if commands is None: # dump all command option dicts |
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292 commands = self.command_options.keys() |
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293 commands.sort() |
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294 |
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295 if header is not None: |
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296 print indent + header |
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297 indent = indent + " " |
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298 |
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299 if not commands: |
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300 print indent + "no commands known yet" |
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301 return |
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302 |
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303 for cmd_name in commands: |
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304 opt_dict = self.command_options.get(cmd_name) |
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305 if opt_dict is None: |
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306 print indent + "no option dict for '%s' command" % cmd_name |
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307 else: |
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308 print indent + "option dict for '%s' command:" % cmd_name |
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309 out = pformat(opt_dict) |
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310 for line in string.split(out, "\n"): |
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311 print indent + " " + line |
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312 |
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313 # dump_option_dicts () |
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314 |
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315 |
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316 |
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317 # -- Config file finding/parsing methods --------------------------- |
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318 |
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319 def find_config_files (self): |
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320 """Find as many configuration files as should be processed for this |
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321 platform, and return a list of filenames in the order in which they |
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322 should be parsed. The filenames returned are guaranteed to exist |
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323 (modulo nasty race conditions). |
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324 |
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325 There are three possible config files: distutils.cfg in the |
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326 Distutils installation directory (ie. where the top-level |
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327 Distutils __inst__.py file lives), a file in the user's home |
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328 directory named .pydistutils.cfg on Unix and pydistutils.cfg |
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329 on Windows/Mac, and setup.cfg in the current directory. |
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330 """ |
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331 files = [] |
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332 check_environ() |
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333 |
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334 # Where to look for the system-wide Distutils config file |
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335 sys_dir = os.path.dirname(sys.modules['distutils'].__file__) |
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336 |
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337 # Look for the system config file |
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338 sys_file = os.path.join(sys_dir, "distutils.cfg") |
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339 if os.path.isfile(sys_file): |
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340 files.append(sys_file) |
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341 |
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342 # What to call the per-user config file |
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343 if os.name == 'posix': |
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344 user_filename = ".pydistutils.cfg" |
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345 else: |
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346 user_filename = "pydistutils.cfg" |
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347 |
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348 # And look for the user config file |
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349 user_file = os.path.join(os.path.expanduser('~'), user_filename) |
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350 if os.path.isfile(user_file): |
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351 files.append(user_file) |
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352 |
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353 # All platforms support local setup.cfg |
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354 local_file = "setup.cfg" |
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355 if os.path.isfile(local_file): |
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356 files.append(local_file) |
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357 |
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358 return files |
