ENH: support py3.8+ and set up rever

Author: dragonyanglong

.travis.yml

@@ -6,9 +6,10 @@ os:
 
 env:
   - MYUSEMC=true MYPYTHON_VERSION=2.7
-  - MYUSEMC=true MYPYTHON_VERSION=3.5
-  - MYUSEMC=true MYPYTHON_VERSION=3.6
   - MYUSEMC=true MYPYTHON_VERSION=3.7
+  - MYUSEMC=true MYPYTHON_VERSION=3.8
+  - MYUSEMC=true MYPYTHON_VERSION=3.9
+  - MYUSEMC=true MYPYTHON_VERSION=3.10
   - MYUSEMC=false
 
 git:

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Release notes
 
+## Version 3.1.0 – 2022-12-09
+
+### Added
+
+- Compatibility with Python 3.10, 3.9, 3.8
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+- Remove the support for Python 3.5, 3.6.
+
+### Fixed
+
 ## Version 3.0.0 -- 2019-03-12
 
 Differences from version 1.2.2.

README.rst

@@ -23,7 +23,7 @@ http://diffpy.github.io/diffpy.utils.
 REQUIREMENTS
 ------------------------------------------------------------------------
 
-The diffpy.utils package requires Python 3.4 or later or 2.7 and
+The diffpy.utils package requires Python 3.7 or later or 2.7 and
 the following software:
 
 * ``setuptools``   - tools for installing Python packages

setup.py

@@ -12,7 +12,7 @@
 
 # Use this version when git data are not available, like in git zip archive.
 # Update when tagging a new release.
-FALLBACK_VERSION = '3.0.0.post0'
+FALLBACK_VERSION = '3.1.0'
 
 # versioncfgfile holds version data for git commit hash and date.
 # It must reside in the same directory as version.py.
@@ -111,9 +111,10 @@ def getversioncfg():
         'Operating System :: POSIX',
         'Operating System :: Unix',
         'Programming Language :: Python :: 2.7',
-        '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',
         'Topic :: Scientific/Engineering :: Physics',
     ],
 )