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allow schema processor plugin adapter

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This commit is contained in:
Helmut Merz 2016-08-25 16:41:40 +02:00
parent ef05da60e1
commit d742b87c9c
2 changed files with 18 additions and 3 deletions
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10
composer/schema/factory.py
View file

@ -1,5 +1,5 @@
#
# Copyright (c) 2009 Helmut Merz helmutm@cy55.de
# Copyright (c) 2016 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -26,7 +26,7 @@ from zope.interface import Interface
from zope import schema
from cybertools.composer.schema.field import Field
from cybertools.composer.schema.interfaces import ISchemaFactory
from cybertools.composer.schema.interfaces import ISchemaFactory, ISchemaProcessor
from cybertools.composer.schema.schema import Schema
@ -70,6 +70,7 @@ class SchemaFactory(object):
def __init__(self, context):
self.context = context
self.schemaProcessor = ISchemaProcessor(self, None)
def __call__(self, interface, **kw):
fieldMapping = self.fieldMapping
@ -84,7 +85,10 @@ class SchemaFactory(object):
field = interface[fname]
info = fieldMapping.get(field.__class__)
f = createField(field, info)
fields.append(f)
if self.schemaProcessor is not None:
f = self.schemaProcessor.process(f)
if f is not None:
fields.append(f)
return Schema(name=interface.__name__, *fields, **kw)

11
composer/schema/interfaces.py
View file

@ -73,6 +73,17 @@ class ISchemaFactory(Interface):
"""
class ISchemaProcessor(Interface):
""" Interface for schema processor adapters.
"""
def process(field):
""" Process field according to specific processor data and
return modified field. Return None if field should not
be included in schema.
"""
class FieldType(SimpleTerm):
hidden = False