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
if os.name == "posix":
if python_build:
base = os.path.dirname(os.path.abspath(sys.executable))
if plat_specific:
inc_dir = base
else:
inc_dir = os.path.join(base, "Include")
if not os.path.exists(inc_dir):
inc_dir = os.path.join(os.path.dirname(base), "Include")
return inc_dir
return os.path.join(prefix, "include", "python" + sys.version[:3])
elif os.name == "nt":
return os.path.join(prefix, "include")
elif os.name == "mac":
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 sys.version < "2.2":
return prefix
else:
return os.path.join(PREFIX, "Lib", "site-packages")
elif os.name == "mac":
if plat_specific:
if standard_lib:
return os.path.join(prefix, "Lib", "lib-dynload")
else:
return os.path.join(prefix, "Lib", "site-packages")
else:
if standard_lib:
return os.path.join(prefix, "Lib")
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 _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)
# 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 g.has_key('MACOSX_DEPLOYMENT_TARGET'):
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)
if cfg_target != cur_target:
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 sys.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')
"""Provide access to Python's configuration information. The specific
