| from distutils.command.build_ext import build_ext as _du_build_ext |
| try: |
| # Attempt to use Pyrex for building extensions, if available |
| from Pyrex.Distutils.build_ext import build_ext as _build_ext |
| except ImportError: |
| _build_ext = _du_build_ext |
| |
| import os, sys |
| from distutils.file_util import copy_file |
| |
| from distutils.tests.setuptools_extension import Library |
| |
| from distutils.ccompiler import new_compiler |
| from distutils.sysconfig import customize_compiler, get_config_var |
| get_config_var("LDSHARED") # make sure _config_vars is initialized |
| from distutils.sysconfig import _config_vars |
| from distutils import log |
| from distutils.errors import * |
| |
| have_rtld = False |
| use_stubs = False |
| libtype = 'shared' |
| |
| if sys.platform == "darwin": |
| use_stubs = True |
| elif os.name != 'nt': |
| try: |
| from dl import RTLD_NOW |
| have_rtld = True |
| use_stubs = True |
| except ImportError: |
| pass |
| |
| def if_dl(s): |
| if have_rtld: |
| return s |
| return '' |
| |
| |
| |
| |
| |
| |
| class build_ext(_build_ext): |
| def run(self): |
| """Build extensions in build directory, then copy if --inplace""" |
| old_inplace, self.inplace = self.inplace, 0 |
| _build_ext.run(self) |
| self.inplace = old_inplace |
| if old_inplace: |
| self.copy_extensions_to_source() |
| |
| def copy_extensions_to_source(self): |
| build_py = self.get_finalized_command('build_py') |
| for ext in self.extensions: |
| fullname = self.get_ext_fullname(ext.name) |
| filename = self.get_ext_filename(fullname) |
| modpath = fullname.split('.') |
| package = '.'.join(modpath[:-1]) |
| package_dir = build_py.get_package_dir(package) |
| dest_filename = os.path.join(package_dir,os.path.basename(filename)) |
| src_filename = os.path.join(self.build_lib,filename) |
| |
| # Always copy, even if source is older than destination, to ensure |
| # that the right extensions for the current Python/platform are |
| # used. |
| copy_file( |
| src_filename, dest_filename, verbose=self.verbose, |
| dry_run=self.dry_run |
| ) |
| if ext._needs_stub: |
| self.write_stub(package_dir or os.curdir, ext, True) |
| |
| |
| if _build_ext is not _du_build_ext and not hasattr(_build_ext,'pyrex_sources'): |
| # Workaround for problems using some Pyrex versions w/SWIG and/or 2.4 |
| def swig_sources(self, sources, *otherargs): |
| # first do any Pyrex processing |
| sources = _build_ext.swig_sources(self, sources) or sources |
| # Then do any actual SWIG stuff on the remainder |
| return _du_build_ext.swig_sources(self, sources, *otherargs) |
| |
| |
| |
| def get_ext_filename(self, fullname): |
| filename = _build_ext.get_ext_filename(self,fullname) |
| ext = self.ext_map[fullname] |
| if isinstance(ext,Library): |
| fn, ext = os.path.splitext(filename) |
| return self.shlib_compiler.library_filename(fn,libtype) |
| elif use_stubs and ext._links_to_dynamic: |
| d,fn = os.path.split(filename) |
| return os.path.join(d,'dl-'+fn) |
| else: |
| return filename |
| |
| def initialize_options(self): |
| _build_ext.initialize_options(self) |
| self.shlib_compiler = None |
| self.shlibs = [] |
| self.ext_map = {} |
| |
| def finalize_options(self): |
| _build_ext.finalize_options(self) |
| self.extensions = self.extensions or [] |
| self.check_extensions_list(self.extensions) |
| self.shlibs = [ext for ext in self.extensions |
| if isinstance(ext,Library)] |
| if self.shlibs: |
| self.setup_shlib_compiler() |
| for ext in self.extensions: |
| ext._full_name = self.get_ext_fullname(ext.name) |
| for ext in self.extensions: |
| fullname = ext._full_name |
| self.ext_map[fullname] = ext |
| ltd = ext._links_to_dynamic = \ |
| self.shlibs and self.links_to_dynamic(ext) or False |
| ext._needs_stub = ltd and use_stubs and not isinstance(ext,Library) |
| filename = ext._file_name = self.get_ext_filename(fullname) |
| libdir = os.path.dirname(os.path.join(self.build_lib,filename)) |
| if ltd and libdir not in ext.library_dirs: |
| ext.library_dirs.append(libdir) |
| if ltd and use_stubs and os.curdir not in ext.runtime_library_dirs: |
| ext.runtime_library_dirs.append(os.curdir) |
| |
| def setup_shlib_compiler(self): |
| compiler = self.shlib_compiler = new_compiler( |
| compiler=self.compiler, dry_run=self.dry_run, force=self.force |
| ) |
| if sys.platform == "darwin": |
| tmp = _config_vars.copy() |
| try: |
| # XXX Help! I don't have any idea whether these are right... |
| _config_vars['LDSHARED'] = "gcc -Wl,-x -dynamiclib -undefined dynamic_lookup" |
| _config_vars['CCSHARED'] = " -dynamiclib" |
| _config_vars['SO'] = ".dylib" |
| customize_compiler(compiler) |
| finally: |
| _config_vars.clear() |
| _config_vars.update(tmp) |
| else: |
| customize_compiler(compiler) |
| |
| if self.include_dirs is not None: |
| compiler.set_include_dirs(self.include_dirs) |
| if self.define is not None: |
| # 'define' option is a list of (name,value) tuples |
| for (name,value) in self.define: |
| compiler.define_macro(name, value) |
| if self.undef is not None: |
