location -- URL or file location
        isxsd -- is this a xsd file?

def _load(self, location):
        """
        location -- URL or file location
        isxsd -- is this a xsd file?
        """
        cachedir = self._cachedir
        # wsdl2py: deal with XML Schema
        if not os.path.isdir(cachedir): os.mkdir(cachedir)
    
        file = os.path.join(cachedir, '.cache')
        section = 'TYPES'
        cp = ConfigParser()
        try:
            cp.readfp(open(file, 'r'))
        except IOError:
            del cp;  cp = None
            
        option = location.replace(':', '-') # colons seem to screw up option
        if (not self._force and cp is not None and cp.has_section(section) and 
            cp.has_option(section, option)):
            types = cp.get(section, option)
        else:
            # dont do anything to anames
            if not self._pyclass:
                containers.ContainerBase.func_aname = lambda instnc,n: str(n)
                
            args = ['-o', cachedir, location]
            if self._lazy: args.insert(0, '-l')
            if self._pyclass: args.insert(0, '-b')
            files = commands.wsdl2py(args)

            if cp is None: cp = ConfigParser()
            if not cp.has_section(section): cp.add_section(section)
            types = filter(lambda f: f.endswith('_types.py'), files)[0]
            cp.set(section, option, types)
            cp.write(open(file, 'w'))
            
        if os.path.abspath(cachedir) not in sys.path:
            sys.path.append(os.path.abspath(cachedir))
            
        mod = os.path.split(types)[-1].rstrip('.py')
        return __import__(mod)