| import sys |
| import urllib |
| import urllib2 |
| import urlparse |
| import hmac |
| import hashlib |
| import json |
| import logging |
| from datetime import datetime |
| |
| |
| log = logging.getLogger('import') |
| |
| class AlluraImportApiClient(object): |
| |
| def __init__(self, base_url, api_key, secret_key, verbose=False, retry=True): |
| self.base_url = base_url |
| self.api_key = api_key |
| self.secret_key = secret_key |
| self.verbose = verbose |
| self.retry = retry |
| |
| 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()) |
| |
| while True: |
| 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 |
| except (urllib2.URLError, IOError): |
| if self.retry: |
| log.exception('Error making API request, will retry') |
| continue |
| raise |
