cgi.py 文件源码

def read_multi(self, environ, keep_blank_values, strict_parsing):
        """Internal: read a part that is itself multipart."""
        ib = self.innerboundary
        if not valid_boundary(ib):
            raise ValueError, 'Invalid boundary in multipart form: %r' % (ib,)
        self.list = []
        if self.qs_on_post:
            for key, value in urlparse.parse_qsl(self.qs_on_post,
                                self.keep_blank_values, self.strict_parsing):
                self.list.append(MiniFieldStorage(key, value))
            FieldStorageClass = None

        klass = self.FieldStorageClass or self.__class__
        part = klass(self.fp, {}, ib,
                     environ, keep_blank_values, strict_parsing)
        # Throw first part away
        while not part.done:
            headers = rfc822.Message(self.fp)
            part = klass(self.fp, headers, ib,
                         environ, keep_blank_values, strict_parsing)
            self.list.append(part)
        self.skip_lines()