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# -*- coding: utf-8 -*-
class RequestConfig(object):
"""
A configurator that uses request data to setup a table.
:type paginate: ``dict`` or ``bool``
:param paginate: indicates whether to paginate, and if so, what default
values to use. If the value evaluates to ``False``, pagination
will be disabled. A ``dict`` can be used to specify default values
for the call to :meth:`.tables.Table.paginate` (e.g. to define a
default ``per_page`` value).
"""
def __init__(self, request, paginate=True):
self.request = request
self.paginate = paginate
def configure(self, table):
"""
Configure a table using information from the request.
"""
order_by = self.request.GET.getlist(table.prefixed_order_by_field)
if order_by:
table.order_by = order_by
if self.paginate:
if hasattr(self.paginate, "items"):
kwargs = dict(self.paginate)
else:
kwargs = {}
# extract some options from the request
for x in ("page", "per_page"):
name = getattr(table, u"prefixed_%s_field" % x)
try:
kwargs[x] = int(self.request.GET[name])
except (ValueError, KeyError):
pass
table.paginate(**kwargs)
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