Error in zmq interface

[adeas31]

Only happens when you have some error message. Is probably because of my swedish locale.

Python 3.8.5 (tags/v3.8.5:580fbb0, Jul 20 2020, 15:57:54) [MSC v.1924 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from OMPython import OMCSessionZMQ
>>> omc = OMCSessionZMQ()
>>> omc.sendExpression("loadModel(Modelica)")
True
>>> omc.sendExpression("getNthInheritedClass(Modelica.Fluid.Machines.Pump, 1)")
'Modelica.Fluid.Machines.BaseClasses.PartialPump'
>>> omc.sendExpression("getErrorString()")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\OpenModelica\OMWebService\myenv\lib\site-packages\OMPython\__init__.py", line 776, in sendExpression
    result = self._omc.recv_string()
  File "C:\OpenModelica\OMWebService\myenv\lib\site-packages\zmq\sugar\socket.py", line 684, in recv_string
    return self._deserialize(msg, lambda buf: buf.decode(encoding))
  File "C:\OpenModelica\OMWebService\myenv\lib\site-packages\zmq\sugar\socket.py", line 590, in _deserialize
    return load(recvd)
  File "C:\OpenModelica\OMWebService\myenv\lib\site-packages\zmq\sugar\socket.py", line 684, in <lambda>
    return self._deserialize(msg, lambda buf: buf.decode(encoding))
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe4 in position 108: invalid continuation byte
>>>

[arun3688]

should this work? omc.sendExpression("getErrorString()").encode().decode()

[bilderbuchi]

Is whatever getErrorString() returns encoded in utf-8, and not e.g. this Windows-specific encoding (cp1252?) ?
Is there a "Jävla" in the error ;-)? (0xe4 seems to be "ä")

[adeas31]

should this work? omc.sendExpression("getErrorString()").encode().decode()

This didn't work.

[sjoelund]

You'll need to fix OMC's gettext to return UTF-8 text instead of Windows-1252 I guess. All strings should be Unicode...

[sjoelund]

Possibly, add a check in the OMC ZMQ interface that all strings are Unicode

[adeas31]

Fixed with #131