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Python調用REST API接口的幾種方式匯總

時間：2020-10-19來源：www.outletmksalestore.com作者：電腦系統城

相信做過自動化運維的同學都用過REST API接口來完成某些動作。API是一套成熟系統所必需的接口，可以被其他系統或腳本來調用，這也是自動化運維的必修課。

本文主要介紹python中調用REST API的幾種方式，下面是python中會用到的庫。

- urllib2
- httplib2
- pycurl
- requests

urllib2

- Sample1

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10 import urllib2, urllib
github_url = 'https://api.github.com/user/repos'
password_manager = urllib2.HTTPPasswordMgrWithDefaultRealm()
password_manager.add_password(None, github_url, 'user', '***')
auth = urllib2.HTTPBasicAuthHandler(password_manager) # create an authentication handler
opener = urllib2.build_opener(auth) # create an opener with the authentication handler
urllib2.install_opener(opener) # install the opener...
request = urllib2.Request(github_url, urllib.urlencode({'name':'Test repo', 'description': 'Some test repository'})) # Manual encoding required
handler = urllib2.urlopen(request)
print handler.read()

- Sample2

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11 import urllib2
url = 'http://ems.vip.ebay.com/removeSIforcloud.cgi?ip=' + ip
req = urllib2.Request(url)
req.add_header('IAF',abc.token_authiaas)
try:
resp = urllib2.urlopen(req)
except urllib2.HTTPError, error:
print "Cannot remove service instance!", error
sys.exit(1)
response = resp.read()
print response

- Sample3

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19 import urllib2, urllib, base64
url = "https://reparo.stratus.ebay.com/reparo/bootstrap/registerasset/" + rackid + "/" + asset
data = urllib.urlencode({
'reservedResource':'RR-Hadoop',
'resourceCapability':'Production',
'movetoironic':'False',
'output':'json'
})
print "Bootstrap Asset jobs starting .............."

base64string = base64.encodestring('%s:%s' % (user, passwd)).replace('\n', '')
request = urllib2.Request(url, data, headers={"Authorization" : "Basic %s" % base64string})
response = urllib2.urlopen(request).read()
response_json = json.loads(response)
response_status = response_json['status']
status_code = response_status['statusCode']
status = response_status['status']
message = response_status['message']
print status_code , status, message

2. httplib2

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7 import urllib, httplib2
github_url = '
h = httplib2.Http(".cache")
h.add_credentials("user", "******", "
data = urllib.urlencode({"name":"test"})
resp, content = h.request(github_url, "POST", data)
print content

3. pycurl

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10 import pycurl, json
github_url = "
user_pwd = "user:*****"
data = json.dumps({"name": "test_repo", "description": "Some test repo"})
c = pycurl.Curl()
c.setopt(pycurl.URL, github_url)
c.setopt(pycurl.USERPWD, user_pwd)
c.setopt(pycurl.POST, 1)
c.setopt(pycurl.POSTFIELDS, data)
c.perform()

4. requests

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5 import requests, json
github_url = "
data = json.dumps({'name':'test', 'description':'some test repo'})
r = requests.post(github_url, data, auth=('user', '*****'))
print r.json