diff options
Diffstat (limited to 'lib/python2.7/distutils/extension.py')
| -rw-r--r-- | lib/python2.7/distutils/extension.py | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/lib/python2.7/distutils/extension.py b/lib/python2.7/distutils/extension.py deleted file mode 100644 index 9a67ca8..0000000 --- a/lib/python2.7/distutils/extension.py +++ /dev/null @@ -1,255 +0,0 @@ -"""distutils.extension - -Provides the Extension class, used to describe C/C++ extension -modules in setup scripts.""" - -__revision__ = "$Id$" - -import os, string, sys -from types import * - -try: - import warnings -except ImportError: - warnings = None - -# This class is really only used by the "build_ext" command, so it might -# make sense to put it in distutils.command.build_ext. However, that -# module is already big enough, and I want to make this class a bit more -# complex to simplify some common cases ("foo" module in "foo.c") and do -# better error-checking ("foo.c" actually exists). -# -# Also, putting this in build_ext.py means every setup script would have to -# import that large-ish module (indirectly, through distutils.core) in -# order to do anything. - -class Extension: - """Just a collection of attributes that describes an extension - module and everything needed to build it (hopefully in a portable - way, but there are hooks that let you be as unportable as you need). - - Instance attributes: - name : string - the full name of the extension, including any packages -- ie. - *not* a filename or pathname, but Python dotted name - sources : [string] - list of source filenames, relative to the distribution root - (where the setup script lives), in Unix form (slash-separated) - for portability. Source files may be C, C++, SWIG (.i), - platform-specific resource files, or whatever else is recognized - by the "build_ext" command as source for a Python extension. - include_dirs : [string] - list of directories to search for C/C++ header files (in Unix - form for portability) - define_macros : [(name : string, value : string|None)] - list of macros to define; each macro is defined using a 2-tuple, - where 'value' is either the string to define it to or None to - define it without a particular value (equivalent of "#define - FOO" in source or -DFOO on Unix C compiler command line) - undef_macros : [string] - list of macros to undefine explicitly - library_dirs : [string] - list of directories to search for C/C++ libraries at link time - libraries : [string] - list of library names (not filenames or paths) to link against - runtime_library_dirs : [string] - list of directories to search for C/C++ libraries at run time - (for shared extensions, this is when the extension is loaded) - extra_objects : [string] - list of extra files to link with (eg. object files not implied - by 'sources', static library that must be explicitly specified, - binary resource files, etc.) - extra_compile_args : [string] - any extra platform- and compiler-specific information to use - when compiling the source files in 'sources'. For platforms and - compilers where "command line" makes sense, this is typically a - list of command-line arguments, but for other platforms it could - be anything. - extra_link_args : [string] - any extra platform- and compiler-specific information to use - when linking object files together to create the extension (or - to create a new static Python interpreter). Similar - interpretation as for 'extra_compile_args'. - export_symbols : [string] - list of symbols to be exported from a shared extension. Not - used on all platforms, and not generally necessary for Python - extensions, which typically export exactly one symbol: "init" + - extension_name. - swig_opts : [string] - any extra options to pass to SWIG if a source file has the .i - extension. - depends : [string] - list of files that the extension depends on - language : string - extension language (i.e. "c", "c++", "objc"). Will be detected - from the source extensions if not provided. - """ - - # When adding arguments to this constructor, be sure to update - # setup_keywords in core.py. - def __init__ (self, name, sources, - include_dirs=None, - define_macros=None, - undef_macros=None, - library_dirs=None, - libraries=None, - runtime_library_dirs=None, - extra_objects=None, - extra_compile_args=None, - extra_link_args=None, - export_symbols=None, - swig_opts = None, - depends=None, - language=None, - **kw # To catch unknown keywords - ): - assert type(name) is StringType, "'name' must be a string" - assert (type(sources) is ListType