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359 |
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360 # find_config_files () |
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361 |
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362 |
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363 def parse_config_files (self, filenames=None): |
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364 from ConfigParser import ConfigParser |
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365 |
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366 if filenames is None: |
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367 filenames = self.find_config_files() |
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368 |
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369 if DEBUG: print "Distribution.parse_config_files():" |
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370 |
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371 parser = ConfigParser() |
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372 for filename in filenames: |
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373 if DEBUG: print " reading", filename |
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374 parser.read(filename) |
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375 for section in parser.sections(): |
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376 options = parser.options(section) |
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377 opt_dict = self.get_option_dict(section) |
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378 |
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379 for opt in options: |
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380 if opt != '__name__': |
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381 val = parser.get(section,opt) |
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382 opt = string.replace(opt, '-', '_') |
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383 opt_dict[opt] = (filename, val) |
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384 |
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385 # Make the ConfigParser forget everything (so we retain |
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386 # the original filenames that options come from) |
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387 parser.__init__() |
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388 |
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389 # If there was a "global" section in the config file, use it |
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390 # to set Distribution options. |
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391 |
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392 if 'global' in self.command_options: |
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393 for (opt, (src, val)) in self.command_options['global'].items(): |
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394 alias = self.negative_opt.get(opt) |
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395 try: |
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396 if alias: |
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397 setattr(self, alias, not strtobool(val)) |
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398 elif opt in ('verbose', 'dry_run'): # ugh! |
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399 setattr(self, opt, strtobool(val)) |
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400 else: |
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401 setattr(self, opt, val) |
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402 except ValueError, msg: |
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403 raise DistutilsOptionError, msg |
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404 |
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405 # parse_config_files () |
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406 |
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407 |
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408 # -- Command-line parsing methods ---------------------------------- |
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409 |
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410 def parse_command_line (self): |
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411 """Parse the setup script's command line, taken from the |
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412 'script_args' instance attribute (which defaults to 'sys.argv[1:]' |
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413 -- see 'setup()' in core.py). This list is first processed for |
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414 "global options" -- options that set attributes of the Distribution |
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415 instance. Then, it is alternately scanned for Distutils commands |
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416 and options for that command. Each new command terminates the |
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417 options for the previous command. The allowed options for a |
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418 command are determined by the 'user_options' attribute of the |
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419 command class -- thus, we have to be able to load command classes |
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420 in order to parse the command line. Any error in that 'options' |
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421 attribute raises DistutilsGetoptError; any error on the |
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422 command-line raises DistutilsArgError. If no Distutils commands |
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423 were found on the command line, raises DistutilsArgError. Return |
