def test_adapter_registry():
info1 = adapter_registry.queryMultiAdapter([], IContactInfo)
assert info1
assert zope.interface.verify.verifyObject(IContactInfo, info1)
pt1 = adapter_registry.queryMultiAdapter([], IPoint)
assert pt1
assert zope.interface.verify.verifyObject(IPoint, pt1)
cls = adapter_registry.lookup([], IContactInfo)
assert cls
assert zope.interface.verify.verifyClass(IContactInfo, cls)
def test_adapter_registry():
info1 = adapter_registry.queryMultiAdapter([], IContactInfo)
assert info1
assert zope.interface.verify.verifyObject(IContactInfo, info1)
pt1 = adapter_registry.queryMultiAdapter([], IPoint)
assert pt1
assert zope.interface.verify.verifyObject(IPoint, pt1)
cls = adapter_registry.lookup([], IContactInfo)
assert cls
assert zope.interface.verify.verifyClass(IContactInfo, cls)
def serializer_for_key_tuple(key_prefix=None):
'''Get a proper serializer for the tuple-typed keys of a dict.
'''
serializer = adapter_registry.queryMultiAdapter([], IKeyTupleSerializer, 'serialize-key')
if key_prefix is not None:
serializer.prefix = key_prefix
return serializer
def serializer_for_field(field):
'''Get an XML serializer for a zope.schema.Field instance.
'''
assert isinstance(field, zope.schema.Field)
serializer = adapter_registry.queryMultiAdapter([field], IXmlSerializer,
'serialize-xml')
return serializer
def serializer_for_key_tuple(key_prefix=None):
'''Get a proper serializer for the tuple-typed keys of a dict.
'''
serializer = adapter_registry.queryMultiAdapter([], IKeyTupleSerializer, 'serialize-key')
if key_prefix is not None:
serializer.prefix = key_prefix
return serializer
def formatter_for_field(field, name=''):
'''Get a proper formatter for a zope.schema.Field instance.
'''
assert isinstance(field, zope.schema.Field)
# Build adaptee vector
adaptee = build_adaptee(field, expand_collection=True)
# Lookup
candidates = ['format']
if name:
candidates.insert(0, 'format:%s' % (name))
formatter = None
while adaptee:
for candidate in candidates:
formatter = adapter_registry.queryMultiAdapter(
adaptee, IFormatter, candidate)
if formatter:
break
if formatter:
break
# Fallback to a more general version of this adaptee
adaptee.pop()
if formatter:
formatter.requested_name = name
return formatter
def widget_for_object(qualified_action, obj, errors={}):
'''Find and instantiate a widget to adapt an object to a widget interface.
'''
# Build an array with all candidate names
q = qualified_action
if isinstance(q, basestring):
q = QualAction.from_string(q)
candidates = list(reversed(q.parents() + [q]))
# Lookup registry
widget = None
for candidate in candidates:
name = candidate.to_string()
widget = adapter_registry.queryMultiAdapter([obj], IObjectWidget, name)
logger.debug('Trying to adapt [%s] to widget for action %s: %r',
type(obj).__name__, name,
widget if widget else None)
if widget:
break
if widget:
widget.context = LookupContext(requested=q, provided=candidate)
widget.errors = errors
else:
raise WidgetNotFound(qualified_action, obj)
# Found a widget to adapt to obj
assert zope.interface.verify.verifyObject(IObjectWidget, widget)
return widget
def widget_for_object(qualified_action, obj, errors={}):
'''Find and instantiate a widget to adapt an object to a widget interface.
'''
# Build an array with all candidate names
q = qualified_action
if isinstance(q, basestring):
q = QualAction.from_string(q)
candidates = list(reversed(q.parents() + [q]))
# Lookup registry
widget = None
for candidate in candidates:
name = candidate.to_string()
widget = adapter_registry.queryMultiAdapter([obj], IObjectWidget, name)
#logger.debug('Trying to adapt [%s] to widget for action %s: %r',
# type(obj).__name__, name,
# widget if widget else None)
if widget:
break
if widget:
widget.context = LookupContext(requested=q, provided=candidate)
widget.errors = errors
else:
raise WidgetNotFound(qualified_action, obj)
# Found a widget to adapt to obj
assert zope.interface.verify.verifyObject(IObjectWidget, widget)
return widget
def formatter_for_field(field, name=''):
'''Get a proper formatter for a zope.schema.Field instance.
'''
assert isinstance(field, zope.schema.Field)
# Build adaptee vector
adaptee = build_adaptee(field, expand_collection=True)
# Lookup
candidates = ['format']
if name:
candidates.insert(0, 'format:%s' % (name))
formatter = None
while adaptee:
for candidate in candidates:
formatter = adapter_registry.queryMultiAdapter(
adaptee, IFormatter, candidate)
if formatter:
break
if formatter:
break
# Fallback to a more general version of this adaptee
adaptee.pop()
if formatter:
formatter.requested_name = name
return formatter
def serializer_for_object(obj):
'''Get an XML serializer for an IObject object.
'''
assert IObject.providedBy(obj)
serializer = adapter_registry.queryMultiAdapter([obj], IXmlSerializer,
'serialize-xml')
return serializer
def serializer_for_object(obj, name='default'):
'''Get a proper serializer for an Object instance.
'''
assert name in serializers.supported_formats
serializer = adapter_registry.queryMultiAdapter([obj], ISerializer,
'serialize:%s' % (name))
return serializer
def serializer_for_field(field, name='default'):
'''Get a proper serializer for a zope.schema.Field instance.
Normally, this will be used for leaf (non collection-based) fields.
'''
assert isinstance(field, zope.schema.Field)
assert name in supported_formats
serializer = adapter_registry.queryMultiAdapter(
[field], ISerializer, 'serialize:%s' %(name))
return serializer
def serializer_for_field(field, name='default'):
'''Get a proper serializer for a zope.schema.Field instance.
Normally, this will be used for leaf (non collection-based) fields.
'''
assert isinstance(field, zope.schema.Field)
assert name in supported_formats
serializer = adapter_registry.queryMultiAdapter(
[field], ISerializer, 'serialize:%s' %(name))
return serializer
def translator_for_field(field, source_language, field_translation):
assert isinstance(field, Field)
verifyObject(IFieldContext, field.context)
if source_language != field_translation.source_language:
raise ValueError(
'The field translation is built for a different source language')
name = 'translate'
translator = adapter_registry.queryMultiAdapter(
[field, Language(source_language), field_translation], ITranslator, name)
return translator
def translator_for_field(field, source_language, field_translation):
assert isinstance(field, Field)
verifyObject(IFieldContext, field.context)
if source_language != field_translation.source_language:
raise ValueError(
'The field translation is built for a different source language')
name = 'translate'
translator = adapter_registry.queryMultiAdapter(
[field, Language(source_language), field_translation], ITranslator,
name)
return translator
def formatter_for_object(obj, name=''):
'''Get a proper formatter for an object instance.
'''
candidates = ['format']
if name:
candidates.insert(0, 'format:%s' % (name))
for candidate in candidates:
formatter = adapter_registry.queryMultiAdapter([obj], IFormatter,
candidate)
if formatter:
break
if formatter:
formatter.requested_name = name
return formatter
def widget_for_field(qualified_action, field, errors={}):
'''Find and instantiate a widget to adapt a field to a widget interface.
The given field should be a bound instance of zope.schema.Field.
'''
# Build a list with candidate names
q = qualified_action
if isinstance(q, basestring):
q = QualAction.from_string(q)
candidates = list(reversed(q.parents() + [q]))
# Build adaptee vector
adaptee = build_adaptee(field, expand_collection=True)
# Lookup registry
widget = None
while len(adaptee):
for candidate in candidates:
name = candidate.to_string()
widget = adapter_registry.queryMultiAdapter(
adaptee, IFieldWidget, name)
logger.debug('Trying to adapt [%s] to widget for action %s: %r',
', '.join([type(x).__name__ for x in adaptee]), name,
widget if widget else None)
if widget:
break
if widget:
break
# Fall back to a more general version of this adaptee
adaptee.pop()
if widget:
widget.context = LookupContext(requested=q, provided=candidate)
widget.errors = errors
else:
raise WidgetNotFound(qualified_action, field)
# Found
assert zope.interface.verify.verifyObject(IFieldWidget, widget)
return widget
def widget_for_field(qualified_action, field, errors={}):
'''Find and instantiate a widget to adapt a field to a widget interface.
The given field should be a bound instance of zope.schema.Field.
'''
# Build a list with candidate names
q = qualified_action
if isinstance(q, basestring):
q = QualAction.from_string(q)
candidates = list(reversed(q.parents() + [q]))
# Build adaptee vector
adaptee = build_adaptee(field, expand_collection=True)
# Lookup registry
widget = None
while len(adaptee):
for candidate in candidates:
name = candidate.to_string()
widget = adapter_registry.queryMultiAdapter(adaptee, IFieldWidget, name)
logger.debug('Trying to adapt [%s] to widget for action %s: %r',
', '.join([type(x).__name__ for x in adaptee]), name,
widget if widget else None)
if widget:
break
if widget:
break
# Fall back to a more general version of this adaptee
adaptee.pop()
if widget:
widget.context = LookupContext(requested=q, provided=candidate)
widget.errors = errors
else:
raise WidgetNotFound(qualified_action, field)
# Found
assert zope.interface.verify.verifyObject(IFieldWidget, widget)
return widget
def translator_for_metadata(md, source_language, name='default'):
assert isinstance(md, Metadata)
name = 'translate:%s' % (name)
translator = adapter_registry.queryMultiAdapter(
[md, Language(source_language)], IMetadataTranslator, name)
return translator
def serializer_for_object(obj):
"""Get an XML serializer for an IObject object.
"""
assert IObject.providedBy(obj)
serializer = adapter_registry.queryMultiAdapter([obj], IXmlSerializer, "serialize-xml")
return serializer
def translator_for_metadata(md, source_language, name='default'):
assert isinstance(md, Metadata)
name = 'translate:%s' % (name)
translator = adapter_registry.queryMultiAdapter(
[md, Language(source_language)], IMetadataTranslator, name)
return translator
def serializer_for_field(field):
"""Get an XML serializer for a zope.schema.Field instance.
"""
assert isinstance(field, zope.schema.Field)
serializer = adapter_registry.queryMultiAdapter([field], IXmlSerializer, "serialize-xml")
return serializer
