Specify project url and support Python - 3.8, 3.9 and 3.10

.travis.yml

@@ -17,6 +17,18 @@ matrix:
     env: TOXENV=py37
     dist: xenial
     sudo: true
+  - python: 3.8
+    env: TOXENV=py38
+    dist: xenial
+    sudo: true
+  - python: 3.9
+    env: TOXENV=py39
+    dist: xenial
+    sudo: true
+  - python: 3.10
+    env: TOXENV=py310
+    dist: xenial
+    sudo: true
   - python: 2.7
     env: TOXENV=pypy
   - python: 2.7

setup.py

@@ -6,6 +6,7 @@
       description='Pure-Python robots.txt parser with support for modern conventions',
       long_description=open("README.rst").read(),
       long_description_content_type='text/markdown',
+      url='https://github.com/scrapy/protego',
       author='Anubhav Patel',
       author_email='[email protected]',
       license='BSD',
@@ -29,6 +30,9 @@
           'Programming Language :: Python :: 3.5',
           'Programming Language :: Python :: 3.6',
           'Programming Language :: Python :: 3.7',
+          'Programming Language :: Python :: 3.8',
+          'Programming Language :: Python :: 3.9',
+          'Programming Language :: Python :: 3.10',
           'Programming Language :: Python :: Implementation :: CPython',
           'Programming Language :: Python :: Implementation :: PyPy',
       ],

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py37
+envlist = py27,py37,py38,py39,py310
 
 [testenv]
 deps =