| for macro in self.undef: |
| compiler.undefine_macro(macro) |
| if self.libraries is not None: |
| compiler.set_libraries(self.libraries) |
| if self.library_dirs is not None: |
| compiler.set_library_dirs(self.library_dirs) |
| if self.rpath is not None: |
| compiler.set_runtime_library_dirs(self.rpath) |
| if self.link_objects is not None: |
| compiler.set_link_objects(self.link_objects) |
| |
| # hack so distutils' build_extension() builds a library instead |
| compiler.link_shared_object = link_shared_object.__get__(compiler) |
| |
| |
| |
| def get_export_symbols(self, ext): |
| if isinstance(ext,Library): |
| return ext.export_symbols |
| return _build_ext.get_export_symbols(self,ext) |
| |
| def build_extension(self, ext): |
| _compiler = self.compiler |
| try: |
| if isinstance(ext,Library): |
| self.compiler = self.shlib_compiler |
| _build_ext.build_extension(self,ext) |
| if ext._needs_stub: |
| self.write_stub( |
| self.get_finalized_command('build_py').build_lib, ext |
| ) |
| finally: |
| self.compiler = _compiler |
| |
| def links_to_dynamic(self, ext): |
| """Return true if 'ext' links to a dynamic lib in the same package""" |
| # XXX this should check to ensure the lib is actually being built |
| # XXX as dynamic, and not just using a locally-found version or a |
| # XXX static-compiled version |
| libnames = dict.fromkeys([lib._full_name for lib in self.shlibs]) |
| pkg = '.'.join(ext._full_name.split('.')[:-1]+['']) |
| for libname in ext.libraries: |
| if pkg+libname in libnames: return True |
| return False |
| |
| def get_outputs(self): |
| outputs = _build_ext.get_outputs(self) |
| optimize = self.get_finalized_command('build_py').optimize |
| for ext in self.extensions: |
| if ext._needs_stub: |
| base = os.path.join(self.build_lib, *ext._full_name.split('.')) |
| outputs.append(base+'.py') |
| outputs.append(base+'.pyc') |
| if optimize: |
| outputs.append(base+'.pyo') |
| return outputs |
| |
| def write_stub(self, output_dir, ext, compile=False): |
| log.info("writing stub loader for %s to %s",ext._full_name, output_dir) |
| stub_file = os.path.join(output_dir, *ext._full_name.split('.'))+'.py' |
| if compile and os.path.exists(stub_file): |
| raise DistutilsError(stub_file+" already exists! Please delete.") |
| if not self.dry_run: |
| f = open(stub_file,'w') |
| f.write('\n'.join([ |
| "def __bootstrap__():", |
| " global __bootstrap__, __file__, __loader__", |
| " import sys, os, pkg_resources, imp"+if_dl(", dl"), |
| " __file__ = pkg_resources.resource_filename(__name__,%r)" |
| % os.path.basename(ext._file_name), |
| " del __bootstrap__", |
| " if '__loader__' in globals():", |
| " del __loader__", |
| if_dl(" old_flags = sys.getdlopenflags()"), |
| " old_dir = os.getcwd()", |
| " try:", |
| " os.chdir(os.path.dirname(__file__))", |
| if_dl(" sys.setdlopenflags(dl.RTLD_NOW)"), |
| " imp.load_dynamic(__name__,__file__)", |
| " finally:", |
| if_dl(" sys.setdlopenflags(old_flags)"), |
| " os.chdir(old_dir)", |
| "__bootstrap__()", |
| "" # terminal \n |
| ])) |
| f.close() |
| if compile: |
| from distutils.util import byte_compile |
| byte_compile([stub_file], optimize=0, |
| force=True, dry_run=self.dry_run) |
| optimize = self.get_finalized_command('install_lib').optimize |
| if optimize > 0: |
| byte_compile([stub_file], optimize=optimize, |
| force=True, dry_run=self.dry_run) |
| if os.path.exists(stub_file) and not self.dry_run: |
| os.unlink(stub_file) |
| |
| |
| if use_stubs or os.name=='nt': |
| # Build shared libraries |
| # |
| def link_shared_object(self, objects, output_libname, output_dir=None, |
| libraries=None, library_dirs=None, runtime_library_dirs=None, |
| export_symbols=None, debug=0, extra_preargs=None, |
| extra_postargs=None, build_temp=None, target_lang=None |
| ): self.link( |
| self.SHARED_LIBRARY, objects, output_libname, |
| output_dir, libraries, library_dirs, runtime_library_dirs, |
| export_symbols, debug, extra_preargs, extra_postargs, |
| build_temp, target_lang |
| ) |
| else: |
| # Build static libraries everywhere else |
| libtype = 'static' |
| |
| def link_shared_object(self, objects, output_libname, output_dir=None, |
| libraries=None, library_dirs=None, runtime_library_dirs=None, |
| export_symbols=None, debug=0, extra_preargs=None, |
| extra_postargs=None, build_temp=None, target_lang=None |
| ): |
| # XXX we need to either disallow these attrs on Library instances, |
| # or warn/abort here if set, or something... |
| #libraries=None, library_dirs=None, runtime_library_dirs=None, |
| #export_symbols=None, extra_preargs=None, extra_postargs=None, |
| #build_temp=None |
| |
| assert output_dir is None # distutils build_ext doesn't pass this |
| output_dir,filename = os.path.split(output_libname) |
| basename, ext = os.path.splitext(filename) |
| if self.library_filename("x").startswith('lib'): |
| # strip 'lib' prefix; this is kludgy if some platform uses |
| # a different prefix |
| basename = basename[3:] |
| |
| self.create_static_lib( |
| objects, basename, output_dir, debug, target_lang |
| ) |
