CSV Export generate an UnicodeEncodeError if verbose_name use non ascii characters

[yvguim]

Hi,
I play with django-adminactions and it's really a nice job, thanks!

However for an application with french translation, CSV Export raise a UnicodeEncodeError if verbose_name_plural use non ascii characters.

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Django Version: 1.4.3
Exception Type: UnicodeEncodeError
Exception Value:

'ascii' codec can't encode character u'\xe8' in position 25: ordinal not in range(128), HTTP response headers must be in US-ASCII format

The problem is located at this line in export.py
:
filename = "%s.csv" % queryset.model.meta.verbose_name_plural.lower().replace(" ", "")

I fix it for my app by using a generic filename for exports.

[saxix]

thanks for the ticket.
Please check last commit, just added utility callback get__filename() handler. If the ModelAdmin has this attribute it is called (passing request and queryset) to get the filename. Otherwise each not valid char in verbose_name is substituted by '?'

[yvguim]

thanks for your commit, I have tested both case with success.