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 isCompatible(theProperty, withProperty):
'''
Checks if the provided property type is compatible with the provided type.
@param theProperty: TypeProperty container
The property type to check if compatible with the type.
@param withProperty: TypeProperty container
The type to check.
@return: boolean
True if the property type is compatible with the provided type.
'''
typ, wtyp = typeFor(theProperty), typeFor(withProperty)
if not isinstance(typ, TypeProperty): return False
assert isinstance(typ, TypeProperty)
if not isinstance(typ.parent, TypeContainer): return False
assert isinstance(typ.parent, TypeContainer)
if not isinstance(wtyp, TypeProperty): return False
assert isinstance(wtyp, TypeProperty)
if not isinstance(wtyp.parent, TypeContainer): return False
assert isinstance(wtyp.parent, TypeContainer)
if typ.name != wtyp.name: return False
if typ.type != wtyp.type: return False
if not issubclass(wtyp.parent.clazz, typ.parent.clazz): return False
return True
def isCompatible(theProperty, withProperty):
'''
Checks if the provided property type is compatible with the provided type.
@param theProperty: TypeProperty container
The property type to check if compatible with the type.
@param withProperty: TypeProperty container
The type to check.
@return: boolean
True if the property type is compatible with the provided type.
'''
typ, wtyp = typeFor(theProperty), typeFor(withProperty)
if not isinstance(typ, TypeProperty): return False
assert isinstance(typ, TypeProperty)
if not isinstance(typ.parent, TypeContainer): return False
assert isinstance(typ.parent, TypeContainer)
if not isinstance(wtyp, TypeProperty): return False
assert isinstance(wtyp, TypeProperty)
if not isinstance(wtyp.parent, TypeContainer): return False
assert isinstance(wtyp.parent, TypeContainer)
if typ.name != wtyp.name: return False
if typ.type != wtyp.type: return False
if not issubclass(wtyp.parent.clazz, typ.parent.clazz): return False
return True
def add(self, forRef, theRef):
'''
Adds 'theRef' reference as an alternate 'forRef' reference.
@param forRef: tuple(class, string)
The call reference for which the alternate is specified.
@param theRef: tuple(class, string)
The call reference which is an alternative the for reference.
@return: self
This instance for chaining purposes.
'''
assert isinstance(forRef, tuple), 'Invalid for reference %s' % forRef
assert isinstance(theRef, tuple), 'Invalid the reference %s' % theRef
clazz, forName = forRef
forService = typeFor(clazz)
assert isinstance(forService,
TypeService), 'Invalid service class %s' % clazz
assert isinstance(forService.service, Service)
assert forName in forService.service.calls, 'Invalid service call name %s' % forName
clazz, theName = theRef
theService = typeFor(clazz)
assert isinstance(theService,
TypeService), 'Invalid service class %s' % clazz
assert isinstance(theService.service, Service)
assert theName in theService.service.calls, 'Invalid service call name %s' % theName
key = (forService, forService.service.calls[forName])
alternates = self._alternates.get(key)
if alternates is None: alternates = self._alternates[key] = set()
alternates.add((theService, theService.service.calls[theName]))
return self
def processWithRepository(self, alternatesRepository, invoker, invokerAlt):
'''
Process the invoker and alternate invoker against the alternates repository.
@return: boolean
True if the invoker and alternate invoker are configured in the repository.
'''
assert isinstance(
alternatesRepository,
dict), 'Invalid alternates repository %s' % alternatesRepository
if invoker == invokerAlt:
return True # If the invoker is the same with the alternate it is valid by default
invokerCall, invokerCallAlt = invokerCallOf(invoker), invokerCallOf(
invokerAlt)
if not invoker or not invokerCallAlt:
return False # If there are no invoker call then we cannot add them
assert isinstance(invokerCall, InvokerCall)
assert isinstance(invokerCallAlt, InvokerCall)
alternates = alternatesRepository.get(
(typeFor(invokerCallAlt.implementation), invokerCallAlt.call))
if alternates is None:
return False # There is no alternate repository configuration for the invoker
try:
alternates.remove(
(typeFor(invokerCall.implementation), invokerCall.call))
except KeyError:
return False # Not found in the repository alternate
return True
def __init__(self, Entity, QEntity=None):
'''
Construct the entity support for the provided model class and query class.
@param Entity: class
The mapped entity model class.
@param QEntity: class|None
The query mapped class if there is one.
'''
assert isclass(Entity), 'Invalid class %s' % Entity
assert issubclass(Entity, api.Entity), 'Invalid entity class %s' % Entity
assert isinstance(Entity, MappedSupport), 'Invalid mapped class %s' % Entity
self.modelType = typeFor(Entity)
assert isinstance(self.modelType, TypeModel), 'Invalid model class %s' % Entity
self.model = self.modelType.container
self.Entity = Entity
if QEntity is not None:
assert isclass(QEntity), 'Invalid class %s' % QEntity
assert issubclass(QEntity, api.QEntity), 'Invalid query entity class %s' % QEntity
self.queryType = typeFor(QEntity)
assert isinstance(self.queryType, TypeQuery), 'Invalid query class %s' % QEntity
self.query = self.queryType.query
else:
self.query = self.queryType = None
self.QEntity = QEntity
def testSuccesModel(self):
a = APIModel()
modelType = typeFor(APIModel)
self.assertTrue(isinstance(modelType, TypeModel))
self.assertTrue(len(modelType.properties) == 5)
self.assertTrue(APIModel.X not in a)
self.assertTrue(a.X == None)
a.X = None
self.assertTrue(APIModel.X in a)
self.assertTrue(a.X == None)
self.assertTrue(isinstance(APIModel.X, Reference))
a.X = 100
self.assertTrue(a.X == 100)
a.X = 101.2
self.assertTrue(a.X == 101.2)
self.assertTrue(APIModel.Y not in a)
a.Y = 'heloo'
self.assertTrue(APIModel.Y in a)
self.assertTrue(a.Y == 'heloo')
self.assertTrue(typeFor(APIModel.Y).type.isOf(str))
del a.Y
self.assertTrue(a.Y == None)
self.assertTrue(typeFor(APIModel.Entity.Id).type.isOf(str))
a.Entity = '121'
self.assertTrue(APIModel.Entity in a)
self.assertTrue(isinstance(a.Entity, str))
self.assertTrue(a.Entity == '121')
del a.Entity
self.assertTrue(a.Entity == None)
def testSuccesModel(self):
a = APIModel()
modelType = typeFor(APIModel)
self.assertTrue(isinstance(modelType, TypeModel))
self.assertTrue(len(modelType.properties) == 5)
self.assertTrue(APIModel.X not in a)
self.assertTrue(a.X == None)
a.X = None
self.assertTrue(APIModel.X in a)
self.assertTrue(a.X == None)
self.assertTrue(isinstance(APIModel.X, Reference))
a.X = 100
self.assertTrue(a.X == 100)
a.X = 101.2
self.assertTrue(a.X == 101.2)
self.assertTrue(APIModel.Y not in a)
a.Y = 'heloo'
self.assertTrue(APIModel.Y in a)
self.assertTrue(a.Y == 'heloo')
self.assertTrue(typeFor(APIModel.Y).type.isOf(str))
del a.Y
self.assertTrue(a.Y == None)
self.assertTrue(typeFor(APIModel.Entity.Id).type.isOf(str))
a.Entity = '121'
self.assertTrue(APIModel.Entity in a)
self.assertTrue(isinstance(a.Entity, str))
self.assertTrue(a.Entity == '121')
del a.Entity
self.assertTrue(a.Entity == None)
def equalContainer(ainstance, oinstance, exclude=()):
'''
Checks if the values for the provided instances are equal, this means that all properties except the ones in exclude
need to be equal.
