def test_set_field_order(self):
schema = JSONSchema()
schema.add_property('foo', {'type': 'string'})
schema.add_property('bar', {'type': 'string'})
schema.set_field_order(['foo', 'bar'])
expected = {
'$schema': 'http://json-schema.org/draft-04/schema#',
'type': 'object',
'properties': {
'foo': {'type': 'string'},
'bar': {'type': 'string'},
},
'field_order': ['foo', 'bar'],
}
serialized = schema.serialize()
self.assertEqual(expected, serialized)
class JSONSchemaBuilder(object):
"""Builds a JSON Schema representation of a single GEVER type.
"""
def __init__(self, portal_type):
self.portal_type = portal_type
self.schema = None
if portal_type in GEVER_TYPES:
self.type_dumper = TypeDumper()
elif portal_type in GEVER_SQL_TYPES:
self.type_dumper = SQLTypeDumper()
else:
raise Exception("Unmapped type: %r" % portal_type)
def build_schema(self):
type_dump = self.type_dumper.dump(self.portal_type)
self.schema = JSONSchema(
title=type_dump['title'],
additional_properties=False,
)
field_order = []
# Collect field info from all schemas (base schema + behaviors)
for _schema in type_dump['schemas']:
# Note: This is not the final / "correct" field order as displayed
# in the user interface (which should eventually honor fieldsets
# and plone.autoform directives).
# The intent here is rather to keep a *consistent* order for now.
field_order.extend([field['name'] for field in _schema['fields']])
translated_title_fields = []
for field in _schema['fields']:
prop_def = self._property_definition_from_field(field)
self.schema.add_property(field['name'], prop_def)
if field['name'] in TRANSLATED_TITLE_NAMES:
translated_title_fields.append(field['name'])
if translated_title_fields:
self.schema.require_any_of(translated_title_fields)
self.schema.set_field_order(field_order)
return self.schema
def _property_definition_from_field(self, field):
"""Create a JSON Schema property definition from a field info dump.
"""
prop_def = self._js_type_from_zope_type(field['type'])
prop_def['title'] = field['title']
prop_def['description'] = field['description']
prop_def['_zope_schema_type'] = field['type']
self._process_choice(prop_def, field)
self._process_max_length(prop_def, field)
self._process_default(prop_def, field)
self._process_vocabulary(prop_def, field)
self._process_required(prop_def, field)
return prop_def
def _js_type_from_zope_type(self, zope_type):
"""Map a zope.schema type to a JSON schema (JavaScript) type.
Returns a minimal property definition dict including at least a
'type', and possibly a 'format' as well.
"""
if zope_type not in JSON_SCHEMA_FIELD_TYPES:
raise Exception(
"Don't know what JS type to map %r to. Please map it in "
"JSON_SCHEMA_FIELD_TYPES first." % zope_type)
type_spec = JSON_SCHEMA_FIELD_TYPES[zope_type].copy()
return type_spec
def _process_choice(self, prop_def, field):
if field['type'] == 'Choice':
prop_def['type'] = field['value_type']
def _process_max_length(self, prop_def, field):
if field.get('max_length') is not None:
prop_def['maxLength'] = field['max_length']
def _process_default(self, prop_def, field):
if 'default' in field:
prop_def['default'] = field['default']
def _process_vocabulary(self, prop_def, field):
if field.get('vocabulary'):
vocab = field['vocabulary']
if isinstance(vocab, basestring) and vocab.startswith('<'):
# Placeholder vocabulary (like <Any valid user> )
prop_def['_vocabulary'] = vocab
else:
prop_def['enum'] = vocab
def _process_required(self, prop_def, field):
if field.get('required', False):
if field['name'] not in TRANSLATED_TITLE_NAMES:
self.schema.set_required(field['name'])
class JSONSchemaBuilder(object):
"""Builds a JSON Schema representation of a single GEVER type.
"""
def __init__(self, portal_type):
self.portal_type = portal_type
self.schema = None
if portal_type in GEVER_TYPES:
self.type_dumper = TypeDumper()
elif portal_type in GEVER_SQL_TYPES:
self.type_dumper = SQLTypeDumper()
else:
raise Exception("Unmapped type: %r" % portal_type)
def build_schema(self):
type_dump = self.type_dumper.dump(self.portal_type)
self.schema = JSONSchema(
title=type_dump['title'],
additional_properties=False,
)
field_order = []
# Collect field info from all schemas (base schema + behaviors)
for _schema in type_dump['schemas']:
# Note: This is not the final / "correct" field order as displayed
# in the user interface (which should eventually honor fieldsets
# and plone.autoform directives).
# The intent here is rather to keep a *consistent* order for now.
field_order.extend([field['name'] for field in _schema['fields']])
translated_title_fields = []
for field in _schema['fields']:
prop_def = self._property_definition_from_field(field)
self.schema.add_property(field['name'], prop_def)
if field['name'] in TRANSLATED_TITLE_NAMES:
translated_title_fields.append(field['name'])
if translated_title_fields:
self.schema.require_any_of(translated_title_fields)
self.schema.set_field_order(field_order)
return self.schema
def _property_definition_from_field(self, field):
"""Create a JSON Schema property definition from a field info dump.
"""
prop_def = self._js_type_from_zope_type(field['type'])
prop_def['title'] = field['title']
prop_def['description'] = field['description']
prop_def['_zope_schema_type'] = field['type']
self._process_choice(prop_def, field)
self._process_max_length(prop_def, field)
self._process_default(prop_def, field)
self._process_vocabulary(prop_def, field)
self._process_required(prop_def, field)
return prop_def
def _js_type_from_zope_type(self, zope_type):
"""Map a zope.schema type to a JSON schema (JavaScript) type.
Returns a minimal property definition dict including at least a
'type', and possibly a 'format' as well.
"""
if zope_type not in JSON_SCHEMA_FIELD_TYPES:
raise Exception(
"Don't know what JS type to map %r to. Please map it in "
"JSON_SCHEMA_FIELD_TYPES first." % zope_type)
type_spec = JSON_SCHEMA_FIELD_TYPES[zope_type].copy()
return type_spec
def _process_choice(self, prop_def, field):
if field['type'] == 'Choice':
prop_def['type'] = field['value_type']
def _process_max_length(self, prop_def, field):
if field.get('max_length') is not None:
prop_def['maxLength'] = field['max_length']
def _process_default(self, prop_def, field):
if 'default' in field:
prop_def['default'] = field['default']
def _process_vocabulary(self, prop_def, field):
if field.get('vocabulary'):
vocab = field['vocabulary']
if isinstance(vocab, basestring) and vocab.startswith('<'):
# Placeholder vocabulary (like <Any valid user> )
prop_def['_vocabulary'] = vocab
else:
prop_def['enum'] = vocab
def _process_required(self, prop_def, field):
if field.get('required', False):
if field['name'] not in TRANSLATED_TITLE_NAMES:
self.schema.set_required(field['name'])