def test_dynamic_schema_refreshed_on_modify_model_source(self):
portal_type = 'testtype'
fti = self.mocker.proxy(DexterityFTI(portal_type))
class INew(Interface):
title = zope.schema.TextLine(title='title')
model_dummy = Model({'': INew})
self.expect(fti.lookupModel()).result(model_dummy)
self.create_dummy()
site_dummy = self.create_dummy(getPhysicalPath=lambda: ('', 'siteid'))
self.mock_utility(site_dummy, Interface)
class IBlank(Interface):
pass
self.replay()
# Set source interface
schemaName = utils.portalTypeToSchemaName(fti.getId())
setattr(plone.dexterity.schema.generated, schemaName, IBlank)
# Sync this with schema
ftiModified(
fti,
ObjectModifiedEvent(
fti, DexterityFTIModificationDescription('model_source', '')))
self.assertTrue('title' in IBlank)
self.assertTrue(IBlank['title'].title == 'title')
def test_dynamic_schema_refreshed_on_modify_model_source(self):
portal_type = u"testtype"
fti = DexterityFTI(portal_type)
class INew(Interface):
title = zope.schema.TextLine(title=u"title")
model_dummy = Model({u"": INew})
fti.lookupModel = Mock(return_value=model_dummy)
self.create_dummy()
site_dummy = self.create_dummy(getPhysicalPath=lambda: ('', 'siteid'))
self.mock_utility(site_dummy, ISiteRoot)
class IBlank(Interface):
pass
# Set source interface
schemaName = utils.portalTypeToSchemaName(fti.getId())
setattr(plone.dexterity.schema.generated, schemaName, IBlank)
# Sync this with schema
ftiModified(
fti,
ObjectModifiedEvent(
fti, DexterityFTIModificationDescription('model_source', '')))
self.assertTrue('title' in IBlank)
self.assertTrue(IBlank['title'].title == u"title")
def test_concrete_schema_not_refreshed_on_modify_schema(self):
portal_type = 'testtype'
fti = self.mocker.proxy(DexterityFTI(portal_type))
class IBlank(Interface):
pass
class INew(Interface):
title = zope.schema.TextLine(title='title')
model_dummy = Model({'': INew})
self.expect(fti.lookupModel()).result(model_dummy).count(0, None)
self.create_dummy()
site_dummy = self.create_dummy(getPhysicalPath=lambda: ('', 'siteid'))
self.mock_utility(site_dummy, Interface)
self.replay()
# Set schema to something so that hasDynamicSchema is false
fti.schema = IBlank.__identifier__
assert not fti.hasDynamicSchema
# Set source for dynamic FTI - should not be used
schemaName = utils.portalTypeToSchemaName(fti.getId())
setattr(plone.dexterity.schema.generated, schemaName, IBlank)
# Sync should not happen now
ftiModified(
fti,
ObjectModifiedEvent(
fti, DexterityFTIModificationDescription('schema', '')))
self.assertFalse('title' in IBlank)
def test_named_schema(self):
# Mock schema model
class IDummy(Interface):
dummy = zope.schema.TextLine(title=u"Dummy")
class INamedDummy(Interface):
named = zope.schema.TextLine(title=u"Named")
mock_model = Model({u"": IDummy, u"named": INamedDummy})
# Mock FTI
fti_mock = self.mocker.mock(DexterityFTI)
fti_mock.lookupModel()
self.mocker.result(mock_model)
self.mock_utility(fti_mock, IDexterityFTI, u'testtype')
self.mocker.replay()
factory = schema.SchemaModuleFactory()
schemaName = schema.portalTypeToSchemaName('testtype',
schema=u"named",
prefix='site')
klass = factory(schemaName, schema.generated)
self.assertTrue(isinstance(klass, InterfaceClass))
# only default schema gets this:
self.assertFalse(klass.isOrExtends(IDexteritySchema))
self.assertFalse(IContentType.providedBy(klass))
self.assertEqual(schemaName, klass.__name__)
self.assertEqual('plone.dexterity.schema.generated', klass.__module__)
self.assertEqual(('named', ), tuple(zope.schema.getFieldNames(klass)))
def test_concrete_default_schema(self):
# Mock schema model
class IDummy(Interface):
dummy = zope.schema.TextLine(title=u"Dummy")
mock_model = Model({u"": IDummy})
# Mock FTI
fti_mock = self.mocker.mock(DexterityFTI)
fti_mock.lookupModel()
