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Mini Shell
Mini Shell
from pathlib import Path
from typing import Optional, Union
class Location:
def __init__(
self, path: Union[Path, str], module: Optional[str], function: Optional[str], line: int, character: int
):
if isinstance(path, Path):
self._path = path
elif isinstance(path, str):
self._path = Path(path)
else:
raise ValueError
self.module = module or None
self.function = function or None
self.line = None if line == -1 else line
self.character = None if character == -1 else character
@property
def path(self):
return self._path
def absolute_path(self) -> Path:
return self._path.absolute()
def relative_path(self, root: Path) -> Path:
return self._path.relative_to(root)
def __repr__(self) -> str:
return f"{self._path}:L{self.line}:{self.character}"
def __hash__(self) -> int:
return hash((self._path, self.line, self.character))
def __eq__(self, other: object) -> bool:
if not isinstance(other, Location):
return False
return self._path == other._path and self.line == other.line and self.character == other.character
def __lt__(self, other: object) -> bool:
if not isinstance(other, Location):
raise ValueError
if self._path == other._path:
if self.line == other.line:
return (self.character or -1) < (other.character or -1)
return (self.line or -1) < (other.line or -1) # line can be None if it's a file-global warning
return self._path < other._path
class Message:
def __init__(self, source: str, code: str, location: Location, message: str):
self.source = source
self.code = code
self.location = location
self.message = message
def __repr__(self) -> str:
return f"{self.source}-{self.code}"
def __eq__(self, other: object) -> bool:
if not isinstance(other, Message):
return False
if self.location == other.location:
return self.code == other.code
return False
def __lt__(self, other) -> bool:
if self.location == other.location:
return self.code < other.code
return self.location < other.location
def make_tool_error_message(
filepath: Union[Path, str],
source: str,
code: str,
message: str,
line: int = 0,
character: int = 0,
module: str = None,
function: str = None,
) -> Message:
location = Location(path=filepath, module=module, function=function, line=line, character=character)
return Message(source=source, code=code, location=location, message=message)
Zerion Mini Shell 1.0