and - map(type, sources) == [StringType]*len(sources)), \ - "'sources' must be a list of strings" - - self.name = name - self.sources = sources - self.include_dirs = include_dirs or [] - self.define_macros = define_macros or [] - self.undef_macros = undef_macros or [] - self.library_dirs = library_dirs or [] - self.libraries = libraries or [] - self.runtime_library_dirs = runtime_library_dirs or [] - self.extra_objects = extra_objects or [] - self.extra_compile_args = extra_compile_args or [] - self.extra_link_args = extra_link_args or [] - self.export_symbols = export_symbols or [] - self.swig_opts = swig_opts or [] - self.depends = depends or [] - self.language = language - - # If there are unknown keyword options, warn about them - if len(kw): - L = kw.keys() ; L.sort() - L = map(repr, L) - msg = "Unknown Extension options: " + string.join(L, ', ') - if warnings is not None: - warnings.warn(msg) - else: - sys.stderr.write(msg + '\n') -# class Extension - - -def read_setup_file (filename): - from distutils.sysconfig import \ - parse_makefile, expand_makefile_vars, _variable_rx - from distutils.text_file import TextFile - from distutils.util import split_quoted - - # First pass over the file to gather "VAR = VALUE" assignments. - vars = parse_makefile(filename) - - # Second pass to gobble up the real content: lines of the form - # <module> ... [<sourcefile> ...] [<cpparg> ...] [<library> ...] - file = TextFile(filename, - strip_comments=1, skip_blanks=1, join_lines=1, - lstrip_ws=1, rstrip_ws=1) - try: - extensions = [] - - while 1: - line = file.readline() - if line is None: # eof - break - if _variable_rx.match(line): # VAR=VALUE, handled in first pass - continue - - if line[0] == line[-1] == "*": - file.warn("'%s' lines not handled yet" % line) - continue - - #print "original line: " + line - line = expand_makefile_vars(line, vars) - words = split_quoted(line) - #print "expanded line: " + line - - # NB. this parses a slightly different syntax than the old - # makesetup script: here, there must be exactly one extension per - # line, and it must be the first word of the line. I have no idea - # why the old syntax supported multiple extensions per line, as - # they all wind up being the same. - - module = words[0] - ext = Extension(module, []) - append_next_word = None - - for word in words[1:]: - if append_next_word is not None: - append_next_word.append(word) - append_next_word = None - continue - - suffix = os.path.splitext(word)[1] - switch = word[0:2] ; value = word[2:] - - if suffix in (".c", ".cc", ".cpp", ".cxx", ".c++", ".m", ".mm"): - # hmm, should we do something about C vs. C++ sources? - # or leave it up to the CCompiler implementation to - # worry about? - ext.sources.append(word) - elif switch == "-I": - ext.include_dirs.append(value) - elif switch == "-D": - equals = string.find(value, "=") - if equals == -1: # bare "-DFOO" -- no value - ext.define_macros.append((value, None)) - else: # "-DFOO=blah" - ext.define_macros.append((value[0:equals], - value[equals+2:])) - elif switch == "-U": - ext.undef_macros.append(value) - elif switch == "-C": # only here 'cause makesetup has it! - ext.extra_compile_args.append(word) - elif switch == "-l": - ext.libraries.append(value) - elif switch == "-L": - ext.library_dirs.append(value) - elif switch == "-R": - ext.runtime_library_dirs.append(value) - elif word == "-rpath": - append_next_word = ext.runtime_library_dirs - elif word == "-Xlinker": - append_next_word = ext.extra_link_args - elif word == "-Xcompiler": - append_next_word = ext.extra_compile_args - elif switch == "-u": - ext.extra_link_args.append(word) - if not value: - append_next_word = ext.extra_link_args - elif word == "-Xcompiler": - append_next_word = ext.extra_compile_args - elif switch == "-u": - ext.extra_link_args.append(word) - if not value: - append_next_word = ext.extra_link_args - elif suffix in (".a", ".so", ".sl", ".o", ".dylib"): - # NB. a really faithful emulation of makesetup would - # append a .o file to extra_objects only if it - # had a slash in it; otherwise, it would s/.o/.c/ - # and append it to sources. Hmmmm. - ext.extra_objects.append(word) - else: - file.warn("unrecognized argument '%s'" % word) - - extensions.append(ext) - finally: - file.close() - - #print "module:", module - #print "source files:", source_files - #print "cpp args:", cpp_args - #print "lib args:", library_args - - #extensions[module] = { 'sources': source_files, - # 'cpp_args': cpp_args, - # 'lib_args': library_args } - - return extensions - -# read_setup_file () |