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#!/usr/bin/env python
# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import re
from rules import rule
class LogUrl(rule.Rule):
"""Logs the request URL."""
def __init__(self, url, stop=False):
r"""Initializes with a url pattern.
Args:
url: a string regex, e.g. r'example\.com/id=(\d{6})'.
stop: boolean ApplyRule should_stop value, defaults to True.
"""
self._url_re = re.compile(url)
self._stop = stop
def IsType(self, rule_type_name):
"""Returns True if the name matches this rule."""
return rule_type_name == 'log_url'
def ApplyRule(self, return_value, request, response):
"""Returns True if logged.
Args:
return_value: the prior log_url rule's return_value (if any).
request: the httparchive ArchivedHttpRequest.
response: the httparchive ArchivedHttpResponse.
Returns:
A (should_stop, return_value) tuple, e.g. (False, True).
"""
del response # unused.
url = '%s%s' % (request.host, request.full_path)
if not self._url_re.match(url):
return False, return_value
logging.debug('url: %s', url)
return self._stop, True
def __str__(self):
return _ToString(self, ('url', self._url_re.pattern),
None if self._stop else ('stop', False))
def __repr__(self):
return str(self)
def _ToString(obj, *items):
pkg = (obj.__module__[:obj.__module__.rfind('.') + 1]
if '.' in obj.__module__ else '')
clname = obj.__class__.__name__
args = [('%s=r\'%s\'' % item if isinstance(item[1], basestring)
else '%s=%s' % item) for item in items if item]
return '%s%s(%s)' % (pkg, clname, ', '.join(args))
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