URL encode href before saving to sync.db

When pushing objects, the unencoded uri path would be saved into the
sync.db. The unencoded path and the encoded path from the server would
be seen as two different objects, causing both to be resynced
unnecessarily.

Signed-off-by: Randy Ramos <rramos1295@gmail.com>
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

contrib/caldav/calcurse-caldav.py

@@ -10,6 +10,7 @@ import ssl
 import subprocess
 import sys
 import textwrap
+import urllib.parse
 import xml.etree.ElementTree as etree
 
 
@@ -242,7 +243,7 @@ def push_object(conn, objhash):
             etag = next(iter(etagdict.values()))
     etag = etag.strip('"')
 
-    return (href, etag)
+    return (urllib.parse.quote(href), etag)
 
 
 def push_objects(objhashes, conn, syncdb, etagdict):