lsstimport Namespace Reference

Functions
def	imp_load_module

Variables
tuple	SHARED_LIB_EXTENSION_LIST = ('.so', '.dylib')
tuple	LIB_EXCEPTION_LIST = ('_lsstcppimport.so',)
int	RTLD_GLOBAL = -1
int	RTLD_NOW = -1
	DLFLAGS = RTLD_GLOBAL|RTLD_NOW
	orig_imp_load_module = imp.load_module

Function Documentation

def lsstimport.imp_load_module	(		name,
			args
	)

Definition at line 75 of file lsstimport.py.

    def imp_load_module(name, *args):
        pathParts = args[1].split(os.path.sep)
        extension = os.path.splitext(pathParts[-1])[-1]
        #Find all swigged LSST libs.  Load _lsstcppimport.so by adding it to the EXCEPTIONLIST
        #since it may not have lsst in the path (it's in $BASE_DIR/python, not $BASE_DIR/python/lsst).
        #Also, look for paths that look like python/lsst as that is how to know if you are in an LSST
        #package.
        lsstIdx = [i for i, el in enumerate(pathParts) if el == 'python']
        if pathParts[-1] in LIB_EXCEPTION_LIST or (extension in  SHARED_LIB_EXTENSION_LIST and pathParts[-1].startswith('_')\
                and 'lsst' in [pathParts[i+1] for i in lsstIdx]):
            #Get currently set flags
            originalDLFlags = sys.getdlopenflags()
            #Set flags
            sys.setdlopenflags(DLFLAGS)
            try:
                module = orig_imp_load_module(name, *args)
            finally:
                #Set original flags
                sys.setdlopenflags(originalDLFlags)
        else:
            module = orig_imp_load_module(name, *args)