langchain/libs/cli/langchain_cli/namespaces/migrate/generate/grit.py
Mason Daugherty e7eac27241
ruff: more rules across the board & fixes (#31898)
* standardizes ruff dep version across all `pyproject.toml` files
* cli: ruff rules and corrections
* langchain: rules and corrections
2025-07-07 17:48:01 -04:00

36 lines
1008 B
Python

def split_package(package: str) -> tuple[str, str]:
"""Split a package name into the containing package and the final name."""
parts = package.split(".")
return ".".join(parts[:-1]), parts[-1]
def dump_migrations_as_grit(name: str, migration_pairs: list[tuple[str, str]]) -> str:
"""Dump the migration pairs as a Grit file."""
remapped = ",\n".join(
[
f"""
[
`{split_package(from_module)[0]}`,
`{split_package(from_module)[1]}`,
`{split_package(to_module)[0]}`,
`{split_package(to_module)[1]}`
]
"""
for from_module, to_module in migration_pairs
],
)
pattern_name = f"langchain_migrate_{name}"
return f"""
language python
// This migration is generated automatically - do not manually edit this file
pattern {pattern_name}() {{
find_replace_imports(list=[
{remapped}
])
}}
// Add this for invoking directly
{pattern_name}()
"""