db random data

gistfile1.py

import random
import string

ALPHABET = string.ascii_lowercase
DIGITS = string.digits

def make_random_string(_len, seq):
  return ''.join([random.choice(seq) for _ in range(_len)])

def make_first_name(_len):
  return make_random_string(_len, ALPHABET)

def make_last_name(_len):
  return make_random_string(_len, ALPHABET)

def make_phone_number(_len):
  return make_random_string(_len, DIGITS)

def make_year():
  return make_random_string(4, DIGITS)

def make_month():
  return make_random_string(2, DIGITS)

def make_day():
  return make_random_string(2, DIGITS)

def make_date_of_birth():
  return "%s-%s-%s" % (make_year(), make_month(), make_day())

def make_employee_id(num):
  return str(num)

def main():
  with open("data.csv", "a") as f:
    for num in range(1, 1000):
      data = [
        make_employee_id(num),
        make_first_name(10),
        make_last_name(15),
        make_date_of_birth(),
        make_phone_number(9),
      ]
      f.write(",".join(data))
      f.write('\n')

if __name__ == '__main__':
  main()