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Python: FileNotFoundError: [Errno 2] No such file or directory 错误

[英]Python: FileNotFoundError: [Errno 2] No such file or directory error

Want to name a file with open function, but error occur.想用打开的 function 命名文件,但出现错误。 Can not figure out what is the problem, with just img_name = 'image1' everything is OK.无法弄清楚是什么问题,只需 img_name = 'image1' 一切正常。 Thanks谢谢

img_name = f'{id_}/image-{img_num}.jpg'
with open(img_name, 'wb') as img_file:
     

When writing a file in python, the folder you write to (here {id_} ) must exist.在 python 中写入文件时,您写入的文件夹(此处为{id_} )必须存在。

You can use os.makedirs(folder) if it doesn't currently exist.如果当前不存在,您可以使用os.makedirs(folder)

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