support static version in pyproject.toml

Author: blink1073

jupyter_releaser/tests/test_functions.py

@@ -31,6 +31,11 @@ def test_get_version_python(py_package):
     assert util.get_version() == "0.0.2a0"
 
 
+def test_get_version_pyproject(py_package):
+    os.unlink("setup.py")
+    assert util.get_version() == "0.0.1"
+
+
 def test_get_version_multipython(py_multipackage):
     prev_dir = os.getcwd()
     for package in py_multipackage:

jupyter_releaser/tests/util.py

@@ -85,6 +85,9 @@ def pyproject_template(sub_packages=[]):
 [build-system]
 requires = ["setuptools>=40.8.0", "wheel"]
 build-backend = "setuptools.build_meta"
+
+[project]
+version = "0.0.1"
 """
     if sub_packages:
         res += f"""

jupyter_releaser/util.py

@@ -136,6 +136,14 @@ def get_version():
     """Get the current package version"""
     if SETUP_PY.exists():
         return run("python setup.py --version").split("\n")[-1]
+    elif PYPROJECT.exists():
+        text = PYPROJECT.read_text(encoding="utf-8")
+        data = toml.loads(text)
+        project = data.get('project', {})
+        version = project.get('version')
+        if not version:  # pragma: no cover
+            raise ValueError("No version identifier could be found!")
+        return version
     elif PACKAGE_JSON.exists():
         return json.loads(PACKAGE_JSON.read_text(encoding="utf-8")).get("version", "")
     else:  # pragma: no cover