setup.py 文件源码

def finalize_options(self):
        """Set final values for all build_pg options."""
        build_ext.finalize_options(self)
        if self.direct_access:
            define_macros.append(('DIRECT_ACCESS', None))
        if self.large_objects:
            define_macros.append(('LARGE_OBJECTS', None))
        if self.default_vars:
            define_macros.append(('DEFAULT_VARS', None))
        if self.escaping_funcs and pg_version[0] >= 9:
            define_macros.append(('ESCAPING_FUNCS', None))
        if sys.platform == 'win32':
            bits = platform.architecture()[0]
            if bits == '64bit':  # we need to find libpq64
                for path in os.environ['PATH'].split(os.pathsep) + [
                        r'C:\Program Files\PostgreSQL\libpq64']:
                    library_dir = os.path.join(path, 'lib')
                    if not os.path.isdir(library_dir):
                        continue
                    lib = os.path.join(library_dir, 'libpqdll.')
                    if not (os.path.exists(lib + 'lib')
                            or os.path.exists(lib + 'a')):
                        continue
                    include_dir = os.path.join(path, 'include')
                    if not os.path.isdir(include_dir):
                        continue
                    if library_dir not in library_dirs:
                        library_dirs.insert(1, library_dir)
                    if include_dir not in include_dirs:
                        include_dirs.insert(1, include_dir)
                    libraries[0] += 'dll'  # libpqdll instead of libpq
                    break
            compiler = self.get_compiler()
            if compiler == 'mingw32':  # MinGW
                if bits == '64bit':  # needs MinGW-w64
                    define_macros.append(('MS_WIN64', None))
            elif compiler == 'msvc':  # Microsoft Visual C++
                libraries[0] = 'lib' + libraries[0]
                extra_compile_args[1:] = ['-J', '-W3', '-WX']