In [5]: x = matloader.loadmat('159.mat')
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-5-6b112fe7d7a1> in <module>()
----> 1 x = matloader.loadmat('159.mat')

/usr/lib/python3.6/site-packages/matloader/mio.py in loadmat(file_name, mdict, appendmat, variable_names, **kwargs)
    133     """
    134     MR = mat_reader_factory(file_name, appendmat, **kwargs)
--> 135     matfile_dict = MR.get_variables(variable_names)
    136     if mdict is not None:
    137         mdict.update(matfile_dict)

/usr/lib/python3.6/site-packages/matloader/mio5.py in get_variables(self, variable_names)
    432         if isinstance(variable_names, string_types):
    433             variable_names = [variable_names]
--> 434         self._set_workspace()
    435         self._prepare_stream()
    436         variables = {"__header__": self._desc,

/usr/lib/python3.6/site-packages/matloader/mio5.py in _set_workspace(self)
    491             lambda stream, _: stream.seek((-stream.tell()) % 8, 1))
    492 
--> 493         entry, = reader._read_iter()
    494         data = entry.data
    495         name, fw = data["MCOS"].item().item()

/usr/lib/python3.6/site-packages/matloader/mio5.py in _read_iter(self, stream, info_only, load_only)
    328                     for p in pr:
    329                         for field in fields:
--> 330                             p[field] = next(reader).data
    331                     if matrix_cls == mxOBJECT_CLASS:
    332                         pr = MatlabObject(pr, classname)

/usr/lib/python3.6/site-packages/matloader/mio5.py in _read_iter(self, stream, info_only, load_only)
    347                     dtype = object
    348                 elif matrix_cls == mxOPAQUE_CLASS:
--> 349                     name, = self._as_identifiers(dims) or ("",)
    350                     opaque_components = []
    351                     while stream.tell() < entry_end:

/usr/lib/python3.6/site-packages/matloader/mio5.py in _as_identifiers(data)
    222         """
    223         names = [  # Extra call to str to avoid returning unicode on Python 2.
--> 224             name for name in str(data.tostring().decode("ascii")).split("\0")
    225             if name]
    226         if len(set(names)) < len(names):

AttributeError: 'tuple' object has no attribute 'tostring'

In [2]: mat = matloader.loadmat('testclass_simple_6.mat')

In [3]: mat['simple'].shape
Out[3]: (1, 1)

In [4]: mat['simple'][0,0].shape
Out[4]: ()

In [5]: type(mat['simple'])
Out[5]: numpy.ndarray

In [6]: type(mat['simple'][0,0])
Out[6]: numpy.void

In [7]: mat['simple']['array_field_2']
Out[7]: array([[array([[ 0.,  1.,  2.,  3.,  4.,  5.]])]], dtype=object)

In [8]: mat['simple'][0,0]['array_field_2']
Out[8]: array([[ 0.,  1.,  2.,  3.,  4.,  5.]])

In [2]: x = matloader.loadmat('159.mat', squeeze_me=True)
---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
<ipython-input-2-5abbb4686d75> in <module>()
----> 1 x = matloader.loadmat('159.mat', squeeze_me=True)

/usr/lib/python3.6/site-packages/matloader/mio.py in loadmat(file_name, mdict, appendmat, variable_names, **kwargs)
    133     """
    134     MR = mat_reader_factory(file_name, appendmat, **kwargs)
--> 135     matfile_dict = MR.get_variables(variable_names)
    136     if mdict is not None:
    137         mdict.update(matfile_dict)

/usr/lib/python3.6/site-packages/matloader/mio5.py in get_variables(self, variable_names)
    439                      "__globals__": [],  # FIXME Not covered by tests.
    440                      "__version__": self._version}
--> 441         for entry in self._read_iter(load_only=variable_names):
    442             if entry is None:
    443                 continue

/usr/lib/python3.6/site-packages/matloader/mio5.py in _read_iter(self, stream, info_only, load_only)
    256                     for entry in self._read_iter(
    257                         ZlibInputStream(stream, nbytes),
--> 258                         info_only=info_only, load_only=load_only):
    259                         yield entry
    260                 except ValueError:

/usr/lib/python3.6/site-packages/matloader/mio5.py in _read_iter(self, stream, info_only, load_only)
    362                         classname, opaque_ids = opaque_components
    363                         opaque_ids = opaque_ids.data
--> 364                         if not self._is_opaque_ids(opaque_ids):
    365                             raise ValueError("Unsupported opaque format: {}".
    366                                              format(opaque_ids[0]))

/usr/lib/python3.6/site-packages/matloader/mio5.py in _is_opaque_ids(self, obj)
    467 
    468     def _is_opaque_ids(self, obj):
--> 469         return obj.dtype == np.uint32 and obj[0, 0] == 0xdd000000
    470 
    471     def _resolve_opaque_ids(self, opaque_ids):

IndexError: too many indices for array