Merge branch 'develop' into tim/FormProto

* develop: (21 commits)
  Remove depressing emojis (streamlit#2565)
  Go back to v1 metrics. (streamlit#2572)
  Up version to 0.74.1
  Revert "Upgrade react-hotkeys (streamlit#2525)"
  Revert "Upgrade react-markdown (streamlit#2527)"
  Revert "Revert "Deploy button py (streamlit#2535)""
  Revert "Deploy button py (streamlit#2535)"
  Update change log
  Update notices
  Up version to 0.74.0
  Update instructions placement on number input (streamlit#2549)
  Fix broken url (streamlit#2540)
  Deploy button front (streamlit#2552)
  Bump camelcase from 5.3.1 to 6.2.0 in /frontend (streamlit#2558)
  Fix block-container styles for sidebar (streamlit#2551)
  Bump @types/lodash from 4.14.165 to 4.14.167 in /frontend (streamlit#2550)
  Bump axios from 0.19.2 to 0.21.1 in /frontend (streamlit#2548)
  Remove deprecation message + add config expiration (streamlit#2546)
  Deploy button py (streamlit#2535)
  Remove aws-sdk (streamlit#2545)
  ...

.gitignore

@@ -27,6 +27,7 @@ cffi_bin
 
 # Pyenv Stuff
 .python-version
+venv
 
 # Autogenerated Protobufs
 lib/streamlit/proto/*_pb2.py

docs/changelog.md

@@ -16,6 +16,17 @@ This page lists highlights, bug fixes, and known issues for official Streamlit r
       $ pip install --upgrade streamlit
 ```
 
+## Version 0.74.0
+
+_Release date: January 6, 2021_
+
+**Notable Changes**
+
+- 💾 [`st.file_uploader`](https://docs.streamlit.io/en/0.74.0/api.html#streamlit.file_uploader). has been stabilized and the deprecation warning
+  and associated configuration option (`deprecation.showfileUploaderEncoding`) has been removed.
+- 📊 [`st.bokeh_chart`](https://docs.streamlit.io/en/0.74.0/api.html#streamlit.bokeh_chart) is no longer duplicated when the page loads.
+- 🎈 Fixed page icon to support emojis with variants (i.e. 🤦‍♀️ vs 🤦🏼‍♀️) or dashes (i.e 🌙 - crescent-moon).
+
 ## Version 0.73.0
 
 _Release date: December 17, 2020_
@@ -26,7 +37,7 @@ _Release date: December 17, 2020_
   yet compatible with Python 3.9 and must use version 3.8 or earlier.
 - 🧱 Streamlit Components now allows same origin, enabling features provided by
   the browser such as a webcam component.
-- 🐙 Fix Streamlit Share deploy experience for users running on Git versions
+- 🐙 Fix Streamlit sharing deploy experience for users running on Git versions
   2.7.0 or earlier.
 - 🧰 Handle unexpected closing of uploaded files for [`st.file_uploader`](https://docs.streamlit.io/en/0.72.0/api.html#streamlit.file_uploader).
 

docs/getting_started.md

@@ -40,7 +40,7 @@ First, we'll create a new Python script and import Streamlit.
    .. tip::
       Did you know you can also pass a URL to `streamlit run`? This is great when combined with Github Gists. For example:
 
-      `$ streamlit run https://raw.githubusercontent.com/streamlit/demo-uber-nyc-pickups/master/app.py`
+      `$ streamlit run https://raw.githubusercontent.com/streamlit/demo-uber-nyc-pickups/master/streamlit_app.py`
    ```
 
 4. You can kill the app at any time by typing **Ctrl+c** in the terminal.

docs/installation.md

@@ -69,7 +69,7 @@ Streamlit.
    .. tip::
       Did you know you can also pass a URL to `streamlit run`? This is great when combined with Github Gists. For example:
 
-      `$ streamlit run https://raw.githubusercontent.com/streamlit/demo-uber-nyc-pickups/master/app.py`
+      `$ streamlit run https://raw.githubusercontent.com/streamlit/demo-uber-nyc-pickups/master/streamlit_app.py`
    ```
 
 4. You can kill the app at any time by typing **Ctrl+c** in the terminal.

docs/main_concepts.md

@@ -29,7 +29,7 @@ are available to you.
    You can also pass a URL to `streamlit run`! This is great when combined with
    Github Gists. For example:
 
-   `$ streamlit run https://raw.githubusercontent.com/streamlit/demo-uber-nyc-pickups/master/app.py`
+   `$ streamlit run https://raw.githubusercontent.com/streamlit/demo-uber-nyc-pickups/master/streamlit_app.py`
 ```
 
 ## Development flow

docs/streamlit_configuration.md

@@ -84,7 +84,7 @@ Shows all config options available for Streamlit, including their current
 values:
 
 ```bash
-# last updated 2020-12-03
+# last updated 2021-01-04
 
 [global]
 
@@ -226,10 +226,6 @@ token = ""
 
 [deprecation]
 
-# Set to false to disable the deprecation warning for the file uploader encoding.
-# Default: "True"
-showfileUploaderEncoding = "True"
-
 # Set to false to disable the deprecation warning for the image format parameter.
 # Default: "True"
 showImageFormat = "True"

docs/troubleshooting/sanity-checks.md

@@ -35,7 +35,7 @@ pip install --upgrade streamlit
 streamlit version
 ```
 
-...and then verify that the version number printed is `0.73.1`.
+...and then verify that the version number printed is `0.74.1`.
 
