BUG: setup timezone in deploy

Summary

• Add new class for Timezone.
• Parse the server's time zone in the Info response.
• This is mainly intended for testing (caosdb-server!69 (merged)) and debugging.

Test Environment

See caosdb-pyinttest!43 (merged)

Check List for the Author

• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

src/caosdb/common/models.py

@@ -51,6 +51,7 @@ from caosdb.common.datatype import (BOOLEAN, DATETIME, DOUBLE, INTEGER, TEXT,
                                     is_list_datatype, is_reference)
 from caosdb.common.state import State
 from caosdb.common.utils import uuid, xml2str
+from caosdb.common.timezone import TimeZone
 from caosdb.common.versioning import Version
 from caosdb.configuration import get_config
 from caosdb.connection.connection import get_connection
@@ -4327,6 +4328,8 @@ class Info():
 
             if isinstance(m, UserInfo):
                 self.user_info = m
+            elif isinstance(m, TimeZone):
+                self.time_zone = m
             else:
                 self.messages.append(m)
 
@@ -4460,6 +4463,9 @@ def _parse_single_xml_element(elem):
         return Permissions(xml=elem)
     elif elem.tag == "UserInfo":
         return UserInfo(xml=elem)
+    elif elem.tag == "TimeZone":
+        return TimeZone(zone_id=elem.get("id"), offset=elem.get("offset"),
+                        display_name=elem.text.strip())
     else:
         return Message(type=elem.tag, code=elem.get(
             "code"), description=elem.get("description"), body=elem.text)