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Fix for non-ascii characters in text annotations of open-ephys files #1827

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Fix for non-ascii characters in text annotations of open-ephys files #1827

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675cfa7
added utf8 decoding for strings if first attemp fails
MarinManuel Mar 23, 2026
cb1db66
added utf8 decoding for strings if first attemp fails
MarinManuel Mar 23, 2026
3f457af
Merge remote-tracking branch 'origin/master'
MarinManuel Mar 23, 2026
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23 changes: 19 additions & 4 deletions neo/rawio/openephysbinaryrawio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -405,16 +405,31 @@ def _parse_header(self):
# all theses data are put in event array annotations
if "text" in info:
# text case
info["labels"] = info["text"].astype("U")
try:
info["labels"] = info["text"].astype("U")
except UnicodeDecodeError:
info["labels"] = np.array([e.decode('utf-8') for e in info['text']], dtype='U')
elif "metadata" in info:
# binary case
info["labels"] = info["channels"].astype("U")
try:
info["labels"] = info["channels"].astype("U")
except UnicodeDecodeError:
# non-ascii character, fallback on UTF-8 decoding byte by byte
info["labels"] = np.array([e.decode('utf-8') for e in info['channels']], dtype='U')
elif "channels" in info:
# ttl case use channels
info["labels"] = info["channels"].astype("U")
try:
info["labels"] = info["channels"].astype("U")
except UnicodeDecodeError:
# non-ascii character, fallback on UTF-8 decoding byte by byte
info["labels"] = np.array([e.decode('utf-8') for e in info['channels']], dtype='U')
elif "states" in info:
# ttl case use states
info["labels"] = info["states"].astype("U")
try:
info["labels"] = info["states"].astype("U")
except UnicodeDecodeError:
# non-ascii character, fallback on UTF-8 decoding byte by byte
info["labels"] = np.array([e.decode('utf-8') for e in info['states']], dtype='U')
else:
raise ValueError(f"There is no possible labels for this event!")

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