self.mocker.result(mock_model)
self.mock_utility(fti_mock, IDexterityFTI, u'testtype')
self.mocker.replay()
factory = schema.SchemaModuleFactory()
schemaName = utils.portalTypeToSchemaName('testtype', prefix='site')
klass = factory(schemaName, schema.generated)
self.failUnless(isinstance(klass, InterfaceClass))
self.failUnless(klass.isOrExtends(IDexteritySchema))
self.failUnless(IContentType.providedBy(klass))
self.assertEquals(schemaName, klass.__name__)
self.assertEquals('plone.dexterity.schema.generated', klass.__module__)
self.assertEquals(('dummy', ), tuple(zope.schema.getFieldNames(klass)))
def test_lookupModel_from_string(self):
fti = DexterityFTI(u"testtype")
fti.schema = None
fti.model_source = "<model />"
fti.model_file = None
model_dummy = Model()
from plone.supermodel import loadString
self.patch_global(loadString, return_value=model_dummy)
model = fti.lookupModel()
self.assertIs(model_dummy, model)
def serialize_ttw_schema(schema=None):
if not schema:
schema = get_ttw_edited_schema()
bfields = [a for a in IUserDataSchema]
attrs = {}
for name in schema:
f = schema[name]
if is_serialisable_field(f) and name not in bfields:
attrs[name] = f
smember = SchemaClass(SCHEMATA_KEY, attrs=attrs)
finalizeSchemas(smember)
model = Model({SCHEMATA_KEY: smember})
sschema = serialize(model)
return sschema
def test_transient_schema_made_concrete(self):
factory = schema.SchemaModuleFactory()
schemaName = schema.portalTypeToSchemaName('testtype', prefix='site')
# No IDexterityFTI registered
klass = factory(schemaName, schema.generated)
self.assertTrue(isinstance(klass, InterfaceClass))
self.assertTrue(klass.isOrExtends(IDexteritySchema))
self.assertTrue(IContentType.providedBy(klass))
self.assertEqual(schemaName, klass.__name__)
self.assertEqual('plone.dexterity.schema.generated', klass.__module__)
self.assertEqual((), tuple(zope.schema.getFields(klass)))
# Calling it again gives the same result
klass = factory(schemaName, schema.generated)
self.assertTrue(isinstance(klass, InterfaceClass))
self.assertTrue(klass.isOrExtends(IDexteritySchema))
self.assertTrue(IContentType.providedBy(klass))
self.assertEqual(schemaName, klass.__name__)
self.assertEqual('plone.dexterity.schema.generated', klass.__module__)
self.assertEqual((), tuple(zope.schema.getFields(klass)))
# Now register a mock FTI and try again
class IDummy(Interface):
dummy = zope.schema.TextLine(title=u"Dummy")
mock_model = Model({u"": IDummy})
fti_mock = self.mocker.mock(DexterityFTI)
fti_mock.lookupModel()
self.mocker.result(mock_model)
self.mock_utility(fti_mock, IDexterityFTI, u'testtype')
self.mocker.replay()
klass = factory(schemaName, schema.generated)
self.assertTrue(isinstance(klass, InterfaceClass))
self.assertTrue(klass.isOrExtends(IDexteritySchema))
self.assertTrue(IContentType.providedBy(klass))
self.assertEqual(schemaName, klass.__name__)
self.assertEqual('plone.dexterity.schema.generated', klass.__module__)
# Now we get the fields from the FTI's model
self.assertEqual(('dummy', ), tuple(zope.schema.getFieldNames(klass)))
def lookupModel(self):
if self.model_source:
return loadString(self.model_source, policy=self.schema_policy)
elif self.model_file:
model_file = self._absModelFile()
return loadFile(model_file, reload=True, policy=self.schema_policy)
elif self.schema:
schema = self.lookupSchema()
return Model({u"": schema})
raise ValueError(
"Neither model source, nor model file, nor schema is specified in FTI %s"
% self.getId())
def test_lookupModel_from_string(self):
fti = DexterityFTI('testtype')
fti.schema = None
fti.model_source = '<model />'
fti.model_file = None
model_dummy = Model()
loadString_mock = self.mocker.replace('plone.supermodel.loadString')
self.expect(loadString_mock(fti.model_source,
