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cli[minor]: improve confirmation message with more details (#21027)

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Improve confirmation message with more details
This commit is contained in:
Eugene Yurtsev 2024-04-29 12:20:42 -04:00 committed by GitHub
parent aab78a37f3
commit 29493bb598
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GPG Key ID: B5690EEEBB952194
1 changed files with 21 additions and 6 deletions
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27
libs/cli/langchain_cli/namespaces/migrate/main.py
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@ -11,7 +11,6 @@ from pathlib import Path
from typing import Any, Dict, Iterable, List, Optional, Tuple, Type, TypeVar, Union from typing import Any, Dict, Iterable, List, Optional, Tuple, Type, TypeVar, Union
import libcst as cst import libcst as cst
import rich
import typer import typer
from libcst.codemod import CodemodContext, ContextAwareTransformer from libcst.codemod import CodemodContext, ContextAwareTransformer
from libcst.helpers import calculate_module_and_package from libcst.helpers import calculate_module_and_package
@ -47,12 +46,28 @@ def main(
): ):
"""Migrate langchain to the most recent version.""" """Migrate langchain to the most recent version."""
if not diff: if not diff:
rich.print("[bold red]Alert![/ bold red] langchain-cli migrate", end=": ")
if not typer.confirm( if not typer.confirm(
"The migration process will modify your files. " "✈️ This script will help you migrate to a recent version LangChain. "
"The migration is a `best-effort` process and is not expected to " "This migration script will attempt to replace old imports in the code "
"be perfect. " "with new ones.\n\n"
"Do you want to continue?" "🔄 You will need to run the migration script TWICE to migrate (e.g., "
"to update llms import from langchain, the script will first move them to "
"corresponding imports from the community package, and on the second "
"run will migrate from the community package to the partner package "
"when possible). \n\n"
"🔍 You can pre-view the changes by running with the --diff flag. \n\n"
"🚫 You can disable specific import changes by using the --disable "
"flag. \n\n"
"📄 Update your pyproject.toml or requirements.txt file to "
"reflect any imports from new packages. For example, if you see new "
"imports from langchain_openai, langchain_anthropic or "
"langchain_text_splitters you "
"should them to your dependencies! \n\n"
'⚠️ This script is a "best-effort", and is likely to make some '
"mistakes.\n\n"
"🛡️ Backup your code prior to running the migration script -- it will "
"modify your files!\n\n"
"❓ Do you want to continue?"
): ):
raise Exit() raise Exit()
console = Console(log_time=True) console = Console(log_time=True)