def validate_timestamp(self, timestamp):
_assert_condition(0 <= timestamp.nanos < 1000000000,
'Timestamp nanos exceeds limit for field')
_assert_condition(
datastore_pbs.is_in_rfc_3339_bounds(timestamp.seconds * 1000 *
1000),
'Timestamp seconds exceeds limit for field')
def __validate_value_meaning_constraints(self, constraint, value):
"""Checks constraints on values that result from their meaning.
For example, some meanings cause the length of a value to be constrained.
Args:
constraint: a _ValidationConstraint to apply
value: an googledatastore.Value
Raises:
ValidationError: if the value is invalid
"""
meaning = value.meaning
if not meaning:
return
if meaning == datastore_pbs.MEANING_BYTESTRING:
_assert_condition(
(len(value.blob_value) <=
datastore_pbs.MAX_INDEXED_BLOB_BYTES),
('Blob value with meaning %d has more than '
'permitted %d bytes.' %
(meaning, datastore_pbs.MAX_INDEXED_BLOB_BYTES)))
elif meaning in (datastore_pbs.MEANING_TEXT,
datastore_pbs.MEANING_ZLIB):
_assert_condition(value.exclude_from_indexes,
'Indexed value has meaning %d.' % meaning)
elif meaning == datastore_pbs.MEANING_URL:
_assert_condition(
(len(value.string_value) <= datastore_pbs.MAX_URL_CHARS),
'URL value has more than permitted %d characters.' %
datastore_pbs.MAX_URL_CHARS)
elif meaning == datastore_pbs.MEANING_NON_RFC_3339_TIMESTAMP:
_assert_condition(
not datastore_pbs.is_in_rfc_3339_bounds(value.integer_value),
('A timestamp in range [0001-01-01T00:00:00Z, '
'9999-12-31T23:59:59.999999Z] must be stored as a timestamp '
'value.'))
elif meaning == datastore_pbs.MEANING_PERCENT:
_assert_condition(
(value.integer_value >= 0 and value.integer_value <= 100),
'Percent value outside permitted range [0, 100].')
elif meaning == datastore_pbs.MEANING_PREDEFINED_ENTITY_USER:
self._validate_predefined_entity_value(
value.entity_value, 'user', _USER_ENTITY_PROPERTY_MAP,
_USER_ENTITY_REQUIRED_PROPERTIES)
elif meaning == datastore_pbs.MEANING_INDEX_ONLY:
_assert_condition(
constraint.meaning_index_only_allowed,
'Value has meaning %d.' % datastore_pbs.MEANING_INDEX_ONLY)
def __validate_value_meaning_constraints(self, constraint, value):
"""Checks constraints on values that result from their meaning.
For example, some meanings cause the length of a value to be constrained.
Args:
constraint: a _ValidationConstraint to apply
value: an googledatastore.Value
Raises:
ValidationError: if the value is invalid
"""
meaning = value.meaning
if not meaning:
return
if meaning == datastore_pbs.MEANING_BYTESTRING:
_assert_condition((len(value.blob_value)
<= datastore_pbs.MAX_INDEXED_BLOB_BYTES),
('Blob value with meaning %d has more than '
'permitted %d bytes.'
% (meaning, datastore_pbs.MAX_INDEXED_BLOB_BYTES)))
elif meaning in (datastore_pbs.MEANING_TEXT, datastore_pbs.MEANING_ZLIB):
_assert_condition(value.exclude_from_indexes,
'Indexed value has meaning %d.' % meaning)
elif meaning == datastore_pbs.MEANING_URL:
_assert_condition((len(value.string_value)
<= datastore_pbs.MAX_URL_CHARS),
'URL value has more than permitted %d characters.'
% datastore_pbs.MAX_URL_CHARS)
elif meaning == datastore_pbs.MEANING_NON_RFC_3339_TIMESTAMP:
_assert_condition(
not datastore_pbs.is_in_rfc_3339_bounds(value.integer_value),
('A timestamp in range [0001-01-01T00:00:00Z, '
'9999-12-31T23:59:59.999999Z] must be stored as a timestamp '
'value.'))
elif meaning == datastore_pbs.MEANING_PERCENT:
_assert_condition((value.integer_value >= 0
and value.integer_value <= 100),
'Percent value outside permitted range [0, 100].')
elif meaning == datastore_pbs.MEANING_PREDEFINED_ENTITY_USER:
self._validate_predefined_entity_value(value.entity_value, 'user',
_USER_ENTITY_PROPERTY_MAP,
_USER_ENTITY_REQUIRED_PROPERTIES)
elif meaning == datastore_pbs.MEANING_INDEX_ONLY:
_assert_condition(constraint.meaning_index_only_allowed,
'Value has meaning %d.'
% datastore_pbs.MEANING_INDEX_ONLY)
def validate_timestamp(self, timestamp):
_assert_condition(0 <= timestamp.nanos < 1000000000,
'Timestamp nanos exceeds limit for field')
_assert_condition(
datastore_pbs.is_in_rfc_3339_bounds(timestamp.seconds * 1000 * 1000),
'Timestamp seconds exceeds limit for field')