policy='dexterity')).result(model_dummy)
self.replay()
model = fti.lookupModel()
self.assertIs(model_dummy, model)
def test_lookupModel_from_string_with_schema(self):
fti = DexterityFTI(u"testtype")
fti.schema = u"plone.dexterity.tests.schemata.ITestSchema" # effectively ignored
fti.model_source = "<model />"
fti.model_file = None
model_dummy = Model()
loadString_mock = self.mocker.replace("plone.supermodel.loadString")
self.expect(loadString_mock(fti.model_source,
policy=u"dexterity")).result(model_dummy)
self.replay()
model = fti.lookupModel()
self.assertIs(model_dummy, model)
self.assertIs(ITestSchema, fti.lookupSchema())
def test_lookupModel_from_string_with_schema(self):
fti = DexterityFTI('testtype')
# effectively ignored:
fti.schema = 'plone.dexterity.tests.schemata.ITestSchema'
fti.model_source = '<model />'
fti.model_file = None
model_dummy = Model()
loadString_mock = self.mocker.replace('plone.supermodel.loadString')
self.expect(loadString_mock(fti.model_source,
policy='dexterity')).result(model_dummy)
self.replay()
model = fti.lookupModel()
self.assertIs(model_dummy, model)
self.assertIs(ITestSchema, fti.lookupSchema())
def test_lookupModel_from_string_with_schema(self):
fti = DexterityFTI(u"testtype")
# effectively ignored:
fti.schema = u"plone.dexterity.tests.schemata.ITestSchema"
fti.model_source = "<model />"
fti.model_file = None
model_dummy = Model()
from plone.supermodel import loadString
loadString_mock = self.patch_global(loadString,
return_value=model_dummy)
model = fti.lookupModel()
self.assertIs(model_dummy, model)
self.assertIs(ITestSchema, fti.lookupSchema())
loadString_mock.assert_called_once_with(fti.model_source,
policy=u'dexterity')
def test_lookupModel_from_file_with_win32_absolute_path(self):
fti = DexterityFTI(u"testtype")
fti.schema = None
fti.model_source = None
fti.model_file = r"C:\models\testmodel.xml"
model_dummy = Model()
from os.path import isabs, isfile
self.patch_global(isabs, return_value=True)
self.patch_global(isfile, return_value=True)
from plone.supermodel import loadFile
loadFile_mock = self.patch_global(loadFile, return_value=model_dummy)
model = fti.lookupModel()
self.assertIs(model_dummy, model)
loadFile_mock.assert_called_once_with(
fti.model_file, reload=True, policy=u"dexterity")
def test_lookupModel_from_file_with_absolute_path(self):
import plone.dexterity.tests
abs_file = os.path.join(
os.path.split(plone.dexterity.tests.__file__)[0], 'test.xml')
fti = DexterityFTI('testtype')
fti.schema = None
fti.model_source = None
fti.model_file = abs_file
model_dummy = Model()
loadFile_mock = self.mocker.replace('plone.supermodel.loadFile')
self.expect(loadFile_mock(abs_file, reload=True,
policy='dexterity')).result(model_dummy)
self.replay()
model = fti.lookupModel()
self.assertIs(model_dummy, model)
def test_lookupModel_from_file_with_package(self):
fti = DexterityFTI(u"testtype")
fti.schema = None
fti.model_source = None
fti.model_file = u"plone.dexterity.tests:test.xml"
model_dummy = Model()
import plone.dexterity.tests
abs_file = os.path.join(
os.path.split(plone.dexterity.tests.__file__)[0], "test.xml")
loadFile_mock = self.mocker.replace("plone.supermodel.loadFile")
self.expect(loadFile_mock(abs_file, reload=True,
policy=u"dexterity")).result(model_dummy)
self.replay()
model = fti.lookupModel()
self.assertIs(model_dummy, model)
def test_lookupModel_from_file_with_absolute_path(self):
import plone.dexterity.tests
abs_file = os.path.join(
os.path.split(plone.dexterity.tests.__file__)[0], "test.xml")
fti = DexterityFTI(u"testtype")
fti.schema = None
fti.model_source = None
fti.model_file = abs_file
model_dummy = Model()
from plone.supermodel import loadFile
loadFile_mock = self.patch_global(loadFile, return_value=model_dummy)
model = fti.lookupModel()
self.assertIs(model_dummy, model)
loadFile_mock.assert_called_once_with(abs_file,
reload=True,
policy=u"dexterity")
def test_dynamic_schema_refreshed_on_modify_model_source(self):
portal_type = u"testtype"
fti = DexterityFTI(portal_type)
class INew(Interface):
title = zope.schema.TextLine(title=u"title")
model_dummy = Model({u"": INew})
fti.lookupModel = Mock(return_value=model_dummy)
self.create_dummy()
site_dummy = self.create_dummy(
getPhysicalPath=lambda: ('', 'siteid')
)
self.mock_utility(site_dummy, ISiteRoot)
# b/c of zope.interface does not support hashing of the same class multiple times
# we need to postfix with a unique number
# see https://github.com/zopefoundation/zope.interface/issues/216#issuecomment-701332380
class IBlank2(Interface):
pass
# Set source interface
schemaName = portalTypeToSchemaName(fti.getId())
setattr(plone.dexterity.schema.generated, schemaName, IBlank2)
# Sync this with schema
ftiModified(
fti,
ObjectModifiedEvent(
fti,
DexterityFTIModificationDescription('model_source', '')
)
)
self.assertTrue('title' in IBlank2)
self.assertTrue(IBlank2['title'].title == u"title")
def test_concrete_schema_not_refreshed_on_modify_schema(self):
portal_type = u"testtype"
fti = DexterityFTI(portal_type)
class IBlank4(Interface):
pass
class INew(Interface):
title = zope.schema.TextLine(title=u"title")
model_dummy = Model({u"": INew})
fti.lookupModel = Mock(return_value=model_dummy)
site_dummy = self.create_dummy(
getPhysicalPath=lambda: ('', 'siteid')
)
self.mock_utility(site_dummy, ISiteRoot)
# Set schema to something so that hasDynamicSchema is false
fti.schema = IBlank4.__identifier__
assert not fti.hasDynamicSchema
# Set source for dynamic FTI - should not be used
schemaName = portalTypeToSchemaName(fti.getId())
setattr(plone.dexterity.schema.generated, schemaName, IBlank4)
# Sync should not happen now
ftiModified(
fti,
ObjectModifiedEvent(
fti,
DexterityFTIModificationDescription('schema', '')
)
)
self.assertFalse('title' in IBlank4)
def test_lookupModel_from_file_with_win32_absolute_path(self):
fti = DexterityFTI('testtype')
fti.schema = None
fti.model_source = None
fti.model_file = r'C:\models\testmodel.xml'
model_dummy = Model()
isabs_mock = self.mocker.replace('os.path.isabs')
self.expect(isabs_mock(fti.model_file)).result(True)
isfile_mock = self.mocker.replace('os.path.isfile')
self.expect(isfile_mock(fti.model_file)).result(True)
loadFile_mock = self.mocker.replace('plone.supermodel.loadFile')
self.expect(
loadFile_mock(fti.model_file, reload=True,
policy='dexterity')).result(model_dummy)
self.replay()
model = fti.lookupModel()
self.assertIs(model_dummy, model)
def _parse(source, policy):
tree = etree.parse(source)
root = tree.getroot()
parseinfo.i18n_domain = root.attrib.get(
ns('domain', prefix=I18N_NAMESPACE)
)
model = Model()
handlers = {}
schema_metadata_handlers = tuple(getUtilitiesFor(ISchemaMetadataHandler))
field_metadata_handlers = tuple(getUtilitiesFor(IFieldMetadataHandler))
policy_util = getUtility(ISchemaPolicy, name=policy)
def readField(fieldElement, schemaAttributes, fieldElements, baseFields):
# Parse field attributes
fieldName = fieldElement.get('name')
fieldType = fieldElement.get('type')
if fieldName is None or fieldType is None:
raise ValueError(
'The attributes \'name\' and \'type\' are required for each '
'<field /> element'
)
handler = handlers.get(fieldType, None)
if handler is None:
handler = handlers[fieldType] = queryUtility(
IFieldExportImportHandler,
name=fieldType
)
if handler is None:
raise ValueError(
'Field type {0} specified for field {1} is not '
'supported'.format(fieldType, fieldName)
)
field = handler.read(fieldElement)
# Preserve order from base interfaces if this field is an override
# of a field with the same name in a base interface
base_field = baseFields.get(fieldName, None)
