154 lines
5.5 KiB
Python
154 lines
5.5 KiB
Python
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"""distutils.command.build
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Implements the Distutils 'build' command."""
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import sys
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import os
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from distutils.core import Command
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from distutils.errors import DistutilsOptionError
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from distutils.util import get_platform
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def show_compilers():
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from distutils.ccompiler import show_compilers
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show_compilers()
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class build(Command):
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description = "build everything needed to install"
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user_options = [
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('build-base=', 'b', "base directory for build library"),
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('build-purelib=', None, "build directory for platform-neutral distributions"),
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('build-platlib=', None, "build directory for platform-specific distributions"),
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(
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'build-lib=',
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None,
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"build directory for all distribution (defaults to either "
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+ "build-purelib or build-platlib",
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),
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('build-scripts=', None, "build directory for scripts"),
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('build-temp=', 't', "temporary build directory"),
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(
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'plat-name=',
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'p',
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"platform name to build for, if supported "
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"(default: %s)" % get_platform(),
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),
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('compiler=', 'c', "specify the compiler type"),
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('parallel=', 'j', "number of parallel build jobs"),
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('debug', 'g', "compile extensions and libraries with debugging information"),
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('force', 'f', "forcibly build everything (ignore file timestamps)"),
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('executable=', 'e', "specify final destination interpreter path (build.py)"),
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]
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boolean_options = ['debug', 'force']
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help_options = [
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('help-compiler', None, "list available compilers", show_compilers),
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]
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def initialize_options(self):
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self.build_base = 'build'
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# these are decided only after 'build_base' has its final value
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# (unless overridden by the user or client)
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self.build_purelib = None
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self.build_platlib = None
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self.build_lib = None
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self.build_temp = None
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self.build_scripts = None
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self.compiler = None
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self.plat_name = None
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self.debug = None
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self.force = 0
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self.executable = None
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self.parallel = None
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def finalize_options(self): # noqa: C901
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if self.plat_name is None:
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self.plat_name = get_platform()
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else:
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# plat-name only supported for windows (other platforms are
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# supported via ./configure flags, if at all). Avoid misleading
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# other platforms.
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if os.name != 'nt':
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raise DistutilsOptionError(
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"--plat-name only supported on Windows (try "
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"using './configure --help' on your platform)"
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)
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plat_specifier = ".{}-{}".format(self.plat_name, sys.implementation.cache_tag)
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# Make it so Python 2.x and Python 2.x with --with-pydebug don't
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# share the same build directories. Doing so confuses the build
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# process for C modules
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if hasattr(sys, 'gettotalrefcount'):
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plat_specifier += '-pydebug'
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# 'build_purelib' and 'build_platlib' just default to 'lib' and
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# 'lib.<plat>' under the base build directory. We only use one of
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# them for a given distribution, though --
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if self.build_purelib is None:
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self.build_purelib = os.path.join(self.build_base, 'lib')
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if self.build_platlib is None:
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self.build_platlib = os.path.join(self.build_base, 'lib' + plat_specifier)
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# 'build_lib' is the actual directory that we will use for this
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# particular module distribution -- if user didn't supply it, pick
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# one of 'build_purelib' or 'build_platlib'.
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if self.build_lib is None:
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if self.distribution.has_ext_modules():
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self.build_lib = self.build_platlib
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else:
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self.build_lib = self.build_purelib
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# 'build_temp' -- temporary directory for compiler turds,
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# "build/temp.<plat>"
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if self.build_temp is None:
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self.build_temp = os.path.join(self.build_base, 'temp' + plat_specifier)
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if self.build_scripts is None:
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self.build_scripts = os.path.join(
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self.build_base, 'scripts-%d.%d' % sys.version_info[:2]
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)
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if self.executable is None and sys.executable:
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self.executable = os.path.normpath(sys.executable)
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if isinstance(self.parallel, str):
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try:
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self.parallel = int(self.parallel)
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except ValueError:
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raise DistutilsOptionError("parallel should be an integer")
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def run(self):
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# Run all relevant sub-commands. This will be some subset of:
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# - build_py - pure Python modules
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# - build_clib - standalone C libraries
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# - build_ext - Python extensions
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# - build_scripts - (Python) scripts
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for cmd_name in self.get_sub_commands():
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self.run_command(cmd_name)
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# -- Predicates for the sub-command list ---------------------------
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def has_pure_modules(self):
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return self.distribution.has_pure_modules()
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def has_c_libraries(self):
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return self.distribution.has_c_libraries()
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def has_ext_modules(self):
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return self.distribution.has_ext_modules()
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def has_scripts(self):
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return self.distribution.has_scripts()
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sub_commands = [
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('build_py', has_pure_modules),
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('build_clib', has_c_libraries),
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('build_ext', has_ext_modules),
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('build_scripts', has_scripts),
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]
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