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424 true if command-line was successfully parsed and we should carry |
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425 on with executing commands; false if no errors but we shouldn't |
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426 execute commands (currently, this only happens if user asks for |
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427 help). |
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428 """ |
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429 # |
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430 # We now have enough information to show the Macintosh dialog |
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431 # that allows the user to interactively specify the "command line". |
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432 # |
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433 toplevel_options = self._get_toplevel_options() |
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434 if sys.platform == 'mac': |
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435 import EasyDialogs |
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436 cmdlist = self.get_command_list() |
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437 self.script_args = EasyDialogs.GetArgv( |
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438 toplevel_options + self.display_options, cmdlist) |
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439 |
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440 # We have to parse the command line a bit at a time -- global |
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441 # options, then the first command, then its options, and so on -- |
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442 # because each command will be handled by a different class, and |
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443 # the options that are valid for a particular class aren't known |
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444 # until we have loaded the command class, which doesn't happen |
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445 # until we know what the command is. |
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446 |
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447 self.commands = [] |
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448 parser = FancyGetopt(toplevel_options + self.display_options) |
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449 parser.set_negative_aliases(self.negative_opt) |
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450 parser.set_aliases({'licence': 'license'}) |
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451 args = parser.getopt(args=self.script_args, object=self) |
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452 option_order = parser.get_option_order() |
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453 log.set_verbosity(self.verbose) |
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454 |
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455 # for display options we return immediately |
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456 if self.handle_display_options(option_order): |
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457 return |
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458 |
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459 while args: |
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460 args = self._parse_command_opts(parser, args) |
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461 if args is None: # user asked for help (and got it) |
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462 return |
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463 |
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464 # Handle the cases of --help as a "global" option, ie. |
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465 # "setup.py --help" and "setup.py --help command ...". For the |
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466 # former, we show global options (--verbose, --dry-run, etc.) |
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467 # and display-only options (--name, --version, etc.); for the |
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468 # latter, we omit the display-only options and show help for |
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469 # each command listed on the command line. |
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470 if self.help: |
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471 self._show_help(parser, |
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472 display_options=len(self.commands) == 0, |
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473 commands=self.commands) |
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474 return |
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475 |
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476 # Oops, no commands found -- an end-user error |
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477 if not self.commands: |
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478 raise DistutilsArgError, "no commands supplied" |
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479 |
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480 # All is well: return true |
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481 return 1 |
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482 |
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483 # parse_command_line() |
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484 |
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485 def _get_toplevel_options (self): |
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486 """Return the non-display options recognized at the top level. |
