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#!/usr/bin/python
# Copyright (c) 2014, Jakub Wilk <jwilk@debian.org>
# Copyright (c) 2014, Ximin Luo <infinity0@pwned.gg>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
from __future__ import print_function
import argparse
import os
import sys
import urllib2
import xml.etree.cElementTree as etree
URL_TEMPLATE = "https://addons.mozilla.org/en-US/addon/{ext}/versions/format:rss"
def main():
parser = argparse.ArgumentParser(
description="fetch Version History of an addon from the Mozilla Extensions website.")
parser.add_argument("extension",
help="Extension short-name, as used on addons.mozilla.org.")
options = parser.parse_args()
url = URL_TEMPLATE.format(ext=options.extension)
try:
fp = urllib2.urlopen(url)
except urllib2.HTTPError as error:
print("%s: For extension '%s', error fetching '%s': %s" %
(os.path.basename(sys.argv[0]), options.extension, url, error),
file=sys.stderr)
return 1
try:
for _, element in etree.iterparse(fp):
if element.tag != "item":
continue
title = element.find("title").text.encode("utf-8")
print(title)
print("=" * len(title))
descel = element.find("description")
if descel is not None and descel.text:
print(descel.text.rstrip("\n").encode("utf-8"))
else:
print("[no description]")
print("")
finally:
fp.close()
if __name__ == "__main__":
sys.exit(main())
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