Incidentally, this works after http://trac.sagemath.org/16746 where I
refactored our displayhook (and fixed a handful of bugs). Needs review
*hint* *hint*
sage: cython("""
....: cdef class A:
....: def __iter__(self):
....: for i in range(5): yield i
....: """)
sage: iter(A())
<generator object at 0x7f0da9366d10>
On Saturday, September 20, 2014 10:09:17 AM UTC+1, vdelecroix wrote:
>
> Hi,
>
> If I do a Cython class
>
> cdef class A:
> def __iter__(self):
> for i in range(5): yield i
>
> then in the console the iterator works fine but not its string
> representation.
>
> sage: a = A()
> sage: iter(a)
> KeyError Traceback (most recent call
> last)
> <ipython-input-6-039e95d088f4> in <module>()
> ----> 1 iter(w)
>
> /opt/sage_flatsurf/local/lib/python2.7/site-packages/IPython/core/displayhook.pyc
>
>
> in __call__(self, result)
> 251 self.write_output_prompt()
> 252 format_dict, md_dict =
> self.compute_format_data(result)
> --> 253 self.write_format_data(format_dict, md_dict)
> 254 self.update_user_ns(result)
> 255 self.log_output(format_dict)
>
> /opt/sage_flatsurf/local/lib/python2.7/site-packages/IPython/core/displayhook.pyc
>
>
> in write_format_data(self, format_dict, md_dict)
> 172 # newline, even if all the prompt separators are ''. This
> is the
> 173 # standard IPython behavior.
> --> 174 result_repr = format_dict['text/plain']
> 175 if '\n' in result_repr:
> 176 # So that multi-line strings line up with the left
> column of
>
> KeyError: 'text/plain'
>
> Does anybody knows where the problem comes from?
>
> Vincent
>
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