stdout.readline().decode('UTF-8')
时间: 2024-05-31 09:13:41 浏览: 14
这行代码是从标准输出中读取一行数据并将其解码为 UTF-8 格式的字符串。通常情况下,标准输出是一个程序将结果输出到屏幕或终端设备的常见方式。在这个代码中,我们使用 readline() 方法读取一行输出,并使用 decode() 方法将字节流解码为字符串。这个方法常用于与子进程交互,从子进程的标准输出中读取结果。
相关问题
line = subp.stdout.readline().decode('utf-8') KeyboardInterrupt ^CTerminate batch job (Y/N)?
This looks like a snippet of code written in Python that is attempting to read a line of output from a subprocess. The error message "KeyboardInterrupt" suggests that the user has interrupted the program with a keyboard command, such as pressing Ctrl+C. The following line of text "Terminate batch job (Y/N)?" is likely a message from the shell that is running the batch job, asking the user whether they want to terminate the job or not.
开始建模 Project 91 successfully created. 66 photo(s) added in 1 photogroup(s): photogroup #1: The aerotriangulation job has been submitted and is waiting to be processed... Pending Running 1% - Initializing... 4% - Extracting keypoints... 40% - Extracting keypoints... 45% - Initializing... 60% - Initializing... 75% - Initializing... 90% - Matching tie points... 91% - Matching tie points... 93% - Performing bundle adjustment... 96% - Computing splats... 98% - Computing splats... Completed Aerotriangulation completed. Ready for reconstruction. Reconstruction item created. Production item created. The production job has been submitted and is waiting to be processed... Pending Running 8% - Initializing... 20% - Reconstructing initial 3D mesh... 32% - Reconstructing initial 3D mesh... 41% - Reconstructing initial 3D mesh... 80% - Reconstructing initial 3D mesh... Completed 建模结束 上面的程序输出经过for line in iter(process.stdout.readline, b''): print(line) if "建模结束" in line.decode(): print('end')为什么会报这种错UnicodeDecodeError: 'utf-8' codec can't decode byte 0xbf in position 0: invalid start byte
这个错误通常是由于尝试使用 `utf-8` 编码对无效的字节进行解码导致的。在处理输出时,可能会遇到一些无法使用 `utf-8` 解码的特殊字符,因此触发了这个错误。
为了解决这个问题,你可以尝试使用其他的编码方式来解码字节字符串,或者忽略无法解码的字符。下面是一个示例代码:
```python
for line in iter(process.stdout.readline, b''):
try:
decoded_line = line.decode('utf-8')
print(decoded_line)
except UnicodeDecodeError:
decoded_line = line.decode('utf-8', 'ignore')
print(decoded_line)
```
在这个示例中,我们尝试使用 `utf-8` 编码来解码字节字符串。如果遇到无法解码的字符,我们使用 `'ignore'` 参数来忽略这些字符,并继续打印解码后的字符串。
通过这种方式,你可以避免由于无效字符导致的解码错误,并继续处理程序的输出。
希望能帮助到你!如果还有其他问题,请随时提问。