Implements @import
        Load and import mixins and functions and rules

def _do_import(self, rule, p_selectors, p_parents, p_children, scope, media, c_lineno, c_property, c_codestr, code, name):
        """
        Implements @import
        Load and import mixins and functions and rules
        """
        i_codestr = None
        if '..' not in name and '://' not in name and 'url(' not in name:  # Protect against going to prohibited places...
            names = name.split(',')
            for name in names:
                name = dequote(name.strip())
                if '@import ' + name not in rule[OPTIONS]:  # If already imported in this scope, skip...
                    try:
                        raise KeyError
                        i_codestr = self._scss_files[name]
                    except KeyError:
                        filename = os.path.basename(name)
                        dirname = os.path.dirname(name)
                        load_paths = []
                        i_codestr = None
                        for path in ['./'] + LOAD_PATHS.split(','):
                            for basepath in ['./', os.path.dirname(rule[PATH])]:
                                i_codestr = None
                                full_path = os.path.realpath(
                                    os.path.join(path, basepath, dirname))
                                if full_path not in load_paths:
                                    try:
                                        full_filename = os.path.join(full_path,
                                                                     '_' + filename + '.scss')
                                        i_codestr = open(full_filename).read()
                                    except:
                                        try:
                                            full_filename = os.path.join(
                                                full_path, filename + '.scss')
                                            i_codestr = open(
                                                full_filename).read()
                                        except:
                                            try:
                                                full_filename = os.path.join(
                                                    full_path, '_' + filename)
                                                i_codestr = open(
                                                    full_filename).read()
                                            except:
                                                try:
                                                    full_filename = os.path.join(
                                                        full_path, filename)
                                                    i_codestr = open(
                                                        full_filename).read()
                                                except:
                                                    pass
                                    if i_codestr is not None:
                                        break
                                    else:
                                        load_paths.append(full_path)
                            if i_codestr is not None:
                                break
                        if i_codestr is None:
                            i_codestr = self._do_magic_import(rule, p_selectors, p_parents, p_children, scope, media, c_lineno, c_property, c_codestr, code, name)
                        i_codestr = self._scss_files[name] = i_codestr and self.load_string(
                            i_codestr, full_filename)
                    if i_codestr is None:
                        log.warn("File to import not found or unreadable: '%s'\nLoad paths:\n\t%s",
                                 filename, "\n\t".join(load_paths))
                    else:
                        _rule = spawn_rule(rule, codestr=i_codestr,
                                           path=full_filename, lineno=c_lineno)
                        self.manage_children(_rule,
                                             p_selectors, p_parents, p_children, scope, media)
                        rule[OPTIONS]['@import ' + name] = True
        else:
            rule[PROPERTIES].append((c_lineno, c_property, None))