Python3.x:requests的用法

Python3.x:requests的用法

1,requests 比 urllib.request 容錯能力更強;python

2,一般用法:git

(1).認證、狀態碼、header、編碼、jsongithub

r = requests.get('https://api.github.com/user', auth=('user', 'pass'))
r.status_code

r.headers['content-type']
輸出:'application/json; charset=utf8'
r.encoding
輸出:'utf-8'
r.text
輸出:u'{"type":"User"...'
r.json()
輸出:{u'private_gists': 419, u'total_private_repos': 77, ...}

(2).發起請求json

import requests
URL="http://www.bsdmap.com/"
#
r = requests.get(URL)
#
r = requests.post(URL)
#
r = requests.put(URL)
#
r = requests.delete(URL)
#
r = requests.head(URL)
#
r = requests.options(URL)

(3).經過URL傳遞參數api

payload = {'key1': 'value1', 'key2': 'value2'}
r = requests.get("http://httpbin.org/get", params=payload)
print r.url
輸出:u'http://httpbin.org/get?key2=value2&key1=value1'

(4).返回內容app

import requests
r = requests.get('https://github.com/timeline.json')
r.text
輸出:'[{"repository":{"open_issues":0,"url":"https://github.com/...
r.encoding
輸出:'utf-8'
r.encoding = 'ISO-8859-1'

(5).二進制內容post

r.content
輸出:b'[{"repository":{"open_issues":0,"url":"https://github.com/...

from PIL import Image
from StringIO import StringIO
i = Image.open(StringIO(r.content))

(6).JSONui

import requests
r = requests.get('https://github.com/timeline.json')
r.json()
輸出:[{u'repository': {u'open_issues': 0, u'url': 'https://github.com/...

(7).超時編碼

requests.get('http://github.com', timeout=0.001)

(8).自定義headerurl

import json
url = 'https://api.github.com/some/endpoint'
payload = {'some': 'data'}
headers = {'content-type': 'application/json'}

r = requests.post(url, data=json.dumps(payload), headers=headers)

官方文檔:http://docs.python-requests.org/en/latest/user/quickstart/

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