felicity-lims/felicity/apps/common/utils/__init__.py
2024-04-12 17:14:48 +02:00

45 lines
1 KiB
Python

import re
def is_valid_email(email):
"""Make a regular expression for validating an Email"""
regex = "^[a-z0-9]+[\\._]?[a-z0-9]+[@]\\w+[.]\\w+$"
if re.search(regex, email):
return True
return False
def sequencer(value, count):
"""Generates a sequence with a specifies set count length"""
return f"{'0' * (count - len(str(value)))}{value}"
def sequence_alpha(value: str):
alphabet = list("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
alphas = list(value)
total = len(value)
index = total - 1
while index > -1:
alpha = alphas[index]
if alpha is not alphabet[-1]:
alphas[index] = alphabet[alphabet.index(alpha) + 1]
reset = index + 1
while reset <= total - 1:
alphas[reset] = "A"
reset += 1
break
index -= 1
all_Z = [letter is alphabet[-1] for letter in alphas]
if all(all_Z):
# oh, ok, ah! whatever just grow the sequence prefix
alphas.append("A")
return "".join(alphas)