Python 3.5 is EOL, add 3.9

.circleci/config.yml

@@ -27,11 +27,6 @@ test-template: &test-template
           python3 -m pytest ./tests/test_*.py --cov buku -vv --durations=0
 
 jobs:
-  py35:
-    docker:
-      - image: python:3.5-slim
-    <<: *test-template
-
   py36:
     docker:
       - image: python:3.6-slim
@@ -47,6 +42,11 @@ jobs:
       - image: python:3.8-slim
     <<: *test-template
 
+  py39:
+    docker:
+      - image: python:3.9-slim
+    <<: *test-template
+
   package-and-publish:
     machine: true
     working_directory: ~/Buku
@@ -101,10 +101,10 @@ workflows:
 
   test:
     jobs: &all-tests
-      - py35
       - py36
       - py37
       - py38
+      - py39
 
   nightly:
     triggers:

README.md

@@ -80,7 +80,7 @@ There are several [projects based on `buku`](#related-projects), including a bro
 
 | Feature | Dependency |
 | --- | --- |
-| Scripting language | Python 3.5+ |
+| Scripting language | Python 3.6+ |
 | HTTPS | certifi, urllib3 |
 | Encryption | cryptography |
 | HTML | beautifulsoup4, html5lib |

setup.py

@@ -68,7 +68,7 @@
     author_email='engineerarun@gmail.com',
     url='https://github.com/jarun/buku',
     license='GPLv3',
-    python_requires='>=3.5',  # requires pip>=9.0.0
+    python_requires='>=3.6',  # requires pip>=9.0.0
     platforms=['any'],
     py_modules=['buku'],
     install_requires=[
@@ -101,10 +101,10 @@
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3 :: Only',
-        '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',
         'Topic :: Internet :: WWW/HTTP :: Indexing/Search',
         'Topic :: Utilities'
     ]

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = python35,python36,python37,python38,pylint,flake8
+envlist = python36,python37,python38,python39,pylint,flake8
 
 [flake8]
 max-line-length = 139
@@ -51,7 +51,7 @@ commands =
 
 [testenv:pylint]
 deps = pylint
-whitelist_externals = 
+whitelist_externals =
     /usr/bin/find
 commands =
     find . -iname "*.py" -not -path "./.tox/*" -not -path "./build/*" -exec pylint --rcfile tests/.pylintrc \{\} +