60 lines
1.5 KiB
Python

import json
from pathlib import Path
from typing import Union
import click
from avrogen import write_schema_files
autogen_header = """# flake8: noqa
# This file is autogenerated by /metadata-ingestion/scripts/avro_codegen.py
# Do not modify manually!
# fmt: off
"""
def suppress_checks_in_file(filepath: Union[str, Path]) -> None:
"""
Adds a couple lines to the top of an autogenerated file:
- Comments to suppress flake8 and black.
- A note stating that the file was autogenerated.
"""
with open(filepath, "r+") as f:
contents = f.read()
f.seek(0, 0)
f.write(autogen_header)
f.write(contents)
f.write("# fmt: on\n")
@click.command()
@click.argument("schema_file", type=click.Path(exists=True))
@click.argument("outdir", type=click.Path())
def generate(schema_file: str, outdir: str) -> None:
with open(schema_file) as f:
raw_schema_text = f.read()
no_spaces_schema = json.dumps(json.loads(raw_schema_text))
schema_json = no_spaces_schema.replace(
'{"type": "string", "avro.java.string": "String"}', '"string"'
)
redo_spaces = json.dumps(json.loads(schema_json), indent=2)
write_schema_files(redo_spaces, outdir)
with open(f"{outdir}/__init__.py", "w"):
# Truncate this file.
pass
# Add headers for all generated files
generated_files = Path(outdir).glob("**/*.py")
for file in generated_files:
suppress_checks_in_file(file)
if __name__ == "__main__":
generate()