bump minimum Python version to 3.7

add 1.2.0 release notes stub, mentioning the version bump

.travis.yml

@@ -17,15 +17,15 @@ env:
 matrix:
   include:
     - os: linux
-      python: 3.6
+      python: 3.7
       env:
         - NUMPYSPEC=numpy
         - MATPLOTLIBSPEC=matplotlib
         - CYTHONSPEC=cython
         - USE_WHEEL=1
     - arch: arm64
       os: linux
-      python: 3.6
+      python: 3.7
       env:
         - NUMPYSPEC=numpy
         - MATPLOTLIBSPEC=matplotlib
@@ -57,7 +57,7 @@ matrix:
         - CYTHONSPEC=cython
         - USE_SDIST=1
     - os: linux
-      python: 3.5
+      python: 3.7
       env:
         - NUMPYSPEC="numpy==1.13.3"
         - MATPLOTLIBSPEC=matplotlib
@@ -70,7 +70,7 @@ matrix:
         - NUMPYSPEC=numpy
         - MATPLOTLIBSPEC=matplotlib
         - CYTHONSPEC=cython
-        - TRAVIS_PYTHON_VERSION=3.5
+        - TRAVIS_PYTHON_VERSION=3.7
 cache: pip
 
 before_install:

README.rst

@@ -65,7 +65,7 @@ For more usage examples see the `demo`_ directory in the source package.
 Installation
 ------------
 
-PyWavelets supports `Python`_ >=3.5, and is only dependent on `NumPy`_
+PyWavelets supports `Python`_ >=3.7, and is only dependent on `NumPy`_
 (supported versions are currently ``>= 1.13.3``). To pass all of the tests,
 `Matplotlib`_ is also required. `SciPy`_ is also an optional dependency. When
 present, FFT-based continuous wavelet transforms will use FFTs from SciPy

appveyor.yml

@@ -7,10 +7,6 @@
 
 environment:
   matrix:
-    - PYTHON: "C:\\Python35"
-    - PYTHON: "C:\\Python35-x64"
-    - PYTHON: "C:\\Python36"
-    - PYTHON: "C:\\Python36-x64"
     - PYTHON: "C:\\Python37"
     - PYTHON: "C:\\Python37-x64"
     - PYTHON: "C:\\Python38"

doc/release/1.2.0-notes.rst

@@ -0,0 +1,30 @@
+==============================
+PyWavelets 1.2.0 Release Notes
+==============================
+
+.. contents::
+
+We are very pleased to announce the release of PyWavelets 1.2.
+
+PyWavelets now requires Python 3.7+.
+
+
+New features
+============
+
+
+Backwards incompatible changes
+==============================
+
+
+Bugs Fixed
+==========
+
+
+Other changes
+=============
+
+- PyWavelets has dropped support for Python 3.5 and 3.6 in this release.
+
+Authors
+=======

doc/source/dev/preparing_windows_build_environment.rst

@@ -14,7 +14,7 @@ Depending on your Python version, a different version of the Microsoft Visual
 C++ compiler will be required to build extensions. The same compiler that was
 used to build Python itself should be used.
 
-For Python 3.5, 3.6 and 3.7 it will be MSVC 2015.
+For Python 3.7 or 3.8 it will be MSVC 2015.
 
 The MSVC version should be printed when starting a Python REPL, and can be
 checked against the note below:

doc/source/dev/testing.rst

@@ -45,9 +45,9 @@ Running tests with Tox
 ----------------------
 
 There's also a config file for running tests with `Tox`_ (``pip install tox``).
-To for example run tests for Python 3.5 and 3.6 use::
+To for example run tests for Python 3.7 and 3.8 use::
 
-  tox -e py35,py36
+  tox -e py37,py38
 
 For more information see the `Tox`_ documentation.
 

setup.py

@@ -423,8 +423,6 @@ def setup_package():
             "Programming Language :: C",
             "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",
             "Topic :: Software Development :: Libraries :: Python Modules"
@@ -442,7 +440,7 @@ def setup_package():
 
         install_requires=["numpy>=1.13.3"],
         setup_requires=["numpy>=1.13.3"],
-        python_requires=">=3.5",
+        python_requires=">=3.7",
     )
 
     if "--force" in sys.argv:

tox.ini

@@ -13,14 +13,14 @@
 #     - Use pip to install the pywt sdist into the virtualenv
 #     - Run the pywt tests
 # To run against a specific subset of Python versions, use:
-#   tox -e py36,py37
+#   tox -e py37,py38
 
 # Tox assumes that you have appropriate Python interpreters already
-# installed and that they can be run as 'python3.6', 'python3.7', etc.
+# installed and that they can be run as 'python3.7', 'python3.8', etc.
 
 [tox]
 toxworkdir = {homedir}/.tox/pywt/
-envlist = py35, py36, py37
+envlist = py37, py38
 
 [testenv]
 deps =