Merge remote-tracking branch 'origin/dev'

Author: Marc-André Rivet

.circleci/config.yml

@@ -5,12 +5,18 @@ jobs:
   percy-finalize:
     docker:
       - image: percyio/agent
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
     steps:
       - run: percy finalize --all
 
   artifacts:
     docker:
       - image: circleci/python:3.7.6-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
         environment:
           PYVERSION: python37
     steps:
@@ -28,6 +34,9 @@ jobs:
     working_directory: ~/dash
     docker:
       - image: circleci/python:3.7.6-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
         environment:
           PYLINTRC: .pylintrc37
           PYVERSION: python37
@@ -65,6 +74,9 @@ jobs:
       <<: *lint-unit
       docker:
         - image: circleci/python:3.6.9-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PYLINTRC: .pylintrc
             PYVERSION: python36
@@ -73,6 +85,9 @@ jobs:
       <<: *lint-unit
       docker:
         - image: circleci/python:2.7.18-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PYLINTRC: .pylintrc
             PYVERSION: python27
@@ -81,6 +96,9 @@ jobs:
     working_directory: ~/dash
     docker:
       - image: circleci/python:3.7.6-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
         environment:
           PYVERSION: python37
     steps:
@@ -116,20 +134,29 @@ jobs:
       <<: *build-core
       docker:
         - image: circleci/python:3.6.9-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PYVERSION: python36
 
   build-core-27:
       <<: *build-core
       docker:
         - image: circleci/python:2.7.18-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PYVERSION: python27
 
   build-misc-37: &build-misc
     working_directory: ~/dash
     docker:
       - image: circleci/python:3.7.6-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
         environment:
           PYVERSION: python37
 
@@ -166,17 +193,23 @@ jobs:
       <<: *build-misc
       docker:
         - image: circleci/python:3.6.9-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PYVERSION: python36
 
   build-misc-27:
       <<: *build-misc
       docker:
         - image: circleci/python:2.7.18-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PYVERSION: python27
 
-  build-windows-37: &build-windows
+  build-windows-37:
     working_directory: ~/dash
     executor:
       name: win/default
@@ -186,37 +219,21 @@ jobs:
     steps:
       - checkout
       - run: echo $PYVERSION > ver.txt
-      - restore_cache:
-          key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
-      - run:
-          name: ️️🏗️ pip dev requirements
-          command: |
-            pip install --upgrade virtualenv
-            virtualenv venv
-            source venv/Scripts/activate
-            sed -i '/dash-/d' requires-install.txt
-            pip install -e . --no-cache-dir -r requires-install.txt -r requires-dev.txt -r requires-testing.txt --progress-bar off
-      - save_cache:
-          key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
-          paths:
-              - venv
       - run:
           name: ️️🏗️ build core
           command: |
-              source venv/Scripts/activate && pip install --no-cache-dir --upgrade -e . --progress-bar off && mkdir packages
+              pip install --no-cache-dir --upgrade -e .[dev,testing] --progress-bar off
               cd dash-renderer && renderer build && python setup.py sdist && mv dist/* ../packages/ && cd ..
               git clone --depth 1 https://github.com/plotly/dash-core-components.git
-              cd dash-core-components && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/  && cd ..
-              ls -la packages
-      - persist_to_workspace:
-          root: ~/dash
-          paths:
-            - packages/*.tar.gz
+              cd dash-core-components && npm ci && npm run build && python setup.py sdist && cd ..
 
   build-dashr:
     working_directory: ~/dashr
     docker:
       - image: plotly/dashr:ci
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
         environment:
           PERCY_PARALLEL_TOTAL: -1
           PYVERSION: python37
@@ -325,6 +342,9 @@ jobs:
     working_directory: ~/dash
     docker:
       - image: circleci/python:3.7.6-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
         environment:
           PERCY_PARALLEL_TOTAL: -1
           PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: True
@@ -367,6 +387,9 @@ jobs:
       <<: *test
       docker:
         - image: circleci/python:3.6.9-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PERCY_ENABLE: 0
             PYVERSION: python36
@@ -375,6 +398,9 @@ jobs:
       <<: *test
       docker:
         - image: circleci/python:2.7.18-stretch-node-browsers
+          auth:
+            username: dashautomation
+            password: $DASH_PAT_DOCKERHUB
           environment:
             PERCY_ENABLE: 0
             PYVERSION: python27
@@ -383,20 +409,28 @@ workflows:
   version: 2
   python3.7:
     jobs:
-      - lint-unit-37
-      - build-core-37
-      - build-windows-37
-      - build-misc-37
-      - build-dashr
+      - lint-unit-37:
+          context: dash-docker-hub
+      - build-core-37:
+          context: dash-docker-hub
+      - build-windows-37:
+          context: dash-docker-hub
+      - build-misc-37:
+          context: dash-docker-hub
+      - build-dashr:
+          context: dash-docker-hub
       - test-37:
+          context: dash-docker-hub
           requires:
             - build-core-37
             - build-misc-37
       - percy-finalize:
+          context: dash-docker-hub
           requires:
             - build-dashr
             - test-37
       - artifacts:
+          context: dash-docker-hub
           requires:
             - percy-finalize
           filters:
@@ -409,19 +443,27 @@ workflows:
 
