Add python-3.7 tests

.circleci/config.yml

@@ -2,39 +2,44 @@ version: 2.1
 orbs:
   codecov: codecov/codecov@3.2.2
   node: circleci/node@5.0.2
+  browser-tools: circleci/browser-tools@1.3.0
 
 jobs:
   test:
     parameters:
       test-type:
         type: string
+      python-version:
+        type: string
     environment:
       NODE_OPTIONS: --max-old-space-size=4096
     docker:
-      - image: circleci/python:3.9.2-browsers
+      - image: cimg/python:<< parameters.python-version >>-browsers
     steps:
       - checkout
       - run: mkdir test-reports
       - restore_cache:
-          key: deps1-{{ .Branch }}-{{ checksum "requirements.txt" }}
+          key: deps3-{{ .Branch }}-{{ checksum "requirements.txt" }}-<< parameters.python-version >>
       - run:
           name: Install ffmpeg
           command: |
             sudo apt update
             sudo apt install ffmpeg -y
+      - browser-tools/install-chrome
+      - browser-tools/install-chromedriver
       - run:
           name: Install Python deps in a venv
           command: |
-            python3 -m venv venv
+            python -m venv venv
             . venv/bin/activate
             bash scripts/install_gradio.sh
-            bash scripts/install_test_requirements.sh
+            pip install -r test/requirements-python<< parameters.python-version >>.txt
       - run:
           command: |
             chromedriver --version
           name: Check chrome driver install
       - save_cache:
-          key: deps1-{{ .Branch }}-{{ checksum "requirements.txt" }}
+          key: deps3-{{ .Branch }}-{{ checksum "requirements.txt" }}-<< parameters.python-version >>
           paths:
             - "venv"
       - node/install:
@@ -81,3 +86,4 @@ workflows:
           matrix:
             parameters:
               test-type: ["not flaky", "flaky"]
+              python-version: ["3.9.2", "3.7.12"]

gradio/components.py

@@ -12,17 +12,19 @@
 import os
 import pathlib
 import shutil
-import sys
 import tempfile
 import warnings
 from copy import deepcopy
 from types import ModuleType
-from typing import Any, Callable, Dict, List, Optional, Tuple
+from typing import TYPE_CHECKING, Any, Callable, Dict, List, Optional, Tuple
 
-if sys.version_info[0] == 3 and sys.version_info[1] >= 8:
+if TYPE_CHECKING:
     from typing import TypedDict
-else:
-    from typing_extensions import TypedDict
+
+    class DataframeData(TypedDict):
+        headers: List[str]
+        data: List[List[str | int | bool]]
+
 
 import matplotlib.figure
 import numpy as np
@@ -2400,11 +2402,6 @@ def style(
         )
 
 
-class DataframeData(TypedDict):
-    headers: List[str]
-    data: List[List[str | int | bool]]
-
-
 @document()
 class Dataframe(Changeable, IOComponent):
     """

requirements.txt

@@ -18,5 +18,4 @@ uvicorn
 Jinja2
 fsspec
 httpx
-pydantic
-typing-extensions
+pydantic

scripts/create_test_requirements.sh

@@ -3,8 +3,9 @@ if [ -z "$(ls | grep CONTRIBUTING.md)" ]; then
   echo "Please run the script from repo directory"
   exit -1
 else
-  echo "Creating requirements under test/requirements.txt using requirements.in. Please run this script from unix or wsl!"
+  echo "Creating requirements under test/requirements.txt using requirements.in. Please run this script from unix or wsl in a python3.9 env!"
+    python -c "import sys; assert sys.version_info >= (3, 9) and sys.version_info < (3, 10), 'Run from python 3.9!'" || exit 1
   cd test
   pip install --upgrade pip-tools
-  pip-compile
+  pip-compile --output-file requirements-python3.9.2.txt
 fi

scripts/create_test_requirements_py37.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+if [ -z "$(ls | grep CONTRIBUTING.md)" ]; then
+  echo "Please run the script from repo directory"
+  exit -1
+else
+  echo "Creating requirements under test/requirements-python3.7.12.txt using requirements.in. Please run this script from unix or wsl in a python 3.7 env!"
+  python -c "import sys; assert sys.version_info < (3, 8) and sys.version_info > (3, 6), 'Run from python 3.7!'" || exit 1
+  cd test
+  pip install --upgrade pip-tools
+  pip-compile --output-file requirements-python3.7.12.txt
+fi