import sys
import urllib
import urllib2
import urlparse
import hmac
import hashlib
import json
from datetime import datetime
class AlluraApiClient(object):
def __init__(self, base_url, api_key, secret_key, verbose=False):
self.base_url = base_url
self.api_key = api_key
self.secret_key = secret_key
self.verbose = verbose
def sign(self, path, params):
params.append(('api_key', self.api_key))
params.append(('api_timestamp', datetime.utcnow().isoformat()))
message = path + '?' + urllib.urlencode(sorted(params))
digest = hmac.new(self.secret_key, message, hashlib.sha256).hexdigest()
params.append(('api_signature', digest))
return params
def call(self, url, **params):
url = urlparse.urljoin(self.base_url, url)
params = self.sign(urlparse.urlparse(url).path, params.items())
try:
result = urllib2.urlopen(url, urllib.urlencode(params))
resp = result.read()
return json.loads(resp)
except urllib2.HTTPError, e:
if self.verbose:
error_content = e.read()
e.msg += '. Error response:\n' + error_content
raise e