@param ainstance: container object
A container instance to check.
@param oinstance: container object
The other instance to check.
@param exclude: list[string]|tuple(string)|set(string)
A list of properties names to exclude from equal check.
@return: boolean
True if the instances are equal, False otherwise.
'''
assert ainstance is not None and oinstance is not None, 'Invalid instances %s, %s' % (ainstance, oinstance)
atype, otype = typeFor(ainstance), typeFor(oinstance)
assert isinstance(atype, TypeContainer), 'Invalid container %s' % ainstance
assert isinstance(otype, TypeContainer), 'Invalid container %s' % oinstance
if atype != otype:
properties = set(atype.properties)
properties.symmetric_difference_update(otype.properties)
properties.difference_update(exclude)
if properties: return False # It means that they are properties that are not accounted for in one of the containers.
for name in atype.properties:
if name in exclude: continue
if getattr(ainstance, name) != getattr(oinstance, name): return False
return True
def add(self, forRef, theRef):
'''
Adds 'theRef' reference as an alternate 'forRef' reference.
@param forRef: tuple(class, string)
The call reference for which the alternate is specified.
@param theRef: tuple(class, string)
The call reference which is an alternative the for reference.
@return: self
This instance for chaining purposes.
'''
assert isinstance(forRef, tuple), 'Invalid for reference %s' % forRef
assert isinstance(theRef, tuple), 'Invalid the reference %s' % theRef
clazz, forName = forRef
forService = typeFor(clazz)
assert isinstance(forService, TypeService), 'Invalid service class %s' % clazz
assert isinstance(forService.service, Service)
assert forName in forService.service.calls, 'Invalid service call name %s' % forName
clazz, theName = theRef
theService = typeFor(clazz)
assert isinstance(theService, TypeService), 'Invalid service class %s' % clazz
assert isinstance(theService.service, Service)
assert theName in theService.service.calls, 'Invalid service call name %s' % theName
key = (forService, forService.service.calls[forName])
alternates = self._alternates.get(key)
if alternates is None: alternates = self._alternates[key] = set()
alternates.add((theService, theService.service.calls[theName]))
return self
def processHintReplace(self, invoker, prevInvoker):
"""
Processes the replace for hint for the invokers.
@param invoker: Invoker
The invoker to be processed.
@param prevInvoker: Invoker|None
The previous invoker found on the node if is the case.
@return: Invoker
The invoker to be used.
"""
assert isinstance(invoker, Invoker), "Invalid invoker %s" % invoker
if prevInvoker:
replace = invoker.hints.get(self.hintCallReplaceFor)
if replace is None:
if isinstance(prevInvoker, Invoker):
assert isinstance(prevInvoker, Invoker)
replace = prevInvoker.hints.get(self.hintCallReplaceFor)
if replace is None:
raise AssembleError(
"Invoker %s conflicts with invoker %s and none of them has a replace specified"
% (invoker, prevInvoker)
)
prevInvoker, invoker = invoker, prevInvoker
typ = typeFor(replace)
assert isinstance(typ, TypeService), (
"Invalid replace for reference %s, cannot extract a service from it, provide a service API" % replace
)
if typeFor(prevInvoker.implementation) != typ:
raise AssembleError(
"The current invoker %s does not belong to the targeted replaced service %s" % (prevInvoker, typ)
)
return invoker
def testSuccesSimpleMapping(self):
self.assertTrue(typeFor(UserMapped.Id).isOf(int))
self.assertTrue(typeFor(UserMapped.Name).isOf(str))
session = self.sessionCreate()
user = UserMapped()
self.assertTrue(UserMapped.Id not in user)
self.assertTrue(UserMapped.Name not in user)
user.Name = 'Hello world'
self.assertTrue(UserMapped.Name in user)
self.assertTrue(UserMapped.Id not in user)
session.add(user)
session.flush((user,))
self.assertTrue(UserMapped.Id in user)
session.commit()
session.close()
session = self.sessionCreate()
users = session.query(UserMapped).filter(UserMapped.Name == 'Hello world').all()
self.assertEqual(len(users), 1)
self.assertTrue(UserMapped.Id in users[0])
self.assertTrue(UserMapped.Name in users[0])
self.assertEqual(users[0].Name, 'Hello world')
self.assertEqual(users[0].Id, 1)
session.close()
def __init__(self, Mapped, QEntity=None, **mapping):
'''
Construct the entity support for the provided model class and query class.
@param Mapped: class
The mapped entity model class.
@param QEntity: class|None
The query mapped class if there is one.
@param mapping: key arguments of columns
The column mappings provided for criteria name in case they are needed, this is only used if a QEntity is
provided.
'''
assert isclass(Mapped), 'Invalid class %s' % Mapped
assert isinstance(Mapped, MappedSupport), 'Invalid mapped class %s' % Mapped
model = typeFor(Mapped)
assert isinstance(model, TypeModel), 'Invalid model class %s' % Mapped
assert isinstance(model.propertyId, TypeProperty), 'Invalid model property id %s' % model.propertyId
self.Entity = model.clazz
self.Mapped = Mapped
self.MappedId = modelId(Mapped)
if QEntity is not None:
assert isclass(QEntity), 'Invalid class %s' % QEntity
assert isinstance(typeFor(QEntity), TypeQuery), 'Invalid query entity class %s' % QEntity
if __debug__:
for name in mapping:
assert name in typeFor(QEntity).properties, 'Invalid criteria name \'%s\' for %s' % (name, QEntity)
self._mapping = mapping
else: assert not mapping, 'Illegal mappings %s with no QEntity provided' % mapping
self.QEntity = QEntity
def equalContainer(ainstance, oinstance, exclude=()):
'''
Checks if the values for the provided instances are equal, this means that all properties except the ones in exclude
need to be equal.
