Python:urllib2 multipart/form-data和proxies

import urllib2

url = 'http://example.com/upload'
file_path = '/path/to/file.txt'

# 打开文件并读取内容
with open(file_path, 'rb') as f:
    file_content = f.read()

# 构建multipart/form-data请求
data = {
    'file': ('file.txt', file_content),
    'name': 'John Doe',
    'email': 'john.doe@example.com'
}

req = urllib2.Request(url, data=data)

# 设置proxies
proxies = {
    'http': 'http://proxy.example.com:8080',
    'https': 'https://proxy.example.com:8080'
}

# 发送请求
response = urllib2.urlopen(req, proxies=proxies)

# 输出响应内容
print(response.read())