if base_field is not None:
field.order = base_field.order
# Save for the schema
schemaAttributes[fieldName] = field
fieldElements[fieldName] = fieldElement
return fieldName
for schema_element in root.findall(ns('schema')):
parseinfo.stack.append(schema_element)
schemaAttributes = {}
schemaName = schema_element.get('name')
if schemaName is None:
schemaName = u""
bases = ()
baseFields = {}
based_on = schema_element.get('based-on')
if based_on is not None:
bases = tuple([resolve(dotted) for dotted in based_on.split()])
for base_schema in bases:
baseFields.update(getFields(base_schema))
fieldElements = {}
# Read global fields
for fieldElement in schema_element.findall(ns('field')):
parseinfo.stack.append(fieldElement)
readField(
fieldElement,
schemaAttributes,
fieldElements,
baseFields
)
parseinfo.stack.pop()
# Read invariants, fieldsets and their fields
invariants = []
fieldsets = []
fieldsets_by_name = {}
for subelement in schema_element:
parseinfo.stack.append(subelement)
if subelement.tag == ns('field'):
readField(
subelement,
schemaAttributes,
fieldElements,
baseFields
)
elif subelement.tag == ns('fieldset'):
fieldset_name = subelement.get('name')
if fieldset_name is None:
raise ValueError(
u'Fieldset in schema {0} has no name'.format(
schemaName
)
)
fieldset = fieldsets_by_name.get(fieldset_name, None)
if fieldset is None:
fieldset_label = subelement.get('label')
fieldset_description = subelement.get('description')
fieldset_order = subelement.get('order')
if fieldset_order is None:
fieldset_order = DEFAULT_ORDER
elif isinstance(fieldset_order, basestring):
fieldset_order = int(fieldset_order)
fieldset = fieldsets_by_name[fieldset_name] = Fieldset(
fieldset_name,
label=fieldset_label,
description=fieldset_description,
order=fieldset_order,
)
fieldsets_by_name[fieldset_name] = fieldset
fieldsets.append(fieldset)
for fieldElement in subelement.findall(ns('field')):
parseinfo.stack.append(fieldElement)
parsed_fieldName = readField(
fieldElement,
schemaAttributes,
fieldElements,
baseFields
)
if parsed_fieldName:
fieldset.fields.append(parsed_fieldName)
parseinfo.stack.pop()
elif subelement.tag == ns('invariant'):
dotted = subelement.text
invariant = resolve(dotted)
if not IInvariant.providedBy(invariant):
raise ImportError(
u'Invariant functions must provide '
u'plone.supermodel.interfaces.IInvariant'
)
invariants.append(invariant)
parseinfo.stack.pop()
schema = SchemaClass(
name=policy_util.name(schemaName, tree),
bases=bases + policy_util.bases(schemaName, tree) + (Schema,),
__module__=policy_util.module(schemaName, tree),
attrs=schemaAttributes
)
# add invariants to schema as tagged values
if invariants:
schema_invariants = schema.queryTaggedValue('invariants', [])
schema.setTaggedValue('invariants', schema_invariants + invariants)
# Save fieldsets
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
# Let metadata handlers write metadata
for handler_name, metadata_handler in field_metadata_handlers:
for fieldName in schema:
if fieldName in fieldElements:
metadata_handler.read(
fieldElements[fieldName],
schema,
schema[fieldName]
)
for handler_name, metadata_handler in schema_metadata_handlers:
metadata_handler.read(schema_element, schema)
model.schemata[schemaName] = schema
parseinfo.stack.pop()
parseinfo.i18n_domain = None
return model
def _parse(source, policy):
tree = etree.parse(source)
root = tree.getroot()
parseinfo.i18n_domain = root.attrib.get(ns('domain',
prefix=I18N_NAMESPACE))
model = Model()
handlers = {}
schema_metadata_handlers = tuple(getUtilitiesFor(ISchemaMetadataHandler))
field_metadata_handlers = tuple(getUtilitiesFor(IFieldMetadataHandler))
policy_util = getUtility(ISchemaPolicy, name=policy)
def readField(fieldElement, schemaAttributes, fieldElements, baseFields):
# Parse field attributes
fieldName = fieldElement.get('name')
fieldType = fieldElement.get('type')
if fieldName is None or fieldType is None:
raise ValueError(
'The attributes \'name\' and \'type\' are required for each '
'<field /> element')
handler = handlers.get(fieldType, None)
if handler is None:
handler = handlers[fieldType] = queryUtility(
IFieldExportImportHandler, name=fieldType)
if handler is None:
raise ValueError(
'Field type {0} specified for field {1} is not '
'supported'.format(fieldType, fieldName))
field = handler.read(fieldElement)
# Preserve order from base interfaces if this field is an override
# of a field with the same name in a base interface
base_field = baseFields.get(fieldName, None)
if base_field is not None:
field.order = base_field.order
# Save for the schema
schemaAttributes[fieldName] = field
fieldElements[fieldName] = fieldElement
return fieldName
for schema_element in root.findall(ns('schema')):
parseinfo.stack.append(schema_element)
schemaAttributes = {}
schemaName = schema_element.get('name')
if schemaName is None:
schemaName = u""
bases = ()
baseFields = {}
based_on = schema_element.get('based-on')
if based_on is not None:
bases = tuple([resolve(dotted) for dotted in based_on.split()])
for base_schema in bases:
baseFields.update(getFields(base_schema))
fieldElements = {}
# Read global fields
for fieldElement in schema_element.findall(ns('field')):
parseinfo.stack.append(fieldElement)
readField(fieldElement, schemaAttributes, fieldElements,
baseFields)
parseinfo.stack.pop()
# Read invariants, fieldsets and their fields
invariants = []
fieldsets = []
fieldsets_by_name = {}
for subelement in schema_element:
parseinfo.stack.append(subelement)
if subelement.tag == ns('field'):
readField(subelement, schemaAttributes, fieldElements,
baseFields)
elif subelement.tag == ns('fieldset'):
fieldset_name = subelement.get('name')
if fieldset_name is None:
raise ValueError(
u'Fieldset in schema {0} has no name'.format(
schemaName))
fieldset = fieldsets_by_name.get(fieldset_name, None)
if fieldset is None:
fieldset_label = subelement.get('label')
fieldset_description = subelement.get('description')
fieldset_order = subelement.get('order')
if fieldset_order is None:
fieldset_order = DEFAULT_ORDER
elif isinstance(fieldset_order, six.string_types):
fieldset_order = int(fieldset_order)
fieldset = fieldsets_by_name[fieldset_name] = Fieldset(
fieldset_name,
label=fieldset_label,
description=fieldset_description,
order=fieldset_order,
)
fieldsets_by_name[fieldset_name] = fieldset
fieldsets.append(fieldset)
for fieldElement in subelement.findall(ns('field')):
parseinfo.stack.append(fieldElement)
parsed_fieldName = readField(fieldElement,
schemaAttributes,
fieldElements, baseFields)
if parsed_fieldName:
fieldset.fields.append(parsed_fieldName)
parseinfo.stack.pop()
elif subelement.tag == ns('invariant'):
dotted = subelement.text
invariant = resolve(dotted)
if not IInvariant.providedBy(invariant):
raise ImportError(
u'Invariant functions must provide '
u'plone.supermodel.interfaces.IInvariant')
invariants.append(invariant)
parseinfo.stack.pop()
schema = SchemaClass(name=policy_util.name(schemaName, tree),
bases=bases +
policy_util.bases(schemaName, tree) + (Schema, ),
__module__=policy_util.module(schemaName, tree),
attrs=schemaAttributes)
# add invariants to schema as tagged values
if invariants:
schema_invariants = schema.queryTaggedValue('invariants', [])
schema.setTaggedValue('invariants', schema_invariants + invariants)
# Save fieldsets
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
# Let metadata handlers write metadata
for handler_name, metadata_handler in field_metadata_handlers:
for fieldName in schema:
if fieldName in fieldElements:
metadata_handler.read(fieldElements[fieldName], schema,
schema[fieldName])
for handler_name, metadata_handler in schema_metadata_handlers:
metadata_handler.read(schema_element, schema)
model.schemata[schemaName] = schema
parseinfo.stack.pop()
parseinfo.i18n_domain = None
return model
def _parse(source, policy):
tree = etree.parse(source)
root = tree.getroot()
parseinfo.i18n_domain = root.attrib.get(ns('domain', prefix=I18N_NAMESPACE))
model = Model()
handlers = {}
schema_metadata_handlers = tuple(getUtilitiesFor(ISchemaMetadataHandler))
field_metadata_handlers = tuple(getUtilitiesFor(IFieldMetadataHandler))
policy_util = getUtility(ISchemaPolicy, name=policy)
def readField(fieldElement, schemaAttributes, fieldElements, baseFields):
# Parse field attributes
fieldName = fieldElement.get('name')
fieldType = fieldElement.get('type')
if fieldName is None or fieldType is None:
raise ValueError("The attributes 'name' and 'type' are required for each <field /> element")
handler = handlers.get(fieldType, None)
if handler is None:
handler = handlers[fieldType] = queryUtility(IFieldExportImportHandler, name=fieldType)
if handler is None:
raise ValueError("Field type %s specified for field %s is not supported" % (fieldType, fieldName, ))
field = handler.read(fieldElement)
# Preserve order from base interfaces if this field is an override
# of a field with the same name in a base interface
base_field = baseFields.get(fieldName, None)
if base_field is not None:
field.order = base_field.order
# Save for the schema
schemaAttributes[fieldName] = field
fieldElements[fieldName] = fieldElement
return fieldName
for schema_element in root.findall(ns('schema')):
parseinfo.stack.append(schema_element)
schemaAttributes = {}
schemaName = schema_element.get('name')
if schemaName is None:
schemaName = u""
bases = ()
baseFields = {}
based_on = schema_element.get('based-on')
if based_on is not None:
bases = tuple([resolve(dotted) for dotted in based_on.split()])
for base_schema in bases:
baseFields.update(getFields(base_schema))
fieldElements = {}
# Read global fields
for fieldElement in schema_element.findall(ns('field')):
parseinfo.stack.append(fieldElement)
readField(fieldElement, schemaAttributes, fieldElements, baseFields)
parseinfo.stack.pop()
# Read fieldsets and their fields
fieldsets = []
fieldsets_by_name = {}
for subelement in schema_element:
parseinfo.stack.append(subelement)
if subelement.tag == ns('field'):
readField(subelement, schemaAttributes, fieldElements, baseFields)
elif subelement.tag == ns('fieldset'):
fieldset_name = subelement.get('name')
if fieldset_name is None:
raise ValueError(u"Fieldset in schema %s has no name" % (schemaName))
fieldset = fieldsets_by_name.get(fieldset_name, None)
if fieldset is None:
fieldset_label = subelement.get('label')
fieldset_description = subelement.get('description')
fieldset = fieldsets_by_name[fieldset_name] = Fieldset(fieldset_name,
label=fieldset_label, description=fieldset_description)
fieldsets_by_name[fieldset_name] = fieldset
fieldsets.append(fieldset)
for fieldElement in subelement.findall(ns('field')):
parseinfo.stack.append(fieldElement)
parsed_fieldName = readField(fieldElement, schemaAttributes, fieldElements, baseFields)
if parsed_fieldName:
fieldset.fields.append(parsed_fieldName)
parseinfo.stack.pop()
parseinfo.stack.pop()
schema = SchemaClass(name=policy_util.name(schemaName, tree),
bases=bases + policy_util.bases(schemaName, tree) + (Schema,),
__module__=policy_util.module(schemaName, tree),
attrs=schemaAttributes)
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
# Save fieldsets
# Let metadata handlers write metadata
for handler_name, metadata_handler in field_metadata_handlers:
for fieldName in schema:
