"""distutils.command.build Implements the Distutils 'build' command.""" # This module should be kept compatible with Python 2.1. __revision__ = "$Id: build.py 37828 2004-11-10 22:23:15Z loewis $" import sys, osfrom distutils.core import Commandfrom 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)"),        ('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.debug = None        self.force = 0        self.executable = None     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])         if self.executable is None:            self.executable = os.path.normpath(sys.executable)    # 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