initial import of the packaging package in the standard library
diff --git a/Lib/packaging/compiler/bcppcompiler.py b/Lib/packaging/compiler/bcppcompiler.py
new file mode 100644
index 0000000..63b6d8b
--- /dev/null
+++ b/Lib/packaging/compiler/bcppcompiler.py
@@ -0,0 +1,356 @@
+"""CCompiler implementation for the Borland C++ compiler."""
+
+# This implementation by Lyle Johnson, based on the original msvccompiler.py
+# module and using the directions originally published by Gordon Williams.
+
+# XXX looks like there's a LOT of overlap between these two classes:
+# someone should sit down and factor out the common code as
+# WindowsCCompiler! --GPW
+
+import os
+
+from packaging.errors import (PackagingExecError, CompileError, LibError,
+ LinkError, UnknownFileError)
+from packaging.compiler.ccompiler import CCompiler
+from packaging.compiler import gen_preprocess_options
+from packaging.file_util import write_file
+from packaging.dep_util import newer
+from packaging import logger
+
+
+class BCPPCompiler(CCompiler) :
+ """Concrete class that implements an interface to the Borland C/C++
+ compiler, as defined by the CCompiler abstract class.
+ """
+
+ name = 'bcpp'
+ description = 'Borland C++ Compiler'
+
+ # Just set this so CCompiler's constructor doesn't barf. We currently
+ # don't use the 'set_executables()' bureaucracy provided by CCompiler,
+ # as it really isn't necessary for this sort of single-compiler class.
+ # Would be nice to have a consistent interface with UnixCCompiler,
+ # though, so it's worth thinking about.
+ executables = {}
+
+ # Private class data (need to distinguish C from C++ source for compiler)
+ _c_extensions = ['.c']
+ _cpp_extensions = ['.cc', '.cpp', '.cxx']
+
+ # Needed for the filename generation methods provided by the
+ # base class, CCompiler.
+ src_extensions = _c_extensions + _cpp_extensions
+ obj_extension = '.obj'
+ static_lib_extension = '.lib'
+ shared_lib_extension = '.dll'
+ static_lib_format = shared_lib_format = '%s%s'
+ exe_extension = '.exe'
+
+
+ def __init__(self, verbose=0, dry_run=False, force=False):
+ CCompiler.__init__(self, verbose, dry_run, force)
+
+ # These executables are assumed to all be in the path.
+ # Borland doesn't seem to use any special registry settings to
+ # indicate their installation locations.
+
+ self.cc = "bcc32.exe"
+ self.linker = "ilink32.exe"
+ self.lib = "tlib.exe"
+
+ self.preprocess_options = None
+ self.compile_options = ['/tWM', '/O2', '/q', '/g0']
+ self.compile_options_debug = ['/tWM', '/Od', '/q', '/g0']
+
+ self.ldflags_shared = ['/Tpd', '/Gn', '/q', '/x']
+ self.ldflags_shared_debug = ['/Tpd', '/Gn', '/q', '/x']
+ self.ldflags_static = []
+ self.ldflags_exe = ['/Gn', '/q', '/x']
+ self.ldflags_exe_debug = ['/Gn', '/q', '/x','/r']
+
+
+ # -- Worker methods ------------------------------------------------
+
+ def compile(self, sources,
+ output_dir=None, macros=None, include_dirs=None, debug=False,
+ extra_preargs=None, extra_postargs=None, depends=None):
+
+ macros, objects, extra_postargs, pp_opts, build = \
+ self._setup_compile(output_dir, macros, include_dirs, sources,
+ depends, extra_postargs)
+ compile_opts = extra_preargs or []
+ compile_opts.append('-c')
+ if debug:
+ compile_opts.extend(self.compile_options_debug)
+ else:
+ compile_opts.extend(self.compile_options)
+
+ for obj in objects:
+ try:
+ src, ext = build[obj]
+ except KeyError:
+ continue
+ # XXX why do the normpath here?
+ src = os.path.normpath(src)
+ obj = os.path.normpath(obj)
+ # XXX _setup_compile() did a mkpath() too but before the normpath.
+ # Is it possible to skip the normpath?
+ self.mkpath(os.path.dirname(obj))
+
+ if ext == '.res':
+ # This is already a binary file -- skip it.
+ continue # the 'for' loop
+ if ext == '.rc':
+ # This needs to be compiled to a .res file -- do it now.
+ try:
+ self.spawn(["brcc32", "-fo", obj, src])
+ except PackagingExecError as msg:
+ raise CompileError(msg)
+ continue # the 'for' loop
+
+ # The next two are both for the real compiler.
