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Diffstat (limited to 'env/lib/python3.10/site-packages/setuptools/_distutils/command/build_ext.py')
| -rw-r--r-- | env/lib/python3.10/site-packages/setuptools/_distutils/command/build_ext.py | 780 |
1 files changed, 0 insertions, 780 deletions
diff --git a/env/lib/python3.10/site-packages/setuptools/_distutils/command/build_ext.py b/env/lib/python3.10/site-packages/setuptools/_distutils/command/build_ext.py deleted file mode 100644 index 1a6dd39..0000000 --- a/env/lib/python3.10/site-packages/setuptools/_distutils/command/build_ext.py +++ /dev/null @@ -1,780 +0,0 @@ -"""distutils.command.build_ext - -Implements the Distutils 'build_ext' command, for building extension -modules (currently limited to C extensions, should accommodate C++ -extensions ASAP).""" - -import contextlib -import os -import re -import sys -from distutils.core import Command -from distutils.errors import * -from distutils.sysconfig import customize_compiler, get_python_version -from distutils.sysconfig import get_config_h_filename -from distutils.dep_util import newer_group -from distutils.extension import Extension -from distutils.util import get_platform -from distutils import log -from . import py37compat - -from site import USER_BASE - -# An extension name is just a dot-separated list of Python NAMEs (ie. -# the same as a fully-qualified module name). -extension_name_re = re.compile(r'^[a-zA-Z_][a-zA-Z_0-9]*(\.[a-zA-Z_][a-zA-Z_0-9]*)*$') - - -def show_compilers(): - from distutils.ccompiler import show_compilers - - show_compilers() - - -class build_ext(Command): - - description = "build C/C++ extensions (compile/link to build directory)" - - # XXX thoughts on how to deal with complex command-line options like - # these, i.e. how to make it so fancy_getopt can suck them off the - # command line and make it look like setup.py defined the appropriate - # lists of tuples of what-have-you. - # - each command needs a callback to process its command-line options - # - Command.__init__() needs access to its share of the whole - # command line (must ultimately come from - # Distribution.parse_command_line()) - # - it then calls the current command class' option-parsing - # callback to deal with weird options like -D, which have to - # parse the option text and churn out some custom data - # structure - # - that data structure (in this case, a list of 2-tuples) - # will then be present in the command object by the time - # we get to finalize_options() (i.e. the constructor - # takes care of both command-line and client options - # in between initialize_options() and finalize_options()) - - sep_by = " (separated by '%s')" % os.pathsep - user_options = [ - ('build-lib=', 'b', "directory for compiled extension modules"), - ('build-temp=', 't', "directory for temporary files (build by-products)"), - ( - 'plat-name=', - 'p', - "platform name to cross-compile for, if supported " - "(default: %s)" % get_platform(), - ), - ( - 'inplace', - 'i', - "ignore build-lib and put compiled extensions into the source " - + "directory alongside your pure Python modules", - ), - ( - 'include-dirs=', - 'I', - "list of directories to search for header files" + sep_by, - ), - ('define=', 'D', "C preprocessor macros to define"), - ('undef=', 'U', "C preprocessor macros to undefine"), - ('libraries=', 'l', "external C libraries to link with"), - ( - 'library-dirs=', - 'L', - "directories to search for external C libraries" + sep_by, - ), - ('rpath=', 'R', "directories to search for shared C libraries at runtime"), - ('link-objects=', 'O', "extra explicit link objects to include in the link"), - ('debug', 'g', "compile/link with debugging information"), - ('force', 'f', "forcibly build everything (ignore file timestamps)"), - ('compiler=', 'c', "specify the compiler type"), - ('parallel=', 'j', "number of parallel build jobs"), - ('swig-cpp', None, "make SWIG create C++ files (default is C)"), - ('swig-opts=', None, "list of SWIG command line options"), - ('swig=', None, "path to the SWIG executable"), - ('user', None, "add user include, library and rpath"), - ] - - boolean_options = ['inplace', 'debug', 'force', 'swig-cpp', 'user'] - - help_options = [ - ('help-compiler', None, "list available compilers", show_compilers), - ] - - def initialize_options(self): - self.extensions = None - self.build_lib = None - self.plat_name = None - self.build_temp = None - self.inplace = 0 - self.package = None - - self.include_dirs = None - self.define = None - self.undef = None - self.libraries = None - self.library_dirs = None - self.rpath = None - self.link_objects = None - self.debug = None - self.force = None - self.compiler = None - self.swig = None - self.swig_cpp = None - self.swig_opts = None - self.user = None - self.parallel = None - - def finalize_options(self): - from distutils import sysconfig - - self.set_undefined_options( - 'build', - ('build_lib', 'build_lib'), - ('build_temp', 'build_temp'), - ('compiler', 'compiler'), - ('debug', 'debug'), - ('force', 'force'), - ('parallel', 'parallel'), - ('plat_name', 'plat_name'), - ) - - if self.package is None: - self.package = self.distribution.ext_package - - self.extensions = self.distribution.ext_modules - - # Make sure Python's include directories (for Python.h, pyconfig.h, - # etc.) are in the include search path. - py_include = sysconfig.get_python_inc() - plat_py_include = sysconfig.get_python_inc(plat_specific=1) - if self.include_dirs is None: - self.include_dirs = self.distribution.include_dirs or [] - if isinstance(self.include_dirs, str): - self.include_dirs = self.include_dirs.split(os.pathsep) - - # If in a virtualenv, add its include directory - # Issue 16116 - if sys.exec_prefix != sys.base_exec_prefix: - self.include_dirs.append(os.path.join(sys.exec_prefix, 'include')) - - # Put the Python "system" include dir at the end, so that - # any local include dirs take precedence. - self.include_dirs.extend(py_include.split(os.path.pathsep)) - if plat_py_include != py_include: - self.include_dirs.extend(plat_py_include.split(os.path.pathsep)) - - self.ensure_string_list('libraries') - self.ensure_string_list('link_objects') - - # Life is easier if we're not forever checking for None, so - # simplify these options to empty lists if unset - if self.libraries is None: - self.libraries = [] - if self.library_dirs is None: - self.library_dirs = [] - elif isinstance(self.library_dirs, str): - self.library_dirs = self.library_dirs.split(os.pathsep) - - if self.rpath is None: - self.rpath = [] - elif isinstance(self.rpath, str): - self.rpath = self.rpath.split(os.pathsep) - - # for extensions under windows use different directories - # for Release and Debug builds. - # also Python's library directory must be appended to library_dirs - if os.name == 'nt': - # the 'libs' directory is for binary installs - we assume that - # must be the *native* platform. But we don't really support - # cross-compiling via a binary install anyway, so we let it go. - self.library_dirs.append(os.path.join(sys.exec_prefix, 'libs')) - if sys.base_exec_prefix != sys.prefix: # Issue 16116 - self.library_dirs.append(os.path.join(sys.base_exec_prefix, 'libs')) - if self.debug: - self.build_temp = os.path.join(self.build_temp, "Debug") - else: - self.build_temp = os.path.join(self.build_temp, "Release") - - # Append the source distribution include and library directories, - # this allows distutils on windows to work in the source tree - self.include_dirs.append(os.path.dirname(get_config_h_filename())) - self.library_dirs.append(sys.base_exec_prefix) - - # Use the .lib files for the correct architecture - if self.plat_name == 'win32': - suffix = 'win32' - else: - # win-amd64 - suffix = self.plat_name[4:] - new_lib = os.path.join(sys.exec_prefix, 'PCbuild') - if suffix: - new_lib = os.path.join(new_lib, suffix) - self.library_dirs.append(new_lib) - - # For extensions under Cygwin, Python's library directory must be - # appended to library_dirs - if sys.platform[:6] == 'cygwin': - if not sysconfig.python_build: - # building third party extensions - self.library_dirs.append( - os.path.join( - sys.prefix, "lib", "python" + get_python_version(), "config" - ) - ) - else: - # building python standard extensions - self.library_dirs.append('.') - - # For building extensions with a shared Python library, - # Python's library directory must be appended to library_dirs - # See Issues: #1600860, #4366 - if sysconfig.get_config_var('Py_ENABLE_SHARED'): - if not sysconfig.python_build: - # building third party extensions - self.library_dirs.append(sysconfig.get_config_var('LIBDIR')) - else: - # building python standard extensions - self.library_dirs.append('.') - - # The argument parsing will result in self.define being a string, but - # it has to be a list of 2-tuples. All the preprocessor symbols - # specified by the 'define' option will be set to '1'. Multiple - # symbols can be separated with commas. - - if self.define: - defines = self.define.split(',') - self.define = [(symbol, '1') for symbol in defines] - - # The option for macros to undefine is also a string from the - # option parsing, but has to be a list. Multiple symbols can also - # be separated with commas here. - if self.undef: - self.undef = self.undef.split(',') - - if self.swig_opts is None: - self.swig_opts = [] - else: - self.swig_opts = self.swig_opts.split(' ') - - # Finally add the user include and library directories if requested - if self.user: - user_include = os.path.join(USER_BASE, "include") - user_lib = os.path.join(USER_BASE, "lib") - if os.path.isdir(user_include): - self.include_dirs.append(user_include) - if os.path.isdir(user_lib): - self.library_dirs.append(user_lib) - self.rpath.append(user_lib) - - if isinstance(self.parallel, str): - try: - self.parallel = int(self.parallel) - except ValueError: - raise DistutilsOptionError("parallel should be an integer") - - def run(self): - from distutils.ccompiler import new_compiler - - # 'self.extensions', as supplied by setup.py, is a list of - # Extension instances. See the documentation for Extension (in - # distutils.extension) for details. - # - # For backwards compatibility with Distutils 0.8.2 and earlier, we - # also allow the 'extensions' list to be a list of tuples: - # (ext_name, build_info) - # where build_info is a dictionary containing everything that - # Extension instances do except the name, with a few things being - # differently named. We convert these 2-tuples to Extension - # instances as needed. - - if not self.extensions: - return - - # If we were asked to build any C/C++ libraries, make sure that the - # directory where we put them is in the library search path for - # linking extensions. - if self.distribution.has_c_libraries(): - build_clib = self.get_finalized_command('build_clib') - self.libraries.extend(build_clib.get_library_names() or []) - self.library_dirs.append(build_clib.build_clib) - - # Setup the CCompiler object that we'll use to do all the - # compiling and linking - self.compiler = new_compiler( - compiler=self.compiler, - verbose=self.verbose, - dry_run=self.dry_run, - force=self.force, - ) - customize_compiler(self.compiler) - # If we are cross-compiling, init the compiler now (if we are not - # cross-compiling, init would not hurt, but people may rely on - # late initialization of compiler even if they shouldn't...) - if os.name == 'nt' and self.plat_name != get_platform(): - self.compiler.initialize(self.plat_name) - - # And make sure that any compile/link-related options (which might - # come from the command-line or from the setup script) are set in - # that CCompiler object -- that way, they automatically apply to - # all compiling and linking done here. - if self.include_dirs is not None: - self.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: - self.compiler.define_macro(name, value) - if self.undef is not None: - for macro in self.undef: - self.compiler.undefine_macro(macro) - if self.libraries is not None: - self.compiler.set_libraries(self.libraries) - if self.library_dirs is not None: - self.compiler.set_library_dirs(self.library_dirs) - if self.rpath is not None: - self.compiler.set_runtime_library_dirs(self.rpath) - if self.link_objects is not None: - self.compiler.set_link_objects(self.link_objects) - - # Now actually compile and link everything. - self.build_extensions() - - def check_extensions_list(self, extensions): - """Ensure that the list of extensions (presumably provided as a - command option 'extensions') is valid, i.e. it is a list of - Extension objects. We also support the old-style list of 2-tuples, - where the tuples are (ext_name, build_info), which are converted to - Extension instances here. - - Raise DistutilsSetupError if the structure is invalid anywhere; - just returns otherwise. - """ - if not isinstance(extensions, list): - raise DistutilsSetupError( - "'ext_modules' option must be a list of Extension instances" - ) - - for i, ext in enumerate(extensions): - if isinstance(ext, Extension): - continue # OK! (assume type-checking done - # by Extension constructor) - - if not isinstance(ext, tuple) or len(ext) != 2: - raise