added requirements.txt for docker composing

cleaned up packages for frontend to reduce size of load

*  fixed issue where # were added in the rocrate-metadata.json when trying to add annotation to a child node of a file

backend/app/model/rocrategit.py

@@ -414,6 +414,7 @@ def create_blank_node_by_id(self, file_id=str, node_type=str, uri_predicate=str)
                 #add uri predicate to the item with value of nw blacnk node @id
                 item[uri_predicate] = {"@id":new_uuid_blank_node}
                 #write the new graph to the metadata file
+                log.debug(data)
                 self._write_metadata_datacrate(data)
                 return new_blank_node
 
@@ -459,14 +460,9 @@ def add_predicates_by_id(self,toadd_dict_list=list, file_id=str):
         test = shclh.ShapesInfoGraph(path_shacl)
         shacldata = test.full_shacl_graph_dict()
         data = self._read_metadata_datacrate()
-        try:
-            myrocrate = ROCrate(self.storage_path)
-            data_entities = myrocrate.data_entities
-        except Exception as e:
-            log.error(f'error when loading rocrate data via rocrate python lib: {e}')
-            log.exception(e)
-            data_entities = data['@graph']
-            log.debug(data_entities)
+
+        data_entities = data['@graph']
+        log.debug(data_entities)
 
 
         #convert the chacl file to have all the properties per node id
@@ -548,7 +544,7 @@ def add_predicates_by_id(self,toadd_dict_list=list, file_id=str):
             if uri_name not in chacl_URI_list:
                 warnings.append("non shacl defined constraint metadata has been added: "+ uri_name)
 
-            ## implement annotation in the data is found , send warning message is annotation title not found in constraints ##
+        ## implement annotation in the data is found , send warning message is annotation title not found in constraints ##
         ## write back to metadata file and return metadata.json file 
         try:
             myrocrate.write(self.storage_path)

backend/app/routers/APIV1/annotation.py

@@ -56,7 +56,7 @@ class AnnotationModel(BaseModel):
     value    : str = Field(None, description = "Value linked to the URI predicate name chosen")
 
 class BlankModel(BaseModel):
-    URI_predicate_name : str = Field(None, description = "Name of the URI that will be added, must be part of the RO-crate profile provided metadata predicates;")
+    URI_predicate_name : str = Field(None, description = "Name of the URI that will be added, must be part of the RO-crate profile provided metadata predicates")
     node_type : str = Field(None, description = "Type of the node that will be added.")
 
 class AnnotationsModel(BaseModel):