Use GitHub releases API for update checks.

dosagelib/updater.py

@@ -4,19 +4,13 @@ Function to check for updates.
 """
 import os
 import dosagelib
+from dosagelib import configuration
 from .util import urlopen
 from distutils.version import StrictVersion
 import requests
 
-# Use the Freecode submit file as source since that file gets updated
-# only when releasing a new version.
-UPDATE_URL = "https://raw.github.com/wummel/dosage/master/dosage.freecode"
-VERSION_TAG = 'Version:'
-if os.name == 'nt':
-    URL_TAG = 'Windows-installer-URL:'
-else:
-    URL_TAG = 'Source-Package-URL:'
 
+UPDATE_URL = "https://api.github.com/repos/webcomics/dosage/releases/latest"
 
 def check_update ():
     """Return the following values:
@@ -42,14 +36,14 @@ def check_update ():
 def get_online_version ():
     """Download update info and parse it."""
     session = requests.session()
-    page = urlopen(UPDATE_URL, session)
+    page = urlopen(UPDATE_URL, session).json()
     version, url = None, None
-    for line in page.text.splitlines():
-        if line.startswith(VERSION_TAG):
-            version = line.split(':', 1)[1].strip()
-        elif line.startswith(URL_TAG):
-            url = line.split(':', 1)[1].strip()
-            url = url.replace('${version}', version)
+    version = page['tag_name']
+
+    if os.name == 'nt':
+        url = next((x['browser_download_url'] for x in page['assets'] if x['content_type'] == 'application/x-msdos-program'), configuration.Url)
+    else:
+        url = page['tarball_url']
     return version, url