#15066: Pymongo breaks displayhook _graphics_()
------------------------+-----------------------------
Reporter: vbraun | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.12
Component: graphics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies: #14469
Stopgaps: |
------------------------+-----------------------------
Apparently pymongo uses a getattr hack that claims to have all and every
method implemented, and then fails flat on its face when you actually try.
This breaks the new displayhook.
Note that this error will just appear if you (implicitly) call the
displayhook. Pymongo is working just fine, only the implicit printing is
broken:
{{{
sage: import pymongo
sage: c = pymongo.Connection()
sage: c.__repr__()
"Connection('localhost', 27017)"
sage: c
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
<ipython-input-4-2cd6ee2c70b0> in <module>()
----> 1 c
/home/vbraun/opt/sage-5.12.beta0/local/lib/python2.7/site-
packages/IPython/core/displayhook.pyc in __call__(self, result)
236 self.start_displayhook()
237 self.write_output_prompt()
--> 238 format_dict = self.compute_format_data(result)
239 self.write_format_data(format_dict)
240 self.update_user_ns(result)
/home/vbraun/opt/sage-5.12.beta0/local/lib/python2.7/site-
packages/IPython/core/displayhook.pyc in compute_format_data(self, result)
148 MIME type representation of the object.
149 """
--> 150 return self.shell.display_formatter.format(result)
151
152 def write_format_data(self, format_dict):
/home/vbraun/opt/sage-5.12.beta0/local/lib/python2.7/site-
packages/IPython/core/formatters.pyc in format(self, obj, include,
exclude)
124 continue
125 try:
--> 126 data = formatter(obj)
127 except:
128 # FIXME: log the exception
/home/vbraun/opt/sage-5.12.beta0/local/lib/python2.7/site-
packages/sage/misc/displayhook.pyc in __call__(self, obj)
310 """
311 if hasattr(obj, '_graphics_') and not isinstance(obj,
type):
--> 312 if obj._graphics_():
313 return ''
314 s = self._format_obj(obj)
/home/vbraun/opt/sage-5.12.beta0/local/lib/python2.7/site-
packages/pymongo-2.6-py2.7-linux-x86_64.egg/pymongo/database.pyc in
__call__(self, *args, **kwargs)
811 "call the '%s' method on a '%s' object it
is "
812 "failing because no such method exists." %
(
--> 813 self.__name,
self.__connection.__class__.__name__))
814
815
TypeError: 'Database' object is not callable. If you meant to call the
'_graphics_' method on a 'Connection' object it is failing because no such
method exists.
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/15066>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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