Currency Widget

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from django.forms import widgets
from django.utils.currency import Currency
from django.utils.encoding import force_unicode
from django.utils.safestring import mark_safe
from util import flatatt

class CurrencyInput(widgets.TextInput):

    def render(self, name, value, attrs=None):

        if value is None: value = ''
        final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
        if value != '':
            # Only add the 'value' attribute if a value is non-empty.
            try:
                value = Currency(value).format()
            except:
                pass
            final_attrs['value'] = force_unicode(value)

        return mark_safe(u'<input%s />' % flatatt(final_attrs))

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