Fix update check

It should return assets for all platforms, since the repo tarball is
unsuitable for setuptools_scm. Preferred asset is the universal wheel.

CHANGELOG.md

@@ -6,6 +6,9 @@ The format is based on
 
 ## [Unreleased]
 
+### Fixed
+- Update check now always shows assets instead of the repo tarball.
+
 
 ## [2.16] - 2020-01-12
 

dosagelib/updater.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Copyright (C) 2004-2008 Tristan Seligmann and Jonathan Jacobs
 # Copyright (C) 2012-2014 Bastian Kleineidam
-# Copyright (C) 2015-2019 Tobias Gruetzmacher
+# Copyright (C) 2015-2020 Tobias Gruetzmacher
 
 from __future__ import absolute_import, division, print_function
 
@@ -10,11 +10,15 @@ import os
 from distutils.version import LooseVersion
 
 import dosagelib
-from dosagelib import configuration
 from . import http
 
 
-UPDATE_URL = "https://api.github.com/repos/webcomics/dosage/releases/latest"
+UPDATE_URL = 'https://api.github.com/repos/webcomics/dosage/releases/latest'
+EXTPRIO = {
+    '.exe': 1 if os.name == 'nt' else 9,
+    '.whl': 2,
+    '.gz': 3,
+}
 
 
 def check_update():
@@ -38,20 +42,22 @@ def check_update():
     return True, (version, None)
 
 
+def asset_key(asset):
+    return EXTPRIO.get(os.path.splitext(asset['browser_download_url'])[1], 99)
+
+
 def get_online_version():
     """Download update info and parse it."""
     page = http.default_session.get(UPDATE_URL).json()
     version = page.get('tag_name', None)
 
-    if os.name == 'nt':
-        try:
-            url = next((x['browser_download_url'] for x in page['assets'] if
-                x['content_type'] == 'application/x-msdos-program'),
-                configuration.Url)
-        except KeyError:
-            url = None
-    else:
-        url = page.get('tarball_url', None)
+    url = None
+    try:
+        assets = sorted(page['assets'], key=asset_key)
+        if len(assets) > 0:
+            url = assets[0]['browser_download_url']
+    except KeyError:
+        pass
     return version, url
 
 

tests/test_dosage.py

@@ -6,6 +6,7 @@
 from __future__ import absolute_import, division, print_function
 
 import json
+import os
 import re
 
 import pytest
@@ -46,19 +47,32 @@ class TestDosage(object):
     @responses.activate
     def test_update_available(self, capsys):
         responses.add(responses.GET, re.compile(r'https://api\.github\.com/'),
-            json={'tag_name': '9999.0', 'tarball_url': 'NOWHERE'})
+            json={'tag_name': '9999.0', 'assets': [
+                {'browser_download_url': 'TEST.whl'},
+                {'browser_download_url': 'TEST.exe'},
+            ]})
         cmd_ok('--version', '-v')
         captured = capsys.readouterr()
+        best = 'TEST.exe' if os.name == 'nt' else 'TEST.whl'
+        assert best in captured.out
         assert 'A new version' in captured.out
 
     @responses.activate
     def test_no_update_available(self, capsys):
         responses.add(responses.GET, re.compile(r'https://api\.github\.com/'),
-            json={'tag_name': '1.0', 'tarball_url': 'NOWHERE'})
+            json={'tag_name': '1.0'})
         cmd_ok('--version', '-v')
         captured = capsys.readouterr()
         assert 'Detected local or development' in captured.out
 
+    @responses.activate
+    def test_current(self, capsys):
+        responses.add(responses.GET, re.compile(r'https://api\.github\.com/'),
+            json={'tag_name': dosagelib.__version__})
+        cmd_ok('--version', '-v')
+        captured = capsys.readouterr()
+        assert captured.out.endswith('issues\n')
+
     @responses.activate
     def test_update_broken(self, capsys):
         responses.add(responses.GET, re.compile(r'https://api\.github\.com/'),