   python3.6:
     jobs:
-      - lint-unit-36
-      - build-core-36
-      - build-misc-36
+      - lint-unit-36:
+          context: dash-docker-hub
+      - build-core-36:
+          context: dash-docker-hub
+      - build-misc-36:
+          context: dash-docker-hub
       - test-36:
+          context: dash-docker-hub
           requires:
             - build-core-36
             - build-misc-36
   python2.7:
     jobs:
-      - lint-unit-27
-      - build-core-27
-      - build-misc-27
+      - lint-unit-27:
+          context: dash-docker-hub
+      - build-core-27:
+          context: dash-docker-hub
+      - build-misc-27:
+          context: dash-docker-hub
       - test-27:
+          context: dash-docker-hub
           requires:
             - build-core-27
             - build-misc-27

.gitignore

@@ -64,7 +64,6 @@ node_modules/
 .npm
 npm-debug*
 
-dash_renderer/
 dash_generator_test_component_standard/
 dash_generator_test_component_nested/
 dash_test_components/

CHANGELOG.md

@@ -2,6 +2,15 @@
 All notable changes to `dash` will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/).
 
+## [1.17.0] - 2020-10-29
+### Changed
+- [#1442](https://github.com/plotly/dash/pull/1442) Update from React 16.13.0 to 16.14.0
+### Fixed
+- [#1434](https://github.com/plotly/dash/pull/1434) Fix [#1432](https://github.com/plotly/dash/issues/1432) for Julia to import non-core component packages without possible errors.
+
+### Changed
+- [#1448](https://github.com/plotly/dash/pull/1448) Provide a hint in the callback error when the user forgot to make `app.callback(...)` a decorator.
+
 ## [1.16.3] - 2020-10-07
 ### Fixed
 - [#1426](https://github.com/plotly/dash/pull/1426) Fix a regression caused by `flask-compress==1.6.0` causing performance degradation on server requests

