Merge pull request #2483 from plotly/master-2.9.2

Master 2.9.2

CHANGELOG.md

@@ -2,6 +2,14 @@
 All notable changes to `dash` will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/).
 
+## [2.9.2] - 2023-03-29
+
+## Fixed
+
+- [#2479](https://github.com/plotly/dash/pull/2479) Fix `KeyError` "Callback function not found for output [...], , perhaps you forgot to prepend the '@'?" issue when using duplicate callbacks targeting the same output. This issue would occur when the app is restarted or when running with multiple `gunicorn` workers.
+- [#2471](https://github.com/plotly/dash/pull/2471) Fix `allow_duplicate` output with clientside callback, fix [#2467](https://github.com/plotly/dash/issues/2467)
+- [#2473](https://github.com/plotly/dash/pull/2473) Fix background callbacks with different outputs but same function, fix [#2221](https://github.com/plotly/dash/issues/2221)
+
 ## [2.9.1] - 2023-03-17
 
 ## Fixed

components/dash-core-components/package.json

@@ -1,6 +1,6 @@
 {
   "name": "dash-core-components",
-  "version": "2.9.0",
+  "version": "2.9.1",
   "description": "Core component suite for Dash",
   "repository": {
     "type": "git",
@@ -102,6 +102,6 @@
     "react-dom": ">=16"
   },
   "browserslist": [
-    "last 7 years and not dead"
+    "last 8 years and not dead"
   ]
 }

components/dash-html-components/package.json

@@ -1,6 +1,6 @@
 {
   "name": "dash-html-components",
-  "version": "2.0.9",
+  "version": "2.0.10",
   "description": "Vanilla HTML components for Dash",
   "main": "lib/index.js",
   "repository": {
@@ -33,11 +33,11 @@
     "react-dom": "^17.0.2"
   },
   "devDependencies": {
-    "@babel/cli": "^7.19.3",
-    "@babel/core": "^7.19.6",
-    "@babel/preset-env": "^7.19.4",
+    "@babel/cli": "^7.21.0",
+    "@babel/core": "^7.21.3",
+    "@babel/preset-env": "^7.20.2",
     "@babel/preset-react": "^7.18.6",
-    "babel-loader": "^8.2.5",
+    "babel-loader": "^9.1.2",
     "cheerio": "^0.22.0",
     "cross-env": "^7.0.3",
     "es-check": "^7.0.1",
@@ -48,7 +48,7 @@
     "react-docgen": "^5.4.3",
     "request": "^2.88.2",
     "string": "^3.3.3",
-    "webpack": "^5.76.2",
+    "webpack": "^5.76.3",
     "webpack-cli": "^4.10.0"
   },
   "files": [
@@ -59,6 +59,6 @@
     "react-dom": ">=17"
   },
   "browserslist": [
-    "last 7 years and not dead"
+    "last 8 years and not dead"
   ]
 }

components/dash-table/package.json

@@ -1,6 +1,6 @@
 {
   "name": "dash-table",
-  "version": "5.2.3",
+  "version": "5.2.4",
   "description": "Dash table",
   "repository": {
     "type": "git",
@@ -124,6 +124,6 @@
     "npm": ">=6.1.0"
   },
   "browserslist": [
-    "last 7 years and not dead"
+    "last 8 years and not dead"
   ]
 }

dash/_callback.py

@@ -1,4 +1,5 @@
 import collections
+import uuid
 from functools import wraps
 
 import flask
@@ -245,7 +246,7 @@ def insert_callback(
         output, prevent_initial_call, config_prevent_initial_callbacks
     )
 
-    callback_id = create_callback_id(output)
+    callback_id = create_callback_id(output, inputs)
     callback_spec = {
         "output": callback_id,
         "inputs": [c.to_dict() for c in inputs],
@@ -315,7 +316,9 @@ def wrap_func(func):
 
         if long is not None:
             long_key = BaseLongCallbackManager.register_func(
-                func, long.get("progress") is not None
+                func,
+                long.get("progress") is not None,
+                callback_id,
             )
 
         @wraps(func)
@@ -530,18 +533,14 @@ def register_clientside_callback(
     # If JS source is explicitly given, create a namespace and function
     # name, then inject the code.
     if isinstance(clientside_function, str):
-
-        out0 = output
-        if isinstance(output, (list, tuple)):
-            out0 = output[0]
-
-        namespace = f"_dashprivate_{out0.component_id}"
-        function_name = out0.component_property
+        namespace = "_dashprivate_clientside_funcs"
+        # Just make sure every function has a different name if not provided.
+        function_name = uuid.uuid4().hex
 
         inline_scripts.append(
             _inline_clientside_template.format(
-                namespace=namespace.replace('"', '\\"'),
-                function_name=function_name.replace('"', '\\"'),
+                namespace=namespace,
+                function_name=function_name,
                 clientside_function=clientside_function,
             )
         )

dash/_dash_renderer.py

@@ -1,6 +1,6 @@
 import os
 
-__version__ = "1.15.0"
+__version__ = "1.15.1"
 
 _available_react_versions = {"16.14.0", "18.2.0"}
 _available_reactdom_versions = {"16.14.0", "18.2.0"}
@@ -64,7 +64,7 @@ def _set_react_version(v_react, v_reactdom=None):
     {
         "relative_package_path": "dash-renderer/build/dash_renderer.min.js",
         "dev_package_path": "dash-renderer/build/dash_renderer.dev.js",
-        "external_url": "https://unpkg.com/dash-renderer@1.15.0"
+        "external_url": "https://unpkg.com/dash-renderer@1.15.1"
         "/build/dash_renderer.min.js",
         "namespace": "dash",
     },

dash/_utils.py

@@ -123,15 +123,22 @@ def first(self, *names):
             return next(iter(self), {})
 
 
-def create_callback_id(output):
+def create_callback_id(output, inputs):
     # A single dot within a dict id key or value is OK
     # but in case of multiple dots together escape each dot
     # with `\` so we don't mistake it for multi-outputs
+    hashed_inputs = None
+
     def _concat(x):
+        nonlocal hashed_inputs
         _id = x.component_id_str().replace(".", "\\.") + "." + x.component_property
         if x.allow_duplicate:
+            if not hashed_inputs:
+                hashed_inputs = hashlib.md5(
+                    ".".join(str(x) for x in inputs).encode("utf-8")
+                ).hexdigest()
             # Actually adds on the property part.
-            _id += f"@{uuid.uuid4().hex}"
+            _id += f"@{hashed_inputs}"
         return _id
 
     if isinstance(output, (list, tuple)):