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487 |
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488 This includes options that are recognized *only* at the top |
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489 level as well as options recognized for commands. |
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490 """ |
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491 return self.global_options + [ |
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492 ("command-packages=", None, |
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493 "list of packages that provide distutils commands"), |
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494 ] |
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495 |
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496 def _parse_command_opts (self, parser, args): |
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497 """Parse the command-line options for a single command. |
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498 'parser' must be a FancyGetopt instance; 'args' must be the list |
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499 of arguments, starting with the current command (whose options |
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500 we are about to parse). Returns a new version of 'args' with |
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501 the next command at the front of the list; will be the empty |
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502 list if there are no more commands on the command line. Returns |
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503 None if the user asked for help on this command. |
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504 """ |
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505 # late import because of mutual dependence between these modules |
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506 from distutils.cmd import Command |
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507 |
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508 # Pull the current command from the head of the command line |
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509 command = args[0] |
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510 if not command_re.match(command): |
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511 raise SystemExit, "invalid command name '%s'" % command |
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512 self.commands.append(command) |
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513 |
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514 # Dig up the command class that implements this command, so we |
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515 # 1) know that it's a valid command, and 2) know which options |
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516 # it takes. |
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517 try: |
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518 cmd_class = self.get_command_class(command) |
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519 except DistutilsModuleError, msg: |
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520 raise DistutilsArgError, msg |
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521 |
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522 # Require that the command class be derived from Command -- want |
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523 # to be sure that the basic "command" interface is implemented. |
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524 if not issubclass(cmd_class, Command): |
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525 raise DistutilsClassError, \ |
|
526 "command class %s must subclass Command" % cmd_class |
|
527 |
|
528 # Also make sure that the command object provides a list of its |
|
529 # known options. |
|
530 if not (hasattr(cmd_class, 'user_options') and |
|
531 type(cmd_class.user_options) is ListType): |
|
532 raise DistutilsClassError, \ |
|
533 ("command class %s must provide " + |
|
534 "'user_options' attribute (a list of tuples)") % \ |
|
535 cmd_class |
|
536 |
|
537 # If the command class has a list of negative alias options, |
|
538 # merge it in with the global negative aliases. |
|
539 negative_opt = self.negative_opt |
|
540 if hasattr(cmd_class, 'negative_opt'): |
|
541 negative_opt = copy(negative_opt) |
|
542 negative_opt.update(cmd_class.negative_opt) |
|
543 |
|
544 # Check for help_options in command class. They have a different |
|
545 # format (tuple of four) so we need to preprocess them here. |
|
546 if (hasattr(cmd_class, 'help_options') and |
|
547 type(cmd_class.help_options) is ListType): |
|
548 help_options = fix_help_options(cmd_class.help_options) |
|
549 else: |
|
550 help_options = [] |
|
551 |
|
552 |
|
553 # All commands support the global options too, just by adding |
|
554 # in 'global_options'. |
|
555 parser.set_option_table(self.global_options + |
|
556 cmd_class.user_options + |
|
557 help_options) |
|
558 parser.set_negative_aliases(negative_opt) |
|
559 (args, opts) = parser.getopt(args[1:]) |
|
560 if hasattr(opts, 'help') and opts.help: |
|
561 self._show_help(parser, display_options=0, commands=[cmd_class]) |
|
562 return |
|
563 |
|
564 if (hasattr(cmd_class, 'help_options') and |
|
565 type(cmd_class.help_options) is ListType): |
|
566 help_option_found=0 |
|
567 for (help_option, short, desc, func) in cmd_class.help_options: |
|
568 if hasattr(opts, parser.get_attr_name(help_option)): |
|
569 help_option_found=1 |
|
570 #print "showing help for option %s of command %s" % \ |
|
571 # (help_option[0],cmd_class) |
|
572 |
|
573 if callable(func): |
|
574 func() |
|
575 else: |
|
576 raise DistutilsClassError( |
|
577 "invalid help function %r for help option '%s': " |
|
578 "must be a callable object (function, etc.)" |
