mirror of
https://github.com/hwchase17/langchain
synced 2024-11-10 01:10:59 +00:00
97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
"""Script to generate migrations for the migration script."""
|
|
|
|
import json
|
|
import pkgutil
|
|
|
|
import click
|
|
|
|
from langchain_cli.namespaces.migrate.generate.generic import (
|
|
generate_simplified_migrations,
|
|
)
|
|
from langchain_cli.namespaces.migrate.generate.partner import (
|
|
get_migrations_for_partner_package,
|
|
)
|
|
|
|
|
|
@click.group()
|
|
def cli():
|
|
"""Migration scripts management."""
|
|
pass
|
|
|
|
|
|
@cli.command()
|
|
@click.option(
|
|
"--pkg1",
|
|
default="langchain",
|
|
)
|
|
@click.option(
|
|
"--pkg2",
|
|
default="langchain_community",
|
|
)
|
|
@click.option(
|
|
"--output",
|
|
default=None,
|
|
help="Output file for the migration script.",
|
|
)
|
|
@click.option(
|
|
"--filter-by-all/--no-filter-by-all",
|
|
default=True,
|
|
help="Output file for the migration script.",
|
|
)
|
|
def generic(pkg1: str, pkg2: str, output: str, filter_by_all: bool) -> None:
|
|
"""Generate a migration script."""
|
|
click.echo("Migration script generated.")
|
|
migrations = generate_simplified_migrations(pkg1, pkg2, filter_by_all=filter_by_all)
|
|
|
|
if output is None:
|
|
output = f"{pkg1}_to_{pkg2}.json"
|
|
|
|
with open(output, "w") as f:
|
|
f.write(json.dumps(migrations, indent=2, sort_keys=True))
|
|
|
|
|
|
@cli.command()
|
|
@click.argument("pkg")
|
|
@click.option("--output", default=None, help="Output file for the migration script.")
|
|
def partner(pkg: str, output: str) -> None:
|
|
"""Generate migration scripts specifically for LangChain modules."""
|
|
click.echo("Migration script for LangChain generated.")
|
|
migrations = get_migrations_for_partner_package(pkg)
|
|
# Run with python 3.9+
|
|
output_name = f"{pkg.removeprefix('langchain_')}.json" if output is None else output
|
|
if migrations:
|
|
with open(output_name, "w") as f:
|
|
f.write(json.dumps(migrations, indent=2, sort_keys=True))
|
|
click.secho(f"LangChain migration script saved to {output_name}")
|
|
else:
|
|
click.secho(f"No migrations found for {pkg}", fg="yellow")
|
|
|
|
|
|
@cli.command()
|
|
def all_installed_partner_pkgs() -> None:
|
|
"""Generate migration scripts for all LangChain modules."""
|
|
# Will generate migrations for all pather packages.
|
|
# Define as "langchain_<partner_name>".
|
|
# First let's determine which packages are installed in the environment
|
|
# and then generate migrations for them.
|
|
langchain_pkgs = [
|
|
name
|
|
for _, name, _ in pkgutil.iter_modules()
|
|
if name.startswith("langchain_")
|
|
and name not in {"langchain_core", "langchain_cli", "langchain_community"}
|
|
]
|
|
for pkg in langchain_pkgs:
|
|
migrations = get_migrations_for_partner_package(pkg)
|
|
# Run with python 3.9+
|
|
output_name = f"{pkg.removeprefix('langchain_')}.json"
|
|
if migrations:
|
|
with open(output_name, "w") as f:
|
|
f.write(json.dumps(migrations, indent=2, sort_keys=True))
|
|
click.secho(f"LangChain migration script saved to {output_name}")
|
|
else:
|
|
click.secho(f"No migrations found for {pkg}", fg="yellow")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
cli()
|