Sociagram Python API

sociagram.py

class SociagramApi(object):
    """
    Ported over from Sociagrams really shoddy Zend based API client (lololol, many fails, very 'enterprise')
    """
    def __init__(self, key=None, secret=None):
        self.api_url = 'https://api.sociagram.com/v1'
        self.key = settings.SOCIAGRAM_API_KEY if key is None else key
        self.secret = settings.SOCIAGRAM_API_SECRET if secret is None else secret

    def makeRequest (self, uri, method='get', get=None, post=None):
        full_uri = self.api_url.rstrip('/') + '/' + uri.lstrip('/')
        parsed_uri = urlparse(full_uri)
        nonce = os.urandom(16).encode('hex')
        timestmap = str(int(time.time()))
        if method == 'post':
            if post is None:
                post = {}
            post['request_nonce'] = nonce
            post['request_key'] = self.key
            post['request_timestamp'] = timestmap
        elif method == 'get':
            if get is None:
                get = {}
            get['request_nonce'] = nonce
            get['request_key'] = self.key
            get['request_timestamp'] = timestmap

        validation_string = self.createValidationString(parsed_uri.path, method, get, post)
        signature = self.signature(validation_string, self.secret)
        if method == 'post':
            post['request_signature'] = signature
        elif method == 'get':
            get['request_signature'] = signature            

        if method == 'get':
            r = requests.get(full_uri, params=get)
        elif method == 'post':
            r = requests.post(full_uri, params=post)
        r.raise_for_status()
        return r.json

    def createValidationString(self, uri, method='get', get=None, post=None ):
        assert uri is not None
        assert get is not None
        assert 'request_key' in get
        assert 'request_nonce' in get

        # Merge in POST vars
        params = get.items()
        if post is not None:
            params += post.items()
        params += [('request_method', method.lower()), ('request_path', uri.lower())]
        params = sorted([item for item in params if item[0] != 'request_signature'])        
        validation_string = ''
        for pair in params:
            if len(validation_string) > 0:
                validation_string += '&'
            if pair[0] != 'request_path':
                validation_string += '%s=%s' % (urllib.quote(pair[0]), urllib.quote(pair[1]))
            else:
                validation_string += '%s=%s' % (pair[0], pair[1])       
        return validation_string

    def signature(self, base_string, consumer_secret):
        mac = hmac.new(consumer_secret, base_string, hashlib.sha1)
        return urllib.quote(base64.b64encode(mac.digest()))