Lib/distutils/command/build.py

   1 """distutils.command.build
   2
   3 Implements the Distutils 'build' command."""
   4
   5 # created 1999/03/08, Greg Ward
   6
   7 __rcsid__ = "$Id$"
   8
   9 import os
  10 from distutils.core import Command
  11
  12
  13 class Build (Command):
  14
  15     description = "build everything needed to install"
  16
  17     options = [('build-base=', 'b',
  18                 "base directory for build library"),
  19                ('build-lib=', 'l',
  20                 "directory for platform-shared files"),
  21                ('build-platlib=', 'p',
  22                 "directory for platform-specific files"),
  23               ]
  24
  25     def set_default_options (self):
  26         self.build_base = 'build'
  27         # these are decided only after 'build_base' has its final value
  28         # (unless overridden by the user or client)
  29         self.build_lib = None
  30         self.build_platlib = None
  31
  32     def set_final_options (self):
  33         # 'build_lib' and 'build_platlib' just default to 'lib' and
  34         # 'platlib' under the base build directory
  35         if self.build_lib is None:
  36             self.build_lib = os.path.join (self.build_base, 'lib')
  37         if self.build_platlib is None:
  38             self.build_platlib = os.path.join (self.build_base, 'platlib')
  39
  40
  41     def run (self):
  42
  43         # For now, "build" means "build_py" then "build_ext".  (Eventually
  44         # it should also build documentation.)
  45
  46         # Invoke the 'build_py' command to "build" pure Python modules
  47         # (ie. copy 'em into the build tree)
  48         if self.distribution.packages or self.distribution.py_modules:
  49             self.run_peer ('build_py')
  50
  51         # And now 'build_ext' -- compile extension modules and put them
  52         # into the build tree
  53         if self.distribution.ext_modules:
  54             self.run_peer ('build_ext')
  55
  56 # end class Build