def _convert_index(self, index):
if isinstance(index, int):
return str(index + 1) # -> matlab 1-based indexing
elif isString(index):
return self._matlab_str_repr(index)
elif isinstance(index, slice):
if index == slice(None, None, None):
return ":"
elif index.step not in (None, 1):
raise ValueError("Illegal index for a proxy %r" % index)
else:
start = (index.start or 0) + 1
if start == 0: start_s = 'end'
elif start < 0: start_s = 'end%d' % start
else: start_s = '%d' % start
if index.stop is None: stop_s = 'end'
elif index.stop < 0: stop_s = 'end%d' % index.stop
else: stop_s = '%d' % index.stop
return '%s:%s' % (start_s, stop_s)
else:
raise TypeError("Unsupported index type: %r." % type(index))
def _convert_index(self, index):
if isinstance(index, int):
return str(index + 1) # -> matlab 1-based indexing
elif isString(index):
return self._matlab_str_repr(index)
elif isinstance(index, slice):
if index == slice(None,None,None):
return ":"
elif index.step not in (None,1):
raise ValueError("Illegal index for a proxy %r" % index)
else:
start = (index.start or 0) + 1
if start == 0: start_s = 'end'
elif start < 0: start_s = 'end%d' % start
else: start_s = '%d' % start
if index.stop is None: stop_s = 'end'
elif index.stop < 0: stop_s = 'end%d' % index.stop
else: stop_s = '%d' % index.stop
return '%s:%s' % (start_s, stop_s)
else:
raise TypeError("Unsupported index type: %r." % type(index))
def convert_individual_index(index):
if isinstance(index, int): # XXX there might be a better type-check
if index < 0:
return "end%+d" % (index+1)
else:
return str(index + 1)
elif isString(index):
return "'%s'" % index
elif isinstance(index, slice):
if index == slice(None,None,None):
return ":"
else:
start, stop, step = index.start, index.stop, index.step
if start is None:
if (step or 1) < 0:
mstart = 'end'
else:
mstart = '1'
elif start < 0: mstart = 'end%d' % (start-1)
else: mstart = str(start+1)
if stop is None:
if (step or 1) < 0:
mstop = '1'
else:
mstop = 'end'
elif stop < 0: mstop = 'end%d' % stop
else: mstop = str(stop)
print "DEBUG: ", mstart + ':' + str(step) + ':' + mstop
if step is not None:
return mstart + ':' + str(step) + ':' + mstop
else:
return mstart + ':' + mstop
# XXX could also handle arrays, lists and tuples, but not right now
else:
raise TypeError("Unsupported proxy index type: %r." % type(index))
