Support checking versoins from Android SDK

nvchecker/get_version.py

@@ -11,7 +11,7 @@ handler_precedence = (
   'gems', 'pacman',
   'cmd', 'bitbucket', 'regex', 'manual', 'vcs',
   'cratesio', 'npm', 'hackage', 'cpan', 'gitlab', 'packagist',
-  'anitya',
+  'anitya', 'android_sdk',
 )
 
 def substitute_version(version, name, conf):

nvchecker/source/android_sdk.py

@@ -0,0 +1,44 @@
+# MIT licensed
+# Copyright (c) 2013-2017 lilydjwg <lilydjwg@gmail.com>, et al.
+
+import os
+import re
+from xml.etree import ElementTree
+
+from . import session
+
+ANDROID_REPO_MANIFESTS = {
+  'addon': 'https://dl.google.com/android/repository/addon2-1.xml',
+  'package': 'https://dl.google.com/android/repository/repository2-1.xml',
+}
+
+async def get_version(name, conf):
+  repo_xml_url = ANDROID_REPO_MANIFESTS[conf['repo']]
+  pkg_path_prefix = conf['android_sdk']
+
+  async with session.get(repo_xml_url) as res:
+    data = (await res.read()).decode('utf-8')
+
+  repo_manifest = ElementTree.fromstring(data)
+  for pkg in repo_manifest.findall('.//remotePackage'):
+    if not pkg.attrib['path'].startswith(pkg_path_prefix):
+      continue
+    for archive in pkg.findall('./archives/archive'):
+      host_os = archive.find('./host-os')
+      if host_os and host_os.text != 'linux':
+        continue
+      archive_url = archive.find('./complete/url').text
+      # revision
+      rev = pkg.find('./revision')
+      rev_strs = []
+      for part in ('major', 'minor', 'micro'):
+        part_node = rev.find('./' + part)
+        if part_node is not None:
+          rev_strs.append(part_node.text)
+      # release number
+      filename, ext = os.path.splitext(archive_url)
+      rel_str = filename.rsplit('-')[-1]
+      mobj = re.match(r'r\d+', rel_str)
+      if mobj:
+        rev_strs.append(rel_str)
+      return '.'.join(rev_strs)