Experimental - manual annotations (#837)

* icons, partway

* redux for values

* onChange

* cancel

* annotations lifecycle for category names

* copy categorical

* edit category

* add Dataframe.withColsFrom

* render user annotations; default add/delete annotation category

* add label name to actions

* category name edit

* error checking improvements

* change schema field isUserAnnotation to writable

* always have an unassigned label; implement delete label

* implement add new label and edit label name

* label current cell selection

* fix select exact bug in crossfilter

* clean up categorical reducer

* fix tests

* remove debugging printf

* implement subset/reset for user annotations

* undo redo support for user annotations

* remove duplicate button from categories

* add modal

* remove obsolete duplicate annotation reducers

* remove old debugging printf

* connect modal to annotation create and dup

* initial full-stack wiring

* finish up end-to-end wiring

* fix existing unit tests

* fix pytests to match new schema API

* remove debugging printfs

* add label file rotation

* remove obsolete comment

* add fbs encode/decode tests

* add tests for writable annotations

* simplify code

* fix hashing bug with FBS encoding

* lint

* fix smoke tests

* improve error checking in Dataframe.withColsFrom

* add unit test for Dataframe.withColsFrom

* add unit test for Dataframe.columns and Dataframe.renameCol

* fix bug in FBS encode, add better error checks, refactor

* add FBS encode/decode test

* add clarifying comment

* clean up action type names; fix state inconsistency in crossfilter update

* change autosave timer to 2.5sec

* sort categorical metadata render order so it remains consistent

* add temporary autogenerated label for add-new-label operation

* fix hover-over label menu interference with cell highlighting

* remove debugging code

* add missing reducer cases & fix typo

* make dataframe memoize more general purpose

* add dev mode for annos

* fix error on select duplicate

* handle zero occupancy categories

* correctly maintain unclipped AND clipped world

* correctly handle zero length FBS matrix and label files

* ensure all writable categorical schema contains an unassigned category

* handle case where building occupancy stack for category with no members

* dialog for creating label, disable button if duplicate or empty

* visually separate writeable

* edit category

* fix edit category name

* remove debugging code

* fix edit annotation label

* visually define unassigned, change options

* Pull in requirements.txt from `master`

* label currently selected cells

* duplicate label

* lint

* fix pytest merge issues

* rename --label-file to --experimental-label-file

* remove debugging console log

* spelling error fix; fix bug found in PR review.

* lint

server/app/rest_api/rest.py

@@ -1,5 +1,6 @@
 from http import HTTPStatus
 import warnings
+from os.path import basename
 
 from flask import Blueprint, current_app, jsonify, make_response, request
 from flask_restful import Api, Resource
@@ -16,6 +17,7 @@ from server.app.util.errors import (
     InteractiveError,
     JSONEncodingValueError,
     PrepareError,
+    DisabledFeatureError,
 )
 
 """
@@ -29,7 +31,7 @@ Sort order for routes
 class SchemaAPI(Resource):
     def get(self):
         return make_response(
-            jsonify({"schema": current_app.data.schema}), HTTPStatus.OK
+            jsonify({"schema": current_app.data.get_schema()}), HTTPStatus.OK
         )
 
 
@@ -72,6 +74,11 @@ class ConfigAPI(Resource):
                 }
             }
         }
+
+        label_file = current_app.data.config["label_file"]
+        if label_file:
+            config["config"]["parameters"]["label_file"] = basename(label_file)
+
         return make_response(jsonify(config), HTTPStatus.OK)
 
 
@@ -93,6 +100,18 @@ class AnnotationsObsAPI(Resource):
         except ValueError as e:
             return make_response(str(e), HTTPStatus.INTERNAL_SERVER_ERROR)
 
+    def put(self):
+        try:
+            fbs = request.get_data()
+            res = current_app.data.annotation_put_fbs("obs", fbs)
+            return make_response(
+                res, HTTPStatus.OK, {"Content-Type": "application/json"}
+            )
+        except (ValueError, DisabledFeatureError, KeyError) as e:
+            return make_response(str(e), HTTPStatus.BAD_REQUEST)
+        except Exception as e:
+            return make_response(str(e), HTTPStatus.INTERNAL_SERVER_ERROR)
+
 
 class AnnotationsVarAPI(Resource):
     def get(self):