/usr/share/pyshared/zope/formlib/bugs.txt is in python-zope.formlib 4.0.5-0ubuntu5.
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`setupWidgets` and `DISPLAY_UNWRITEABLE`
++++++++++++++++++++++++++++++++++++++++
This is to verify that bug #219948 is gone: setupWidgets doesn't check for
write access on the adapter.
Create a form containg two interfaces:
>>> import zope.formlib.tests
>>> class MyFormBase(object):
... form_fields = zope.formlib.form.FormFields(
... zope.formlib.tests.IOrder, zope.formlib.tests.IDescriptive,
... render_context=zope.formlib.interfaces.DISPLAY_UNWRITEABLE).omit(
... 'now')
>>> class MyEditForm(MyFormBase, zope.formlib.form.EditForm):
... pass
Instanciate the context objects and the form:
>>> import zope.publisher.browser
>>> request = zope.publisher.browser.TestRequest()
>>> order = zope.formlib.tests.Order()
>>> form = MyEditForm(order, request)
When we render the form, the fields of IDescriptive are read only because we
have no write access (this is configured in ftesting.zcml), the others are
writable[#needsinteraction]_:
>>> form.setUpWidgets()
>>> form.widgets['title']
<zope.formlib.widget.DisplayWidget object at 0x...>
>>> form.widgets['name']
<zope.formlib.textwidgets.TextWidget object at 0x...>
Make sure we have the same behaviour for non-edit forms:
>>> class MyForm(MyFormBase, zope.formlib.form.Form):
... pass
>>> import zope.publisher.browser
>>> request = zope.publisher.browser.TestRequest()
>>> order = zope.formlib.tests.Order()
>>> form = MyForm(order, request)
>>> form.setUpWidgets()
>>> form.widgets['title']
<zope.formlib.widget.DisplayWidget object at 0x...>
>>> form.widgets['name']
<zope.formlib.textwidgets.TextWidget object at 0x...>
Clean up:
>>> zope.security.management.endInteraction()
.. [#needsinteraction]
>>> import zope.security.management
>>> import zope.security.testing
>>> request.setPrincipal(zope.security.management.system_user)
>>> zope.security.management.newInteraction(request)
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