DistutilsSetupError( - "each element of 'ext_modules' option must be an " - "Extension instance or 2-tuple" - ) - - ext_name, build_info = ext - - log.warn( - "old-style (ext_name, build_info) tuple found in " - "ext_modules for extension '%s' " - "-- please convert to Extension instance", - ext_name, - ) - - if not (isinstance(ext_name, str) and extension_name_re.match(ext_name)): - raise DistutilsSetupError( - "first element of each tuple in 'ext_modules' " - "must be the extension name (a string)" - ) - - if not isinstance(build_info, dict): - raise DistutilsSetupError( - "second element of each tuple in 'ext_modules' " - "must be a dictionary (build info)" - ) - - # OK, the (ext_name, build_info) dict is type-safe: convert it - # to an Extension instance. - ext = Extension(ext_name, build_info['sources']) - - # Easy stuff: one-to-one mapping from dict elements to - # instance attributes. - for key in ( - 'include_dirs', - 'library_dirs', - 'libraries', - 'extra_objects', - 'extra_compile_args', - 'extra_link_args', - ): - val = build_info.get(key) - if val is not None: - setattr(ext, key, val) - - # Medium-easy stuff: same syntax/semantics, different names. - ext.runtime_library_dirs = build_info.get('rpath') - if 'def_file' in build_info: - log.warn("'def_file' element of build info dict " "no longer supported") - - # Non-trivial stuff: 'macros' split into 'define_macros' - # and 'undef_macros'. - macros = build_info.get('macros') - if macros: - ext.define_macros = [] - ext.undef_macros = [] - for macro in macros: - if not (isinstance(macro, tuple) and len(macro) in (1, 2)): - raise DistutilsSetupError( - "'macros' element of build info dict " - "must be 1- or 2-tuple" - ) - if len(macro) == 1: - ext.undef_macros.append(macro[0]) - elif len(macro) == 2: - ext.define_macros.append(macro) - - extensions[i] = ext - - def get_source_files(self): - self.check_extensions_list(self.extensions) - filenames = [] - - # Wouldn't it be neat if we knew the names of header files too... - for ext in self.extensions: - filenames.extend(ext.sources) - return filenames - - def get_outputs(self): - # Sanity check the 'extensions' list -- can't assume this is being - # done in the same run as a 'build_extensions()' call (in fact, we - # can probably assume that it *isn't*!). - self.check_extensions_list(self.extensions) - - # And build the list of output (built) filenames. Note that this - # ignores the 'inplace' flag, and assumes everything goes in the - # "build" tree. - outputs = [] - for ext in self.extensions: - outputs.append(self.get_ext_fullpath(ext.name)) - return outputs - - def build_extensions(self): - # First, sanity-check the 'extensions' list - self.check_extensions_list(self.extensions) - if self.parallel: - self._build_extensions_parallel() - else: - self._build_extensions_serial() - - def _build_extensions_parallel(self): - workers = self.parallel - if self.parallel is True: - workers = os.cpu_count() # may return None - try: - from concurrent.futures import ThreadPoolExecutor - except ImportError: - workers = None - - if workers is None: - self._build_extensions_serial() - return - - with ThreadPoolExecutor(max_workers=workers) as executor: - futures = [ - executor.submit(self.build_extension, ext) for ext in self.extensions - ] - for ext, fut in zip(self.extensions, futures): - with self._filter_build_errors(ext): - fut.result() - - def _build_extensions_serial(self): - for ext in self.extensions: - with self._filter_build_errors(ext): - self.build_extension(ext) - - @contextlib.contextmanager - def _filter_build_errors(self, ext): - try: - yield - except (CCompilerError, DistutilsError, CompileError) as e: - if not ext.optional: - raise - self.warn('building extension "%s" failed: %s' % (ext.name, e)) - - def build_extension(self, ext): - sources = ext.sources - if sources is None or not isinstance(sources, (list, tuple)): - raise DistutilsSetupError( - "in 'ext_modules' option (extension '%s'), " - "'sources' must be present and must be " - "a list of source filenames" % ext.name - ) - # sort to make the resulting .so file build reproducible - sources = sorted(sources) - - ext_path = self.get_ext_fullpath(ext.name) - depends = sources + ext.depends - if not (self.force or newer_group(depends, ext_path, 'newer')): - log.debug("skipping '%s' extension (up-to-date)", ext.name) - return - else: - log.info("building '%s' extension", ext.name) - - # First, scan the sources for SWIG definition files (.i), run - # SWIG on 'em to create .c files, and modify the sources list - # accordingly. - sources = self.swig_sources(sources, ext) - - # Next, compile the source code to object files. - - # XXX not honouring 'define_macros' or 'undef_macros' -- the - # CCompiler API needs to change to accommodate this, and I - # want to do one thing at a time! - - # Two possible sources for extra compiler arguments: - # - 'extra_compile_args' in Extension object - # - CFLAGS environment variable (not particularly - # elegant, but people seem to expect it and I - # guess it's useful) - # The environment variable should take precedence, and - # any sensible compiler will give precedence to later - # command line args. Hence we combine them in order: - extra_args = ext.extra_compile_args or [] - - macros = ext.define_macros[:] - for undef in ext.undef_macros: - macros.append((undef,)) - - objects = self.compiler.compile( - sources, - output_dir=self.build_temp, - macros=macros, - include_dirs=ext.include_dirs, - debug=self.debug, - extra_postargs=extra_args, - depends=ext.depends, - ) - - # XXX outdated variable, kept here in case third-part code - # needs it. - self._built_objects = objects[:] - - # Now link the object files together into a "shared object" -- - # of course, first we have to figure out all the other things - # that go into the mix. - if ext.extra_objects: - objects.extend(ext.extra_objects) - extra_args = ext.extra_link_args or [] - - # Detect target language, if not provided - language = ext.language or self.compiler.detect_language(sources) - - self.compiler.link_shared_object( - objects, - ext_path, - libraries=self.get_libraries(ext), - library_dirs=ext.library_dirs, - runtime_library_dirs=ext.runtime_library_dirs, - extra_postargs=extra_args, - export_symbols=self.get_export_symbols(ext), - debug=self.debug, - build_temp=self.build_temp, - target_lang=language, - ) - - def swig_sources(self, sources, extension): - """Walk the list of source files in 'sources', looking for SWIG - interface (.i) files. Run SWIG on all that are found, and - return a modified 'sources' list with SWIG source files replaced - by the generated C (or C++) files. - """ - new_sources = [] - swig_sources = [] - swig_targets = {} - - # XXX this drops generated C/C++ files into the source tree, which - # is fine for developers who want to distribute the generated - # source -- but there should be an option to put SWIG output in - # the temp dir. - - if self.swig_cpp: - log.warn("--swig-cpp is deprecated - use --swig-opts=-c++") - - if ( - self.swig_cpp - or ('-c++' in self.swig_opts) - or ('-c++' in extension.swig_opts) - ): - target_ext = '.cpp' - else: - target_ext = '.c' - - for source in sources: - (base, ext) = os.path.splitext(source) - if ext == ".i": # SWIG interface file - new_sources.append(base + '_wrap' + target_ext) - swig_sources.append(source) - swig_targets[source] = new_sources[-1] - else: - new_sources.append(source) - - if not swig_sources: - return new_sources - - swig = self.swig or self.find_swig() - swig_cmd = [swig, "-python"] - swig_cmd.extend(self.swig_opts) - if self.swig_cpp: - swig_cmd.append("-c++") - - # Do not override commandline arguments - if not self.swig_opts: - for o in extension.swig_opts: - swig_cmd.append(o) - - for source in swig_sources: - target = swig_targets[source] - log.info("swigging %s to %s", source, target) - self.spawn(swig_cmd + ["-o", target, source]) - - return new_sources - - def find_swig(self): - """Return the name of the SWIG executable. On Unix, this is - just "swig" -- it should be in the PATH. Tries a bit harder on - Windows. - """ - if os.name == "posix": - return "swig" - elif os.name == "nt": - # Look for SWIG in its standard installation directory on - # Windows (or so I presume!). If we find it there, great; - # if not, act like Unix and assume it's in the PATH. - for vers in ("1.3", "1.2", "1.1"): - fn = os.path.join("c:\\swig%s" % vers, "swig.exe") - if os.path.isfile(fn): - return fn - else: - return "swig.exe" - else: - raise DistutilsPlatformError( - "I don't know how to find (much less run) SWIG " - "on platform '%s'" % os.name - ) - - # -- Name generators ----------------------------------------------- - # (extension names, filenames, whatever) - def get_ext_fullpath(self, ext_name): - """Returns the path of the filename for a given extension. - - The file is located in `build_lib` or directly in the package - (inplace option). - """ - fullname = self.get_ext_fullname(ext_name) - modpath = fullname.split('.') - filename = self.get_ext_filename(modpath[-1]) - - if not self.inplace: - # no further work needed - # returning : - # build_dir/package/path/filename - filename = os.path.join(*modpath[:-1] + [filename]) - return os.path.join(self.build_lib, filename) - - # the inplace option requires to find the package directory - # using the build_py command for that - package = '.'