ci: create release script (#2142)

scripts/create_release.py

@@ -0,0 +1,70 @@
+import subprocess
+
+import click
+from flask_appbuilder import __version__
+
+
+CHANGELOG_TEMPLATE = """Improvements and Bug fixes on {version}
+-----------------------------------
+
+{changes}
+
+"""
+
+CHANGE_LOG_HEADER = """
+Flask-AppBuilder ChangeLog
+==========================
+"""
+
+
+def get_change_log_entries_for_rst(entries: str) -> str:
+    # prefix every line with "-"
+    return "\n".join(["- " + line for line in entries.split("\n")])
+
+
+def write_change_log_entry(version: str, entries: str) -> None:
+    with open("CHANGELOG.rst", "r") as f:
+        content = f.read()
+    changes_for_version = CHANGELOG_TEMPLATE.format(version=version, changes=entries)
+    # add changes after changelog header
+    content = (
+        content[0 : len(CHANGE_LOG_HEADER)]
+        + changes_for_version
+        + content[len(CHANGE_LOG_HEADER) :]
+    )
+    with open("CHANGELOG.rst", "w") as f:
+        f.write(content)
+
+
+def write_new_version(old_version: str, new_version) -> None:
+    with open("flask_appbuilder/__init__.py", "r") as f:
+        content = f.read()
+    content = content.replace(
+        f'__version__ = "{old_version}"', f'__version__ = "{new_version}"'
+    )
+    with open("flask_appbuilder/__init__.py", "w") as f:
+        f.write(content)
+
+
+@click.command()
+@click.option(
+    "--version",
+    prompt="this release version",
+    required=True,
+    help="A release version to create ex: 4.3.9rc1",
+)
+def create_release(version):
+    """Create a release"""
+    click.echo("Creating release changes")
+
+    output = subprocess.check_output(
+        f'git log --pretty=format:"%s [%an]" v{__version__}..master', shell=True
+    )
+    write_change_log_entry(
+        version, get_change_log_entries_for_rst(output.decode("utf-8"))
+    )
+    write_new_version(__version__, version)
+
+
+if __name__ == "__main__":
+    create_release()