fix: tests workflow and force b-file encoding

.github/workflows/tests.yml

@@ -15,10 +15,10 @@ jobs:
       CONDA_ENV: 'environment.yml'
     strategy:
       matrix:
-        python-version: ["3.9", "3.11"]
-      os: [ubuntu-latest, windows-latest]
+        python-version: ["3.9"]
+        os: [ubuntu-latest, windows-latest]
 
-    name: tests_python-${{ matrix.python-version }}
+    name: tests_python-${{ matrix.python-version }}-${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
       - uses: conda-incubator/setup-miniconda@v2
@@ -28,7 +28,7 @@ jobs:
           environment-file: ${{ env.CONDA_ENV }}
       - name: Install extra dependencies
         shell: bash -el {0}
-        run: poetry install --with dev
+        run: poetry install --with dev && conda install -c conda-forge liblsl
       - name: Test with pytest
         shell: bash -el {0}
         run: |

micromed_io/scripts/emulate_online_trc.py

@@ -9,14 +9,15 @@
 """
 import logging
 import socket
-import numpy as np
 import time
 from datetime import datetime
 from pathlib import Path
+
 import click
+import numpy as np
 
-from micromed_io.in_out import MicromedIO
 import micromed_io.tcp as mmio_tcp
+from micromed_io.in_out import ENCODING, MicromedIO
 
 
 @click.command(context_settings=dict(max_content_width=120))
@@ -77,7 +78,7 @@ def run(
         raise FileNotFoundError(f"{file} does not exist")
 
     # open trc file
-    with open(str(Path(file)), "rb") as f:
+    with open(str(Path(file)), "rb", encoding=ENCODING) as f:
         b_data_trc = f.read()
     if verbosity >= 1:
         logging.info("TRC file read done.")

micromed_io/trc.py

@@ -7,7 +7,7 @@
 
 import numpy as np
 
-from micromed_io.in_out import MicromedIO
+from micromed_io.in_out import ENCODING, MicromedIO
 
 
 class MicromedTRC(MicromedIO):
@@ -34,15 +34,15 @@ def __init__(
     ):
         MicromedIO.__init__(self, None)
         self.filename = filename
-        with open(self.filename, "rb") as f:
+        with open(self.filename, "rb", encoding=ENCODING) as f:
             b_data = f.read(
                 self._get_data_address()
             )  # trick to not open the whole file
             self.decode_data_header_packet(b_data)
 
     def _get_data_address(self):
         """Read and return data address"""
-        with open(self.filename, "rb") as f:
+        with open(self.filename, "rb", encoding=ENCODING) as f:
             packet = f.read(142)
             data_address = int.from_bytes(packet[138:142], "little")
         return data_address
@@ -103,7 +103,7 @@ def get_data(
                 * self.micromed_header.nb_of_channels
             )
 
-        with open(self.filename, "rb") as f:
+        with open(self.filename, "rb", encoding=ENCODING) as f:
             f.seek(self._get_data_address() + start_address)
             b_data = f.read(packet_size)
             self.decode_data_eeg_packet(b_data, picks, keep_raw, use_volt)