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# -*- coding: utf-8 -*-
from bika.lims import api
from zope.component import adapter
from zope.interface import Interface
from zope.interface import implementer
from zope.publisher.interfaces.browser import IBrowserRequest
from zope.traversing.interfaces import ITraversable
from zope.traversing.interfaces import TraversalError
@adapter(Interface, IBrowserRequest)
@implementer(ITraversable)
class FieldTraversal(object):
"""Allow to traverse schema fields via the ++field++ namespace.
"""
def __init__(self, context, request=None):
self.context = context
self.request = request
def traverse(self, name, ignored):
fields = api.get_fields(self.context)
field = fields.get(name)
if not field:
raise TraversalError(name)
field = field.bind(self.context)
return field
senaite /
senaite.core
