def update_object(self, columns, extra_fields, state):
"""
Actually do the action, like create or update an object.
"""
if extra_fields:
errors = {}
for key in extra_fields.keys():
errors[key] = Invalid(
self.message('notExpected', state, name=repr(key)),
columns, state)
raise Invalid(
schema.format_compound_error(errors),
columns, state,
error_dict=errors)
obj = self.object()
create = False
if self.instance():
if obj.id != columns['id']:
raise Invalid(self.message('badID', state, value=columns['id']),
columns['id'], state)
del columns['id']
elif 'id' in columns:
obj = obj.get(columns['id'])
del columns['id']
else:
create = True
if create:
obj = obj(**columns)
else:
obj.set(**columns)
return obj
def attempt_convert(self, value, state, validate):
if self.convert_to_list:
value = self._convert_to_list(value)
if self.if_empty is not NoDefault and not value:
return self.if_empty
if self.not_empty and not value:
if validate is from_python and self.accept_python:
return []
raise Invalid(
self.message('empty', state),
value, state)
new_list = []
errors = []
all_good = True
is_set = isinstance(value, (set, Set))
if state is not None:
previous_index = getattr(state, 'index', NoDefault)
previous_full_list = getattr(state, 'full_list', NoDefault)
index = 0
state.full_list = value
try:
for sub_value in value:
if state:
state.index = index
index += 1
good_pass = True
for validator in self.validators:
try:
sub_value = validate(validator, sub_value, state)
except Invalid, e:
errors.append(e)
all_good = False
good_pass = False
break
if good_pass:
errors.append(None)
new_list.append(sub_value)
if all_good:
if is_set:
new_list = set(new_list)
return new_list
else:
raise Invalid(
'Errors:\n%s' % '\n'.join([unicode(e) for e in errors if e]),
value,
state,
error_list=errors)
def to_python(self, value_dict, state):
# Since we aren't really supposed to modify things in-place,
# we'll give the validation function a copy:
value_dict = value_dict.copy()
errors = self.func(value_dict, state, self)
if not errors:
return value_dict
if isinstance(errors, basestring):
raise Invalid(errors, value_dict, state)
elif isinstance(errors, dict):
raise Invalid(format_compound_error(errors),
value_dict,
state,
error_dict=errors)
elif isinstance(errors, Invalid):
raise errors
else:
raise TypeError("Invalid error value: %r" % errors)
return value_dict
def _to_python(self, value_dict, state):
value_dict = value_dict.copy()
add_values = {}
if self.instance() or value_dict.get('id'):
if not self.instance() and not self.allow_edit:
raise Invalid(self.message('editNotAllowed', state, value=value_dict['id']),
value_dict['id'], state)
if 'id' not in value_dict:
raise Invalid(self.message('missingValue', state),
None, state)
id = value_dict.pop('id')
if self.sign_id:
id = self._signer.to_python(id)
try:
id = self.object().sqlmeta.idType(id)
except ValueError, e:
raise Invalid(self.message('invalidID', state, error=e),
id, state)
add_values['id'] = id
def assert_dict(self, value, state):
"""
Helper to assure we have proper input
"""
if not hasattr(value, 'items'):
# Not a dict or dict-like object
raise Invalid(
self.message('badDictType',
state,
type=type(value),
value=value), value, state)
def _to_python_dictionary(self, value_dict, state):
obj = self.object()
sqlmeta = obj.sqlmeta
columns = sqlmeta.columns
extra = value_dict.copy()
found = []
for name, value in value_dict.items():
if name not in columns:
continue
found.append(name)
del extra[name]
if columns[name].validator:
# We throw the result away, but let the exception
# get through
columns[name].validator.to_python(value, state)
if columns[name].notNone and value is None:
# This isn't present in the validator information
exc = Invalid(self.message('notNone', state),
value, state)
raise Invalid(
'%s: %s' % (name, exc),
value_dict, state,
error_dict={name: exc})
if not isinstance(obj, sqlobject.SQLObject):
for name, column in columns.items():
if (name not in found
