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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from django.conf import settings
def iso_flag(iso, flag_path=''):
"""
Returns a full path to the ISO 3166-1 alpha-2 country code flag image.
``flag_path`` is given in the form
``'<path relative to media root>/%s.gif'``
and is appended to ``settings.MEDIA_URL``
if a valid flag_path is not given trys to use
``settings.COUNTRIES_FLAG_PATH``
defaults to ``'flags/%s.gif'``
"""
if not settings.MEDIA_URL:
return ''
deafult = '-'
if not iso:
iso = deafult
else:
iso = iso.lower().strip()
try:
flag_name = flag_path % iso
except (ValueError, TypeError):
flag_path = getattr(settings, 'COUNTRIES_FLAG_PATH', 'flags/%s.gif')
try:
flag_name = flag_path % iso
except (ValueError, TypeError):
return ''
return ''.join((settings.MEDIA_URL, flag_name))
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