Fixed ds.visualize for local datasets. (#3039)

* Fixed ds.visualize for local datasets.

* Bump deeplake version.

Author: khustup2

deeplake/__init__.py

@@ -91,7 +91,7 @@
 ]
 
 
-__version__ = "3.9.42"
+__version__ = "3.9.43"
 warn_if_update_required(__version__)
 __encoded_version__ = np.array(__version__)
 config = {"s3": Config(max_pool_connections=50, connect_timeout=300, read_timeout=300)}

deeplake/visualizer/visualizer.py

@@ -186,8 +186,16 @@ def access_creds(path: str):
     return Response("", 404)
 
 
-@_APP.route("/<path:path>")
+@_APP.route("/<path:path>", methods=["GET", "HEAD", "OPTIONS"])
 def access_data(path: str):
+    if request.method == "OPTIONS":
+        # Handle preflight request
+        response = Response("", 200)
+        response.headers.add("Access-Control-Allow-Origin", "*")
+        response.headers.add("Access-Control-Allow-Methods", "GET, HEAD, OPTIONS")
+        response.headers.add("Access-Control-Allow-Headers", "*")
+        return response
+
     try:
         paths = path.split("/", 1)
         range_header = request.headers.get("Range", None)

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "deeplake"
-version = "3.9.42"
+version = "3.9.43"
 description = "Activeloop Deep Lake"
 authors = ["activeloop.ai <[email protected]>"]
 license = "MPL-2.0"