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# -*- coding: utf-8 -*- |
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from senaite.core.schema.interfaces import IBaseField |
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from senaite.core.schema.interfaces import IIntField |
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from zope.interface import implementer |
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from zope.schema import Field |
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from zope.schema import Int |
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from zope.schema._bootstrapfields import _NotGiven |
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@implementer(IBaseField) |
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class BaseField(Field): |
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"""Extensible base field |
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""" |
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def __init__(self, title=u"", description=u"", __name__="", |
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required=True, readonly=False, constraint=None, |
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default=None, defaultFactory=None, |
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missing_value=_NotGiven, **kw): |
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# Call superclass with known keywords |
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super(BaseField, self).__init__(title=title, description=description, |
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__name__=__name__, |
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required=required, |
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readonly=readonly, |
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constraint=constraint, |
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default=default, |
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defaultFactory=defaultFactory, |
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missing_value=missing_value) |
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# handle additional field arguments |
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self.read_permission = kw.get("read_permission") |
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self.write_permission = kw.get("write_permission") |
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def get(self, object): |
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"""Custom field getter |
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""" |
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return super(BaseField, self).get(object) |
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def query(self, object, default=None): |
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"""Custom field query |
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""" |
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return super(BaseField, self).query(object, default=default) |
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def set(self, object, value): |
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"""Custom field setter |
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This place would theoretically allow to set custom "change" events or |
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check permissions to write the field. |
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""" |
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super(BaseField, self).set(object, value) |
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@implementer(IIntField) |
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class IntField(Int, BaseField): |
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"""A field that handles Integer values |
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""" |
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def _validate(self, value): |
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super(IntField, self)._validate(value) |
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senaite /
senaite.core