@param ainstance: container object
A container instance to check.
@param oinstance: container object
The other instance to check.
@param exclude: list[string]|tuple(string)|set(string)
A list of properties names to exclude from equal check.
@return: boolean
True if the instances are equal, False otherwise.
'''
assert ainstance is not None and oinstance is not None, 'Invalid instances %s, %s' % (
ainstance, oinstance)
atype, otype = typeFor(ainstance), typeFor(oinstance)
assert isinstance(atype, TypeContainer), 'Invalid container %s' % ainstance
assert isinstance(otype, TypeContainer), 'Invalid container %s' % oinstance
if atype != otype:
properties = set(atype.properties)
properties.symmetric_difference_update(otype.properties)
properties.difference_update(exclude)
if properties:
return False # It means that they are properties that are not accounted for in one of the containers.
for name in atype.properties:
if name in exclude: continue
if getattr(ainstance, name) != getattr(oinstance, name): return False
return True
def __init__(self, Entity, QEntity=None):
'''
Construct the entity support for the provided model class and query class.
@param Entity: class
The mapped entity model class.
@param QEntity: class|None
The query mapped class if there is one.
'''
assert isclass(Entity), 'Invalid class %s' % Entity
assert issubclass(Entity,
api.Entity), 'Invalid entity class %s' % Entity
assert isinstance(Entity,
MappedSupport), 'Invalid mapped class %s' % Entity
self.modelType = typeFor(Entity)
assert isinstance(self.modelType,
TypeModel), 'Invalid model class %s' % Entity
self.model = self.modelType.container
self.Entity = Entity
if QEntity is not None:
assert isclass(QEntity), 'Invalid class %s' % QEntity
assert issubclass(
QEntity,
api.QEntity), 'Invalid query entity class %s' % QEntity
self.queryType = typeFor(QEntity)
assert isinstance(self.queryType,
TypeQuery), 'Invalid query class %s' % QEntity
self.query = self.queryType.query
else:
self.query = self.queryType = None
self.QEntity = QEntity
def processHintReplace(self, invoker, prevInvoker):
'''
Processes the replace for hint for the invokers.
@param invoker: Invoker
The invoker to be processed.
@param prevInvoker: Invoker|None
The previous invoker found on the node if is the case.
@return: Invoker
The invoker to be used.
'''
assert isinstance(invoker, Invoker), 'Invalid invoker %s' % invoker
if prevInvoker:
replace = invoker.hints.get(self.hintCallReplaceFor)
if replace is None:
if isinstance(prevInvoker, Invoker):
assert isinstance(prevInvoker, Invoker)
replace = prevInvoker.hints.get(self.hintCallReplaceFor)
if replace is None:
raise AssembleError(
'Invoker %s conflicts with invoker %s and none of them has a replace specified'
% (invoker, prevInvoker))
prevInvoker, invoker = invoker, prevInvoker
typ = typeFor(replace)
assert isinstance(typ, TypeService), \
'Invalid replace for reference %s, cannot extract a service from it, provide a service API' % replace
if typeFor(prevInvoker.implementation) != typ:
raise AssembleError(
'The current invoker %s does not belong to the targeted replaced service %s'
% (prevInvoker, typ))
return invoker
def __init__(self):
assert isinstance(self.resourcesRoot,
Node), 'Invalid root node %s' % self.resourcesRoot
node = NodePath(self.resourcesRoot, True, 'MemoryStatus')
node.get = InvokerFunction(GET, self.present, typeFor(Non), [
Input('limit', typeFor(Integer), True, None),
Input('include', typeFor(String), True, None),
Input('exclude', typeFor(String), True, None),
], {})
def __init__(self):
'''
Construct the item service.
'''
self.Entity = ItemMapped
self.QEntity = QItem
self.modelType = typeFor(self.Entity)
self.model = self.modelType.container
self.queryType = typeFor(QItem)
def __init__(self):
assert isinstance(self.resourcesRoot, Node), 'Invalid root node %s' % self.resourcesRoot
node = NodePath(self.resourcesRoot, True, 'MemoryStatus')
node.get = InvokerFunction(GET, self.present, typeFor(Non),
[
Input('limit', typeFor(Integer), True, None),
Input('include', typeFor(String), True, None),
Input('exclude', typeFor(String), True, None),
], {})
def __init__(self):
'''
Construct the item service.
'''
self.Entity = ItemMapped
self.QEntity = QItem
self.modelType = typeFor(self.Entity)
self.model = self.modelType.container
self.queryType = typeFor(QItem)
def signature(obj):
'''
Provides the signature for the provided type.
@param obj: Type or container for type container
The type to provide the signature for.
@return: string
The signature.
