F fix comparison

Summary

This is a fix for #94 (closed). These comparisons might be needed in the new crawler framework. Please review whether the suggested amendment could potentially break other things.

Test Environment

There are unit tests supplied with this merge request.

Check List for the Author

• All automated tests pass
• Reference related Issues
• Up-to-date CHANGELOG.md
• Add type hints in created/changed code
• 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
• 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 spezifications? Are they satisfied?

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

src/caosdb/apiutils.py

 # -*- coding: utf-8 -*-
 #
-# ** header v3.0
 # This file is a part of the CaosDB Project.
 #
 # Copyright (C) 2018 Research Group Biomedical Physics,
 # Max-Planck-Institute for Dynamics and Self-Organization Göttingen
 # Copyright (C) 2020 Timm Fitschen <t.fitschen@indiscale.com>
-# Copyright (C) 2020 IndiScale GmbH <info@indiscale.com>
+# Copyright (C) 2020-2022 IndiScale GmbH <info@indiscale.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as
@@ -109,7 +108,7 @@ def retrieve_entities_with_ids(entities):
     for i in range(len(entities)//step+1):
         collection.extend(
             execute_query(
-               create_id_query(entities[i*step:(i+1)*step])))
+                create_id_query(entities[i*step:(i+1)*step])))
 
     return collection
 
@@ -561,6 +560,7 @@ def getCommitIn(folder):
 COMPARED = ["name", "role", "datatype", "description", "importance",
             "id", "path", "checksum", "size"]
 
+
 def compare_entities(old_entity: Entity, new_entity: Entity):
     """
     Compare two entites.
@@ -613,7 +613,7 @@ def compare_entities(old_entity: Entity, new_entity: Entity):
 
             if new_entity_attr_exists:
                 newdiff[attr] = newattr
-                
+
     # properties
 
     for prop in old_entity.properties:
@@ -653,7 +653,8 @@ def compare_entities(old_entity: Entity, new_entity: Entity):
                 olddiff["properties"].pop(prop.name)
 
         else:
-            raise NotImplementedError("Comparison not implemented for multi-properties.")
+            raise NotImplementedError(
+                "Comparison not implemented for multi-properties.")
 
     for prop in new_entity.properties:
         if len([0 for p in old_entity.properties if p.name == prop.name]) == 0: