langchain/libs/cli/langchain_cli/utils/pyproject.py
Erick Friis 74134dd7e1
cli pyproject updating (#12945)
`langchain app add` and `langchain app remove` will now keep the
dependencies list updated.

---------

Co-authored-by: Nuno Campos <nuno@boringbits.io>
2023-11-07 11:06:08 -08:00

46 lines
1.6 KiB
Python

from pathlib import Path
from typing import Any, Dict, Iterable
from tomlkit import dump, inline_table, load
from tomlkit.items import InlineTable
def _get_dep_inline_table(path: Path) -> InlineTable:
dep = inline_table()
dep.update({"path": str(path), "develop": True})
return dep
def add_dependencies_to_pyproject_toml(
pyproject_toml: Path, local_editable_dependencies: Iterable[tuple[str, Path]]
) -> None:
"""Add dependencies to pyproject.toml."""
with open(pyproject_toml, encoding="utf-8") as f:
# tomlkit types aren't amazing - treat as Dict instead
pyproject: Dict[str, Any] = load(f)
pyproject["tool"]["poetry"]["dependencies"].update(
{
name: _get_dep_inline_table(loc.relative_to(pyproject_toml.parent))
for name, loc in local_editable_dependencies
}
)
with open(pyproject_toml, "w", encoding="utf-8") as f:
dump(pyproject, f)
def remove_dependencies_from_pyproject_toml(
pyproject_toml: Path, local_editable_dependencies: Iterable[str]
) -> None:
"""Remove dependencies from pyproject.toml."""
with open(pyproject_toml, encoding="utf-8") as f:
pyproject: Dict[str, Any] = load(f)
# tomlkit types aren't amazing - treat as Dict instead
dependencies = pyproject["tool"]["poetry"]["dependencies"]
for name in local_editable_dependencies:
try:
del dependencies[name]
except KeyError:
pass
with open(pyproject_toml, "w", encoding="utf-8") as f:
dump(pyproject, f)