'''
ftype = typeFor(obj)
assert isinstance(ftype, Type), 'Invalid type %s' % ftype
if ftype in _signature_cache: return _signature_cache[ftype]
names, ctype, bname = [], ftype, '%s'
if isinstance(ctype, Iter):
assert isinstance(ctype, Iter)
bname = '%s[%%s]' % ctype.__class__.__name__
ctype = ctype.itemType
if isinstance(ctype, (TypeProperty, TypeContainer)):
isProperty, types = isinstance(ctype, TypeProperty), [ctype]
while types:
ctype = types.pop()
if isProperty:
assert isinstance(ctype, TypeProperty), 'Invalid property type %s' % ctype
mtype = ctype.parent
assert isinstance(mtype, TypeContainer), 'Invalid parent %s' % mtype
names.append(bname % ('%s.%s.%s' % (mtype.clazz.__module__, mtype.clazz.__name__, ctype.name)))
bases = ctype.parent.clazz.__bases__
else:
assert isinstance(ctype, TypeContainer), 'Invalid container type %s' % ctype
names.append(bname % ('%s.%s' % (ctype.clazz.__module__, ctype.clazz.__name__)))
bases = ctype.clazz.__bases__
inherited = []
for base in bases:
mtype = typeFor(base)
if not isinstance(mtype, TypeContainer): continue
if isProperty:
assert isinstance(mtype, TypeContainer)
ptype = mtype.properties.get(ctype.name)
if not ptype: continue
assert isinstance(ptype, TypeProperty), 'Invalid property type %s' % ptype
if ctype.type == ptype.type: inherited.append(ptype)
else: inherited.append(mtype)
if inherited:
inherited.reverse()
types.extend(inherited)
else: names.append(bname % ctype)
signature = _signature_cache[ftype] = ''.join(('{0:0>8x}'.format(crc32(name.encode()))).upper() for name in names)
return signature
def testSuccesBoolean(self):
bt = typeFor(Boolean)
self.assertTrue(isinstance(bt, Type))
self.assertTrue(bt.isOf(bool))
self.assertTrue(bt.isValid(True))
bt = typeFor(bool)
self.assertTrue(bt.isValid(False))
self.assertTrue(bt.isValid(True))
def testSuccesBoolean(self):
bt = typeFor(Boolean)
self.assertTrue(isinstance(bt, Type))
self.assertTrue(bt.isOf(bool))
self.assertTrue(bt.isValid(True))
bt = typeFor(bool)
self.assertTrue(bt.isValid(False))
self.assertTrue(bt.isValid(True))
def __init__(self, name, bases, namespace):
assert isinstance(namespace, dict), 'Invalid namespace %s' % namespace
mapped, models = [], []
for cls in bases:
typ = typeFor(cls)
if isinstance(typ, TypeModelMapped): mapped.append(cls)
elif isinstance(typ, TypeModel): models.append(cls)
if not mapped and not models:
assert log.debug(
'Cannot find any API model class for \'%s\', no merging required',
name) or True
DeclarativeMeta.__init__(self, name, bases, namespace)
return
if len(mapped) > 1:
raise MappingError(
'Cannot inherit more then one mapped class, got %s' % models)
if len(models) > 1:
raise MappingError(
'Cannot merge with more then one API model class, got %s' %
models)
if models: typeModel = typeFor(models[0])
else: typeModel = None
if mapped:
if typeModel is None: typeModel = typeFor(mapped[0]).base
assert isinstance(typeModel, TypeModel)
typeModel = TypeModelMapped(self, typeModel)
self._ally_reference = {
prop: Reference(TypeModelProperty(typeModel, prop, propType))
for prop, propType in typeModel.container.properties.items()
}
self._ally_listeners = {} # Provides the BindableSupport
self._ally_type = typeModel # Provides the TypeSupport
DeclarativeMeta.__init__(self, name, bases, namespace)
# TODO: see if required: self.__clause_element__ = lambda: self.__table__
for prop in typeModel.container.properties:
if typeFor(getattr(self, prop)) != typeFor(
self._ally_reference[prop]):
value, _class = getAttrAndClass(self, prop)
setattr(self, prop, value)
try:
mappings = self.metadata._ally_mappers
except AttributeError:
mappings = self.metadata._ally_mappers = deque()
mappings.append(self)
def testSuccesInt(self):
it = typeFor(Integer)
self.assertTrue(isinstance(it, Type))
self.assertTrue(it.isOf(int))
self.assertTrue(it.isValid(100))
it = typeFor(int)
self.assertTrue(it.isValid(-12))
self.assertTrue(it.isValid(0))
def testSuccesStr(self):
st = typeFor(String)
self.assertTrue(isinstance(st, Type))
self.assertTrue(st.isOf(str))
self.assertTrue(st.isValid('ugu'))
st = typeFor(str)
self.assertTrue(st.isValid("heloo world"))
self.assertTrue(st.isValid('Moi'))
def testSuccesInt(self):
it = typeFor(Integer)
self.assertTrue(isinstance(it, Type))
self.assertTrue(it.isOf(int))
self.assertTrue(it.isValid(100))
it = typeFor(int)
self.assertTrue(it.isValid(-12))
self.assertTrue(it.isValid(0))
def testSuccesStr(self):
st = typeFor(String)
self.assertTrue(isinstance(st, Type))
self.assertTrue(st.isOf(str))
self.assertTrue(st.isValid('ugu'))
st = typeFor(str)
self.assertTrue(st.isValid("heloo world"))
self.assertTrue(st.isValid('Moi'))
def __init__(self, name, bases, namespace):
assert isinstance(namespace, dict), "Invalid namespace %s" % namespace
mapped, models = [], []
for cls in bases:
typ = typeFor(cls)
if isinstance(typ, TypeModelMapped):
mapped.append(cls)
elif isinstance(typ, TypeModel):
models.append(cls)
if not mapped and not models:
assert log.debug("Cannot find any API model class for '%s', no merging required", name) or True
DeclarativeMeta.__init__(self, name, bases, namespace)
return
if len(mapped) > 1:
raise MappingError("Cannot inherit more then one mapped class, got %s" % models)
if len(models) > 1:
raise MappingError("Cannot merge with more then one API model class, got %s" % models)
if models:
typeModel = typeFor(models[0])
else:
typeModel = None
if mapped:
if typeModel is None:
typeModel = typeFor(mapped[0]).base
assert isinstance(typeModel, TypeModel)
typeModel = TypeModelMapped(self, typeModel)
self._ally_reference = {
prop: Reference(TypeModelProperty(typeModel, prop, propType))
for prop, propType in typeModel.container.properties.items()
}
self._ally_listeners = {} # Provides the BindableSupport
self._ally_type = typeModel # Provides the TypeSupport
DeclarativeMeta.__init__(self, name, bases, namespace)
# TODO: see if required: self.__clause_element__ = lambda: self.__table__
for prop in typeModel.container.properties:
if typeFor(getattr(self, prop)) != typeFor(self._ally_reference[prop]):
value, _class = getAttrAndClass(self, prop)
setattr(self, prop, value)
try:
mappings = self.metadata._ally_mappers
except AttributeError:
mappings = self.metadata._ally_mappers = deque()
mappings.append(self)
def __init__(self):
'''
Construct the handler.
'''
assert self.maximumLimit is None or isinstance(self.maximumLimit, int), 'Invalid maximum limit %s' % self.maximumLimit
assert self.defaultLimit is None or isinstance(self.defaultLimit, int), 'Invalid default limit %s' % self.defaultLimit
assert self.defaultWithTotal is None or isinstance(self.defaultWithTotal, bool), \
'Invalid default with total %s' % self.defaultWithTotal
super().__init__(Decoding=Decoding)
self.typeLimit = typeFor(Slice.limit)
self.typeTotal = typeFor(SliceAndTotal.withTotal)
def handle(e, entity):
'''
Handles the SQL alchemy exception while inserting or updating.
