data = { 'ids': [12, 3, 4, 5, 6 , ...] } urllib2.urlopen("http://abc.example/api/posts/create",urllib.urlencode(data))
I want to send a POST request, but one of the fields should be a list of numbers. How can I do that? (JSON?)
如果您的服务器期望 POST 请求是 json,那么您需要添加一个 Header,并序列化请求的数据..。
Python 2. x
import json import urllib2 data = { 'ids': [12, 3, 4, 5, 6] } req = urllib2.Request('http://example.com/api/posts/create') req.add_header('Content-Type', 'application/json') response = urllib2.urlopen(req, json.dumps(data))
Python 3. x
Https://stackoverflow.com/a/26876308/496445
如果您没有指定标头,那么它将是默认的 application/x-www-form-urlencoded类型。
application/x-www-form-urlencoded
我建议使用令人难以置信的 requests模块。
requests
Http://docs.python-requests.org/en/v0.10.7/user/quickstart/#custom-headers
url = 'https://api.github.com/some/endpoint' payload = {'some': 'data'} headers = {'content-type': 'application/json'} response = requests.post(url, data=json.dumps(payload), headers=headers)
You have to add header,or you will get http 400 error. 该代码在 python2.6,centos5.4上运行良好
密码:
import urllib2,json url = 'http://www.google.com/someservice' postdata = {'key':'value'} req = urllib2.Request(url) req.add_header('Content-Type','application/json') data = json.dumps(postdata) response = urllib2.urlopen(req,data)
For python 3.4.2, I found the following will work:
import urllib.request import json body = {'ids': [12, 14, 50]} myurl = "http://www.testmycode.example" req = urllib.request.Request(myurl) req.add_header('Content-Type', 'application/json; charset=utf-8') jsondata = json.dumps(body) jsondataasbytes = jsondata.encode('utf-8') # needs to be bytes req.add_header('Content-Length', len(jsondataasbytes)) response = urllib.request.urlopen(req, jsondataasbytes)
如果 URL 包含 Query String/Parameter 值,那么这对于 Python 3.5非常有效,
Python 3.5
请求 URL = https://bah2.example/ws/rest/v1/concept/ 参数值 = 21f6bb43-98a1-419d-8f0c-8133669e40ca
https://bah2.example/ws/rest/v1/concept/
import requests url = 'https://bahbah2.example/ws/rest/v1/concept/21f6bb43-98a1-419d-8f0c-8133669e40ca' data = {"name": "Value"} r = requests.post(url, auth=('username', 'password'), json=data) print(r.status_code)
下面是如何使用 Python 标准库中的 urllib.request 对象的示例。
import urllib.request import json from pprint import pprint url = "https://app.close.com/hackwithus/3d63efa04a08a9e0/" values = { "first_name": "Vlad", "last_name": "Bezden", "urls": [ "https://twitter.com/VladBezden", "https://github.com/vlad-bezden", ], } headers = { "Content-Type": "application/json", "Accept": "application/json", } data = json.dumps(values).encode("utf-8") pprint(data) try: req = urllib.request.Request(url, data, headers) with urllib.request.urlopen(req) as f: res = f.read() pprint(res.decode()) except Exception as e: pprint(e)
在最新的请求包中,您可以使用 requests.post()方法中的 json参数来发送一个 json 结果,头中的 Content-Type将被设置为 application/json。不需要显式指定标头。
requests.post()
json
Content-Type
application/json
import requests payload = {'key': 'value'} requests.post(url, json=payload)
这个对我来说很适合
import requests data={'Id':id ,'name': name} r = requests.post( url = 'https://apiurllink', data = data)
这里许多答案中使用的 请求软件包很棒,但是没有必要。您可以使用 Python 3标准库一步完成 JSON 数据的 POST:
import json from urllib import request request.urlopen(request.Request( 'https://example.com/url', headers={'Content-Type': 'application/json'}, data=json.dumps({ 'pi': 3.14159 }).encode() ))
如果需要读取结果,可以从返回的类似文件的对象中读取 .read(),并使用 json.loads()对 JSON 响应进行解码。
.read()
json.loads()