- Author:
- gustavo80br
- Posted:
- April 24, 2008
- Language:
- Python
- Version:
- .96
- Score:
- 2 (after 2 ratings)
This function generate an username based on the user's full name. First it tries to use the first name first letter plus the last name, second it tires the first name plus the last name first latter, and at last it tries to use the first name with a sequential number at the end.
The username generated are all lowercase and ASCII only characters.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | import unicodedata
from django.contrib.auth.models import User
def generate_username(full_name):
"""
>>> from utils import generate_username
>>> from django.contrib.auth.models import User
>>>
>>> name = 'Sebastião Henrique de Almeida Gonçalves'
>>> username = generate_username(name)
>>> print username
sgoncalves
>>> u = User(username=username, password="123456", email="[email protected]")
>>> u.save()
>>>
>>> username = generate_username(name)
>>> print username
sebastiaog
>>> u = User(username=username, password="123456", email="[email protected]")
>>> u.save()
>>>
>>> username = generate_username(name)
>>> print username
sebastiao1
>>> u = User(username=username, password="123456", email="[email protected]")
>>> u.save()
>>>
>>> username = generate_username(name)
>>> print username
sebastiao2
>>> u = User(username=username, password="123456", email="[email protected]")
>>> u.save()
>>>
>>> username = generate_username(name)
>>> print username
sebastiao3
>>> u = User(username=username, password="123456", email="[email protected]")
>>> u.save()
"""
name = unicodedata.normalize('NFKD', unicode(full_name.lower())).encode('ASCII', 'ignore')
name = name.split(' ')
lastname = name[-1]
firstname = name[0]
# tente iniciais dos primeiros nomes mais ultimo nome inteiro
username = '%s%s' % (firstname[0], lastname)
if User.objects.filter(username=username).count() > 0:
# se não servir isso, tente primeiro nome inteiro mais iniciais dos ultimos nomes
username = '%s%s' % (firstname, lastname[0])
if User.objects.filter(username=username).count() > 0:
# se não servir, coloque o primeiro nome, mais um número
users = User.objects.filter(username__regex=r'^%s[1-9]{1,}$' % firstname).order_by('username').values('username')
if len(users) > 0:
last_number_used = map(lambda x: int(x['username'].replace(firstname,'')), users)
last_number_used.sort()
last_number_used = last_number_used[-1]
number = last_number_used + 1
username = '%s%s' % (firstname, number)
else:
username = '%s%s' % (firstname, 1)
return username
|
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