Django snippets: mask

from django import template

register = template.Library()

def mask_email(email):
    """Mask an email address."""
    name, domain = email.split('@')
    if len(name) > 5:
        # show the first 3 characters
        masked_name = name[:3]
    else:
        # just use the 1st character
        masked_name = name[0]
    return "%s...@%s" % (masked_name, domain)

register.filter('mask_email', mask_email)

Mask an email address by removing most of the first portion and replacing it with "..."

For example. If you have a variable in your template context named email_address, and its value is "someguy@example.com"

{{ email_address|mask_email }}

will render as:

som...@example.com

If the part preceding @domain.com is shorter than 5 characters, only the first letter will be used, followed by "...". So if we have "erica@example.com"

{{ email_address|mask_email }}

will render as:

e...@example.com

Author:: jkocherhans
Posted:: March 3, 2007
Language:: Python
Tags:: email filters
Score:: 12 (after 12 ratings)

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jcroft (on March 3, 2007):

Best. Snippet. EVAR!

poelzi (on March 6, 2007):

very nice. i added the filter to djazz

sansmojo (on June 5, 2007):

I used this snippet in a new snippet I just posted. Hope you don't mind, jkocherhans :)

It's at http://www.djangosnippets.org/snippets/265/

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mask_email filter

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