feat: add weekly release automation

scripts/release.py

@@ -0,0 +1,179 @@
+#!/usr/bin/env uv run --script
+# /// script
+# requires-python = ">=3.11"
+# dependencies = [
+#     "click>=8.1.8",
+#     "tomlkit>=0.13.2"
+# ]
+# ///
+import sys
+import re
+import click
+from pathlib import Path
+import json
+import tomlkit
+import datetime
+import subprocess
+from enum import Enum
+from typing import Any, NewType
+
+
+Version = NewType("Version", str)
+GitHash = NewType("GitHash", str)
+
+
+class GitHashParamType(click.ParamType):
+    name = "git_hash"
+
+    def convert(
+        self, value: Any, param: click.Parameter | None, ctx: click.Context | None
+    ) -> GitHash | None:
+        if value is None:
+            return None
+
+        if not (8 <= len(value) <= 40):
+            self.fail(f"Git hash must be between 8 and 40 characters, got {len(value)}")
+
+        if not re.match(r"^[0-9a-fA-F]+$", value):
+            self.fail("Git hash must contain only hex digits (0-9, a-f)")
+
+        try:
+            # Verify hash exists in repo
+            subprocess.run(
+                ["git", "rev-parse", "--verify", value], check=True, capture_output=True
+            )
+        except subprocess.CalledProcessError:
+            self.fail(f"Git hash {value} not found in repository")
+
+        return GitHash(value.lower())
+
+
+GIT_HASH = GitHashParamType()
+
+
+class PackageType(Enum):
+    NPM = 1
+    PYPI = 2
+
+    @classmethod
+    def from_path(cls, directory: Path) -> "PackageType":
+        if (directory / "package.json").exists():
+            return cls.NPM
+        elif (directory / "pyproject.toml").exists():
+            return cls.PYPI
+        else:
+            raise Exception("No package.json or pyproject.toml found")
+
+
+def get_changes(path: Path, git_hash: str) -> bool:
+    """Check if any files changed between current state and git hash"""
+    try:
+        output = subprocess.run(
+            ["git", "diff", "--name-only", git_hash, "--", path],
+            cwd=path,
+            check=True,
+            capture_output=True,
+            text=True,
+        )
+
+        changed_files = [Path(f) for f in output.stdout.splitlines()]
+        relevant_files = [f for f in changed_files if f.suffix in ['.py', '.ts']]
+        return len(relevant_files) >= 1
+    except subprocess.CalledProcessError:
+        return False
+
+
+def get_package_name(path: Path, pkg_type: PackageType) -> str:
+    """Get package name from package.json or pyproject.toml"""
+    match pkg_type:
+        case PackageType.NPM:
+            with open(path / "package.json", "rb") as f:
+                return json.load(f)["name"]
+        case PackageType.PYPI:
+            with open(path / "pyproject.toml") as f:
+                toml_data = tomlkit.parse(f.read())
+                name = toml_data.get("project", {}).get("name")
+                if not name:
+                    raise Exception("No name in pyproject.toml project section")
+                return str(name)
+
+
+def generate_version() -> Version:
+    """Generate version based on current date"""
+    now = datetime.datetime.now()
+    return Version(f"{now.year}.{now.month}.{now.day}")
+
+
+def publish_package(
+    path: Path, pkg_type: PackageType, version: Version, dry_run: bool = False
+):
+    """Publish package based on type"""
+    try:
+        match pkg_type:
+            case PackageType.NPM:
+                # Update version in package.json
+                with open(path / "package.json", "rb+") as f:
+                    data = json.load(f)
+                    data["version"] = version
+                    f.seek(0)
+                    json.dump(data, f, indent=2)
+                    f.truncate()
+
+                if not dry_run:
+                    # Publish to npm
+                    subprocess.run(["npm", "publish"], cwd=path, check=True)
+            case PackageType.PYPI:
+                # Update version in pyproject.toml
+                with open(path / "pyproject.toml") as f:
+                    data = tomlkit.parse(f.read())
+                    data["project"]["version"] = version
+
+                with open(path / "pyproject.toml", "w") as f:
+                    f.write(tomlkit.dumps(data))
+
+                if not dry_run:
+                    # Build and publish to PyPI
+                    subprocess.run(["uv", "build"], cwd=path, check=True)
+                    subprocess.run(
+                        ["uv", "publish", "--username", "__token__"],
+                        cwd=path,
+                        check=True,
+                    )
+    except Exception as e:
+        raise Exception(f"Failed to publish: {e}") from e
+
+
+@click.command()
+@click.argument("directory", type=click.Path(exists=True, path_type=Path))
+@click.argument("git_hash", type=GIT_HASH)
+@click.option(
+    "--dry-run", is_flag=True, help="Update version numbers but don't publish"
+)
+def main(directory: Path, git_hash: GitHash, dry_run: bool) -> int:
+    """Release package if changes detected"""
+    # Detect package type
+    try:
+        path = directory.resolve(strict=True)
+        pkg_type = PackageType.from_path(path)
+    except Exception as e:
+        return 1
+
+    # Check for changes
+    if not get_changes(path, git_hash):
+        return 0
+
+    try:
+        # Generate version and publish
+        version = generate_version()
+        name = get_package_name(path, pkg_type)
+
+        publish_package(path, pkg_type, version, dry_run)
+        if not dry_run:
+            click.echo(f"{name}@{version}")
+        return 0
+    except Exception as e:
+        return 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())