...

pyproject.toml

@@ -4,9 +4,9 @@ build-backend = "hatchling.build"
 
 [project]
 name = "mplchart"
+version = "0.0.12"
 requires-python = ">=3.9"
 readme = "output/README.md"
-dynamic = ["version"]
 license = { text = "MIT License" }
 description = "Classic Stock Charts in Python"
 urls = { homepage = "https://github.com/furechan/mplchart" }

src/mplchart/__init__.py

@@ -1,3 +1,2 @@
 """ mplchart package """
 
-__version__ = "0.0.12"

tasks.py

@@ -1,5 +1,6 @@
 # noinspection PyUnresolvedReferences
 
+import re
 from pathlib import Path
 from invoke import task  # type: ignore
 
@@ -52,3 +53,19 @@ def publish(c):
     """Publish to PyPI with twine"""
     c.run("pip install -q twine")
     c.run("twine upload dist/*.whl")
+
+@task
+def bump(c):
+    """Bump patch version in pyproject"""
+    pyproject = Path(__file__).joinpath("../pyproject.toml").resolve(strict=True)
+    buffer = pyproject.read_text()
+    pattern = r"^version \s* = \s* \"(.+)\" \s*"
+    match = re.search(pattern, buffer, flags=re.VERBOSE | re.MULTILINE)
+    if not match:
+        raise ValueError("Could not find version setting")
+    version = tuple(int(i) for i in match.group(1).split("."))
+    version = version[:-1] + (version[-1]+1, )
+    version = ".".join(str(v) for v in version)
+    print(f"Updating version to {version} ...")
+    buffer = print(re.sub(pattern, f"version = \"{version}\"\n", buffer, flags=re.VERBOSE | re.MULTILINE))
+    pyproject.write_text(buffer)