and column.default is sqlobject.col.NoDefault):
exc = Invalid(self.message('missingValue', state),
value_dict, state)
raise Invalid(
'%s: %s' % (name, exc),
value_dict, state,
error_dict={name: exc})
for key in extra:
del value_dict[key]
return value_dict, extra
def _convert_from_python(self, value_dict, state):
chained = self.chained_validators[:]
chained.reverse()
finished = []
for validator in chained:
__traceback_info__ = (
'for_python chained_validator %s (finished %s)') % (
validator, ', '.join(map(repr, finished)) or 'none')
finished.append(validator)
value_dict = validator.from_python(value_dict, state)
self.assert_dict(value_dict, state)
new = {}
errors = {}
unused = self.fields.keys()
if state is not None:
previous_key = getattr(state, 'key', None)
previous_full_dict = getattr(state, 'full_dict', None)
state.full_dict = value_dict
try:
__traceback_info__ = None
for name, value in value_dict.iteritems():
__traceback_info__ = 'for_python in %s' % name
try:
unused.remove(name)
except ValueError:
if not self.allow_extra_fields:
raise Invalid(
self.message('notExpected', state,
name=repr(name)), value_dict, state)
if not self.filter_extra_fields:
new[name] = value
else:
if state is not None:
state.key = name
try:
new[name] = self.fields[name].from_python(value, state)
except Invalid, e:
errors[name] = e
del __traceback_info__
for name in unused:
validator = self.fields[name]
if state is not None:
state.key = name
try:
new[name] = validator.from_python(None, state)
except Invalid, e:
errors[name] = e
def _convert_to_python(self, value_dict, state):
if not value_dict:
if self.if_empty is not NoDefault:
return self.if_empty
value_dict = {}
for validator in self.pre_validators:
value_dict = validator.to_python(value_dict, state)
self.assert_dict(value_dict, state)
new = {}
errors = {}
unused = self.fields.keys()
if state is not None:
previous_key = getattr(state, 'key', None)
previous_full_dict = getattr(state, 'full_dict', None)
state.full_dict = value_dict
try:
for name, value in value_dict.items():
try:
unused.remove(name)
except ValueError:
if not self.allow_extra_fields:
raise Invalid(
self.message('notExpected', state,
name=repr(name)), value_dict, state)
if not self.filter_extra_fields:
new[name] = value
continue
validator = self.fields[name]
# are iterators (list, tuple, set, etc) allowed?
if self._value_is_iterator(value) and not getattr(
validator, 'accept_iterator', False):
errors[name] = Invalid(
self.message('singleValueExpected', state), value_dict,
state)
if state is not None:
state.key = name
try:
new[name] = validator.to_python(value, state)
except Invalid, e:
errors[name] = e
for name in unused:
validator = self.fields[name]
try:
if_missing = validator.if_missing
except AttributeError:
if_missing = NoDefault
if if_missing is NoDefault:
if self.ignore_key_missing:
continue
if self.if_key_missing is NoDefault:
try:
message = validator.message('missing', state)
except KeyError:
message = self.message('missingValue', state)
errors[name] = Invalid(message, None, state)
else:
if state is not None:
state.key = name
try:
new[name] = validator.to_python(
self.if_key_missing, state)
except Invalid, e:
errors[name] = e
else:
new[name] = validator.if_missing
for validator in self.chained_validators:
if (not hasattr(validator, 'validate_partial') or not getattr(
validator, 'validate_partial_form', False)):
continue
try:
validator.validate_partial(value_dict, state)
except Invalid, e:
sub_errors = e.unpack_errors()
if not isinstance(sub_errors, dict):
# Can't do anything here
continue
merge_dicts(errors, sub_errors)
if errors:
raise Invalid(format_compound_error(errors),
value_dict,
state,
error_dict=errors)
for validator in self.chained_validators:
new = validator.to_python(new, state)
return new
finally:
if state is not None:
state.key = previous_key
state.full_dict = previous_full_dict
def _convert_from_python(self, value_dict, state):
chained = self.chained_validators[:]
chained.reverse()
