zzstoatzz.io
pydantic model generator for atproto lexicons
feat: add git url support for cloning lexicons
- clone repos from github/tangled/etc as lexicon source
- auto-detect lexicons/ subdir in cloned repos
- cleanup temp dir after generation
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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python/pmgfal/__init__.py
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python/pmgfal/__init__.py
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import argparse
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import os
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import shutil
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import subprocess
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import sys
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import tempfile
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from pathlib import Path
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from pmgfal._pmgfal import __version__, generate, hash_lexicons
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__all__ = ["__version__", "generate", "hash_lexicons", "main", "get_cache_dir"]
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__all__ = ["__version__", "generate", "get_cache_dir", "hash_lexicons", "main"]
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def get_cache_dir() -> Path:
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return base / "pmgfal"
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def is_git_url(path: str) -> bool:
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"""check if path looks like a git url."""
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return path.startswith(("https://", "git@", "ssh://", "git://"))
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def main(args: list[str] | None = None) -> int:
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"""cli entry point."""
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parser = argparse.ArgumentParser(
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description="pydantic model generator for atproto lexicons",
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)
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parser.add_argument(
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"lexicon_dir",
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"lexicon_source",
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nargs="?",
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type=Path,
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help="directory containing lexicon json files (default: ./lexicons or .)",
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help="directory or git url containing lexicon json files (default: ./lexicons or .)",
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)
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parser.add_argument(
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"-o",
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parsed = parser.parse_args(args)
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# auto-detect lexicon directory
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if parsed.lexicon_dir is None:
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if Path("./lexicons").is_dir():
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lexicon_dir = Path("./lexicons")
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temp_dir = None
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try:
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# handle git urls by cloning to temp dir
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if parsed.lexicon_source and is_git_url(parsed.lexicon_source):
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temp_dir = tempfile.mkdtemp(prefix="pmgfal-")
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print(f"cloning {parsed.lexicon_source}...")
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result = subprocess.run(
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["git", "clone", "--depth=1", parsed.lexicon_source, temp_dir],
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capture_output=True,
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text=True,
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)
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if result.returncode != 0:
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print(f"error: git clone failed: {result.stderr}", file=sys.stderr)
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return 1
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# look for lexicons subdir in cloned repo
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if (Path(temp_dir) / "lexicons").is_dir():
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lexicon_dir = Path(temp_dir) / "lexicons"
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else:
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lexicon_dir = Path(temp_dir)
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# auto-detect lexicon directory
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elif parsed.lexicon_source is None:
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if Path("./lexicons").is_dir():
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lexicon_dir = Path("./lexicons")
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else:
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lexicon_dir = Path(".")
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else:
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lexicon_dir = Path(".")
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else:
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lexicon_dir = parsed.lexicon_dir
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lexicon_dir = Path(parsed.lexicon_source)
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if not lexicon_dir.is_dir():
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print(f"error: not a directory: {lexicon_dir}", file=sys.stderr)
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return 1
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try:
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if not lexicon_dir.is_dir():
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print(f"error: not a directory: {lexicon_dir}", file=sys.stderr)
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return 1
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# compute hash of lexicons (in rust)
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lexicon_hash = hash_lexicons(str(lexicon_dir), parsed.prefix)
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cache_dir = get_cache_dir() / lexicon_hash
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except Exception as e:
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print(f"error: {e}", file=sys.stderr)
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return 1
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finally:
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if temp_dir and Path(temp_dir).exists():
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shutil.rmtree(temp_dir)
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if __name__ == "__main__":
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tests/test_generate.py
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tests/test_generate.py
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"defs": {
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"main": {
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"type": "record",
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"record": {"type": "object", "properties": {"x": {"type": "string"}}},
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"record": {
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"type": "object",
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"properties": {"x": {"type": "string"}},
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},
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}
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},
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}
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"defs": {
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"main": {
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"type": "record",
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"record": {"type": "object", "properties": {"y": {"type": "string"}}},
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"record": {
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"type": "object",
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"properties": {"y": {"type": "string"}},
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},
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}
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},
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}