Merge branch 'issue-12-limit-group-description-length' into 'master'

Limit group descriptions to 300 characters.

Closes #12

See merge request !8

gsuitesync/sync.py

@@ -378,13 +378,16 @@ def sync(configuration, *, read_only=True):
     google_group_updates = {}
     google_group_creations = {}
     for groupID, managed_group_entry in managed_group_entries_by_groupID.items():
-        # Form expected group resource fields. Group names and descriptions can have a maximum of
-        # 73 and 4096 characters respectively in Google.
+        # Form expected group resource fields. The 2 Google APIs we use here to update groups in
+        # Google each have different maximum lengths for group names and descriptions, and
+        # empirically the APIs don't function properly if either limit is exceeded, so we use the
+        # minimum of the 2 documented maximum field lengths (73 characters for names and 300
+        # characters for descriptions).
         expected_google_group = {
             'name': _trim_text(
                 managed_group_entry.groupName, maxlen=73, suffix=sync_config.group_name_suffix
             ),
-            'description': _trim_text(managed_group_entry.description, maxlen=4096)
+            'description': _trim_text(managed_group_entry.description, maxlen=300)
         }
 
         # Find existing Google group (if any).