simple gitcafe.com support

README.rst

@@ -120,6 +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 GitCafe
+------------
+Check `GitCafe <https://gitcafe.com/>`_ for updates. The version returned is in date format ``%Y%m%d``, e.g. ``20130701``.
+
+gitcafe
+  The gitcafe repository, with author, e.g. ``Deepin/deepin-music``.
+
+branch
+  Which branch to track? Default: ``master``.
+
+Anonymously only. Authorization is not supported yet.
+
 Check PyPI
 ----------
 Check `PyPI <https://pypi.python.org/>`_ for updates.

nvchecker/source/gitcafe.py

@@ -0,0 +1,23 @@
+import os
+import json
+import re
+from functools import partial
+
+from tornado.httpclient import AsyncHTTPClient, HTTPRequest
+
+GITCAFE_URL = 'https://gitcafe.com/%s/commits/%s'
+gitcafe_pattern = re.compile(r'datetime="([^"]*)"')
+
+def get_version(name, conf, callback):
+  repo = conf.get('gitcafe')
+  br = conf.get('branch', 'master')
+  url = GITCAFE_URL % (repo, br)
+  headers = {'Accept': "text/html"}
+  request = HTTPRequest(url, headers=headers, user_agent='lilydjwg/nvchecker')
+  AsyncHTTPClient().fetch(request, callback=partial(_gitcafe, name, callback))
+
+def _gitcafe(name, callback, res):
+  body = res.body.decode('utf-8')
+  data = gitcafe_pattern.search(body).group(1)
+  version = data.split('T', 1)[0].replace('-', '')
+  callback(name, version)