CalendarWidget打破了Plone 4.2.4 + PloneFormGen(CalendarWidget broken on Plone 4.2.4 + PloneFormGen)

 我正在将站点从4.0.9迁移到4.2.4。 我有PloneFormGen表单，它有一个日期字段，在视图中渲染该字段时会中断。 在这种情况下，在与之关联的CalendarWidget上。 
 
 这里添加了违规代码https://github.com/plone/Products.CMFPlone/commit/5044d9159be33464ca8f79193af97d2822e833f9 
 
 行minute_step minute_step | python: 5; minute_step minute_step | python: 5; 没有得到适当的评估，我明白了 
 
  Module Products.PageTemplates.ZRPythonExpr, line 48, in __call__
   - __traceback_info__: date_components_support_view.result(inputvalue, 0, starting_year, ending_year, future_years, minute_step)
  Module PythonExpr, line 1, in <expression>
  Module plone.app.form.widgets.datecomponents, line 195, in result
TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'
 
 而NoneType值来自minute_step 。 
 
 将该行更改为minute_step python: minute_step or 5; 使它再次工作。 
 
 我是唯一一个试验这个的人吗？ 

I am migrating a site from 4.0.9 to 4.2.4. I have PloneFormGen form that has a date field and it breaks when rendering that field in a view. In this case, on the CalendarWidget associated with it.
 
The offending code has been added here https://github.com/plone/Products.CMFPlone/commit/5044d9159be33464ca8f79193af97d2822e833f9
 
The line minute_step minute_step | python: 5; is not evaluated properly somehow, and I get 
 
  Module Products.PageTemplates.ZRPythonExpr, line 48, in __call__
   - __traceback_info__: date_components_support_view.result(inputvalue, 0, starting_year, ending_year, future_years, minute_step)
  Module PythonExpr, line 1, in <expression>
  Module plone.app.form.widgets.datecomponents, line 195, in result
TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'
 
whereas the NoneType value comes from minute_step.
 
Changing that line to minute_step python: minute_step or 5; makes it work again.
 
Am I the only one experimenting this?

原文：https://stackoverflow.com/questions/14608365