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from dataclasses import dataclass
from mypy.nodes import CallExpr, MemberExpr, RefExpr, StrExpr
from refurb.error import Error
@dataclass
class ErrorInfo(Error):
"""
If you want to get the current working directory don't call `resolve()` on
an empty `Path()` object, use `Path.cwd()` instead.
Bad:
```
cwd = Path().resolve()
```
Good:
```
cwd = Path.cwd()
```
"""
name = "no-implicit-cwd"
code = 177
categories = ("pathlib",)
def check(node: CallExpr, errors: list[Error]) -> None:
match node:
case CallExpr(
callee=MemberExpr(
expr=CallExpr(
callee=RefExpr(fullname="pathlib.Path"),
args=[] | [StrExpr(value="" | ".")] as args,
),
name="resolve",
),
args=[],
):
arg = f'"{args[0].value}"' if args else "" # type: ignore
msg = f"Replace `Path({arg}).resolve()` with `Path.cwd()`"
errors.append(ErrorInfo.from_node(node, msg))
|
