add bitbucket support

README.rst

@@ -120,8 +120,18 @@ branch
 
 An environment variable ``NVCHECKER_GITHUB_TOKEN`` can be set to a GitHub OAuth token in order to request more frequently than anonymously.
 
+Check BitBucket
+---------------
+Check `BitBucket <https://bitbucket.org/>`_ for updates. The version returned is in date format ``%Y%m%d``, e.g. ``20130701``.
+
+bitbucket
+  The bitbucket repository, with author, e.g. ``lilydjwg/dotvim``.
+
+branch
+  Which branch to track? Default is the repository's default.
+
 Check GitCafe
-------------
+-------------
 Check `GitCafe <https://gitcafe.com/>`_ for updates. The version returned is in date format ``%Y%m%d``, e.g. ``20130701``.
 
 gitcafe

nvchecker/get_version.py

@@ -4,7 +4,7 @@ from importlib import import_module
 logger = logging.getLogger(__name__)
 handler_precedence = (
   'github', 'gitcafe', 'aur', 'pypi', 'archpkg', 'gems', 'pacman',
-  'cmd', 'gcode_hg', 'gcode_svn', 'regex', 'manual', 'vcs'
+  'cmd', 'bitbucket', 'gcode_hg', 'gcode_svn', 'regex', 'manual', 'vcs',
 )
 
 def get_version(name, conf, callback):

nvchecker/source/bitbucket.py

@@ -0,0 +1,21 @@
+import os
+import json
+from functools import partial
+
+from tornado.httpclient import AsyncHTTPClient, HTTPRequest
+
+# doc: https://confluence.atlassian.com/display/BITBUCKET/commits+or+commit+Resource
+BITBUCKET_URL = 'https://bitbucket.org/api/2.0/repositories/%s/commits/%s'
+
+def get_version(name, conf, callback):
+  repo = conf.get('bitbucket')
+  br = conf.get('branch', '')
+  url = BITBUCKET_URL % (repo, br)
+  request = HTTPRequest(url, user_agent='lilydjwg/nvchecker')
+  AsyncHTTPClient().fetch(request,
+                          callback=partial(_bitbucket_done, name, callback))
+
+def _bitbucket_done(name, callback, res):
+  data = json.loads(res.body.decode('utf-8'))
+  version = data['values'][0]['date'].split('T', 1)[0].replace('-', '')
+  callback(name, version)