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build.py
"""distutils.command.build Implements the Distutils 'build' command.""" import sys import os from ..core import Command from ..errors import DistutilsOptionError from ..util import get_platform def show_compilers(): from ..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): # noqa: C901 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 = ".{}-{}".format(self.plat_name, sys.implementation.cache_tag) # 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), ]
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