X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=python%2Fovs%2Fdb%2Fparser.py;h=2556becce10e154892d3b36caf41e99a5e201c36;hb=7698e31d6a3467948224f056183427f4b8f2d4d9;hp=173922bab051add7e5e9275fa60ba2f7e0b0521a;hpb=c29e06be0e224f1c2392e892016bd6b80749611d;p=openvswitch diff --git a/python/ovs/db/parser.py b/python/ovs/db/parser.py index 173922ba..2556becc 100644 --- a/python/ovs/db/parser.py +++ b/python/ovs/db/parser.py @@ -1,4 +1,4 @@ -# Copyright (c) 2010, 2011 Nicira Networks +# Copyright (c) 2010, 2011 Nicira, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -16,6 +16,7 @@ import re from ovs.db import error + class Parser(object): def __init__(self, json, name): self.name = name @@ -34,7 +35,7 @@ class Parser(object): self.__raise_error("Type mismatch for member '%s'." % name) return member else: - if not optional: + if not optional: self.__raise_error("Required '%s' member is missing." % name) return default @@ -60,19 +61,24 @@ class Parser(object): present = "is" self.__raise_error("Member '%s' %s present but not allowed here" % (name, present)) - + + def float_to_int(x): # XXX still needed? if type(x) == float: integer = int(x) - if integer == x and -2**53 <= integer < 2**53: + if integer == x and -2 ** 53 <= integer < 2 ** 53: return integer return x + id_re = re.compile("[_a-zA-Z][_a-zA-Z0-9]*$") + + def is_identifier(s): return type(s) in [str, unicode] and id_re.match(s) + def json_type_to_string(type_): if type_ == None: return "null" @@ -89,15 +95,15 @@ def json_type_to_string(type_): else: return "" -def unwrap_json(json, name, need_type): - if (type(json) != list or len(json) != 2 or json[0] != name or - type(json[1]) != need_type): - raise error.Error('expected ["%s", <%s>]' - % (name, json_type_to_string(need_type)), json) + +def unwrap_json(json, name, types, desc): + if (type(json) not in (list, tuple) or len(json) != 2 or json[0] != name or + type(json[1]) not in types): + raise error.Error('expected ["%s", <%s>]' % (name, desc), json) return json[1] + def parse_json_pair(json): if type(json) != list or len(json) != 2: raise error.Error("expected 2-element array", json) return json -