'''
if isinstance(e, IntegrityError):
raise InputError(
Ref(_('Cannot persist, failed unique constraints on entity'),
model=typeFor(entity).container))
if isinstance(e, OperationalError):
raise InputError(
Ref(_('A foreign key is not valid'),
model=typeFor(entity).container))
raise e
def testSuccesNumber(self):
nt = typeFor(Number)
self.assertTrue(isinstance(nt, Type))
self.assertTrue(nt.isOf(numbers.Number))
self.assertTrue(nt.isValid(100))
nt = typeFor(float)
self.assertTrue(nt.isValid(100.12))
nt = typeFor(numbers.Number)
self.assertTrue(nt.isValid(-1.12))
def testSuccesNumber(self):
nt = typeFor(Number)
self.assertTrue(isinstance(nt, Type))
self.assertTrue(nt.isOf(numbers.Number))
self.assertTrue(nt.isValid(100))
nt = typeFor(float)
self.assertTrue(nt.isValid(100.12))
nt = typeFor(numbers.Number)
self.assertTrue(nt.isValid(-1.12))
def testSuccessInheritAndForeignKey(self):
self.assertTrue(typeFor(UserWithParent.Id).isOf(int))
self.assertTrue(typeFor(UserWithParent.Name).isOf(str))
self.assertTrue(typeFor(UserWithParent.Parent).isOf(Parent))
session = self.sessionCreate()
user = UserWithParent()
self.assertTrue(UserWithParent.Id not in user)
self.assertTrue(UserWithParent.Name not in user)
self.assertTrue(UserWithParent.Parent not in user)
user.Name = 'Hello world'
self.assertTrue(UserWithParent.Name in user)
user.Parent = 1
self.assertTrue(UserWithParent.Parent in user)
self.assertTrue(UserWithParent.Id not in user)
session.add(user)
session.flush((user,))
self.assertTrue(UserWithParent.Id in user)
session.commit()
session.close()
session = self.sessionCreate()
users = session.query(UserWithParent).filter(UserWithParent.Name == 'Hello world').all()
self.assertEqual(len(users), 1)
user = users[0]
self.assertTrue(UserWithParent.Id in user)
self.assertTrue(UserWithParent.Name in user)
self.assertTrue(UserWithParent.Parent in user)
self.assertEqual(user.Name, 'Hello world')
self.assertEqual(user.Id, 1)
self.assertEqual(user.Parent, 1)
session.close()
session = self.sessionCreate()
users = session.query(UserWithParent).filter(UserWithParent.Parent == 1).all()
self.assertEqual(len(users), 1)
user = users[0]
self.assertTrue(UserWithParent.Id in user)
self.assertTrue(UserWithParent.Name in user)
self.assertTrue(UserWithParent.Parent in user)
self.assertEqual(user.Name, 'Hello world')
self.assertEqual(user.Id, 1)
self.assertEqual(user.Parent, 1)
session.close()
def updateModel(Mapped, model, **data):
'''
Updates the provided model entity using the current session.
@param Mapped: class
The mapped class to update the model for, the model type is required to have a property id.
@param model: object
The model to be updated.
@param data: key arguments
Additional data to place on the updated model.
@return: object
The database model that has been updated.
'''
assert isclass(Mapped), 'Invalid class %s' % Mapped
assert isinstance(Mapped, MappedSupport), 'Invalid mapped class %s' % Mapped
if isinstance(model, Mapped):
dbModel = model
openSession().merge(dbModel)
else:
typ = typeFor(Mapped)
assert isinstance(typ, TypeModel), 'Invalid model class %s' % Mapped
assert typ.isValid(model), 'Invalid model %s for %s' % (model, typ)
assert isinstance(typ.propertyId, TypeProperty), 'Invalid property id of %s' % typ
dbModel = openSession().query(Mapped).get(getattr(model, typ.propertyId.name))
if not dbModel: raise IdError(typ.propertyId)
for name, prop in typ.properties.items():
if name in data or not isinstance(getattr(Mapped, name), InstrumentedAttribute): continue
if prop in model: setattr(dbModel, name, getattr(model, name))
for name, value in data.items(): setattr(dbModel, name, value)
openSession().flush((dbModel,))
return dbModel
def __call__(self, value, normalizer, converter, render, resolve, name=None, **data):
assert isinstance(normalizer, Normalizer), 'Invalid normalizer %s' % normalizer
assert isinstance(converter, Converter), 'Invalid converter %s' % converter
assert isinstance(render, IRender), 'Invalid render %s' % render
assert isinstance(resolve, IResolve), 'Invalid resolve %s' % resolve
if self.getter: value = self.getter(value)
if value is None: return
assert isinstance(value, Iterable), 'Invalid value %s' % value
typeValue = typeFor(value)
if typeValue and isinstance(typeValue, TypeExtension):
assert isinstance(typeValue, TypeExtension)
assert isinstance(typeValue.container, Container)
attrs = {}
for prop, propType in typeValue.container.properties.items():
propValue = getattr(value, prop)
if propValue is not None: attrs[normalizer.normalize(prop)] = converter.asString(propValue, propType)
else: attrs = None
data.update(normalizer=normalizer, converter=converter, render=render, resolve=resolve)
render.collectionStart(normalizer.normalize(name or self.name), attrs)
resolve.queueBatch(self.exploitItem, (dict(data, value=item) for item in value))
resolve.queue(self.finalize, render=render)
def allFor(self, method, *services, filter=None):
'''
Used for adding to the right the service calls that have the specified method.
@param method: integer
The method or methods composed by using the | operator to be associated with the right.
@param service: arguments[service type]
The services types to be used.
@param filter: Filter|None
The filter to be used with the added services, for more details about filter policy.
@return: self
The self object for chaining purposes.
'''
assert isinstance(method, int), 'Invalid method %s' % method
assert services, 'At least one service is required'
for service in services:
typ = typeFor(service)
assert isinstance(typ, TypeService), 'Invalid service %s' % service
assert isinstance(typ.service, Service)
for call in typ.service.calls.values():
assert isinstance(call, Call)
if call.method & method:
structCall = self.structure.obtainCall(typ, call)
if filter: structCall.pushFilter(filter)
return self
def add(self, *references, filter=None):
'''
Used for adding to the right the service calls.
@param references: arguments[tuple(class, string)]
The references of the service call to associate with the right.
@param filter: Filter|None
The filter to be used with the added calls, for more details about filter policy.
@return: self
The self object for chaining purposes.
'''
indexed = iterRef(references)
assert indexed, 'At least one reference is required'
for service, names in indexed.items():
typ = typeFor(service)
assert isinstance(typ, TypeService), 'Invalid service %s' % service
assert isinstance(typ.service, Service)
for name in names:
if isfunction(name): name = name.__name__
assert name in typ.service.calls, 'Invalid call name \'%s\' for service %s' % (name, typ)
call = typ.service.calls[name]
assert isinstance(call, Call)
structCall = self.structure.obtainCall(typ, call)
if filter: structCall.pushFilter(filter)
return self
def callsOf(stack):
'''
Provides the call types for the provided stack object.
