Refactor update creation api

This merge request does the following:

• Raise DRF errors rather than returning response to take advantage of the DRF exception handling mechanism
• Create serialisers for PUT request to simplify the code
• Improve validation checks in several places
• Fixes several issues in DRF infrastructure uses
• Fixes JSON fields handling
• Remove routes that do no fully qualify objects
• Implement a custom DRF exception handler that will allow to log errors
• Improve testing
• Improve permission management

beat/web/libraries/serializers.py

@@ -29,7 +29,9 @@ import beat.core.library
 
 from rest_framework import serializers
 
-from ..code.serializers import CodeSerializer, CodeCreationSerializer
+from ..code.serializers import CodeSerializer
+from ..code.serializers import CodeCreationSerializer
+from ..code.serializers import CodeModSerializer
 
 from ..algorithms.models import Algorithm
 from ..backend.serializers import EnvironmentInfoSerializer
@@ -49,6 +51,15 @@ class LibraryCreationSerializer(CodeCreationSerializer):
 # ----------------------------------------------------------
 
 
+class LibraryModSerializer(CodeModSerializer):
+    class Meta(CodeModSerializer.Meta):
+        model = Library
+        beat_core_class = beat.core.library.Library
+
+
+# ----------------------------------------------------------
+
+
 class ReferenceSerializer(serializers.ModelSerializer):
     name = serializers.CharField(source="fullname")
     accessibility = serializers.SerializerMethodField()