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authorWaldemar Brodkorb <wbx@openadk.org>2011-11-17 12:51:22 +0100
committerWaldemar Brodkorb <wbx@openadk.org>2011-11-17 12:51:22 +0100
commit9f02979caebb6e900fe101a257d8e6c344a7a173 (patch)
tree350b808ae23e8abb4ff08d472b76104a89e1f35a /package/python2/files
parentafb9908771db100ee97bb933fcca850c4f49af5a (diff)
parentee3c54b1570b9dd8ea900a11d496ced1ad1ae356 (diff)
Merge branch 'master' of git+ssh://openadk.org/git/openadk
Diffstat (limited to 'package/python2/files')
-rw-r--r--package/python2/files/sysconfig.py572
1 files changed, 572 insertions, 0 deletions
diff --git a/package/python2/files/sysconfig.py b/package/python2/files/sysconfig.py
new file mode 100644
index 000000000..ec496e4a6
--- /dev/null
+++ b/package/python2/files/sysconfig.py
@@ -0,0 +1,572 @@
+"""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)