上传文件的特殊处理formdata

上传文件 链接的处理

from contextlib import closing
from io import BytesIO
from requests_toolbelt.multipart.encoder import MultipartEncoder

def judge_url_size(self, url, size_limit):
    #获取url地址的大小
    content = bytearray()
    with closing(
            requests.get(url, stream=True)) as req:  # stream=True 设置文本流使用迭代器获取 如:req.iter_lines
        if 'content-length' in req.headers:
            if int(req.headers['content-length']) > size_limit:
                raise Exception(
                    'content-length too many. content-length: ' + str(req.headers['content-length']))
            content = req.content
        else:
            size_temp = 0
            for line in req.iter_lines():
                if line:
                    size_temp += len(line)
                    if size_temp > size_limit:
                        raise Exception('content-length too many.')
                    content.extend(line)
    return bytes(content)

data = MultipartEncoder(
fields={
# "file": (name, open(file_path, 'rb'), "type=txt"),
# "file": (name, open(file_path, 'rb'), f'type={type}'),
"file": (name, BytesIO(file)),
}
)