set up bump2version (#148)

Author: RemyLau

.bumpversion.cfg

@@ -0,0 +1,24 @@
+[bumpversion]
+current_version = 2.0.8-dev
+tag = False
+commit = True
+message = bump version: {current_version} -> {new_version}
+parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)([-](?P<release>(dev|stable)+)(?P<build>\d*))?
+serialize =
+    {major}.{minor}.{patch}-{release}{build}
+    {major}.{minor}.{patch}-{release}
+    {major}.{minor}.{patch}
+
+[bumpversion:part:release]
+optional_value = stable
+values =
+    dev
+    stable
+
+[bumpversion:file:setup.cfg]
+search = version = {current_version}
+replace = version = {new_version}
+
+[bumpversion:file:docs/source/conf.py]
+search = release = "{current_version}"
+replace = release = "{new_version}"

.pre-commit-config.yaml

@@ -1,28 +1,29 @@
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.3.0
     hooks:
-    -   id: trailing-whitespace
-    -   id: end-of-file-fixer
+      - id: trailing-whitespace
+        exclude: .bumpversion.cfg
+      - id: end-of-file-fixer
 
--   repo: https://github.com/asottile/reorder_python_imports
+  - repo: https://github.com/asottile/reorder_python_imports
     rev: v3.8.2
     hooks:
-    -   id: reorder-python-imports
+      - id: reorder-python-imports
         args: ["--py38-plus"]
 
--   repo: https://github.com/asottile/add-trailing-comma
+  - repo: https://github.com/asottile/add-trailing-comma
     rev: v2.2.3
     hooks:
-    -   id: add-trailing-comma
+      - id: add-trailing-comma
 
--   repo: https://github.com/asottile/pyupgrade
+  - repo: https://github.com/asottile/pyupgrade
     rev: v2.37.3
     hooks:
-    -   id: pyupgrade
+      - id: pyupgrade
 
--   repo: https://github.com/psf/black
+  - repo: https://github.com/psf/black
     rev: 22.8.0
     hooks:
-    -   id: black
+      - id: black
         args: [--safe]

setup.cfg

@@ -45,6 +45,7 @@ package_dir =
 
 [options.extras_require]
 dev =
+    bump2version==1.0.1
     mypy==0.971
     parameterized==0.8.1
     pre-commit==2.20.0