if fieldName in fieldElements:
metadata_handler.read(fieldElements[fieldName], schema, schema[fieldName])
for handler_name, metadata_handler in schema_metadata_handlers:
metadata_handler.read(schema_element, schema)
model.schemata[schemaName] = schema
parseinfo.stack.pop()
parseinfo.i18n_domain = None
return model
def parse(source, policy=u""):
tree = ElementTree.parse(source)
root = tree.getroot()
model = Model()
handlers = {}
schema_metadata_handlers = tuple(getUtilitiesFor(ISchemaMetadataHandler))
field_metadata_handlers = tuple(getUtilitiesFor(IFieldMetadataHandler))
policy_util = getUtility(ISchemaPolicy, name=policy)
def readField(fieldElement, schemaAttributes, fieldElements, baseFields):
# Parse field attributes
fieldName = fieldElement.get('name')
fieldType = fieldElement.get('type')
if fieldName is None or fieldType is None:
raise ValueError("The attributes 'name' and 'type' are required for each <field /> element")
handler = handlers.get(fieldType, None)
if handler is None:
handler = handlers[fieldType] = queryUtility(IFieldExportImportHandler, name=fieldType)
if handler is None:
raise ValueError("Field type %s specified for field %s is not supported" % (fieldType, fieldName, ))
field = handler.read(fieldElement)
# Preserve order from base interfaces if this field is an override
# of a field with the same name in a base interface
base_field = baseFields.get(fieldName, None)
if base_field is not None:
field.order = base_field.order
# Save for the schema
schemaAttributes[fieldName] = field
fieldElements[fieldName] = fieldElement
return fieldName
for schema_element in root.findall(ns('schema')):
schemaAttributes = {}
schema_metadata = {}
schemaName = schema_element.get('name')
if schemaName is None:
schemaName = u""
bases = ()
baseFields = {}
based_on = schema_element.get('based-on')
if based_on is not None:
bases = tuple([resolve(dotted) for dotted in based_on.split()])
for base_schema in bases:
baseFields.update(getFields(base_schema))
fieldElements = {}
# Read global fields
for fieldElement in schema_element.findall(ns('field')):
readField(fieldElement, schemaAttributes, fieldElements, baseFields)
# Read fieldsets and their fields
fieldsets = []
fieldsets_by_name = {}
for subelement in schema_element:
if subelement.tag == ns('field'):
readField(subelement, schemaAttributes, fieldElements, baseFields)
elif subelement.tag == ns('fieldset'):
fieldset_name = subelement.get('name')
if fieldset_name is None:
raise ValueError(u"Fieldset in schema %s has no name" % (schemaName))
fieldset = fieldsets_by_name.get(fieldset_name, None)
if fieldset is None:
fieldset_label = subelement.get('label')
fieldset_description = subelement.get('description')
fieldset = fieldsets_by_name[fieldset_name] = Fieldset(fieldset_name,
label=fieldset_label, description=fieldset_description)
fieldsets_by_name[fieldset_name] = fieldset
fieldsets.append(fieldset)
for fieldElement in subelement.findall(ns('field')):
parsed_fieldName = readField(fieldElement, schemaAttributes, fieldElements, baseFields)
if parsed_fieldName:
fieldset.fields.append(parsed_fieldName)
schema = InterfaceClass(name=policy_util.name(schemaName, tree),
bases=bases + policy_util.bases(schemaName, tree),
__module__=policy_util.module(schemaName, tree),
attrs=schemaAttributes)
schema.setTaggedValue(FIELDSETS_KEY, fieldsets)
# Save fieldsets
# Let metadata handlers write metadata
for handler_name, metadata_handler in field_metadata_handlers:
for fieldName in schema:
if fieldName in fieldElements:
metadata_handler.read(fieldElements[fieldName], schema, schema[fieldName])
for handler_name, metadata_handler in schema_metadata_handlers:
metadata_handler.read(schema_element, schema)
model.schemata[schemaName] = schema
return model