ED/EDMarketConnector
1
0
Fork 0
mirror of https://github.com/EDCD/EDMarketConnector.git synced 2025-04-21 11:27:38 +03:00
Code Issues Projects Releases Wiki Activity

Re-engineering of EDMC.py version update check

Browse Source 
* Uses semantic_version.
* Filters on sparkle:os.
* Catches specific exceptions.
This commit is contained in:
Athanasius 2020-07-17 13:05:30 +01:00
parent af1c313dc3
commit 1ee8756983
1 changed files with 35 additions and 13 deletions

48
EDMC.py

@ -16,6 +16,7 @@ from os.path import dirname, getmtime, join
from time import time, sleep
from xml.etree import ElementTree
import re
import semantic_version
import l10n
l10n.Translations.install_dummy()
@ -62,21 +63,42 @@ try:
args = parser.parse_args()
if args.version:
latest = ''
newversion = None
try:
# Copied from update.py - probably should refactor
update_feed = 'https://ed.miggy.org/misc/semvertest-appcast.xml'
r = requests.get(update_feed, timeout = 10)
feed = ElementTree.fromstring(r.text)
items = dict([(item.find('enclosure').attrib.get('{http://www.andymatuschak.org/xml-namespaces/sparkle}version'),
item.find('title').text) for item in feed.findall('channel/item')])
lastversion = sorted(items, key=versioncmp)[-1]
if versioncmp(lastversion) > versioncmp(appversion):
latest = items[lastversion]
except Exception as e:
sys.stderr.write('Exception in version check: {}'.format(str(e)))
#pass # Quietly suppress timeouts etc.
if latest:
print('{CURRENT} ({UPDATE} is available)'.format(CURRENT=appversion, UPDATE=latest))
except requests.RequestException as ex:
sys.stderr.write('Error retrieving update_feed file: {}\n'.format(str(ex)))
else:
try:
feed = ElementTree.fromstring(r.text)
except SyntaxError as ex:
sys.stderr.write('Syntax error in update_feed file: {}\n'.format(str(ex)))
else:
# Want to make items['<version>'] = {'os': '...', 'title': '...' }
items = dict(
[
(
item.find('enclosure').attrib.get('{http://www.andymatuschak.org/xml-namespaces/sparkle}version'),
{'title': item.find('title').text,
'os': item.find('enclosure').attrib.get('{http://www.andymatuschak.org/xml-namespaces/sparkle}os'),
}
) for item in feed.findall('channel/item')
]
)
# Filter on the sparkle:os attribute
os_map = {'darwin': 'macos', 'win32': 'windows', 'linux': 'linux'} # Map sys.platform to sparkle:os
items = { k:v for (k,v) in items.items() if v['os'] == os_map[sys.platform]}
# Look for any remaining version greater than appversion
simple_spec = semantic_version.SimpleSpec('>' + appversion)
newversion = simple_spec.select([semantic_version.Version.coerce(x) for x in items])
if newversion:
print('{CURRENT} ("{UPDATE}" is available)'.format(
CURRENT=appversion,
UPDATE=items[str(newversion)]['title']))
else:
print(appversion)
sys.exit(EXIT_SUCCESS)