+ if ext in self._c_extensions:
+ input_opt = ""
+ elif ext in self._cpp_extensions:
+ input_opt = "-P"
+ else:
+ # Unknown file type -- no extra options. The compiler
+ # will probably fail, but let it just in case this is a
+ # file the compiler recognizes even if we don't.
+ input_opt = ""
+
+ output_opt = "-o" + obj
+
+ # Compiler command line syntax is: "bcc32 [options] file(s)".
+ # Note that the source file names must appear at the end of
+ # the command line.
+ try:
+ self.spawn([self.cc] + compile_opts + pp_opts +
+ [input_opt, output_opt] +
+ extra_postargs + [src])
+ except PackagingExecError as msg:
+ raise CompileError(msg)
+
+ return objects
+
+
+ def create_static_lib(self, objects, output_libname, output_dir=None,
+ debug=False, target_lang=None):
+ objects, output_dir = self._fix_object_args(objects, output_dir)
+ output_filename = \
+ self.library_filename(output_libname, output_dir=output_dir)
+
+ if self._need_link(objects, output_filename):
+ lib_args = [output_filename, '/u'] + objects
+ if debug:
+ pass # XXX what goes here?
+ try:
+ self.spawn([self.lib] + lib_args)
+ except PackagingExecError as msg:
+ raise LibError(msg)
+ else:
+ logger.debug("skipping %s (up-to-date)", output_filename)
+
+
+ def link(self, target_desc, objects, output_filename, output_dir=None,
+ libraries=None, library_dirs=None, runtime_library_dirs=None,
+ export_symbols=None, debug=False, extra_preargs=None,
+ extra_postargs=None, build_temp=None, target_lang=None):
+
+ # XXX this ignores 'build_temp'! should follow the lead of
+ # msvccompiler.py
+
+ objects, output_dir = self._fix_object_args(objects, output_dir)
+ libraries, library_dirs, runtime_library_dirs = \
+ self._fix_lib_args(libraries, library_dirs, runtime_library_dirs)
+
+ if runtime_library_dirs:
+ logger.warning("don't know what to do with "
+ "'runtime_library_dirs': %r", runtime_library_dirs)
+
+ if output_dir is not None:
+ output_filename = os.path.join(output_dir, output_filename)
+
+ if self._need_link(objects, output_filename):
+
+ # Figure out linker args based on type of target.
+ if target_desc == CCompiler.EXECUTABLE:
+ startup_obj = 'c0w32'
+ if debug:
+ ld_args = self.ldflags_exe_debug[:]
+ else:
+ ld_args = self.ldflags_exe[:]
+ else:
+ startup_obj = 'c0d32'
+ if debug:
+ ld_args = self.ldflags_shared_debug[:]
+ else:
+ ld_args = self.ldflags_shared[:]
+
+
+ # Create a temporary exports file for use by the linker
+ if export_symbols is None:
+ def_file = ''
+ else:
+ head, tail = os.path.split(output_filename)
+ modname, ext = os.path.splitext(tail)
+ temp_dir = os.path.dirname(objects[0]) # preserve tree structure
+ def_file = os.path.join(temp_dir, '%s.def' % modname)
+ contents = ['EXPORTS']
+ for sym in (export_symbols or []):
+ contents.append(' %s=_%s' % (sym, sym))
+ self.execute(write_file, (def_file, contents),
+ "writing %s" % def_file)
+
+ # Borland C++ has problems with '/' in paths
+ objects2 = [os.path.normpath(o) for o in objects]
+ # split objects in .obj and .res files
+ # Borland C++ needs them at different positions in the command line
+ objects = [startup_obj]
+ resources = []
+ for file in objects2:
+ base, ext = os.path.splitext(os.path.normcase(file))
+ if ext == '.res':
+ resources.append(file)
+ else:
+ objects.append(file)
+
+
+ for l in library_dirs:
+ ld_args.append("/L%s" % os.path.normpath(l))
+ ld_args.append("/L.") # we sometimes use relative paths
+
+ # list of object files
+ ld_args.extend(objects)
+
+ # XXX the command line syntax for Borland C++ is a bit wonky;
+ # certain filenames are jammed together in one big string, but
+ # comma-delimited. This doesn't mesh too well with the
+ # Unix-centric attitude (with a DOS/Windows quoting hack) of
+ # 'spawn()', so constructing the argument list is a bit
+ # awkward. Note that doing the obvious thing and jamming all
+ # the filenames and commas into one argument would be wrong,
+ # because 'spawn()' would quote any filenames with spaces in
+ # them. Arghghh!. Apparently it works fine as coded...
