#87 remove version pins for markupsafe, flask and werkzeug

also remove dependency on flask-api

cellxgene_gateway/backend_cache.py

@@ -11,7 +11,7 @@ import time
 from threading import Thread
 from typing import List
 
-from flask_api import status
+from http import HTTPStatus
 
 from cellxgene_gateway import env
 from cellxgene_gateway.cache_entry import CacheEntry, CacheEntryStatus
@@ -53,7 +53,7 @@ class BackendCache:
             return matches[0]
         else:
             raise CellxgeneException(
-                status.HTTP_500_INTERNAL_SERVER_ERROR,
+                HTTPStatus.INTERNAL_SERVER_ERROR,
                 "Found " + str(len(matches)) + " for " + path,
             )
 
@@ -71,7 +71,7 @@ class BackendCache:
             return matches[0]
         else:
             raise CellxgeneException(
-                status.HTTP_500_INTERNAL_SERVER_ERROR,
+                HTTPStatus.INTERNAL_SERVER_ERROR,
                 "Found " + str(len(matches)) + " for " + key.dataset,
             )
 

cellxgene_gateway/dir_util.py

@@ -9,8 +9,6 @@
 
 import os
 
-from flask_api import status
-
 from cellxgene_gateway import env
 from cellxgene_gateway.cellxgene_exception import CellxgeneException
 

cellxgene_gateway/subprocess_backend.py

@@ -10,7 +10,7 @@
 import logging
 import subprocess
 
-from flask_api import status
+from http import HTTPStatus
 
 from cellxgene_gateway.cache_entry import CacheEntryStatus
 from cellxgene_gateway.dir_util import make_annotations
@@ -76,10 +76,10 @@ class SubprocessBackend:
                     or "Could not open file" in stderr
                 ):
                     message = "File was invalid."
-                    http_status = status.HTTP_400_BAD_REQUEST
+                    http_status = HTTPStatus.BAD_REQUEST
                 else:
                     message = "Cellxgene failed to launch dataset."
-                    http_status = status.HTTP_500_INTERNAL_SERVER_ERROR
+                    http_status = HTTPStatus.INTERNAL_SERVER_ERROR
 
                 cache_entry.status = CacheEntryStatus.error
                 cache_entry.set_error(message, stderr, http_status)