run on appveyor, use tox-travis, and update references of py3.5 to 3.…

…7 minimum requirement

.travis.yml

@@ -23,7 +23,7 @@ before_install:
 - git checkout package.json package-lock.json
 - git config pull.rebase false
 - git fetch --depth=1 --no-tags --verbose --progress
-- pip install tox cryptography requests ruff # common packages
+- pip install tox-travis cryptography requests ruff # common packages
 - pip install twine # used to publish python package
 - pip install pyopenssl aiohttp # used to run real-time tests
 - php -i | grep php.ini

CONTRIBUTING.md

@@ -227,7 +227,7 @@ At first, all language-specific versions were developed in parallel, but separat
 
 The module entry points are:
 - `./python/__init__.py` for the Python pip package
-- `./python/async/__init__.py` for the Python 3.5.3+ ccxt.async_support subpackage
+- `./python/async/__init__.py` for the Python 3.7.0+ ccxt.async_support subpackage
 - `./js/ccxt.js` for the Node.js npm package
 - `./ts/ccxt.ts` for TypeScript
 - `./dist/ccxt.browser.js` for the browser bundle

README.md

@@ -171,7 +171,7 @@ The library is under [MIT license](https://github.com/ccxt/ccxt/blob/master/LICE
 The easiest way to install the CCXT library is to use a package manager:
 
 - [ccxt in **NPM**](https://www.npmjs.com/package/ccxt) (JavaScript / Node v7.6+)
-- [ccxt in **PyPI**](https://pypi.python.org/pypi/ccxt) (Python 3.5.3+)
+- [ccxt in **PyPI**](https://pypi.python.org/pypi/ccxt) (Python 3.7.0+)
 - [ccxt in **Packagist/Composer**](https://packagist.org/packages/ccxt/ccxt) (PHP 7.0+)
 - [ccxt in **Nugget**](https://www.nuget.org/packages/ccxt) (netstandard 2.0)
 
@@ -244,7 +244,7 @@ import ccxt
 print(ccxt.exchanges) # print a list of all available exchange classes
 ```
 
-The library supports concurrent asynchronous mode with asyncio and async/await in Python 3.5.3+
+The library supports concurrent asynchronous mode with asyncio and async/await in Python 3.7.0+
 
 ```Python
 import ccxt.async_support as ccxt # link against the asynchronous version of ccxt

appveyor.yml

@@ -1,6 +1,11 @@
 environment:
   matrix:
     - nodejs_version: '16'
+    - TOXENV: py37
+    - TOXENV: py38
+    - TOXENV: py39
+    - TOXENV: py310
+    - TOXENV: py311
 install:
   - ps: Install-Product node $env:nodejs_version
   - set LIB=C:\OpenSSL-Win64\lib;%LIB%

build.sh

@@ -61,8 +61,9 @@ build_and_test_all () {
     npm run test-base
     npm run test-base-ws
     run_tests
-    cd python && tox && cd ..
   fi
+      cd python && tox && cd ..
+
   exit
 }
 

python/README.md

@@ -171,7 +171,7 @@ The library is under [MIT license](https://github.com/ccxt/ccxt/blob/master/LICE
 The easiest way to install the CCXT library is to use a package manager:
 
 - [ccxt in **NPM**](https://www.npmjs.com/package/ccxt) (JavaScript / Node v7.6+)
-- [ccxt in **PyPI**](https://pypi.python.org/pypi/ccxt) (Python 3.5.3+)
+- [ccxt in **PyPI**](https://pypi.python.org/pypi/ccxt) (Python 3.7.0+)
 - [ccxt in **Packagist/Composer**](https://packagist.org/packages/ccxt/ccxt) (PHP 7.0+)
 - [ccxt in **Nugget**](https://www.nuget.org/packages/ccxt) (netstandard 2.0)
 

wiki/Manual.md

@@ -3678,7 +3678,7 @@ if exchange.has['fetchOrder']:
     order = exchange.fetch_order(id)
     print(order)
 
-# Python 3.5+ asyncio (asynchronous)
+# Python 3.7+ asyncio (asynchronous)
 import asyncio
 import ccxt.async_support as ccxt
 if exchange.has['fetchOrder']: