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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
def show_compilers ():
from distutils.ccompiler import show_compilers
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)"),
]
boolean_options = ['debug', 'force']
help_options = [
('help-compiler', None,
"list 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):
plat_specifier = ".%s-%s" % (get_platform(), sys.version[0:3])
# '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' + plat_specifier)
# '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' + plat_specifier)
if self.build_scripts is None:
self.build_scripts = os.path.join(self.build_base,
'scripts-' + sys.version[0:3])
# finalize_options ()
def run (self):
# Run all relevant sub-commands. This will be some subset of:
# - build_py - pure Python modules
# - build_clib - standalone C libraries
# - build_ext - Python extensions
# - build_scripts - (Python) scripts
for cmd_name in self.get_sub_commands():
self.run_command(cmd_name)
# -- Predicates for the sub-command list ---------------------------
def has_pure_modules (self):
return self.distribution.has_pure_modules()
def has_c_libraries (self):
return self.distribution.has_c_libraries()
def has_ext_modules (self):
return self.distribution.has_ext_modules()
def has_scripts (self):
return self.distribution.has_scripts()
sub_commands = [('build_py', has_pure_modules),
('build_clib', has_c_libraries),
('build_ext', has_ext_modules),
('build_scripts', has_scripts),
]
# class build
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