def registerValidation(mapped, exclude=None):
'''
Register to mapped class all the validations that can be performed based on the SQL alchemy mapping.
@param mapped: class
The mapped model class.
@param exclude: list[string]|tuple(string)
A list of column names to be excluded from automatic validation.
@return: Property
The property id of the model.
'''
assert isclass(mapped), 'Invalid class %s' % mapped
mapper, typeModel = mappingFor(mapped), typeFor(mapped)
assert isinstance(mapper, Mapper), 'Invalid mapped class %s' % mapped
assert isinstance(typeModel, TypeModel), 'Invalid model class %s' % mapped
assert not exclude or isinstance(exclude, (list, tuple)), 'Invalid exclude %s' % exclude
model = typeModel.container
assert isinstance(model, Model)
properties = set(model.properties)
for cp in mapper.iterate_properties:
if not isinstance(cp, ColumnProperty): continue
assert isinstance(cp, ColumnProperty)
if cp.key:
prop = cp.key
try: properties.remove(prop)
except KeyError: continue
if not (exclude and prop in exclude):
propRef = getattr(mapped, prop)
column = getattr(mapper.c, cp.key, None)
assert isinstance(column, Column), 'Invalid column %s' % column
if __debug__:
propType = typeFor(propRef)
assert isinstance(propType, TypeModelProperty), 'Invalid property %s with type %s' % (prop, propType)
if column.primary_key and column.autoincrement:
if prop != model.propertyId:
raise MappingError('The primary key is expected to be %s, but got SQL primary key for %s' %
(model.propertyId, prop))
validateAutoId(propRef)
elif not column.nullable:
validateRequired(propRef)
if isinstance(column.type, String) and column.type.length:
validateMaxLength(propRef, column.type.length)
if column.unique:
validateProperty(propRef, partial(onPropertyUnique, mapped))
if column.foreign_keys:
for fk in column.foreign_keys:
assert isinstance(fk, ForeignKey)
try: fkcol = fk.column
except AttributeError:
raise MappingError('Invalid foreign column for %s, maybe you are not using the meta class'
% prop)
validateProperty(propRef, partial(onPropertyForeignKey, mapped, fkcol), index=INDEX_PROP_FK)
for prop in properties:
if not (exclude and prop in exclude): validateManaged(getattr(mapped, prop))
def __init__(self):
'''
Construct the language service.
'''
EntityNQServiceAlchemy.__init__(self, LanguageEntity)
locales = [(code, Locale.parse(code)) for code in locale_identifiers()]
locales.sort(key=lambda pack: pack[0])
self._locales = OrderedDict(locales)
validateProperty(LanguageEntity.Code, self._validateCode)
def __init__(self):
'''
Construct the language service.
'''
EntityNQServiceAlchemy.__init__(self, LanguageEntity)
locales = [(code, Locale.parse(code)) for code in locale_identifiers()]
locales.sort(key=lambda pack: pack[0])
self._locales = OrderedDict(locales)
validateProperty(LanguageEntity.Code, self._validateCode)
def registerValidation(mapped, exclude=None):
'''
Register to mapped class all the validations that can be performed based on the SQL alchemy mapping.
@param mapped: class
The mapped model class.
@param exclude: list[string]|tuple(string)
A list of column names to be excluded from automatic validation.
@return: Property
The property id of the model.
'''
assert isclass(mapped), 'Invalid class %s' % mapped
mapper, typeModel = mappingFor(mapped), typeFor(mapped)
assert isinstance(mapper, Mapper), 'Invalid mapped class %s' % mapped
assert isinstance(typeModel, TypeModel), 'Invalid model class %s' % mapped
assert not exclude or isinstance(
exclude, (list, tuple)), 'Invalid exclude %s' % exclude
model = typeModel.container
assert isinstance(model, Model)
properties = set(model.properties)
for cp in mapper.iterate_properties:
if not isinstance(cp, ColumnProperty): continue
assert isinstance(cp, ColumnProperty)
if cp.key:
prop = cp.key
try:
properties.remove(prop)
except KeyError:
continue
if not (exclude and prop in exclude):
propRef = getattr(mapped, prop)
column = getattr(mapper.c, cp.key, None)
assert isinstance(column, Column), 'Invalid column %s' % column
if __debug__:
propType = typeFor(propRef)
assert isinstance(
propType, TypeModelProperty
), 'Invalid property %s with type %s' % (prop, propType)
if column.primary_key and column.autoincrement:
if prop != model.propertyId:
raise MappingError(
'The primary key is expected to be %s, but got SQL primary key for %s'
% (model.propertyId, prop))
validateAutoId(propRef)
elif not column.nullable:
validateRequired(propRef)
if isinstance(column.type, String) and column.type.length:
validateMaxLength(propRef, column.type.length)
if column.unique:
validateProperty(propRef, partial(onPropertyUnique,
mapped))
if column.foreign_keys:
for fk in column.foreign_keys:
assert isinstance(fk, ForeignKey)
try:
fkcol = fk.column
except AttributeError:
raise MappingError(
'Invalid foreign column for %s, maybe you are not using the meta class'
% prop)
validateProperty(propRef,
partial(onPropertyForeignKey, mapped,
fkcol),
index=INDEX_PROP_FK)
for prop in properties:
if not (exclude and prop in exclude):
validateManaged(getattr(mapped, prop))