+
+ # name of dll/exe file
+ ld_args.extend((',',output_filename))
+ # no map file and start libraries
+ ld_args.append(',,')
+
+ for lib in libraries:
+ # see if we find it and if there is a bcpp specific lib
+ # (xxx_bcpp.lib)
+ libfile = self.find_library_file(library_dirs, lib, debug)
+ if libfile is None:
+ ld_args.append(lib)
+ # probably a BCPP internal library -- don't warn
+ else:
+ # full name which prefers bcpp_xxx.lib over xxx.lib
+ ld_args.append(libfile)
+
+ # some default libraries
+ ld_args.append('import32')
+ ld_args.append('cw32mt')
+
+ # def file for export symbols
+ ld_args.extend((',',def_file))
+ # add resource files
+ ld_args.append(',')
+ ld_args.extend(resources)
+
+
+ if extra_preargs:
+ ld_args[:0] = extra_preargs
+ if extra_postargs:
+ ld_args.extend(extra_postargs)
+
+ self.mkpath(os.path.dirname(output_filename))
+ try:
+ self.spawn([self.linker] + ld_args)
+ except PackagingExecError as msg:
+ raise LinkError(msg)
+
+ else:
+ logger.debug("skipping %s (up-to-date)", output_filename)
+
+ # -- Miscellaneous methods -----------------------------------------
+
+
+ def find_library_file(self, dirs, lib, debug=False):
+ # List of effective library names to try, in order of preference:
+ # xxx_bcpp.lib is better than xxx.lib
+ # and xxx_d.lib is better than xxx.lib if debug is set
+ #
+ # The "_bcpp" suffix is to handle a Python installation for people
+ # with multiple compilers (primarily Packaging hackers, I suspect
+ # ;-). The idea is they'd have one static library for each
+ # compiler they care about, since (almost?) every Windows compiler
+ # seems to have a different format for static libraries.
+ if debug:
+ dlib = (lib + "_d")
+ try_names = (dlib + "_bcpp", lib + "_bcpp", dlib, lib)
+ else:
+ try_names = (lib + "_bcpp", lib)
+
+ for dir in dirs:
+ for name in try_names:
+ libfile = os.path.join(dir, self.library_filename(name))
+ if os.path.exists(libfile):
+ return libfile
+ else:
+ # Oops, didn't find it in *any* of 'dirs'
+ return None
+
+ # overwrite the one from CCompiler to support rc and res-files
+ def object_filenames(self, source_filenames, strip_dir=False,
+ output_dir=''):
+ if output_dir is None:
+ output_dir = ''
+ obj_names = []
+ for src_name in source_filenames:
+ # use normcase to make sure '.rc' is really '.rc' and not '.RC'
+ base, ext = os.path.splitext(os.path.normcase(src_name))
+ if ext not in (self.src_extensions + ['.rc','.res']):
+ raise UnknownFileError("unknown file type '%s' (from '%s')" % \
+ (ext, src_name))
+ if strip_dir:
+ base = os.path.basename(base)
+ if ext == '.res':
+ # these can go unchanged
+ obj_names.append(os.path.join(output_dir, base + ext))
+ elif ext == '.rc':
+ # these need to be compiled to .res-files
+ obj_names.append(os.path.join(output_dir, base + '.res'))
+ else:
+ obj_names.append(os.path.join(output_dir,
+ base + self.obj_extension))
+ return obj_names
+
+
+ def preprocess(self, source, output_file=None, macros=None,
+ include_dirs=None, extra_preargs=None,
+ extra_postargs=None):
+ _, macros, include_dirs = \
+ self._fix_compile_args(None, macros, include_dirs)
+ pp_opts = gen_preprocess_options(macros, include_dirs)
+ pp_args = ['cpp32.exe'] + pp_opts
+ if output_file is not None:
+ pp_args.append('-o' + output_file)
+ if extra_preargs:
+ pp_args[:0] = extra_preargs
+ if extra_postargs:
+ pp_args.extend(extra_postargs)
+ pp_args.append(source)
+
+ # We need to preprocess: either we're being forced to, or the
+ # source file is newer than the target (or the target doesn't
+ # exist).
+ if self.force or output_file is None or newer(source, output_file):
+ if output_file:
+ self.mkpath(os.path.dirname(output_file))
+ try:
+ self.spawn(pp_args)
+ except PackagingExecError as msg:
+ print(msg)
+ raise CompileError(msg)