在分析完整的文件读取代码时,我们可以利用类图展示该操作的结构。 FileHandler+bytearray read_file(file_path: str) 结合时序图,可以展示方法调用的顺序: OpenFileReadContentConvertToBytes # 完整的类实现classFileHandler:defread_file(self,file_path):withopen(fil
# 导入必要的库defconvert_image_to_bytes(image_path):try:# 以二进制可读的方式打开图片文件withopen(image_path,'rb')asimage_file:# 利用read()方法读取文件数据image_bytes=image_file.read()returnimage_bytesexceptIOError:print("Error: Unable to open the image file.")# 使用示例image_path='exampl...
defbinary_image_to_text(input_file,output_file,width=100):# Open binary image filewithopen(input_file,'rb')asf:binary_data=f.read()# Convert binary data toPILImage object img=Image.frombytes('L',(width,-1),binary_data)# Convert image to text text_data=''forrowinimg.getdata():forpi...
When attempting to pack a non-integer using any of the integer conversion codes, if the non-integer has a__index__()method then that method is called to convert the argument to an integer before packing. If no__index__()method exists, or the call to__index__()raisesTypeError, then ...
4、解决“lOError: File not open for writing” 错误提示 5、解决“SyntaxError:invalid syntax” 错误提示 6、解决“TypeError: 'str' object does not support item assignment”错误提示 7、解决 “TypeError: Can't convert 'int' object to str implicitly”错误提示 ...
@ops_conn_operation def file_exist_on_slave(file_path='', ops_conn=None): home_dir = get_cwd(slave=1) if home_dir is None: logging.error("Failed to get the home directory on slave main board.") return False if file_path.startswith(home_dir): file_path_real = file_path else:...
data types in our applications. While using different type of variables we may need to convert th...
To convert bytes to strings in Python, we can use the decode() method, specifying the appropriate encoding.
Help on built-in function from_bytes: from_bytes(bytes, byteorder, *, signed=False) method of builtins.type instance Return the integer represented by the given array of bytes. bytes Holds the array of bytes to convert. The argument must either ...
# 将PDF文件转换为图片defconvert_pdf_2_img(pdf_file:str,pages:int)->list[str]:"""convert pdf to image:param pdf_file: pdf file path:param pages: convert pages number(at most):return: output of image file path list"""pdf_document=fitz.open(pdf_file)output_image_file_path_list=[]#...