"""A collection of custom errors used in Chart Me
helpful url found here:
https://www.programiz.com/python-programming/user-defined-exception
reminder: default behavior accepts a message
"""
[docs]class ColumnDoesNotExistsError(Exception):
"""Implementation to track if column not found in pandas"""
pass
[docs]class ColumnAllNullError(Exception):
"""Implementation of error if column is all nulls"""
pass
[docs]class ColumnTooManyNullsError(Exception):
"""Implementation of error if columns has too many nulls"""
def __init__(self, null_rate, message="Null Rate below Threshold"):
"""set variables"""
self.null_rate = null_rate
self.message = message
super().__init__(self.message)
[docs] def __str__(self):
"""Override string representations"""
return f"{self.null_rate} calculated --> {self.message}"
[docs]class InsufficientValidColumnsError(Exception):
"""Implementation of error if there's no valid columns to chart"""
pass