 **Try reproducing the issue now.** If not fixed, keep reading on.
 

e2e/scripts/st_file_uploader.py

@@ -14,14 +14,12 @@
 
 import streamlit as st
 
-st.set_option("deprecation.showfileUploaderEncoding", True)
-single_file = st.file_uploader("Drop a file:", type=["txt"], encoding="encoding")
+single_file = st.file_uploader("Drop a file:", type=["txt"])
 if single_file is None:
     st.text("No upload")
 else:
     st.text(single_file.read())
 
-st.set_option("deprecation.showfileUploaderEncoding", False)
 multiple_files = st.file_uploader(
     "Drop multiple files:", type=["txt"], accept_multiple_files=True
 )

e2e/specs/st_echo.spec.js

@@ -21,7 +21,8 @@ describe("st.echo", () => {
   });
 
   it("echos a code", () => {
-    cy.get(".element-container .stMarkdown").contains(
+    cy.get(".element-container .stMarkdown").should(
+      "have.text",
       `print("This code is awesome!")`
     );
   });

e2e/specs/st_file_uploader.spec.js

@@ -46,22 +46,6 @@ describe("st.file_uploader", () => {
       .matchImageSnapshot("multi_file_uploader");
   });
 
-  it("shows deprecation warning", () => {
-    cy.get("[data-testid='stFileUploader']")
-      .first()
-      .parent()
-      .prev()
-      .should("contain", "FileUploaderEncodingWarning");
-  });
-
-  it("hides deprecation warning", () => {
-    cy.get("[data-testid='stFileUploader']")
-      .last()
-      .parent()
-      .prev()
-      .should("not.contain", "FileUploaderEncodingWarning");
-  });
-
   it("shows error message for not allowed files", () => {
     const fileName = "example.json";
 

e2e/specs/st_main_menu.spec.js

@@ -33,7 +33,7 @@ describe("main menu", () => {
     cy.get('[data-testid="main-menu-popover"]').invoke(
       "attr",
       "style",
-      "transform: translate3d(20px, 20px, 0px)"
+      "transform: translate3d(20px, 20px, 0px);"
     );
     cy.get('[data-testid="main-menu-list"]').matchImageSnapshot("main_menu");
 

e2e/specs/st_markdown.spec.js

@@ -28,7 +28,7 @@ describe("st.markdown", () => {
       expect(els[2].textContent).to.eq("This HTML tag is not escaped!");
       expect(els[3].textContent).to.eq("[text]");
       expect(els[4].textContent).to.eq("link");
-      expect(els[5].textContent).to.eq("[][]");
+      expect(els[5].textContent).to.eq("");
       expect(els[6].textContent).to.eq("Inline math with KATXE\\KaTeXKATE​X");
       expect(els[7].textContent).to.eq(
         "ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0"

e2e/specs/st_number_input.spec.js

@@ -39,6 +39,17 @@ describe("st.number_input", () => {
     );
   });
 
+  it("displays instructions correctly on change", () => {
+    cy.get(".stNumberInput input")
+      .first()
+      .clear()
+      .type("10");
+
+    cy.get(".stNumberInput")
+      .first()
+      .matchImageSnapshot("number_input_change");
+  });
+
   it("sets value correctly on enter keypress", () => {
     cy.get(".stNumberInput input")
       .first()

frontend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "streamlit-browser",
-  "version": "0.73.1",
+  "version": "0.74.1",
   "private": true,
   "homepage": "./",
   "scripts": {
@@ -45,10 +45,9 @@
     "@emotion/styled": "^10.0.27",
     "@loaders.gl/core": "^2.2.8",
     "@loaders.gl/csv": "^2.2.8",
-    "aws-sdk": "^2.729.0",
-    "axios": "^0.19.2",
+    "axios": "^0.21.1",
     "baseui": "9.106.0",
-    "camelcase": "^5.2.0",
+    "camelcase": "^6.2.0",
     "classnames": "^2.2.6",
     "clipboard": "^2.0.6",
     "color2k": "^1.1.0",
@@ -80,17 +79,17 @@
     "react-dropzone": "^11.2.0",
     "react-feather": "^2.0.8",
     "react-google-login": "^5.1.21",
-    "react-hotkeys": "^2.0.0",
+    "react-hotkeys": "^1.1.4",
     "react-json-view": "^1.19.1",
     "react-katex": "^2.0.2",
     "react-map-gl": "^5.2.7",
-    "react-markdown": "^5.0.3",
+    "react-markdown": "^4.3.1",
     "react-plotly.js": "^2.4.0",
     "react-transition-group": "^4.4.1",
     "react-virtualized": "^9.21.2",
     "react-window": "^1.8.5",
     "remark-emoji": "^2.1.0",
-    "remark-math": "^4.0.0",
+    "remark-math": "^2.0.1",
     "sprintf-js": "^1.1.2",
     "styletron-engine-atomic": "^1.4.6",
     "styletron-react": "^5.2.6",
@@ -115,7 +114,7 @@
     "@types/hoist-non-react-statics": "^3.3.1",
     "@types/jest": "^26.0.19",
     "@types/katex": "^0.10.2",
-    "@types/lodash": "^4.14.159",
+    "@types/lodash": "^4.14.167",
     "@types/mocha": "^5.2.7",
     "@types/moment-duration-format": "^2.2.2",
     "@types/node": "^14.14.16",