From da1150d7af3ea6d8de535aff8c196897ca788e2e Mon Sep 17 00:00:00 2001
From: reivilibre <38398653+reivilibre@users.noreply.github.com>
Date: Mon, 10 Dec 2018 16:47:48 +0000
Subject: [PATCH] Fixes inability to sync with beta versions of Anki

The version string for '2.1.6-beta2' is reported as '2.1.6-' which
causes a problem when trying to parse '6-' as an integer.
---
 ankisyncd/sync_app.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ankisyncd/sync_app.py b/ankisyncd/sync_app.py
index 3b07420..043d7f7 100644
--- a/ankisyncd/sync_app.py
+++ b/ankisyncd/sync_app.py
@@ -21,6 +21,7 @@ import json
 import logging
 import os
 import random
+import re
 import string
 import sys
 import time
@@ -63,7 +64,9 @@ class SyncCollectionHandler(anki.sync.Syncer):
                 version = vs[0]
                 note[name] = int(vs[-1])
 
-        version_int = [int(x) for x in version.split('.')]
+        # convert the version string, ignoring non-numeric suffixes like in beta versions of Anki
+        version_nosuffix = re.sub(r'[^0-9.].*$', '', version)
+        version_int = [int(x) for x in version_nosuffix.split('.')]
 
         if client == 'ankidesktop':
             return version_int < [2, 0, 27]