AttributeError: module 'canlib' has no attribute 'openChannel'
时间: 2023-07-24 07:14:16 浏览: 80
抱歉,看起来我在示例代码中犯了一个错误。请尝试将示例代码中的`canlib.openChannel`和`canlib.closeChannel`替换为`canlib.openChannelLibrary()`和`canlib.closeChannelLibrary()`,如下所示:
```python
import canlib
def read_blf_file(file_path, signal_names):
canlib.openChannelLibrary()
reader = canlib.Reader()
reader.open_file(file_path)
signals = []
for signal_name in signal_names:
signal_id = reader.get_signal_id(signal_name)
if signal_id != -1:
signals.append(signal_id)
else:
print(f"Signal '{signal_name}' not found in the blf file.")
while True:
message = reader.get_next_message()
if message is None:
break
for signal_id in signals:
signal_value = message.get_signal(signal_id)
print(f"Signal '{signal_names[signal_id]}' value: {signal_value}")
reader.close_file()
canlib.closeChannelLibrary()
# 示例用法
blf_file_path = "path/to/your/file.blf"
selected_signals = ["Signal1", "Signal2", "Signal3"]
read_blf_file(blf_file_path, selected_signals)
```
这个修改应该解决了`AttributeError: module 'canlib' has no attribute 'openChannel'`的问题。如果问题仍然存在,请确保您已正确安装了`canlib`库,并且可以从Python中导入它。
如果您还有其他问题,请随时向我提问。
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