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Fix csrf.error_handler example in docs #243

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Fix csrf.error_handler example in docs #243

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6 changes: 5 additions & 1 deletion docs/csrf.rst
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Expand Up @@ -61,9 +61,13 @@ But if the template has no forms, you still need a csrf token:
Whenever a CSRF validation fails, it will return a 400 response. You can
customize the error response::

from flask import abort
from werkzeug.wrappers import Response

@csrf.error_handler
def csrf_error(reason):
return render_template('csrf_error.html', reason=reason), 400
abort(Response(render_template('csrf_error.html', reason=reason),
status=400, content_type='text/html'))

We strongly suggest that you protect all your views with CSRF. But if
needed, you can exclude some views using a decorator::
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