def _get_paging_controls(request):
"""Parses min, max, and/or count queries into A paging controls dict.
"""
min_pos = request.url.query.get('min', None)
max_pos = request.url.query.get('max', None)
count = request.url.query.get('count', None)
controls = {}
if count is not None:
try:
controls['count'] = int(count)
except ValueError:
LOGGER.debug('Request query had an invalid count: %s', count)
raise errors.CountInvalid()
if controls['count'] <= 0:
LOGGER.debug('Request query had an invalid count: %s', count)
raise errors.CountInvalid()
if min_pos is not None:
try:
controls['start_index'] = int(min_pos)
except ValueError:
controls['start_id'] = min_pos
elif max_pos is not None:
try:
controls['end_index'] = int(max_pos)
except ValueError:
controls['end_id'] = max_pos
return controls
def _get_paging_controls(request):
"""Parses start and/or limit queries into a paging controls dict.
"""
start = request.url.query.get('start', None)
limit = request.url.query.get('limit', None)
controls = {}
if limit is not None:
try:
controls['limit'] = int(limit)
except ValueError:
LOGGER.debug('Request query had an invalid limit: %s', limit)
raise errors.CountInvalid()
if controls['limit'] <= 0:
LOGGER.debug('Request query had an invalid limit: %s', limit)
raise errors.CountInvalid()
if start is not None:
controls['start'] = start
return controls
