python 使用第三方库requests-toolbelt 上传文件流的示例

# pip install requests-toolbelt  使用第三方库上传文件流
from requests_toolbelt.multipart.encoder import MultipartEncoder

import requests
files = {'file1': open('logo.png', 'rb')}
response = requests.post('http://www.hangge.com/upload.php', files=files)
print(response.text)

import requests
files = {'file1':
             ('logo.png',  # 文件名
              open('logo.png', 'rb'),  # 文件流
              'image/png',  # 请求头Content-Type字段对应的值
              {'Expires': '0'})
         }
response = requests.post('http://www.hangge.com/upload.php', files=files)
print(response.text)

import requests
files = [
    ('file1', ('1.png', open('logo.png', 'rb'), 'image/png')),
    ('file2', ('2.png', open('logo.png', 'rb'), 'image/png'))
]
response = requests.post('http://www.hangge.com/upload.php', files=files)
print(response.text)

import requests

data = {
    "name": "hangge.com",
    "age": 100
}
files = [
    ('file1', ('1.png', open('logo.png', 'rb'), 'image/png')),
    ('file2', ('2.png', open('logo.png', 'rb'), 'image/png'))
]
response = requests.post('http://www.hangge.com/upload.php', data=data, files=files)
print(response.text)

pip install requests-toolbelt

import requests
from requests_toolbelt import MultipartEncoder

# 边读取文件边上传文件
m = MultipartEncoder(
    fields={'name': 'logo.com',  # 字段1
            "age": '100',  # 字段2
            'file1': ('1.png', open('logo.png', 'rb'), 'image/png'),  # 文件1
            'file2': ('2.png', open('logo.png', 'rb'), 'image/png')  # 文件2
            }
)
r = requests.post('http://www.hangge.com/upload.php', data=m, headers={'Content-Type': m.content_type})
print(r.text)

import requests
from requests_toolbelt import MultipartEncoder, MultipartEncoderMonitor
def my_callback(monitor):
    progress = (monitor.bytes_read / monitor.len) * 100
    print("\r 文件上传进度：%d%%(%d/%d)" % (progress, monitor.bytes_read, monitor.len), end=" ")


e = MultipartEncoder(
    fields={'name': 'logo.com',  # 参数1
            "age": '100',  # 参数2
            'file1': ('1.png', open('logo.png', 'rb'), 'image/png'),  # 文件1
            'file2': ('2.png', open('logo.png', 'rb'), 'image/png')  # 文件2
            }
)

m = MultipartEncoderMonitor(e, my_callback)

r = requests.post('http://www.hangge.com/upload.php', data=m, headers={'Content-Type': m.content_type})
print(r.text)