官网:Requests
接口:Main Interface
Requests 是一个第三方的http包。请求参数不需要手动拼接。
安装依赖pip install requests
发送请求
Requests 支持的请求方式POST
、GET
、OPTIONS
、DELETE
、PUT
、HEAD
、PATCH
示例
import requests
r = requests.get('https://api.github.com/events',params={'key1': 'value1', 'key2': 'value2'})
r = requests.post('https://httpbin.org/post', data={'key': 'value'})
r = requests.put('https://httpbin.org/put', data={'key': 'value'})
r = requests.delete('https://httpbin.org/delete')
r = requests.head('https://httpbin.org/get')
r = requests.options('https://httpbin.org/get')
当字典中某个key的值为None,则该key将不会被添加到url的querey string中
import requests
payload = {'key1': 'value1', 'key2': ['value2','value3'],'key3': None}
response = requests.get('https://httpbin.org/get', params=payload)
print(response.url)
输出结果 https://httpbin.org/get?key1=value1&key2=value2&key2=value3
响应结果
Requests 会自动解码服务器返回的响应内容。响应内容的编码依赖headers中的设置。
Requests 会自动对gzip
、deflate
类型的响应结果解码,而br
类型解码则需要安装Brotli
包(brotli 或 brotlicffi)
response.text
response.content
response.json()
json解码失败将抛出异常
response.raw
使用此方式需要在初始化reqeust时将stream置为`True`
with open(filename, 'wb') as fd:
for chunk in r.iter_content(chunk_size=128):
fd.write(chunk)
自定义header
headers = {'user-agent': 'my-app/0.0.1'}
reqeust.get('https://api.github.com/events',params={'key1': 'value1', 'key2': 'value2'},headers=headers)
发送json 数据
requests.post('https://api.github.com/some/endpoint',json={'some': 'data'}
上传文件
url = 'https://httpbin.org/post'
files = {'file': ('report.xls', open('report.xls', 'rb'), 'application/vnd.ms-excel', {'Expires': '0'})}
r = requests.post(url, files=files)
r.text
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