add amo-changelog, a script for fetching version history from the amo website

1 files changed, 57 insertions, 0 deletions

diff --git a/amo-changelog b/amo-changelog
new file mode 100755
index 0000000..02b035b
--- /dev/null
+++ b/amo-changelog
@@ -0,0 +1,57 @@
+#!/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 urllib2
+import xml.etree.cElementTree as etree
+import sys
+
+URL_TEMPLATE = "https://addons.mozilla.org/en-US/addon/{ext}/versions/format:rss"
+
+def main():
+    ap = argparse.ArgumentParser(
+        description="fetch Version History of an addon from the Mozilla Extensions website.")
+    ap.add_argument("extension",
+        help="Extension short-name, as used on addons.mozilla.org.")
+    options = ap.parse_args()
+
+    url = URL_TEMPLATE.format(ext=options.extension)
+    try:
+        fp = urllib2.urlopen(url)
+    except urllib2.HTTPError as e:
+        print("For extension '%s', error fetching '%s': %s" % (options.extension, url, e), file=sys.stderr)
+        return 1
+    try:
+        for event, element in etree.iterparse(fp):
+            if element.tag != "item":
+                continue
+            title = element.find("title").text
+            print(title)
+            print("=" * len(title))
+            descel = element.find("description")
+            if descel is not None and descel.text:
+                print(descel.text.rstrip("\n"))
+            else:
+                print("[no description]")
+            print("")
+    finally:
+        fp.close()
+
+if __name__ == "__main__":
+    sys.exit(main())