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Diffstat (limited to 'package/python2/files/sysconfig.py')
| -rw-r--r-- | package/python2/files/sysconfig.py | 572 |
1 files changed, 0 insertions, 572 deletions
diff --git a/package/python2/files/sysconfig.py b/package/python2/files/sysconfig.py deleted file mode 100644 index ec496e4a6..000000000 --- a/package/python2/files/sysconfig.py +++ /dev/null @@ -1,572 +0,0 @@ -"""Provide access to Python's configuration information. The specific -configuration variables available depend heavily on the platform and -configuration. The values may be retrieved using -get_config_var(name), and the list of variables is available via -get_config_vars().keys(). Additional convenience functions are also -available. - -Written by: Fred L. Drake, Jr. -Email: <fdrake@acm.org> -""" - -__revision__ = "$Id: sysconfig.py 86264 2010-11-06 14:16:30Z eric.araujo $" - -import os -import re -import string -import sys - -from distutils.errors import DistutilsPlatformError - -# These are needed in a couple of spots, so just compute them once. -PREFIX = os.path.normpath(sys.prefix) -EXEC_PREFIX = os.path.normpath(sys.exec_prefix) - -# Path to the base directory of the project. On Windows the binary may -# live in project/PCBuild9. If we're dealing with an x64 Windows build, -# it'll live in project/PCbuild/amd64. -project_base = os.path.dirname(os.path.abspath(sys.executable)) -if os.name == "nt" and "pcbuild" in project_base[-8:].lower(): - project_base = os.path.abspath(os.path.join(project_base, os.path.pardir)) -# PC/VS7.1 -if os.name == "nt" and "\\pc\\v" in project_base[-10:].lower(): - project_base = os.path.abspath(os.path.join(project_base, os.path.pardir, - os.path.pardir)) -# PC/AMD64 -if os.name == "nt" and "\\pcbuild\\amd64" in project_base[-14:].lower(): - project_base = os.path.abspath(os.path.join(project_base, os.path.pardir, - os.path.pardir)) - -# python_build: (Boolean) if true, we're either building Python or -# building an extension with an un-installed Python, so we use -# different (hard-wired) directories. -# Setup.local is available for Makefile builds including VPATH builds, -# Setup.dist is available on Windows -def _python_build(): - for fn in ("Setup.dist", "Setup.local"): - if os.path.isfile(os.path.join(project_base, "Modules", fn)): - return True - return False -python_build = _python_build() - - -def get_python_version(): - """Return a string containing the major and minor Python version, - leaving off the patchlevel. Sample return values could be '1.5' - or '2.2'. - """ - return sys.version[:3] - - -def get_python_inc(plat_specific=0, prefix=None): - """Return the directory containing installed Python header files. - - If 'plat_specific' is false (the default), this is the path to the - non-platform-specific header files, i.e. Python.h and so on; - otherwise, this is the path to platform-specific header files - (namely pyconfig.h). - - If 'prefix' is supplied, use it instead of sys.prefix or - sys.exec_prefix -- i.e., ignore 'plat_specific'. - """ - if prefix is None: - prefix = plat_specific and EXEC_PREFIX or PREFIX - prefix = re.sub('host_', 'target_', prefix) - - if os.name == "posix": - if python_build: - buildir = re.sub('host_', 'target_', os.path.dirname(sys.executable)) - if plat_specific: - # python.h is located in the buildir - inc_dir = buildir - else: - # the source dir is relative to the buildir - srcdir = os.path.abspath(os.path.join(buildir, - get_config_var('srcdir'))) - # Include is located in the srcdir - inc_dir = os.path.join(srcdir, "Include") - return inc_dir - return os.path.join(prefix, "include", "python" + get_python_version()) - elif os.name == "nt": - return os.path.join(prefix, "include") - elif os.name == "os2": - return os.path.join(prefix, "Include") - else: - raise DistutilsPlatformError( - "I don't know where Python installs its C header files " - "on platform '%s'" % os.name) - - -def get_python_lib(plat_specific=0, standard_lib=0, prefix=None): - """Return the directory containing the Python library (standard or - site additions). - - If 'plat_specific' is true, return the directory containing - platform-specific modules, i.e. any module from a non-pure-Python - module distribution; otherwise, return the platform-shared library - directory. If 'standard_lib' is true, return the directory - containing standard Python library modules; otherwise, return the - directory for site-specific modules. - - If 'prefix' is supplied, use it instead of sys.prefix or - sys.exec_prefix -- i.e., ignore 'plat_specific'. - """ - if prefix is None: - prefix = plat_specific and EXEC_PREFIX or PREFIX - - if os.name == "posix": - libpython = os.path.join(prefix, - "lib", "python" + get_python_version()) - if standard_lib: - return libpython - else: - return os.path.join(libpython, "site-packages") - - elif os.name == "nt": - if standard_lib: - return os.path.join(prefix, "Lib") - else: - if get_python_version() < "2.2": - return prefix - else: - return os.path.join(prefix, "Lib", "site-packages") - - elif os.name == "os2": - if standard_lib: - return os.path.join(prefix, "Lib") - else: - return os.path.join(prefix, "Lib", "site-packages") - - else: - raise DistutilsPlatformError( - "I don't know where Python installs its library " - "on platform '%s'" % os.name) - - -def customize_compiler(compiler): - """Do any platform-specific customization of a CCompiler instance. - - Mainly needed on Unix, so we can plug in the information that - varies across Unices and is stored in Python's Makefile. - """ - if compiler.compiler_type == "unix": - (cc, cxx, opt, cflags, ccshared, ldshared, so_ext) = \ - get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS', - 'CCSHARED', 'LDSHARED', 'SO') - - if 'CC' in os.environ: - cc = os.environ['CC'] - if 'CXX' in os.environ: - cxx = os.environ['CXX'] - if 'LDSHARED' in os.environ: - ldshared = os.environ['LDSHARED'] - if 'CPP' in os.environ: - cpp = os.environ['CPP'] - else: - cpp = cc + " -E" # not always - if 'LDFLAGS' in os.environ: - ldshared = ldshared + ' ' + os.environ['LDFLAGS'] - if 'CFLAGS' in os.environ: - cflags = opt + ' ' + os.environ['CFLAGS'] - ldshared = ldshared + ' ' + os.environ['CFLAGS'] - if 'CPPFLAGS' in os.environ: - cpp = cpp + ' ' + os.environ['CPPFLAGS'] - cflags = cflags + ' ' + os.environ['CPPFLAGS'] - ldshared = ldshared + ' ' + os.environ['CPPFLAGS'] - - cc_cmd = cc + ' ' + cflags - compiler.set_executables( - preprocessor=cpp, - compiler=cc_cmd, - compiler_so=cc_cmd + ' ' + ccshared, - compiler_cxx=cxx, - linker_so=ldshared, - linker_exe=cc) - - compiler.shared_lib_extension = so_ext - - -def get_config_h_filename(): - """Return full pathname of installed pyconfig.h file.""" - if python_build: - if os.name == "nt": - inc_dir = os.path.join(project_base, "PC") - else: - inc_dir = project_base - else: - inc_dir = get_python_inc(plat_specific=1) - if get_python_version() < '2.2': - config_h = 'config.h' - else: - # The name of the config.h file changed in 2.2 - config_h = 'pyconfig.h' - return os.path.join(inc_dir, config_h) - - -def get_makefile_filename(): - """Return full pathname of installed Makefile from the Python build.""" - if python_build: - return os.path.join(os.path.dirname(sys.executable), "Makefile") - lib_dir = get_python_lib(plat_specific=1, standard_lib=1) - return os.path.join(lib_dir, "config", "Makefile") - - -def parse_config_h(fp, g=None): - """Parse a config.h-style file. - - A dictionary containing name/value pairs is returned. If an - optional dictionary is passed in as the second argument, it is - used instead of a new dictionary. - """ - if g is None: - g = {} - define_rx = re.compile("#define ([A-Z][A-Za-z0-9_]+) (.*)\n") - undef_rx = re.compile("/[*] #undef ([A-Z][A-Za-z0-9_]+) [*]/\n") - # - while 1: - line = fp.readline() - if not line: - break - m = define_rx.match(line) - if m: - n, v = m.group(1, 2) - try: v = int(v) - except ValueError: pass - g[n] = v - else: - m = undef_rx.match(line) - if m: - g[m.group(1)] = 0 - return g - - -# Regexes needed for parsing Makefile (and similar syntaxes, -# like old-style Setup files). -_variable_rx = re.compile("([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)") -_findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)") -_findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}") - -def parse_makefile(fn, g=None): - """Parse a Makefile-style file. - - A dictionary containing name/value pairs is returned. If an - optional dictionary is passed in as the second argument, it is - used instead of a new dictionary. - """ - from distutils.text_file import TextFile - fp = TextFile(fn, strip_comments=1, skip_blanks=1, join_lines=1) - - if g is None: - g = {} - done = {} - notdone = {} - - while 1: - line = fp.readline() - if line is None: # eof - break - m = _variable_rx.match(line) - if m: - n, v = m.group(1, 2) - v = v.strip() - # `$$' is a literal `$' in make - tmpv = v.replace('$$', '') - - if "$" in tmpv: - notdone[n] = v - else: - try: - v = int(v) - except ValueError: - # insert literal `$' - done[n] = v.replace('$$', '$') - else: - done[n] = v - - # do variable interpolation here - while notdone: - for name in notdone.keys(): - value = notdone[name] - m = _findvar1_rx.search(value) or _findvar2_rx.search(value) - if m: - n = m.group(1) - found = True - if n in done: - item = str(done[n]) - elif n in notdone: - # get it on a subsequent round - found = False - elif n in os.environ: - # do it like make: fall back to environment - item = os.environ[n] - else: - done[n] = item = "" - if found: - after = value[m.end():] - value = value[:m.start()] + item + after - if "$" in after: - notdone[name] = value - else: - try: value = int(value) - except ValueError: - done[name] = value.strip() - else: - done[name] = value - del notdone[name] - else: - # bogus variable reference; just drop it since we can't deal - del notdone[name] - - fp.close() - - # strip spurious spaces - for k, v in done.items(): - if isinstance(v, str): - done[k] = v.strip() - - # save the results in the global dictionary - g.update(done) - return g - - -def expand_makefile_vars(s, vars): - """Expand Makefile-style variables -- "${foo}" or "$(foo)" -- in - 'string' according to 'vars' (a dictionary mapping variable names to - values). Variables not present in 'vars' are silently expanded to the - empty string. The variable values in 'vars' should not contain further - variable expansions; if 'vars' is the output of 'parse_makefile()', - you're fine. Returns a variable-expanded version of 's'. - """ - - # This algorithm does multiple expansion, so if vars['foo'] contains - # "${bar}", it will expand ${foo} to ${bar}, and then expand - # ${bar}... and so forth. This is fine as long as 'vars' comes from - # 'parse_makefile()', which takes care of such expansions eagerly, - # according to make's variable expansion semantics. - - while 1: - m = _findvar1_rx.search(s) or _findvar2_rx.search(s) - if m: - (beg, end) = m.span() - s = s[0:beg] + vars.get(m.group(1)) + s[end:] - else: - break - return s - - -_config_vars = None - -def _init_posix(): - """Initialize the module as appropriate for POSIX systems.""" - g = {} - # load the installed Makefile: - try: - filename = get_makefile_filename() - parse_makefile(filename, g) - except IOError, msg: - my_msg = "invalid Python installation: unable to open %s" % filename - if hasattr(msg, "strerror"): - my_msg = my_msg + " (%s)" % msg.strerror - - raise DistutilsPlatformError(my_msg) - - # load the installed pyconfig.h: - try: - filename = get_config_h_filename() - parse_config_h(file(filename), g) - except IOError, msg: - my_msg = "invalid Python installation: unable to open %s" % filename - if hasattr(msg, "strerror"): - my_msg = my_msg + " (%s)" % msg.strerror - - raise DistutilsPlatformError(my_msg) - - # On MacOSX we need to check the setting of the environment variable - # MACOSX_DEPLOYMENT_TARGET: configure bases some choices on it so - # it needs to be compatible. - # If it isn't set we set it to the configure-time value - if sys.platform == 'darwin' and 'MACOSX_DEPLOYMENT_TARGET' in g: - cfg_target = g['MACOSX_DEPLOYMENT_TARGET'] - cur_target = os.getenv('MACOSX_DEPLOYMENT_TARGET', '') - if cur_target == '': - cur_target = cfg_target - os.putenv('MACOSX_DEPLOYMENT_TARGET', cfg_target) - elif map(int, cfg_target.split('.')) > map(int, cur_target.split('.')): - my_msg = ('$MACOSX_DEPLOYMENT_TARGET mismatch: now "%s" but "%s" during configure' - % (cur_target, cfg_target)) - raise DistutilsPlatformError(my_msg) - - # On AIX, there are wrong paths to the linker scripts in the Makefile - # -- these paths are relative to the Python source, but when installed - # the scripts are in another directory. - if python_build: - g['LDSHARED'] = g['BLDSHARED'] - - elif get_python_version() < '2.1': - # The following two branches are for 1.5.2 compatibility. - if sys.platform == 'aix4': # what about AIX 3.x ? - # Linker script is in the config directory, not in Modules as the - # Makefile says. - python_lib = get_python_lib(standard_lib=1) - ld_so_aix = os.path.join(python_lib, 'config', 'ld_so_aix') - python_exp = os.path.join(python_lib, 'config', 'python.exp') - - g['LDSHARED'] = "%s %s -bI:%s" % (ld_so_aix, g['CC'], python_exp) - - elif sys.platform == 'beos': - # Linker script is in the config directory. In the Makefile it is - # relative to the srcdir, which after installation no longer makes - # sense. - python_lib = get_python_lib(standard_lib=1) - linkerscript_path = string.split(g['LDSHARED'])[0] - linkerscript_name = os.path.basename(linkerscript_path) - linkerscript = os.path.join(python_lib, 'config', - linkerscript_name) - - # XXX this isn't the right place to do this: adding the Python - # library to the link, if needed, should be in the "build_ext" - # command. (It's also needed for non-MS compilers on Windows, and - # it's taken care of for them by the 'build_ext.get_libraries()' - # method.) - g['LDSHARED'] = ("%s -L%s/lib -lpython%s" % - (linkerscript, PREFIX, get_python_version())) - - global _config_vars - _config_vars = g - - -def _init_nt(): - """Initialize the module as appropriate for NT""" - g = {} - # set basic install directories - g['LIBDEST'] = get_python_lib(plat_specific=0, standard_lib=1) - g['BINLIBDEST'] = get_python_lib(plat_specific=1, standard_lib=1) - - # XXX hmmm.. a normal install puts include files here - g['INCLUDEPY'] = get_python_inc(plat_specific=0) - - g['SO'] = '.pyd' - g['EXE'] = ".exe" - g['VERSION'] = get_python_version().replace(".", "") - g['BINDIR'] = os.path.dirname(os.path.abspath(sys.executable)) - - global _config_vars - _config_vars = g - - -def _init_os2(): - """Initialize the module as appropriate for OS/2""" - g = {} - # set basic install directories - g['LIBDEST'] = get_python_lib(plat_specific=0, standard_lib=1) - g['BINLIBDEST'] = get_python_lib(plat_specific=1, standard_lib=1) - - # XXX hmmm.. a normal install puts include files here - g['INCLUDEPY'] = get_python_inc(plat_specific=0) - - g['SO'] = '.pyd' - g['EXE'] = ".exe" - - global _config_vars - _config_vars = g - - -def get_config_vars(*args): - """With no arguments, return a dictionary of all configuration - variables relevant for the current platform. Generally this includes - everything needed to build extensions and install both pure modules and - extensions. On Unix, this means every variable defined in Python's - installed Makefile; on Windows and Mac OS it's a much smaller set. - - With arguments, return a list of values that result from looking up - each argument in the configuration variable dictionary. - """ - global _config_vars - if _config_vars is None: - func = globals().get("_init_" + os.name) - if func: - func() - else: - _config_vars = {} - - # Normalized versions of prefix and exec_prefix are handy to have; - # in fact, these are the standard versions used most places in the - # Distutils. - _config_vars['prefix'] = PREFIX - _config_vars['exec_prefix'] = EXEC_PREFIX - - if sys.platform == 'darwin': - kernel_version = os.uname()[2] # Kernel version (8.4.3) - major_version = int(kernel_version.split('.')[0]) - - if major_version < 8: - # On Mac OS X before 10.4, check if -arch and -isysroot - # are in CFLAGS or LDFLAGS and remove them if they are. - # This is needed when building extensions on a 10.3 system - # using a universal build of python. - for key in ('LDFLAGS', 'BASECFLAGS', 'LDSHARED', - # a number of derived variables. These need to be - # patched up as well. - 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): - flags = _config_vars[key] - flags = re.sub('-arch\s+\w+\s', ' ', flags) - flags = re.sub('-isysroot [^ \t]*', ' ', flags) - _config_vars[key] = flags - - else: - - # Allow the user to override the architecture flags using - # an environment variable. - # NOTE: This name was introduced by Apple in OSX 10.5 and - # is used by several scripting languages distributed with - # that OS release. - - if 'ARCHFLAGS' in os.environ: - arch = os.environ['ARCHFLAGS'] - for key in ('LDFLAGS', 'BASECFLAGS', 'LDSHARED', - # a number of derived variables. These need to be - # patched up as well. - 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): - - flags = _config_vars[key] - flags = re.sub('-arch\s+\w+\s', ' ', flags) - flags = flags + ' ' + arch - _config_vars[key] = flags - - # If we're on OSX 10.5 or later and the user tries to - # compiles an extension using an SDK that is not present - # on the current machine it is better to not use an SDK - # than to fail. - # - # The major usecase for this is users using a Python.org - # binary installer on OSX 10.6: that installer uses - # the 10.4u SDK, but that SDK is not installed by default - # when you install Xcode. - # - m = re.search('-isysroot\s+(\S+)', _config_vars['CFLAGS']) - if m is not None: - sdk = m.group(1) - if not os.path.exists(sdk): - for key in ('LDFLAGS', 'BASECFLAGS', 'LDSHARED', - # a number of derived variables. These need to be - # patched up as well. - 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): - - flags = _config_vars[key] - flags = re.sub('-isysroot\s+\S+(\s|$)', ' ', flags) - _config_vars[key] = flags - - if args: - vals = [] - for name in args: - vals.append(_config_vars.get(name)) - return vals - else: - return _config_vars - -def get_config_var(name): - """Return the value of a single variable using the dictionary - returned by 'get_config_vars()'. Equivalent to - get_config_vars().get(name) - """ - return get_config_vars().get(name) |