A script to help create git branches from ticket information in the format `issue_type/issue_key/issue-title-formatted-with-dashes`

create-branch-from-ticket.py

#!/usr/bin/env python3

import re
import subprocess
from typing import List

## ------------ FUNCTIONS ------------ ##

def create_branch_from_ticket(issue_type: str, issue_key: str, issue_title: str) -> str:
    # format issue_title to replace spaces with - and remove any non-alphanumeric chars
    issue_title_formatted: str = re.sub('[^a-zA-Z0-9 ]', '', issue_title)
    issue_title_formatted = re.sub(' ', '-', issue_title_formatted)

    # concatentate the values into the final branch 
    branch_name: str = f'{issue_type}/{issue_key}/{issue_title_formatted}'

    print(f'Checking out {branch_name}')

    # create and checkout a new branch
    subprocess.run(['git', 'checkout', '-b', branch_name])


## ------------ OPERATIONS ------------ ##

# list all the possible issue types
issue_types: List[str] = ['feature', 'bug', 'hotfix', 'documentation', 'devops']

print('Enter issue type index, e.g. 1, 2')

# print an enumerated list of issue types
for i in range(len(issue_types)):
    issue: str = issue_types[i]
    print(f'({i + 1}) {issue}')

# get the index of the issue type from user and assign the mapped value to issue_type
issue_type_index: int = int(input())
issue_type: str = issue_types[issue_type_index - 1]

print('\n')

# get the issue key from user input and make it all uppercase
print('Enter issue key, e.g. mob-27, wb-15')
issue_key: str = input().upper()

print('\n')

# get the issue title from user input and make it all lowercase
print('Enter issue title, e.g. Create deployment documentation')
issue_title: str = input().lower()

print('\n')

if __name__ == '__main__':
    create_branch_from_ticket(issue_type, issue_key, issue_title)