/usr/lib/python2.7/dist-packages/planet/vendor/pubsubhubbub_publisher/pubsubhubbub_publish.py is in planet-venus 0~git9de2109-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #!/usr/bin/env python
#
# Copyright 2009 Google Inc.
#
# 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.
#
"""Simple Publisher client for PubSubHubbub.
Example usage:
from pubsubhubbub_publish import *
try:
publish('http://pubsubhubbub.appspot.com',
'http://example.com/feed1/atom.xml',
'http://example.com/feed2/atom.xml',
'http://example.com/feed3/atom.xml')
except PublishError, e:
# handle exception...
Set the 'http_proxy' environment variable on *nix or Windows to use an
HTTP proxy.
"""
__author__ = 'bslatkin@gmail.com (Brett Slatkin)'
import urllib
import urllib2
class PublishError(Exception):
"""An error occurred while trying to publish to the hub."""
URL_BATCH_SIZE = 100
def publish(hub, *urls):
"""Publishes an event to a hub.
Args:
hub: The hub to publish the event to.
**urls: One or more URLs to publish to. If only a single URL argument is
passed and that item is an iterable that is not a string, the contents of
that iterable will be used to produce the list of published URLs. If
more than URL_BATCH_SIZE URLs are supplied, this function will batch them
into chunks across multiple requests.
Raises:
PublishError if anything went wrong during publishing.
"""
if len(urls) == 1 and not isinstance(urls[0], basestring):
urls = list(urls[0])
for i in xrange(0, len(urls), URL_BATCH_SIZE):
chunk = urls[i:i+URL_BATCH_SIZE]
data = urllib.urlencode(
{'hub.url': chunk, 'hub.mode': 'publish'}, doseq=True)
try:
response = urllib2.urlopen(hub, data)
except (IOError, urllib2.HTTPError), e:
if hasattr(e, 'code') and e.code == 204:
continue
error = ''
if hasattr(e, 'read'):
error = e.read()
raise PublishError('%s, Response: "%s"' % (e, error))
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