|
579 % (func, help_option)) |
|
580 |
|
581 if help_option_found: |
|
582 return |
|
583 |
|
584 # Put the options from the command-line into their official |
|
585 # holding pen, the 'command_options' dictionary. |
|
586 opt_dict = self.get_option_dict(command) |
|
587 for (name, value) in vars(opts).items(): |
|
588 opt_dict[name] = ("command line", value) |
|
589 |
|
590 return args |
|
591 |
|
592 # _parse_command_opts () |
|
593 |
|
594 def finalize_options (self): |
|
595 """Set final values for all the options on the Distribution |
|
596 instance, analogous to the .finalize_options() method of Command |
|
597 objects. |
|
598 """ |
|
599 |
|
600 keywords = self.metadata.keywords |
|
601 if keywords is not None: |
|
602 if type(keywords) is StringType: |
|
603 keywordlist = string.split(keywords, ',') |
|
604 self.metadata.keywords = map(string.strip, keywordlist) |
|
605 |
|
606 platforms = self.metadata.platforms |
|
607 if platforms is not None: |
|
608 if type(platforms) is StringType: |
|
609 platformlist = string.split(platforms, ',') |
|
610 self.metadata.platforms = map(string.strip, platformlist) |
|
611 |
|
612 def _show_help (self, |
|
613 parser, |
|
614 global_options=1, |
|
615 display_options=1, |
|
616 commands=[]): |
|
617 """Show help for the setup script command-line in the form of |
|
618 several lists of command-line options. 'parser' should be a |
|
619 FancyGetopt instance; do not expect it to be returned in the |
|
620 same state, as its option table will be reset to make it |
|
621 generate the correct help text. |
|
622 |
|
623 If 'global_options' is true, lists the global options: |
|
624 --verbose, --dry-run, etc. If 'display_options' is true, lists |
|
625 the "display-only" options: --name, --version, etc. Finally, |
|
626 lists per-command help for every command name or command class |
|
627 in 'commands'. |
|
628 """ |
|
629 # late import because of mutual dependence between these modules |
|
630 from distutils.core import gen_usage |
|
631 from distutils.cmd import Command |
|
632 |
|
633 if global_options: |
|
634 if display_options: |
|
635 options = self._get_toplevel_options() |
|
636 else: |
|
637 options = self.global_options |
|
638 parser.set_option_table(options) |
|
639 parser.print_help(self.common_usage + "\nGlobal options:") |
|
640 print |
|
641 |
|
642 if display_options: |
|
643 parser.set_option_table(self.display_options) |
|
644 parser.print_help( |
|
645 "Information display options (just display " + |
|
646 "information, ignore any commands)") |
|
647 print |
|
648 |
|
649 for command in self.commands: |
|
650 if type(command) is ClassType and issubclass(command, Command): |
|
651 klass = command |
|
652 else: |
|
653 klass = self.get_command_class(command) |
|
654 if (hasattr(klass, 'help_options') and |
|
655 type(klass.help_options) is ListType): |
|
656 parser.set_option_table(klass.user_options + |
|
657 fix_help_options(klass.help_options)) |
|
658 else: |
|
659 parser.set_option_table(klass.user_options) |
|
660 parser.print_help("Options for '%s' command:" % klass.__name__) |
|
661 print |
|
662 |
|
663 print gen_usage(self.script_name) |
|
664 return |
|
665 |
|
666 # _show_help () |
|
667 |
|
668 |
|
669 def handle_display_options (self, option_order): |
|
670 """If there were any non-global "display-only" options |
|
671 (--help-commands or the metadata display options) on the command |
|
672 line, display the requested info and return true; else return |
|
673 false. |
|
674 """ |
|
675 from distutils.core import gen_usage |
|
676 |
|
677 # User just wants a list of commands -- we'll print it out and stop |
|
678 # processing now (ie. if they ran "setup --help-commands foo bar", |
|
679 # we ignore "foo bar"). |
|
680 if self.help_commands: |
|
681 self.print_commands() |
|
682 print |
|
683 print gen_usage(self.script_name) |
|
684 return 1 |
|
685 |
|
686 # If user supplied any of the "display metadata" options, then |
|
687 # display that metadata in the order in which the user supplied the |
|
688 # metadata options. |
|
689 any_display_options = 0 |
|
690 is_display_option = {} |
|
691 for option in self.display_options: |
|
692 is_display_option[option[0]] = 1 |
|
693 |
|
694 for (opt, val) in option_order: |
|
695 if val and is_display_option.get(opt): |
|
696 opt = translate_longopt(opt) |
|
697 value = getattr(self.metadata, "get_"+opt)() |
|
698 if opt in ['keywords', 'platforms']: |
|
699 print string.join(value, ',') |
|
700 elif opt in ('classifiers', 'provides', 'requires', |
|
701 'obsoletes'): |
|
702 print string.join(value, '\n') |
|
703 else: |
|
704 print value |
|
705 any_display_options = 1 |
|
706 |
|
707 return any_display_options |
|
708 |
|
709 # handle_display_options() |
|
710 |
|
711 def print_command_list (self, commands, header, max_length): |
|
712 """Print a subset of the list of all commands -- used by |
|
713 'print_commands()'. |
|
714 """ |
|
715 |
|
716 print header + ":" |
|
717 |
|
718 for cmd in commands: |
|
719 klass = self.cmdclass.get(cmd) |
|
720 if not klass: |
|
721 klass = self.get_command_class(cmd) |
|
722 try: |
|
723 description = klass.description |
|
724 except AttributeError: |
|
725 description = "(no description available)" |
|
726 |
|
727 print " %-*s %s" % (max_length, cmd, description) |
|
728 |
|
729 # print_command_list () |
|
730 |
|
731 |
|
732 def print_commands (self): |
|
733 """Print out a help message listing all available commands with a |
|
734 description of each. The list is divided into "standard commands" |
|
735 (listed in distutils.command.__all__) and "extra commands" |
|
736 (mentioned in self.cmdclass, but not a standard command). The |
|
737 descriptions come from the command class attribute |
|
738 'description'. |
|
739 """ |
|
740 |
|
741 import distutils.command |
|
742 std_commands = distutils.command.__all__ |
