mirror of
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c47a459251
has left two versions of customize_compiler, the original in distutils.sysconfig and another copy in distutils.ccompiler, with some parts of distutils calling one and others using the other. Complete the revert back to only having one in distutils.sysconfig as is the case in 3.x.
209 lines
7.9 KiB
Python
209 lines
7.9 KiB
Python
"""distutils.command.build_clib
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Implements the Distutils 'build_clib' command, to build a C/C++ library
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that is included in the module distribution and needed by an extension
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module."""
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__revision__ = "$Id$"
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# XXX this module has *lots* of code ripped-off quite transparently from
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# build_ext.py -- not surprisingly really, as the work required to build
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# a static library from a collection of C source files is not really all
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# that different from what's required to build a shared object file from
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# a collection of C source files. Nevertheless, I haven't done the
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# necessary refactoring to account for the overlap in code between the
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# two modules, mainly because a number of subtle details changed in the
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# cut 'n paste. Sigh.
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import os
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from distutils.core import Command
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from distutils.errors import DistutilsSetupError
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from distutils.sysconfig import customize_compiler
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from distutils import log
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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_clib(Command):
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description = "build C/C++ libraries used by Python extensions"
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user_options = [
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('build-clib=', 'b',
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"directory to build C/C++ libraries to"),
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('build-temp=', 't',
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"directory to put temporary build by-products"),
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('debug', 'g',
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"compile with debugging information"),
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('force', 'f',
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"forcibly build everything (ignore file timestamps)"),
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('compiler=', 'c',
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"specify the compiler type"),
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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,
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"list available compilers", show_compilers),
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]
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def initialize_options(self):
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self.build_clib = None
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self.build_temp = None
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# List of libraries to build
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self.libraries = None
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# Compilation options for all libraries
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self.include_dirs = None
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self.define = None
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self.undef = None
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self.debug = None
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self.force = 0
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self.compiler = None
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def finalize_options(self):
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# This might be confusing: both build-clib and build-temp default
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# to build-temp as defined by the "build" command. This is because
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# I think that C libraries are really just temporary build
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# by-products, at least from the point of view of building Python
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# extensions -- but I want to keep my options open.
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self.set_undefined_options('build',
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('build_temp', 'build_clib'),
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('build_temp', 'build_temp'),
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('compiler', 'compiler'),
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('debug', 'debug'),
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('force', 'force'))
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self.libraries = self.distribution.libraries
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if self.libraries:
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self.check_library_list(self.libraries)
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if self.include_dirs is None:
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self.include_dirs = self.distribution.include_dirs or []
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if isinstance(self.include_dirs, str):
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self.include_dirs = self.include_dirs.split(os.pathsep)
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# XXX same as for build_ext -- what about 'self.define' and
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# 'self.undef' ?
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def run(self):
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if not self.libraries:
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return
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# Yech -- this is cut 'n pasted from build_ext.py!
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from distutils.ccompiler import new_compiler
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self.compiler = new_compiler(compiler=self.compiler,
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dry_run=self.dry_run,
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force=self.force)
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customize_compiler(self.compiler)
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if self.include_dirs is not None:
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self.compiler.set_include_dirs(self.include_dirs)
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if self.define is not None:
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# 'define' option is a list of (name,value) tuples
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for (name,value) in self.define:
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self.compiler.define_macro(name, value)
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if self.undef is not None:
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for macro in self.undef:
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self.compiler.undefine_macro(macro)
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self.build_libraries(self.libraries)
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def check_library_list(self, libraries):
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"""Ensure that the list of libraries is valid.
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`library` is presumably provided as a command option 'libraries'.
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This method checks that it is a list of 2-tuples, where the tuples
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are (library_name, build_info_dict).
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Raise DistutilsSetupError if the structure is invalid anywhere;
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just returns otherwise.
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"""
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if not isinstance(libraries, list):
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raise DistutilsSetupError, \
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"'libraries' option must be a list of tuples"
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for lib in libraries:
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if not isinstance(lib, tuple) and len(lib) != 2:
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raise DistutilsSetupError, \
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"each element of 'libraries' must a 2-tuple"
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name, build_info = lib
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if not isinstance(name, str):
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raise DistutilsSetupError, \
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"first element of each tuple in 'libraries' " + \
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"must be a string (the library name)"
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if '/' in name or (os.sep != '/' and os.sep in name):
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raise DistutilsSetupError, \
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("bad library name '%s': " +
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"may not contain directory separators") % \
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lib[0]
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if not isinstance(build_info, dict):
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raise DistutilsSetupError, \
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"second element of each tuple in 'libraries' " + \
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"must be a dictionary (build info)"
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def get_library_names(self):
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# Assume the library list is valid -- 'check_library_list()' is
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# called from 'finalize_options()', so it should be!
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if not self.libraries:
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return None
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lib_names = []
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for (lib_name, build_info) in self.libraries:
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lib_names.append(lib_name)
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return lib_names
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def get_source_files(self):
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self.check_library_list(self.libraries)
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filenames = []
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for (lib_name, build_info) in self.libraries:
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sources = build_info.get('sources')
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if sources is None or not isinstance(sources, (list, tuple)):
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raise DistutilsSetupError, \
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("in 'libraries' option (library '%s'), "
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"'sources' must be present and must be "
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"a list of source filenames") % lib_name
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filenames.extend(sources)
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return filenames
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def build_libraries(self, libraries):
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for (lib_name, build_info) in libraries:
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sources = build_info.get('sources')
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if sources is None or not isinstance(sources, (list, tuple)):
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raise DistutilsSetupError, \
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("in 'libraries' option (library '%s'), " +
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"'sources' must be present and must be " +
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"a list of source filenames") % lib_name
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sources = list(sources)
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log.info("building '%s' library", lib_name)
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# First, compile the source code to object files in the library
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# directory. (This should probably change to putting object
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# files in a temporary build directory.)
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macros = build_info.get('macros')
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include_dirs = build_info.get('include_dirs')
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objects = self.compiler.compile(sources,
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output_dir=self.build_temp,
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macros=macros,
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include_dirs=include_dirs,
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debug=self.debug)
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# Now "link" the object files together into a static library.
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# (On Unix at least, this isn't really linking -- it just
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# builds an archive. Whatever.)
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self.compiler.create_static_lib(objects, lib_name,
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output_dir=self.build_clib,
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debug=self.debug)
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