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"""distutils.command.build | |
Implements the Distutils 'build' command.""" | |
import sys, os | |
from distutils.core import Command | |
from distutils.errors import DistutilsOptionError | |
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"), | |
('plat-name=', 'p', | |
"platform name to build for, if supported " | |
"(default: %s)" % get_platform()), | |
('compiler=', 'c', | |
"specify the compiler type"), | |
('parallel=', 'j', | |
"number of parallel build jobs"), | |
('debug', 'g', | |
"compile extensions and libraries with debugging information"), | |
('force', 'f', | |
"forcibly build everything (ignore file timestamps)"), | |
('executable=', 'e', | |
"specify final destination interpreter path (build.py)"), | |
] | |
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.plat_name = None | |
self.debug = None | |
self.force = 0 | |
self.executable = None | |
self.parallel = None | |
def finalize_options(self): | |
if self.plat_name is None: | |
self.plat_name = get_platform() | |
else: | |
# plat-name only supported for windows (other platforms are | |
# supported via ./configure flags, if at all). Avoid misleading | |
# other platforms. | |
if os.name != 'nt': | |
raise DistutilsOptionError( | |
"--plat-name only supported on Windows (try " | |
"using './configure --help' on your platform)") | |
plat_specifier = ".%s-%d.%d" % (self.plat_name, *sys.version_info[:2]) | |
# Make it so Python 2.x and Python 2.x with --with-pydebug don't | |
# share the same build directories. Doing so confuses the build | |
# process for C modules | |
if hasattr(sys, 'gettotalrefcount'): | |
plat_specifier += '-pydebug' | |
# '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.has_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-%d.%d' % sys.version_info[:2]) | |
if self.executable is None and sys.executable: | |
self.executable = os.path.normpath(sys.executable) | |
if isinstance(self.parallel, str): | |
try: | |
self.parallel = int(self.parallel) | |
except ValueError: | |
raise DistutilsOptionError("parallel should be an integer") | |
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), | |
] | |