@param stack: Exception|traceback
The exception or trace back object to extract the calls from.
@return: list[TypeCall]
The calls from the stack.
'''
if isinstance(stack, Exception):
assert isinstance(stack, Exception)
tb = stack.__traceback__
else:
tb = stack
assert isinstance(tb, TracebackType), 'Invalid trace back %s' % tb
calls = []
while tb:
instance = tb.tb_frame.f_locals.get('self')
if instance is not None:
service = typeFor(instance)
if isinstance(service, TypeService):
assert isinstance(service, TypeService)
call = service.calls.get(tb.tb_frame.f_code.co_name)
if call: calls.append(call)
tb = tb.tb_next
return calls
def isOf(self, type):
'''
@see: TypeClass.isOf
'''
if isclass(type) and (issubclass(type, self.clazz) or issubclass(self.clazz, type)): return True
if self == typeFor(type): return True
return False
def populate(self, obj, specifications, support):
'''
@see: ISpecifier.populate
'''
ext = typeFor(obj)
if not ext or not isinstance(ext, TypeExtension): return # Is not an extension object, nothing to do
assert isinstance(ext, TypeExtension)
if ext not in self.propertiesByType:
properties = self.propertiesByType[ext] = []
for name, prop in ext.properties.items():
assert isinstance(prop, TypeProperty), 'Invalid property %s' % prop
encoder = createEncoderNamed(self.processing, name, prop)
if encoder is None: log.error('Cannot encode %s of %s', prop, ext)
else: properties.append((name, encoder))
else: properties = self.propertiesByType[ext]
attributes = specifications.get('attributes')
if attributes is None: attributes = specifications['attributes'] = {}
render = RenderAttributes(attributes)
for name, encoder in properties:
assert isinstance(encoder, ITransfrom), 'Invalid property encoder %s' % encoder
objValue = getattr(obj, name)
if objValue is None: continue
encoder.transform(objValue, render, support)
def process(self, request: Request, **keyargs):
'''
@see: HandlerProcessorProceed.process
Transpose the additional arguments into the main arguments.
'''
assert isinstance(request, Request), 'Invalid request %s' % request
if request.invoker is None:
return # If there is no invoker it means that no arguments need to be processed
assert isinstance(request.path,
Path), 'Invalid request path %s' % request.path
assert isinstance(
request.invoker,
Invoker), 'Invalid request invoker %s' % request.invoker
if request.argumentsOfType:
for inp in request.invoker.inputs:
assert isinstance(inp, Input), 'Invalid input %s' % inp
if inp.name in request.arguments: continue
for argType, value in request.argumentsOfType.items():
if typeFor(argType) == inp.type:
if inp.name not in request.arguments:
request.arguments[inp.name] = value
break
request.arguments.update(request.path.toArguments(request.invoker))
def insertModel(Mapped, model, **data):
'''
Inserts the provided model entity using the current session.
@param Mapped: class
The mapped class to insert the model for.
@param model: object
The model to insert.
@param data: key arguments
Additional data to place on the inserted model.
@return: object
The database model that has been inserted.
'''
assert isclass(Mapped), 'Invalid class %s' % Mapped
assert isinstance(Mapped,
MappedSupport), 'Invalid mapped class %s' % Mapped
if isinstance(model, Mapped): dbModel = model
else:
typ, mapper = typeFor(Mapped), mappingFor(Mapped)
assert isinstance(typ, TypeModel), 'Invalid model class %s' % Mapped
assert isinstance(mapper, Mapper), 'Invalid mapper %s' % mapper
dbModel = Mapped()
for name, prop in typ.properties.items():
if name in data or not isinstance(getattr(Mapped, name),
InstrumentedAttribute):
continue
if prop in model: setattr(dbModel, name, getattr(model, name))
for name, value in data.items():
setattr(dbModel, name, value)
openSession().add(dbModel)
openSession().flush((dbModel, ))
return dbModel
def processHintWebName(self, types, hints, isGroup=False):
"""
Processes the web name hint found on the call and alters the provided types list according to it.
@param types: list[Input|TypeModel|Model|tuple(string,boolean)]
The list of types to be altered based on the web name hint.
@param hints: dictionary{string, object}
The hints to be processed for the types.
@param isGroup: boolean
Flag indicating that the web name hint should be considered a group node (True) or an object node (False).
"""
assert isinstance(types, list), "Invalid types %s" % types
assert isinstance(hints, dict), "Invalid hints %s" % hints
assert isinstance(isGroup, bool), "Invalid is group flag %s" % isGroup
webName = hints.get(self.hintCallWebName)
if isclass(webName):
typ = typeFor(webName)
assert isinstance(typ, TypeModel), "Invalid web name hint class %s" % webName
types.append(typ.container)
elif webName:
assert isinstance(webName, str), "Invalid web name hint %s" % webName
webName = webName.split("/")
for k, name in enumerate(webName):
assert re.match("^[\w]+$", name), 'Invalid name "%s" in web name "%s"' % (name, "/".join(webName))
types.append((name, False if k <= len(webName) - 1 else isGroup))
return types
def deleteModel(Mapped, identifier):
'''
Delete the provided model based on the provided identifier using the current session.
@param Mapped: class
The mapped class to update the model for, the model type is required to have a property id.
@param identifier: object
The identifier to delete for.
@return: boolean
True if any entry was deleted, False otherwise.
'''
assert isclass(Mapped), 'Invalid class %s' % Mapped
assert isinstance(Mapped,
MappedSupport), 'Invalid mapped class %s' % Mapped
typ = typeFor(Mapped)
assert isinstance(typ, TypeModel), 'Invalid model class %s' % Mapped
assert isinstance(typ.propertyId,
TypeProperty), 'Invalid property id of %s' % typ
assert typ.propertyId.isValid(
identifier), 'Invalid identifier %s for %s' % (identifier,
typ.propertyId)
try:
model = openSession().query(Mapped).filter(
getattr(Mapped, typ.propertyId.name) == identifier).one()
except NoResultFound:
return False
openSession().delete(model)
return True
def authenticate(self, identifier, attributes, arguments):
'''
@see: IAuthenticationSupport.authenticate
'''
assert isinstance(identifier, str), 'Invalid identifier %s' % identifier
assert isinstance(attributes, dict), 'Invalid attributes %s' % attributes
assert isinstance(arguments, dict), 'Invalid arguments %s' % arguments
olderThan = self.session().query(current_timestamp()).scalar()
olderThan -= self.sessionTimeOut
sql = self.session().query(LoginMapped)
sql = sql.filter(LoginMapped.Session == identifier)
sql = sql.filter(LoginMapped.AccessedOn > olderThan)
try: login = sql.one()
except NoResultFound: return False
assert isinstance(login, LoginMapped), 'Invalid login %s' % login
login.AccessedOn = current_timestamp()
self.session().flush((login,))
self.session().expunge(login)
commitNow()
