Transform a list of modules to path.

        @param filesOrModules: a list of modules (may be foo/bar.py or
        foo.bar)

def getPathList(self, filesOrModules):
        """
        Transform a list of modules to path.

        @param filesOrModules: a list of modules (may be foo/bar.py or
        foo.bar)
        """
        pathList = []
        for fileOrMod in filesOrModules:
            if not os.path.exists(fileOrMod):
                # May be given module is not not a path,
                # then transform it to a path.
                try:
                    filepath = file_from_modpath(fileOrMod.split('.'))
                except (ImportError, SyntaxError):
                    # Could not load this module.
                    continue
                if not os.path.exists(filepath):
                    # Could not find this module in file system.
                    continue
                if os.path.basename(filepath) == "__init__.py":
                    filepath = os.path.dirname(filepath)
            else:
                filepath = fileOrMod
            pathList.append(filepath)
        return pathList