.join(modpath[0:-1]) - build_py = self.get_finalized_command('build_py') - package_dir = os.path.abspath(build_py.get_package_dir(package)) - - # returning - # package_dir/filename - return os.path.join(package_dir, filename) - - def get_ext_fullname(self, ext_name): - """Returns the fullname of a given extension name. - - Adds the `package.` prefix""" - if self.package is None: - return ext_name - else: - return self.package + '.' + ext_name - - def get_ext_filename(self, ext_name): - r"""Convert the name of an extension (eg. "foo.bar") into the name - of the file from which it will be loaded (eg. "foo/bar.so", or - "foo\bar.pyd"). - """ - from distutils.sysconfig import get_config_var - - ext_path = ext_name.split('.') - ext_suffix = get_config_var('EXT_SUFFIX') - return os.path.join(*ext_path) + ext_suffix - - def get_export_symbols(self, ext): - """Return the list of symbols that a shared extension has to - export. This either uses 'ext.export_symbols' or, if it's not - provided, "PyInit_" + module_name. Only relevant on Windows, where - the .pyd file (DLL) must export the module "PyInit_" function. - """ - name = ext.name.split('.')[-1] - try: - # Unicode module name support as defined in PEP-489 - # https://www.python.org/dev/peps/pep-0489/#export-hook-name - name.encode('ascii') - except UnicodeEncodeError: - suffix = 'U_' + name.encode('punycode').replace(b'-', b'_').decode('ascii') - else: - suffix = "_" + name - - initfunc_name = "PyInit" + suffix - if initfunc_name not in ext.export_symbols: - ext.export_symbols.append(initfunc_name) - return ext.export_symbols - - def get_libraries(self, ext): - """Return the list of libraries to link against when building a - shared extension. On most platforms, this is just 'ext.libraries'; - on Windows, we add the Python library (eg. python20.dll). - """ - # The python library is always needed on Windows. For MSVC, this - # is redundant, since the library is mentioned in a pragma in - # pyconfig.h that MSVC groks. The other Windows compilers all seem - # to need it mentioned explicitly, though, so that's what we do. - # Append '_d' to the python import library on debug builds. - if sys.platform == "win32": - from distutils._msvccompiler import MSVCCompiler - - if not isinstance(self.compiler, MSVCCompiler): - template = "python%d%d" - if self.debug: - template = template + '_d' - pythonlib = template % ( - sys.hexversion >> 24, - (sys.hexversion >> 16) & 0xFF, - ) - # don't extend ext.libraries, it may be shared with other - # extensions, it is a reference to the original list - return ext.libraries + [pythonlib] - else: - # On Android only the main executable and LD_PRELOADs are considered - # to be RTLD_GLOBAL, all the dependencies of the main executable - # remain RTLD_LOCAL and so the shared libraries must be linked with - # libpython when python is built with a shared python library (issue - # bpo-21536). - # On Cygwin (and if required, other POSIX-like platforms based on - # Windows like MinGW) it is simply necessary that all symbols in - # shared libraries are resolved at link time. - from distutils.sysconfig import get_config_var - - link_libpython = False - if get_config_var('Py_ENABLE_SHARED'): - # A native build on an Android device or on Cygwin - if hasattr(sys, 'getandroidapilevel'): - link_libpython = True - elif sys.platform == 'cygwin': - link_libpython = True - elif '_PYTHON_HOST_PLATFORM' in os.environ: - # We are cross-compiling for one of the relevant platforms - if get_config_var('ANDROID_API_LEVEL') != 0: - link_libpython = True - elif get_config_var('MACHDEP') == 'cygwin': - link_libpython = True - - if link_libpython: - ldversion = get_config_var('LDVERSION') - return ext.libraries + ['python' + ldversion] - - return ext.libraries + py37compat.pythonlib() |