# We need to fore the commit because if there is an exception while processing the request we need to make
# sure that the last access has been updated.
for authType in arguments:
assert isinstance(authType, Type), 'Invalid type %s' % authType
if authType == typeFor(User.Id): arguments[authType] = login.User
else: raise DevelError('Invalid authenticated type %s' % authType)
return True
def __call__(self, value, normalizer, converter, render, resolve, name=None, **data):
assert isinstance(normalizer, Normalizer), 'Invalid normalizer %s' % normalizer
assert isinstance(converter, Converter), 'Invalid converter %s' % converter
assert isinstance(render, IRender), 'Invalid render %s' % render
assert isinstance(resolve, IResolve), 'Invalid resolve %s' % resolve
if self.getter: value = self.getter(value)
if value is None: return
assert isinstance(value, Iterable), 'Invalid value %s' % value
typeValue = typeFor(value)
if typeValue and isinstance(typeValue, TypeExtension):
assert isinstance(typeValue, TypeExtension)
assert isinstance(typeValue.container, Container)
attrs = {}
for prop, propType in typeValue.container.properties.items():
propValue = getattr(value, prop)
if propValue is not None: attrs[normalizer.normalize(prop)] = converter.asString(propValue, propType)
else: attrs = None
data.update(normalizer=normalizer, converter=converter, render=render, resolve=resolve)
render.collectionStart(normalizer.normalize(name or self.name), attrs)
resolve.queueBatch(self.exploitItem, (dict(data, value=item) for item in value))
resolve.queue(self.finalize, render=render)
def __init__(self):
'''
Construct the handler.
'''
assert self.maximumLimit is None or isinstance(
self.maximumLimit,
int), 'Invalid maximum limit %s' % self.maximumLimit
assert self.defaultLimit is None or isinstance(
self.defaultLimit,
int), 'Invalid default limit %s' % self.defaultLimit
assert self.defaultWithTotal is None or isinstance(self.defaultWithTotal, bool), \
'Invalid default with total %s' % self.defaultWithTotal
super().__init__(Decoding=Decoding)
self.typeLimit = typeFor(Slice.limit)
self.typeTotal = typeFor(SliceAndTotal.withTotal)
def relationshipModel(mappedId, *spec):
'''
Creates a relationship with the model, this should only be used in case the mapped model database id is different from the
actual model id.
@param mappedId: InstrumentedAttribute
The mapped model id to create the relation with.
@param spec: arguments containing
column: string
The column name containing the foreign key relation, attention if target is provided then
also column needs to be provided, if None provided it will create one automatically.
target: string
The SQL alchemy relationship target name, if None provided it will create one automatically.
'''
assert isinstance(mappedId,
InstrumentedAttribute), 'Invalid mapped id %s' % mappedId
register = callerLocals()
assert '__module__' in register, 'This function should only be used inside meta class definitions'
rtype = typeFor(mappedId.class_)
assert isinstance(rtype, TypeModel), 'Invalid class %s' % mappedId.class_
assert isinstance(rtype.propertyId,
TypeProperty), 'No property id for %s' % rtype
assert rtype.propertyId.name != mappedId.property.key, 'Same database id with the model id \'%s\' for %s' % mappedId.class_
column = target = None
if spec:
column, *spec = spec
assert isinstance(column, str), 'Invalid column %s' % column
if spec:
target, = spec
assert isinstance(target,
str) and target, 'Invalid target %s' % target
if target is None:
target = modifyFirst(rtype.name, False)
if column is None:
column = '%sId' % target
register[column] = Column('fk_%s_id' % toUnderscore(target),
ForeignKey(mappedId, ondelete='CASCADE'),
nullable=False)
register[target] = relationship(mappedId.class_,
uselist=False,
lazy='joined',
viewonly=True)
def fget(self):
rel = getattr(self, target)
if rel: return getattr(rel, rtype.propertyId.name)
columnId = columnFor(getattr(mappedId.class_, rtype.propertyId.name))
def fset(self, value):
setattr(self, column, select([mappedId], columnId == value))
validation = validate(Mandatory, Relation)
return validation(
hybrid_property(fget,
fset,
expr=joinedExpr(mappedId.class_,
rtype.propertyId.name)))
def processHintWebName(self, types, hints, isGroup=False):
'''
Processes the web name hint found on the call and alters the provided types list according to it.
@param types: list[Input|TypeModel|Model|tuple(string,boolean)]
The list of types to be altered based on the web name hint.
@param hints: dictionary{string, object}
The hints to be processed for the types.
@param isGroup: boolean
Flag indicating that the web name hint should be considered a group node (True) or an object node (False).
'''
assert isinstance(types, list), 'Invalid types %s' % types
assert isinstance(hints, dict), 'Invalid hints %s' % hints
assert isinstance(isGroup, bool), 'Invalid is group flag %s' % isGroup
webName = hints.get(self.hintCallWebName)
if isclass(webName):
typ = typeFor(webName)
assert isinstance(
typ, TypeModel), 'Invalid web name hint class %s' % webName
types.append(typ.container)
elif webName:
assert isinstance(webName,
str), 'Invalid web name hint %s' % webName
webName = webName.split('/')
for k, name in enumerate(webName):
assert re.match('^[\w]+$',
name), 'Invalid name "%s" in web name "%s"' % (
name, '/'.join(webName))
types.append(
(name, False if k <= len(webName) - 1 else isGroup))
return types
def process(self, chain, register:Register, **keyargs):
'''
@see: HandlerProcessor.process
Populate the content flag if required.
'''
assert isinstance(register, Register), 'Invalid register %s' % register
if not register.invokers: return # No invokers to process.
aborted = []
for invoker in register.invokers:
assert isinstance(invoker, InvokerAssembler), 'Invalid invoker %s' % invoker
if not invoker.inputs: continue
inpContent, toMany = None, False
for inp in invoker.inputs:
assert isinstance(inp, Input), 'Invalid input %s' % inp
if inp.type == self.contentType:
if inpContent is not None: toMany = True
inpContent = inp
if toMany:
log.error('Cannot use because there are to many \'%s\' inputs, only a maximum of one is allowed, at:%s',
typeFor(Content), invoker.location)
aborted.append(invoker)
elif inpContent:
if invoker.solved is None: invoker.solved = set()
invoker.solved.add(inpContent)
invoker.inputContent = inpContent
if aborted: raise Abort(*aborted)
def process(self, chain, register:Register, **keyargs):
'''
@see: HandlerProcessor.process
Provides the conflict resolving.
