def parse_timestamp(request, name, default_value=None, required=True):
'''Parses any valid ISO datetime, duration, or timestamp parameter from the given request.
:param request: The context of an active HTTP request.
:type request: :class:`rest_framework.request.Request`
:param name: The name of the parameter to parse.
:type name: str
:param default_value: The name of the parameter to parse.
:type default_value: datetime.timedelta
:param required: Indicates whether or not the parameter is required. An exception will be raised if the parameter
does not exist, there is no default value, and required is True.
:type required: bool
:returns: The value of the named parameter or the default value if provided.
:rtype: datetime.datetime
:raises :class:`util.rest.BadParameter`: If the value cannot be parsed.
'''
value = _get_param(request, name, default_value, required)
if not isinstance(value, basestring):
return value
try:
result = parse_util.parse_timestamp(value)
if result:
return result
raise
except:
raise BadParameter('Invalid ISO timestamp format for parameter: %s' % name)
def parse_timestamp(request, name, default_value=None, required=True):
"""Parses any valid ISO datetime, duration, or timestamp parameter from the given request.
:param request: The context of an active HTTP request.
:type request: :class:`rest_framework.request.Request`
:param name: The name of the parameter to parse.
:type name: string
:param default_value: The name of the parameter to parse.
:type default_value: datetime.datetime or datetime.timedelta or string
:param required: Indicates whether or not the parameter is required. An exception will be raised if the parameter
does not exist, there is no default value, and required is True.
:type required: bool
:returns: The value of the named parameter or the default value if provided.
:rtype: datetime.datetime
:raises :class:`util.rest.BadParameter`: If the value cannot be parsed.
"""
value = _get_param(request, name, default_value, required)
if not isinstance(value, basestring):
return value
try:
result = parse_util.parse_timestamp(value)
if result:
return result
raise
except:
raise BadParameter('Invalid ISO timestamp format for parameter: %s' %
name)
def test_parse_timestamp_datetime(self):
"""Tests parsing a valid ISO datetime."""
self.assertEqual(parse_util.parse_timestamp('2015-01-01T00:00:00Z'),
datetime.datetime(2015, 1, 1, tzinfo=utc))
def test_parse_timestamp_duration(self, mock_now):
"""Tests parsing a valid ISO duration."""
mock_now.return_value = datetime.datetime(2015, 1, 1, 10, tzinfo=utc)
self.assertEqual(parse_util.parse_timestamp('PT3H0M0S'),
datetime.datetime(2015, 1, 1, 7, tzinfo=utc))
def test_parse_timestamp_datetime(self):
"""Tests parsing a valid ISO datetime."""
self.assertEqual(parse_util.parse_timestamp('2015-01-01T00:00:00Z'),
datetime.datetime(2015, 1, 1, tzinfo=timezone.utc))
def test_parse_timestamp_duration(self, mock_now):
"""Tests parsing a valid ISO duration."""
mock_now.return_value = datetime.datetime(2015, 1, 1, 10, tzinfo=timezone.utc)
self.assertEqual(parse_util.parse_timestamp('PT3H0M0S'), datetime.datetime(2015, 1, 1, 7, tzinfo=timezone.utc))
