maze-solver/errors.py

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class CellInvalidError(Exception):
"""
CellInvalidError is raised when the program tries to create a Cell whose
values are invalid. The values are invalid when x2 is smaller than x1
and/or y2 is smaller than y1. When creating a Cell the x and y values
should always represent the top left and the bottom right corners of
the cell (i.e. x1 < x2 and y1 < y2).
"""
def __init__(self, x1: int, y1: int, x2: int, y2: int, *args):
super().__init__(args)
self.x1 = x1
self.x2 = x2
self.y1 = y1
self.y2 = y2
def __str__(self):
return f"Invalid Cell values received. Please ensure that both: x1 ({self.x1}) < x2 ({self.x2}), and y1 ({self.y1}) < y2 ({self.y2})"
class CellTooSmallError(Exception):
"""
CellTooSmallError is raised when the program tries to create a Cell
which is too small to correctly draw it's central point.
"""
def __init__(self, size_type: str, size: int, *args):
super().__init__(args)
self.size_type = size_type
self.size = size
def __str__(self):
return f"The {self.size_type} size of the cell ({self.size}) is too small."