'''
assert isinstance(register, Register), 'Invalid register %s' % register
if Register.hintsCall in register:
if register.hintsCall is None: register.hintsCall = {}
register.hintsCall[self.hintName] = self.hintDescription
if not register.nodes: return
reported, aborted = set(), []
for node in register.nodes:
assert isinstance(node, Node), 'Invalid node %s' % node
if not node.conflicts: continue
assert isinstance(node.conflicts, dict), 'Invalid conflicts %s' % node.conflicts
for invokers in node.conflicts.values():
assert isinstance(invokers, list), 'Invalid invokers %s' % invokers
byService, solving = {}, []
for invoker in invokers:
assert isinstance(invoker, Invoker), 'Invalid invoker %s' % invoker
if not invoker.service or not invoker.call: continue
if invoker.service in byService: continue
replaces = invoker.call.hints.get(self.hintName)
if not replaces: continue
if not isinstance(replaces, tuple): replaces = (replaces,)
byService[invoker.service] = invoker
solving.append((invoker, replaces))
if byService:
locations = []
for invoker, replaces in solving:
locations.append(invoker.location)
for clazz in replaces:
service = typeFor(clazz)
if not isinstance(service, TypeService):
log.error('Cannot use invoker because the replace hints are invalid, at:%s, '
'it should be:\n%s', invoker.location, self.hintDescription)
aborted.append(invoker)
break
assert isinstance(service, TypeService), 'Invalid service class %s' % clazz
byService.pop(service, None)
if not byService:
if reported.isdisjoint(locations):
log.error('Cannot use invokers because the replace hints are circular among them, at:%s',
''.join(locations))
reported.update(locations)
aborted.extend(invokers)
else:
solved = set(byService)
for invoker, replaces in solving:
if invoker not in solved: aborted.append(invoker)
if aborted: raise Abort(*aborted)
def populate(self, obj, specifications, support):
'''
@see: ISpecifier.populate
'''
ext = typeFor(obj)
if not ext or not isinstance(ext, TypeExtension):
return # Is not an extension object, nothing to do
assert isinstance(ext, TypeExtension)
if ext not in self.propertiesByType:
properties = self.propertiesByType[ext] = []
for name, prop in ext.properties.items():
assert isinstance(prop,
TypeProperty), 'Invalid property %s' % prop
encoder = createEncoderNamed(self.processing, name, prop)
if encoder is None:
log.error('Cannot encode %s of %s', prop, ext)
else:
properties.append((name, encoder))
else:
properties = self.propertiesByType[ext]
attributes = specifications.get('attributes')
if attributes is None: attributes = specifications['attributes'] = {}
render = RenderAttributes(attributes)
for name, encoder in properties:
assert isinstance(
encoder, ITransfrom), 'Invalid property encoder %s' % encoder
objValue = getattr(obj, name)
if objValue is None: continue
encoder.transform(objValue, render, support)
def process(self,
chain,
decoding: Decoding,
definition: Context = None,
**keyargs):
'''
@see: HandlerProcessor.process
Wrap with explode decoders.
'''
assert isinstance(decoding, Decoding), 'Invalid decoding %s' % decoding
if not decoding.doDecode: return
if not isinstance(decoding.type, List):
return # The type is not a list, just move along.
assert isinstance(decoding.type, List)
decoding.doDecode = self.createExplode(decoding.doDecode)
assert isinstance(definition,
Definition), 'Invalid definition %s' % definition
assert isinstance(definition.types,
list), 'Invalid definition %s' % definition.types
definition.types.append(typeFor(str))
def process(self, chain, register: Register, **keyargs):
'''
@see: HandlerProcessor.process
Populate the content flag if required.
'''
assert isinstance(register, Register), 'Invalid register %s' % register
if not register.invokers: return # No invokers to process.
aborted = []
for invoker in register.invokers:
assert isinstance(invoker,
InvokerAssembler), 'Invalid invoker %s' % invoker
if not invoker.inputs: continue
inpContent, toMany = None, False
for inp in invoker.inputs:
assert isinstance(inp, Input), 'Invalid input %s' % inp
if inp.type == self.contentType:
if inpContent is not None: toMany = True
inpContent = inp
if toMany:
log.error(
'Cannot use because there are to many \'%s\' inputs, only a maximum of one is allowed, at:%s',
typeFor(Content), invoker.location)
aborted.append(invoker)
elif inpContent:
if invoker.solved is None: invoker.solved = set()
invoker.solved.add(inpContent)
invoker.inputContent = inpContent
if aborted: raise Abort(*aborted)
def findNodesFor(node, typeService, name):
'''
Finds all the nodes in the root node for the provided service type and call name.
@param node: Node
The root node to start the find in.
@param typeService: TypeService
The service type to find the paths for.
@param name: string
The call name to find the paths for.
@return: list[Node]
The nodes of the service type and call name.
'''
assert isinstance(node, Node), 'Invalid node %s' % node
assert isinstance(typeService,
TypeService), 'Invalid type service %s' % typeService
assert isinstance(name, str), 'Invalid call name %s' % name
assert isinstance(typeService.service, Service)
call = typeService.service.calls.get(name)
assert isinstance(
call,
Call), 'Invalid call name \'%s\' for service %s' % (name, typeService)
nodes, attr = [], METHOD_NODE_ATTRIBUTE[call.method]
for node in iterateNodes(node):
invoker = getattr(node, attr)
if not invoker: continue
invoker = invokerCallOf(invoker)
if not invoker: continue
assert isinstance(invoker, InvokerCall)
assert isinstance(invoker.call, Call)
if typeService == typeFor(
invoker.implementation) and invoker.call.name == name:
nodes.append(node)
return nodes
def onPropertyUnique(mapped, prop, obj, errors):
'''
Validation of a sql alchemy unique property.
@param mapped: class
The mapped model class.
@param prop: string
The property name to be checked if unique.
@param obj: object
The entity to check for the property value.
@param errors: list[Ref]
The list of errors.
'''
assert isclass(mapped), 'Invalid class %s' % mapped
assert isinstance(prop, str), 'Invalid property name %s' % prop
assert obj is not None, 'None is not a valid object'
assert isinstance(errors, list), 'Invalid errors list %s' % errors
propRef = getattr(mapped, prop)
if propRef in obj:
try:
db = openSession().query(mapped).filter(propRef == getattr(obj, prop)).one()
except NoResultFound:
return
propId = typeFor(mapped).container.propertyId
if getattr(obj, propId) != getattr(db, propId):
errors.append(Ref(_('Already an entry with this value'), ref=propRef))
return False