CONTRIBUTING.md

@@ -9,8 +9,10 @@ Glad that you decided to make your contribution in Dash, to set up your developm
 $ git clone https://github.com/plotly/dash
 $ cd dash
 $ python3 -m venv .venv/dev
-# activate the virtualenv (on windows .venv\dev\scripts\activate)
-$ . .venv/dev/bin/activate
+# activate the virtualenv
+# on windows `.venv\dev\scripts\activate`
+# on some linux / mac environments, use `.` instead of `source`
+$ source .venv/dev/bin/activate
 # install dash and dependencies
 $ pip install -e .[testing,dev]  # in some shells you need \ to escape []
 $ cd dash-renderer
@@ -23,7 +25,7 @@ $ pip install -e .
 # build and install components used in tests
 $ cd .. # should be back in dash/ root directory
 $ npm install
-$ npm run setup-tests
+$ npm run setup-tests.py # or npm run setup-tests.R
 # you should see both dash and dash-renderer are pointed to local source repos
 $ pip list | grep dash
 ```

README.md

@@ -8,7 +8,7 @@
 [![LGTM Alerts](https://img.shields.io/lgtm/alerts/g/plotly/dash.svg)](https://lgtm.com/projects/g/plotly/dash/alerts)
 [![LGTM Grade](https://img.shields.io/lgtm/grade/python/g/plotly/dash.svg)](https://lgtm.com/projects/g/plotly/dash/context:python)
 
-#### *Dash is a Python framework for building analytical web applications. No JavaScript required*.
+#### *Dash is the most downloaded, trusted Python framework for building ML & data science web apps*.
 
 Built on top of Plotly.js, React and Flask, Dash ties modern UI elements like dropdowns, sliders, and graphs directly to your analytical Python code. Read our tutorial proudly crafted ❤️ by Dash itself.
 
@@ -18,6 +18,8 @@ Built on top of Plotly.js, React and Flask, Dash ties modern UI elements like dr
 
 - [Dash Docs on Heroku](https://dash-docs.herokuapp.com/) (for corporate network that cannot access plotly.com)
 
+- [Open-Source App Gallery](https://dash-gallery.plotly.host/Portal/) With sample code and templates!
+
 ### App Samples
 
 | App | Description |
@@ -29,14 +31,31 @@ Built on top of Plotly.js, React and Flask, Dash ties modern UI elements like dr
 
 To learn more about Dash, read the [extensive announcement letter](https://medium.com/@plotlygraphs/introducing-dash-5ecf7191b503) or [jump in with the user guide](https://plotly.com/dash).
 
-### Contact and Support
+### Dash OSS & Dash Enterprise
+
+With Dash Open Source, Dash apps run on your local laptop or workstation, but cannot be easily accessed by others in your organization.
+
+Scale up with Dash Enterprise when your Dash app is ready for department or company-wide consumption. Or, launch your initiative with Dash Enterprise from the start to unlock developer productivity gains and hands-on acceleration from Plotly's team.
+
+ML Ops Features: A one-stop shop for ML Ops: Horizontally scalable hosting, deployment, and authentication for your Dash apps. No IT or DevOps required. 
+- [**App manager**](https://plotly.com/dash/app-manager/) Deploy & manage Dash apps without needing IT or a DevOps team. App Manager gives you point & click control over all aspects of your Dash deployments.
+- [**Kubernetes scaling**](https://plotly.com/dash/kubernetes/) Ensure high availability of Dash apps and scale horizontally with Dash Enterprise’s Kubernetes architecture. No IT or Helm required. 
+- [**No code auth**](https://plotly.com/dash/authentication/) Control Dash app access in a few clicks. Dash Enterprise supports LDAP, AD, PKI, Okta, SAML, OpenID Connect, OAuth, SSO, and simple email authentication.
+- [**Job Queue**](https://plotly.com/dash/job-queue/) The Job Queue is the key to building scalable Dash apps. Move heavy computation from synchronous Dash callbacks to the Job Queue for asynchronous background processing.
+
+Low-Code Features: Low-code Dash app capabilities that supercharge developer productivity.
+- [**Design Kit**](https://plotly.com/dash/design-kit/) Design like a pro without writing a line of CSS. Easily arrange, style, brand, and customize your Dash apps.
+- [**Snapshot Engine**](https://plotly.com/dash/snapshot-engine/) Save & share Dash app views as links or PDFs. Or, run a Python job through Dash and have Snapshot Engine email a report when the job is done.
+- [**Dashboard Toolkit**](https://plotly.com/dash/toolkit/) Drag & drop layouts, chart editing, and crossfilter for your Dash apps.
+- [**Embedding**](https://plotly.com/dash/embedding/) Natively embed Dash apps in an existing web application or website without the use of IFrames.
 
-For companies with software budgets, Plotly offers
+Enterprise AI Features: Everything that your data science team needs to rapidly deliver AI/ML research and business initiatives.
+- [**AI App Marketplace**](https://plotly.com/dash/ai-and-ml-templates/) Dash Enterprise ships with dozens of Dash app templates for business problems where AI/ML is having the greatest impact.
+- [**Big Data for Pything**](https://plotly.com/dash/big-data-for-python/) Connect to Python's most popular big data back ends: Dask, Databricks, NVIDIA RAPIDS, Snowflake, Postgres, Vaex, and more.
+- [**GPU & Dask Acceleration**](https://plotly.com/dash/gpu-dask-acceleration/) Dash Enterprise puts Python’s most popular HPC stack for GPU and parallel CPU computing in the hands of business users.
+- [**Data Science Workspaces**](https://plotly.com/dash/workspaces/) Be productive from Day 1. Write and execute Python, R, & Julia code from Dash Enterprise's onboard code editor.
 
-- [**Dash Deployment Server**](https://plotly.com/products/dash/) speeds your time-to-delivery while providing the right resources, security, and scalability you need to deliver production-quality apps
-- [**Dash Design Kit**](https://plotly.com/products/dash/) makes your internal dashboard awesome without expertise in JavaScript & CSS.
-- [**Snapshot Engine**](https://plotly.com/products/dash/) seamlessly links your analytics and reporting workflows together, giving you a fast way to generate interactive reports of just the data you need
 
-See [https://plotly.com/dash/support](https://plotly.com/dash/support) for ways to get in touch.
+See [https://plotly.com/contact-us/](https://plotly.com/contact-us/) to get in touch.
 
-![image](https://user-images.githubusercontent.com/1280389/30084008-9fbc68fc-925e-11e7-891c-18a9b8f6ac6b.png)
+![image](https://images.prismic.io/plotly-marketing-website/493eec39-8467-4610-b9d0-d6ad3ea61423_Dash+Open+source%2BDash+enterprise2-01.jpg?auto=compress,format)