|
743 is_std = {} |
|
744 for cmd in std_commands: |
|
745 is_std[cmd] = 1 |
|
746 |
|
747 extra_commands = [] |
|
748 for cmd in self.cmdclass.keys(): |
|
749 if not is_std.get(cmd): |
|
750 extra_commands.append(cmd) |
|
751 |
|
752 max_length = 0 |
|
753 for cmd in (std_commands + extra_commands): |
|
754 if len(cmd) > max_length: |
|
755 max_length = len(cmd) |
|
756 |
|
757 self.print_command_list(std_commands, |
|
758 "Standard commands", |
|
759 max_length) |
|
760 if extra_commands: |
|
761 print |
|
762 self.print_command_list(extra_commands, |
|
763 "Extra commands", |
|
764 max_length) |
|
765 |
|
766 # print_commands () |
|
767 |
|
768 def get_command_list (self): |
|
769 """Get a list of (command, description) tuples. |
|
770 The list is divided into "standard commands" (listed in |
|
771 distutils.command.__all__) and "extra commands" (mentioned in |
|
772 self.cmdclass, but not a standard command). The descriptions come |
|
773 from the command class attribute 'description'. |
|
774 """ |
|
775 # Currently this is only used on Mac OS, for the Mac-only GUI |
|
776 # Distutils interface (by Jack Jansen) |
|
777 |
|
778 import distutils.command |
|
779 std_commands = distutils.command.__all__ |
|
780 is_std = {} |
|
781 for cmd in std_commands: |
|
782 is_std[cmd] = 1 |
|
783 |
|
784 extra_commands = [] |
|
785 for cmd in self.cmdclass.keys(): |
|
786 if not is_std.get(cmd): |
|
787 extra_commands.append(cmd) |
|
788 |
|
789 rv = [] |
|
790 for cmd in (std_commands + extra_commands): |
|
791 klass = self.cmdclass.get(cmd) |
|
792 if not klass: |
|
793 klass = self.get_command_class(cmd) |
|
794 try: |
|
795 description = klass.description |
|
796 except AttributeError: |
|
797 description = "(no description available)" |
|
798 rv.append((cmd, description)) |
|
799 return rv |
|
800 |
|
801 # -- Command class/object methods ---------------------------------- |
|
802 |
|
803 def get_command_packages (self): |
|
804 """Return a list of packages from which commands are loaded.""" |
|
805 pkgs = self.command_packages |
|
806 if not isinstance(pkgs, type([])): |
|
807 pkgs = string.split(pkgs or "", ",") |
|
808 for i in range(len(pkgs)): |
|
809 pkgs[i] = string.strip(pkgs[i]) |
|
810 pkgs = filter(None, pkgs) |
|
811 if "distutils.command" not in pkgs: |
|
812 pkgs.insert(0, "distutils.command") |
|
813 self.command_packages = pkgs |
|
814 return pkgs |
|
815 |
|
816 def get_command_class (self, command): |
|
817 """Return the class that implements the Distutils command named by |
|
818 'command'. First we check the 'cmdclass' dictionary; if the |
|
819 command is mentioned there, we fetch the class object from the |
|
820 dictionary and return it. Otherwise we load the command module |
|
821 ("distutils.command." + command) and fetch the command class from |
|
822 the module. The loaded class is also stored in 'cmdclass' |
|
823 to speed future calls to 'get_command_class()'. |
|
824 |
|
825 Raises DistutilsModuleError if the expected module could not be |
|
826 found, or if that module does not define the expected class. |
|
827 """ |
|
828 klass = self.cmdclass.get(command) |
|
829 if klass: |
|
830 return klass |
|
831 |
|
832 for pkgname in self.get_command_packages(): |
|
833 module_name = "%s.%s" % (pkgname, command) |
|
834 klass_name = command |
|
835 |
|
836 try: |
|
837 __import__ (module_name) |
|
838 module = sys.modules[module_name] |
|
839 except ImportError: |
|
840 continue |
|
841 |
|
842 try: |
|
843 klass = getattr(module, klass_name) |
|
844 except AttributeError: |
|
845 raise DistutilsModuleError, \ |
|
846 "invalid command '%s' (no class '%s' in module '%s')" \ |
|
847 % (command, klass_name, module_name) |
|
848 |
|
849 self.cmdclass[command] = klass |
|
850 return klass |
|
851 |
|
852 raise DistutilsModuleError("invalid command '%s'" % command) |
|
853 |
|
854 |
|
855 # get_command_class () |
|
856 |
|
857 def get_command_obj (self, command, create=1): |
|
858 """Return the command object for 'command'. Normally this object |
|
859 is cached on a previous call to 'get_command_obj()'; if no command |
|
860 object for 'command' is in the cache, then we either create and |
|
861 return it (if 'create' is true) or return None. |
|
862 """ |
|
863 cmd_obj = self.command_obj.get(command) |
|
864 if not cmd_obj and create: |
|
865 if DEBUG: |
|
866 print "Distribution.get_command_obj(): " \ |
|
867 "creating '%s' command object" % command |
|
868 |
|
869 klass = self.get_command_class(command) |
|
870 cmd_obj = self.command_obj[command] = klass(self) |
|
871 self.have_run[command] = 0 |
|
872 |
|
873 # Set any options that were supplied in config files |
|
874 # or on the command line. (NB. support for error |
|
875 # reporting is lame here: any errors aren't reported |
|
876 # until 'finalize_options()' is called, which means |
|
877 # we won't report the source of the error.) |
|
878 options = self.command_options.get(command) |
|
879 if options: |
|
880 self._set_command_options(cmd_obj, options) |
|
881 |
|
882 return cmd_obj |
|
883 |
|
884 def _set_command_options (self, command_obj, option_dict=None): |
|
885 """Set the options for 'command_obj' from 'option_dict'. Basically |
|
886 this means copying elements of a dictionary ('option_dict') to |
|
887 attributes of an instance ('command'). |
|
888 |
|
889 'command_obj' must be a Command instance. If 'option_dict' is not |
|
890 supplied, uses the standard option dictionary for this command |
|
891 (from 'self.command_options'). |
|
892 """ |
|
893 command_name = command_obj.get_command_name() |
|
894 if option_dict is None: |
|
895 option_dict = self.get_option_dict(command_name) |
|
896 |
|
897 if DEBUG: print " setting options for '%s' command:" % command_name |
|
898 for (option, (source, value)) in option_dict.items(): |
|
899 if DEBUG: print " %s = %s (from %s)" % (option, value, source) |
|
900 try: |
|
901 bool_opts = map(translate_longopt, command_obj.boolean_options) |
|
902 except AttributeError: |
|
903 bool_opts = [] |
|
904 try: |
|
905 neg_opt = command_obj.negative_opt |
|
906 except AttributeError: |
|
907 neg_opt = {} |
|
908 |
|
909 try: |
|
910 is_string = type(value) is StringType |
|
911 if option in neg_opt and is_string: |
|
912 setattr(command_obj, neg_opt[option], not strtobool(value)) |
|
913 elif option in bool_opts and is_string: |
|
914 setattr(command_obj, option, strtobool(value)) |
|
915 elif hasattr(command_obj, option): |
|
916 setattr(command_obj, option, value) |
|
917 else: |
|
918 raise DistutilsOptionError, \ |
|
919 ("error in %s: command '%s' has no such option '%s'" |
|
920 % (source, command_name, option)) |
|
921 except ValueError, msg: |
|
922 raise DistutilsOptionError, msg |
|
923 |
|
924 def reinitialize_command (self, command, reinit_subcommands=0): |
|
925 """Reinitializes a command to the state it was in when first |
|
926 returned by 'get_command_obj()': ie., initialized but not yet |
|
927 finalized. This provides the opportunity to sneak option |
|
928 values in programmatically, overriding or supplementing |
|
929 user-supplied values from the config files and command line. |
|
930 You'll have to re-finalize the command object (by calling |
|
931 'finalize_options()' or 'ensure_finalized()') before using it for |
|
932 real. |
|
933 |
|
934 'command' should be a command name (string) or command object. If |
|
935 'reinit_subcommands' is true, also reinitializes the command's |
|
936 sub-commands, as declared by the 'sub_commands' class attribute (if |
|
937 it has one). See the "install" command for an example. Only |
|
938 reinitializes the sub-commands that actually matter, ie. those |
|
939 whose test predicates return true. |
|
940 |
|
941 Returns the reinitialized command object. |
|
942 """ |
|
943 from distutils.cmd import Command |
|
944 if not isinstance(command, Command): |
|
945 command_name = command |
|
946 command = self.get_command_obj(command_name) |
|
947 else: |
|
948 command_name = command.get_command_name() |
|
949 |
|
950 if not command.finalized: |
|
951 return command |
|
952 command.initialize_options() |
|
953 command.finalized = 0 |
|
954 self.have_run[command_name] = 0 |
|
955 self._set_command_options(command) |
|
956 |
|
957 if reinit_subcommands: |
|
958 for sub in command.get_sub_commands(): |
|
959 self.reinitialize_command(sub, reinit_subcommands) |
|
960 |
|
961 return command |
|
962 |
|
963 |
|
964 # -- Methods that operate on the Distribution ---------------------- |
|
965 |
|
966 def announce (self, msg, level=1): |
|
967 log.debug(msg) |
|
968 |
|
969 def run_commands (self): |
|
970 """Run each command that was seen on the setup script command line. |
|
971 Uses the list of commands found and cache of command objects |
|
972 created by 'get_command_obj()'. |
|
973 """ |
|
974 for cmd in self.commands: |
|
975 self.run_command(cmd) |
|
976 |
|
977 |
|
978 # -- Methods that operate on its Commands -------------------------- |
|
979 |
|
980 def run_command (self, command): |
|
981 """Do whatever it takes to run a command (including nothing at all, |
|
982 if the command has already been run). Specifically: if we have |
|
983 already created and run the command named by 'command', return |
|
984 silently without doing anything. If the command named by 'command' |
|
985 doesn't even have a command object yet, create one. Then invoke |
|
986 'run()' on that command object (or an existing one). |
|
987 """ |
|
988 # Already been here, done that? then return silently. |
|
989 if self.have_run.get(command): |
|
990 return |
|
991 |
|
992 log.info("running %s", command) |
|
993 cmd_obj = self.get_command_obj(command) |
|
994 cmd_obj.ensure_finalized() |
|
995 cmd_obj.run() |
|
996 self.have_run[command] = 1 |
|
997 |
|
998 |
|
999 # -- Distribution query methods ------------------------------------ |
|
1000 |
|
1001 def has_pure_modules (self): |
|
1002 return len(self.packages or self.py_modules or []) > 0 |
|
1003 |
|
1004 def has_ext_modules (self): |
|
1005 return self.ext_modules and len(self.ext_modules) > 0 |
|
1006 |
|
1007 def has_c_libraries (self): |
|
1008 return self.libraries and len(self.libraries) > 0 |
|
1009 |
|
1010 def has_modules (self): |
|
1011 return self.has_pure_modules() or self.has_ext_modules() |
|
1012 |
|
1013 def has_headers (self): |
|
1014 return self.headers and len(self.headers) > 0 |
|
1015 |
|
1016 def has_scripts (self): |
|
1017 return self.scripts and len(self.scripts) > 0 |
|
1018 |
|
1019 def has_data_files (self): |
|
1020 return self.data_files and len(self.data_files) > 0 |
|
1021 |
|
1022 def is_pure (self): |
|
1023 return (self.has_pure_modules() and |
|
1024 not self.has_ext_modules() and |
|
1025 not self.has_c_libraries()) |
|
1026 |
|
1027 # -- Metadata query methods ---------------------------------------- |
|
1028 |
|
1029 # If you're looking for 'get_name()', 'get_version()', and so forth, |
|
1030 # they are defined in a sneaky way: the constructor binds self.get_XXX |
|
1031 # to self.metadata.get_XXX. The actual code is in the |
|
1032 # DistributionMetadata class, below. |
|
1033 |
|
1034 # class Distribution |
|
1035 |
|
1036 |
|
1037 class DistributionMetadata: |
|
1038 """Dummy class to hold the distribution meta-data: name, version, |
|
1039 author, and so forth. |
|
1040 """ |
|
1041 |
|
1042 _METHOD_BASENAMES = ("name", "version", "author", "author_email", |
|
1043 "maintainer", "maintainer_email", "url", |
|
1044 "license", "description", "long_description", |
|
1045 "keywords", "platforms", "fullname", "contact", |
|
1046 "contact_email", "license", "classifiers", |
|
1047 "download_url", |
|
1048 # PEP 314 |
|
1049 "provides", "requires", "obsoletes", |
|
1050 ) |
|
1051 |
|
1052 def __init__ (self): |
|
