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"""distutils.command.build
Implements the Distutils 'build' command."""
# created 1999/03/08, Greg Ward
__revision__ = "$Id$"
import sys, os
from distutils.core import Command
from distutils.util import get_platform
from distutils.ccompiler import show_compilers
class build (Command):
description = "build everything needed to install"
user_options = [
('build-base=', 'b',
"base directory for build library"),
('build-purelib=', None,
"build directory for platform-neutral distributions"),
('build-platlib=', None,
"build directory for platform-specific distributions"),
('build-lib=', None,
"build directory for all distribution (defaults to either " +
"build-purelib or build-platlib"),
('build-scripts=', None,
"build directory for scripts"),
('build-temp=', 't',
"temporary build directory"),
('compiler=', 'c',
"specify the compiler type"),
('debug', 'g',
"compile extensions and libraries with debugging information"),
('force', 'f',
"forcibly build everything (ignore file timestamps)"),
]
help_options = [
('help-compiler', None,
"lists available compilers",show_compilers),
]
def initialize_options (self):
self.build_base = 'build'
# these are decided only after 'build_base' has its final value
# (unless overridden by the user or client)
self.build_purelib = None
self.build_platlib = None
self.build_lib = None
self.build_temp = None
self.build_scripts = None
self.compiler = None
self.debug = None
self.force = 0
def finalize_options (self):
# Need this to name platform-specific directories, but sys.platform
# is not enough -- it only names the OS and version, not the
# hardware architecture!
self.plat = get_platform ()
# 'build_purelib' and 'build_platlib' just default to 'lib' and
# 'lib.<plat>' under the base build directory. We only use one of
# them for a given distribution, though --
if self.build_purelib is None:
self.build_purelib = os.path.join (self.build_base, 'lib')
if self.build_platlib is None:
self.build_platlib = os.path.join (self.build_base,
'lib.' + self.plat)
# 'build_lib' is the actual directory that we will use for this
# particular module distribution -- if user didn't supply it, pick
# one of 'build_purelib' or 'build_platlib'.
if self.build_lib is None:
if self.distribution.ext_modules:
self.build_lib = self.build_platlib
else:
self.build_lib = self.build_purelib
# 'build_temp' -- temporary directory for compiler turds,
# "build/temp.<plat>"
if self.build_temp is None:
self.build_temp = os.path.join (self.build_base,
'temp.' + self.plat)
if self.build_scripts is None:
self.build_scripts = os.path.join (self.build_base, 'scripts')
# finalize_options ()
def run (self):
# For now, "build" means "build_py" then "build_ext". (Eventually
# it should also build documentation.)
# Invoke the 'build_py' command to "build" pure Python modules
# (ie. copy 'em into the build tree)
if self.distribution.has_pure_modules():
self.run_command ('build_py')
# Build any standalone C libraries next -- they're most likely to
# be needed by extension modules, so obviously have to be done
# first!
if self.distribution.has_c_libraries():
self.run_command ('build_clib')
# And now 'build_ext' -- compile extension modules and put them
# into the build tree
if self.distribution.has_ext_modules():
self.run_command ('build_ext')
if self.distribution.has_scripts():
self.run_command ('build_scripts')
# class build
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