问django -使用块读取上传的文件将分解某些行。

EN

def __iter__(self):
    # Iterate over this file-like object by newlines
    buffer_ = None
    for chunk in self.chunks():
        for line in chunk.splitlines(True):
            if buffer_:
                if endswith_cr(buffer_) and not equals_lf(line):
                    # Line split after a \r newline; yield buffer_.
                    yield buffer_
                    # Continue with line.
                else:
                    # Line either split without a newline (line
                    # continues after buffer_) or with \r\n
                    # newline (line == b'\n').
                    line = buffer_ + line
                # buffer_ handled, clear it.
                buffer_ = None

            # If this is the end of a \n or \r\n line, yield.
            if endswith_lf(line):
                yield line
            else:
                buffer_ = line

    if buffer_ is not None:
        yield buffer_

for line in f:
    # Do your stuff here
    ...

my_file = f.file
while True:
    line = my_file.readline()
    if not line:
        break
    # Do your stuff