1053 self.name = None |
|
1054 self.version = None |
|
1055 self.author = None |
|
1056 self.author_email = None |
|
1057 self.maintainer = None |
|
1058 self.maintainer_email = None |
|
1059 self.url = None |
|
1060 self.license = None |
|
1061 self.description = None |
|
1062 self.long_description = None |
|
1063 self.keywords = None |
|
1064 self.platforms = None |
|
1065 self.classifiers = None |
|
1066 self.download_url = None |
|
1067 # PEP 314 |
|
1068 self.provides = None |
|
1069 self.requires = None |
|
1070 self.obsoletes = None |
|
1071 |
|
1072 def write_pkg_info (self, base_dir): |
|
1073 """Write the PKG-INFO file into the release tree. |
|
1074 """ |
|
1075 pkg_info = open( os.path.join(base_dir, 'PKG-INFO'), 'w') |
|
1076 |
|
1077 self.write_pkg_file(pkg_info) |
|
1078 |
|
1079 pkg_info.close() |
|
1080 |
|
1081 # write_pkg_info () |
|
1082 |
|
1083 def write_pkg_file (self, file): |
|
1084 """Write the PKG-INFO format data to a file object. |
|
1085 """ |
|
1086 version = '1.0' |
|
1087 if self.provides or self.requires or self.obsoletes: |
|
1088 version = '1.1' |
|
1089 |
|
1090 self._write_field(file, 'Metadata-Version', version) |
|
1091 self._write_field(file, 'Name', self.get_name()) |
|
1092 self._write_field(file, 'Version', self.get_version()) |
|
1093 self._write_field(file, 'Summary', self.get_description()) |
|
1094 self._write_field(file, 'Home-page', self.get_url()) |
|
1095 self._write_field(file, 'Author', self.get_contact()) |
|
1096 self._write_field(file, 'Author-email', self.get_contact_email()) |
|
1097 self._write_field(file, 'License', self.get_license()) |
|
1098 if self.download_url: |
|
1099 self._write_field(file, 'Download-URL', self.download_url) |
|
1100 |
|
1101 long_desc = rfc822_escape( self.get_long_description()) |
|
1102 self._write_field(file, 'Description', long_desc) |
|
1103 |
|
1104 keywords = string.join( self.get_keywords(), ',') |
|
1105 if keywords: |
|
1106 self._write_field(file, 'Keywords', keywords) |
|
1107 |
|
1108 self._write_list(file, 'Platform', self.get_platforms()) |
|
1109 self._write_list(file, 'Classifier', self.get_classifiers()) |
|
1110 |
|
1111 # PEP 314 |
|
1112 self._write_list(file, 'Requires', self.get_requires()) |
|
1113 self._write_list(file, 'Provides', self.get_provides()) |
|
1114 self._write_list(file, 'Obsoletes', self.get_obsoletes()) |
|
1115 |
|
1116 def _write_field(self, file, name, value): |
|
1117 |
|
1118 if isinstance(value, unicode): |
|
1119 value = value.encode(PKG_INFO_ENCODING) |
|
1120 else: |
|
1121 value = str(value) |
|
1122 file.write('%s: %s\n' % (name, value)) |
|
1123 |
|
1124 def _write_list (self, file, name, values): |
|
1125 |
|
1126 for value in values: |
|
1127 self._write_field(file, name, value) |
|
1128 |
|
1129 # -- Metadata query methods ---------------------------------------- |
|
1130 |
|
1131 def get_name (self): |
|
1132 return self.name or "UNKNOWN" |
|
1133 |
|
1134 def get_version(self): |
|
1135 return self.version or "0.0.0" |
|
1136 |
|
1137 def get_fullname (self): |
|
1138 return "%s-%s" % (self.get_name(), self.get_version()) |
|
1139 |
|
1140 def get_author(self): |
|
1141 return self.author or "UNKNOWN" |
|
1142 |
|
1143 def get_author_email(self): |
|
1144 return self.author_email or "UNKNOWN" |
|
1145 |
|
1146 def get_maintainer(self): |
|
1147 return self.maintainer or "UNKNOWN" |
|
1148 |
|
1149 def get_maintainer_email(self): |
|
1150 return self.maintainer_email or "UNKNOWN" |
|
1151 |
|
1152 def get_contact(self): |
|
1153 return (self.maintainer or |
|
1154 self.author or |
|
1155 "UNKNOWN") |
|
1156 |
|
1157 def get_contact_email(self): |
|
1158 return (self.maintainer_email or |
|
1159 self.author_email or |
|
1160 "UNKNOWN") |
|
1161 |
|
1162 def get_url(self): |
|
1163 return self.url or "UNKNOWN" |
|
1164 |
|
1165 def get_license(self): |
|
1166 return self.license or "UNKNOWN" |
|
1167 get_licence = get_license |
|
1168 |
|
1169 def get_description(self): |
|
1170 return self.description or "UNKNOWN" |
|
1171 |
|
1172 def get_long_description(self): |
|
1173 return self.long_description or "UNKNOWN" |
|
1174 |
|
1175 def get_keywords(self): |
|
1176 return self.keywords or [] |
|
1177 |
|
1178 def get_platforms(self): |
|
1179 return self.platforms or ["UNKNOWN"] |
|
1180 |
|
1181 def get_classifiers(self): |
|
1182 return self.classifiers or [] |
|
1183 |
|
1184 def get_download_url(self): |
|
1185 return self.download_url or "UNKNOWN" |
|
1186 |
|
1187 # PEP 314 |
|
1188 |
|
1189 def get_requires(self): |
|
1190 return self.requires or [] |
|
1191 |
|
1192 def set_requires(self, value): |
|
1193 import distutils.versionpredicate |
|
1194 for v in value: |
|
1195 distutils.versionpredicate.VersionPredicate(v) |
|
1196 self.requires = value |
|
1197 |
|
1198 def get_provides(self): |
|
1199 return self.provides or [] |
|
1200 |
|
1201 def set_provides(self, value): |
|
1202 value = [v.strip() for v in value] |
|
1203 for v in value: |
|
1204 import distutils.versionpredicate |
|
1205 distutils.versionpredicate.split_provision(v) |
|
1206 self.provides = value |
|
1207 |
|
1208 def get_obsoletes(self): |
|
1209 return self.obsoletes or [] |
|
1210 |
|
1211 def set_obsoletes(self, value): |
|
1212 import distutils.versionpredicate |
|
1213 for v in value: |
|
1214 distutils.versionpredicate.VersionPredicate(v) |
|
1215 self.obsoletes = value |
|
1216 |
|
1217 # class DistributionMetadata |
|
1218 |
|
1219 |
|
1220 def fix_help_options (options): |
|
1221 """Convert a 4-tuple 'help_options' list as found in various command |
|
1222 classes to the 3-tuple form required by FancyGetopt. |
|
1223 """ |
|
1224 new_options = [] |
|
1225 for help_tuple in options: |
|
1226 new_options.append(help_tuple[0:3]) |
|
1227 return new_options |
|
1228 |
|
1229 |
|
1230 if __name__ == "__main__": |
|
1231 dist = Distribution() |
|
1232 print "ok" |