Prepare dev for 3.0.1 (#1109)

Author: janiversen

MAKE_RELEASE.rst

@@ -0,0 +1,40 @@
+================================
+PyModbus - A Python Modbus Stack
+================================
+=================
+Making a release.
+=================
+
+------------------------------------------------------------
+Prepare/make release on dev.
+------------------------------------------------------------
+* Make pull request "prepare v3.0.x", with the following:
+   * Update pymodbus/version.py with version number (last line)
+   * Update README.rst "Supported versions"
+   * Update CHANGELOG.rst
+      * Add commits from last release, but selectively !
+   * Commit, push and merge.
+* Checkout master locally
+   * git merge dev
+   * git push
+   * wait for CI to complete on all branches
+* On github "prepare release"
+   * Create tag e.g. v3.0.1dev0
+   * Title "pymodbus v3.0.1dev0"
+   * do NOT generate release notes, but copy from CHANGELOG.rst
+   * make release (remember to mark pre-release if so)
+* on local repo
+   * git pull, check release tag is pulled
+   * git checkout v3.0.0dev0
+   * python3 setup.py sdist bdist_wheel --universal
+   * twine upload dist/*  (upload to pypi)
+   * Double check Read me docs are updated
+      * trigger build https://readthedocs.org/projects/pymodbus/builds/
+* Make an announcement in discussions.
+
+
+------------------------------------------------------------
+Prepare release on dev for new commits.
+------------------------------------------------------------
+* Make pull request "prepare dev", with the following:
+   * Update pymodbus/version.py with version number (last line)

README.rst

@@ -19,7 +19,7 @@ Supported versions
 
 Version `2.5.3 <https://github.com/riptideio/pymodbus/releases/tag/v2.5.3>`_ is the last 2.x release (Supports python 2.7.x - 3.7).
 
-Version `3.0.0 <https://github.com/riptideio/pymodbus/releases/tag/v3.0.0>`_ is the latest release of 3.0.0 (Supports Python >=3.8).
+Version `3.0.0 <https://github.com/riptideio/pymodbus/releases/tag/v3.0.0>`_ is the current release (Supports Python >=3.8).
 
 Remark: "Supports" means that we only test with those versions, lower versions (e.g. 3.7) might work depending on the functionality used.
 
@@ -248,7 +248,6 @@ we accept devices via mail or by IP address.
 That said, the current work mainly involves polishing the library and
 solving issues:
 
-  * Get version 3.0.0 released
   * Fixing bugs/feature requests
   * Architecture documentation
   * Functional testing against any reference we can find

pymodbus/version.py

@@ -37,7 +37,7 @@ def __str__(self):
         return f"[{self.package}, version {self.short()}]"
 
 
-version = Version("pymodbus", 3, 0, 0, "rc1")
+version = Version("pymodbus", 3, 0, 1, "dev0")
 version.__name__ = (  # fix epydoc error # pylint: disable=attribute-defined-outside-init
     "pymodbus"
 )