Add Python 3.9 support, drop Python 3.5

Signed-off-by: Christopher Arndt <[email protected]>

Author: SpotlightKid

Diff for: INSTALL-windows.rst

@@ -13,9 +13,9 @@ Installing required software
 
 You probably need administrator rights for some or all of the following steps.
 
-#. Install the latest release of Python 3.5+ from
+#. Install the latest release of Python 3.6+ from
    https://www.python.org/downloads/windows/ to the default location (e.g.
-   ``C:\Python35``). You can install either or both the 32-bit and the 64-bit
+   ``C:\Python36``). You can install either or both the 32-bit and the 64-bit
    version.
 
    In the installer, enable the option to install pip_. Optionally, *for only

Diff for: README.rst

@@ -39,8 +39,8 @@ python-rtmidi_ is a Python binding for RtMidi implemented using Cython_ and
 provides a thin wrapper around the RtMidi C++ interface. The API is basically
 the same as the C++ one but with the naming scheme of classes, methods and
 parameters adapted to the Python PEP-8 conventions and requirements of the
-Python package naming structure. **python-rtmidi** supports Python 3 (3.5, 3.6,
-3.7, and 3.8).
+Python package naming structure. **python-rtmidi** supports Python 3 (3.6, 3.7,
+3.8, and 3.9).
 
 The documentation_ provides installation instructions, a history of changes
 per release and an API reference.

Diff for: setup.cfg

@@ -49,10 +49,10 @@ classifiers =
     Operating System :: MacOS :: MacOS X
     Programming Language :: Python
     Programming Language :: Python :: 3
-    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 :: Multimedia :: Sound/Audio :: MIDI
     Topic :: Software Development :: Libraries :: Python Modules
 description = A Python binding for the RtMidi C++ library implemented using Cython.

Diff for: src/_rtmidi.pyx

@@ -18,8 +18,8 @@ and Windows (MultiMedia System) operating systems.
 provides a thin wrapper around the RtMidi C++ interface. The API is basically
 the same as the C++ one but with the naming scheme of classes, methods and
 parameters adapted to the Python PEP-8 conventions and requirements of the
-Python package naming structure. **python-rtmidi** supports Python 3 (3.5, 3.6,
-3.7, and 3.8).
+Python package naming structure. **python-rtmidi** supports Python 3 (3.6, 3.7,
+3.8, and 3.9).
 
 
 Usage example

Diff for: tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = flake8, py35, py36, py37, py38
+envlist = flake8, py36, py37, py38, py39
 skip_missing_interpreters = True
 
 [testenv]