codekingpro/portable-devtools

1"""distutils.command.build2 3Implements the Distutils 'build' command."""4 5import os6import sys7 8from ..core import Command9from ..errors import DistutilsOptionError10from ..util import get_platform11 12 13def show_compilers():14    from ..ccompiler import show_compilers15 16    show_compilers()17 18 19class build(Command):20    description = "build everything needed to install"21 22    user_options = [23        ('build-base=', 'b', "base directory for build library"),24        ('build-purelib=', None, "build directory for platform-neutral distributions"),25        ('build-platlib=', None, "build directory for platform-specific distributions"),26        (27            'build-lib=',28            None,29            "build directory for all distribution (defaults to either "30            + "build-purelib or build-platlib",31        ),32        ('build-scripts=', None, "build directory for scripts"),33        ('build-temp=', 't', "temporary build directory"),34        (35            'plat-name=',36            'p',37            "platform name to build for, if supported "38            "(default: %s)" % get_platform(),39        ),40        ('compiler=', 'c', "specify the compiler type"),41        ('parallel=', 'j', "number of parallel build jobs"),42        ('debug', 'g', "compile extensions and libraries with debugging information"),43        ('force', 'f', "forcibly build everything (ignore file timestamps)"),44        ('executable=', 'e', "specify final destination interpreter path (build.py)"),45    ]46 47    boolean_options = ['debug', 'force']48 49    help_options = [50        ('help-compiler', None, "list available compilers", show_compilers),51    ]52 53    def initialize_options(self):54        self.build_base = 'build'55        # these are decided only after 'build_base' has its final value56        # (unless overridden by the user or client)57        self.build_purelib = None58        self.build_platlib = None59        self.build_lib = None60        self.build_temp = None61        self.build_scripts = None62        self.compiler = None63        self.plat_name = None64        self.debug = None65        self.force = 066        self.executable = None67        self.parallel = None68 69    def finalize_options(self):  # noqa: C90170        if self.plat_name is None:71            self.plat_name = get_platform()72        else:73            # plat-name only supported for windows (other platforms are74            # supported via ./configure flags, if at all).  Avoid misleading75            # other platforms.76            if os.name != 'nt':77                raise DistutilsOptionError(78                    "--plat-name only supported on Windows (try "79                    "using './configure --help' on your platform)"80                )81 82        plat_specifier = f".{self.plat_name}-{sys.implementation.cache_tag}"83 84        # Make it so Python 2.x and Python 2.x with --with-pydebug don't85        # share the same build directories. Doing so confuses the build86        # process for C modules87        if hasattr(sys, 'gettotalrefcount'):88            plat_specifier += '-pydebug'89 90        # 'build_purelib' and 'build_platlib' just default to 'lib' and91        # 'lib.<plat>' under the base build directory.  We only use one of92        # them for a given distribution, though --93        if self.build_purelib is None:94            self.build_purelib = os.path.join(self.build_base, 'lib')95        if self.build_platlib is None:96            self.build_platlib = os.path.join(self.build_base, 'lib' + plat_specifier)97 98        # 'build_lib' is the actual directory that we will use for this99        # particular module distribution -- if user didn't supply it, pick100        # one of 'build_purelib' or 'build_platlib'.101        if self.build_lib is None:102            if self.distribution.has_ext_modules():103                self.build_lib = self.build_platlib104            else:105                self.build_lib = self.build_purelib106 107        # 'build_temp' -- temporary directory for compiler turds,108        # "build/temp.<plat>"109        if self.build_temp is None:110            self.build_temp = os.path.join(self.build_base, 'temp' + plat_specifier)111        if self.build_scripts is None:112            self.build_scripts = os.path.join(113                self.build_base, 'scripts-%d.%d' % sys.version_info[:2]114            )115 116        if self.executable is None and sys.executable:117            self.executable = os.path.normpath(sys.executable)118 119        if isinstance(self.parallel, str):120            try:121                self.parallel = int(self.parallel)122            except ValueError:123                raise DistutilsOptionError("parallel should be an integer")124 125    def run(self):126        # Run all relevant sub-commands.  This will be some subset of:127        #  - build_py      - pure Python modules128        #  - build_clib    - standalone C libraries129        #  - build_ext     - Python extensions130        #  - build_scripts - (Python) scripts131        for cmd_name in self.get_sub_commands():132            self.run_command(cmd_name)133 134    # -- Predicates for the sub-command list ---------------------------135 136    def has_pure_modules(self):137        return self.distribution.has_pure_modules()138 139    def has_c_libraries(self):140        return self.distribution.has_c_libraries()141 142    def has_ext_modules(self):143        return self.distribution.has_ext_modules()144 145    def has_scripts(self):146        return self.distribution.has_scripts()147 148    sub_commands = [149        ('build_py', has_pure_modules),150        ('build_clib', has_c_libraries),151        ('build_ext', has_ext_modules),152        ('build_scripts', has_scripts),153    ]154