[IPython-dev] Can't display gifs in notebooks.
Carl Smith
carl.input at gmail.com
Mon Jul 9 19:17:56 EDT 2012
I'm just testing the Notebook Tour example and gifs don't work.
I run this:
from IPython.display import Image
Image('http://python.org/images/python-logo.gif')
And get this:
UnicodeDecodeError Traceback (most recent call last)
<ipython-input-12-57e6a6c62249> in <module>()
1 from IPython.display import Image
----> 2 Image('http://python.org/images/python-logo.gif')
/usr/local/lib/python2.7/dist-packages/IPython/core/displayhook.pyc in
__call__(self, result)
240 self.update_user_ns(result)
241 self.log_output(format_dict)
--> 242 self.finish_displayhook()
243
244 def flush(self):
/usr/local/lib/python2.7/dist-packages/IPython/zmq/displayhook.pyc in
finish_displayhook(self)
59 sys.stdout.flush()
60 sys.stderr.flush()
---> 61 self.session.send(self.pub_socket, self.msg, ident=self.topic)
62 self.msg = None
63
/usr/local/lib/python2.7/dist-packages/IPython/zmq/session.pyc in
send(self, stream, msg_or_type, content, parent, ident, buffers,
subheader, track, header)
557
558 buffers = [] if buffers is None else buffers
--> 559 to_send = self.serialize(msg, ident)
560 flag = 0
561 if buffers:
/usr/local/lib/python2.7/dist-packages/IPython/zmq/session.pyc in
serialize(self, msg, ident)
461 content = self.none
462 elif isinstance(content, dict):
--> 463 content = self.pack(content)
464 elif isinstance(content, bytes):
465 # content is already packed, as in a relayed message
/usr/local/lib/python2.7/dist-packages/IPython/zmq/session.pyc in <lambda>(obj)
76
77 # ISO8601-ify datetime objects
---> 78 json_packer = lambda obj: jsonapi.dumps(obj, default=date_default)
79 json_unpacker = lambda s: extract_dates(jsonapi.loads(s))
80
/usr/lib/python2.7/dist-packages/zmq/utils/jsonapi.pyc in dumps(o, **kwargs)
72 """%jsonmod
73
---> 74 return _squash_unicode(jsonmod.dumps(o,
separators=(',',':'),**kwargs))
75
76 def loads(s,**kwargs):
/usr/lib/python2.7/dist-packages/simplejson/__init__.pyc in dumps(obj,
skipkeys, ensure_ascii, check_circular, allow_nan, cls, indent,
separators, encoding, default, use_decimal, namedtuple_as_object,
tuple_as_array, **kw)
294 namedtuple_as_object=namedtuple_as_object,
295 tuple_as_array=tuple_as_array,
--> 296 **kw).encode(obj)
297
298
/usr/lib/python2.7/dist-packages/simplejson/encoder.pyc in encode(self, o)
224 # exceptions aren't as detailed. The list call should
be roughly
225 # equivalent to the PySequence_Fast that ''.join() would do.
--> 226 chunks = self.iterencode(o, _one_shot=True)
227 if not isinstance(chunks, (list, tuple)):
228 chunks = list(chunks)
/usr/lib/python2.7/dist-packages/simplejson/encoder.pyc in
iterencode(self, o, _one_shot)
294 self.namedtuple_as_object, self.tuple_as_array)
295 try:
--> 296 return _iterencode(o, 0)
297 finally:
298 key_memo.clear()
UnicodeDecodeError: 'utf8' codec can't decode byte 0xd3 in position 6:
invalid continuation byte
It works fine with pngs and jpgs, just not gifs. I seem to get pretty
much the same error for all gifs.
I really need to get this working. Any help is appreciated.
Thanks
Carl
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