def compute_hash(fp, buf_size=8192, size=None, hash_algorithm=md5):
hash_obj = hash_algorithm()
spos = fp.tell()
if size and size < buf_size:
s = fp.read(size)
else:
s = fp.read(buf_size)
while s:
if not isinstance(s, bytes):
s = s.encode('utf-8')
hash_obj.update(s)
if size:
size -= len(s)
if size <= 0:
break
if size and size < buf_size:
s = fp.read(size)
else:
s = fp.read(buf_size)
hex_digest = hash_obj.hexdigest()
base64_digest = encodebytes(hash_obj.digest()).decode('utf-8')
if base64_digest[-1] == '\n':
base64_digest = base64_digest[0:-1]
# data_size based on bytes read.
data_size = fp.tell() - spos
fp.seek(spos)
return (hex_digest, base64_digest, data_size)
def __init__(self, cls, db_name, db_user, db_passwd,
db_host, db_port, db_table, ddl_dir, enable_ssl):
self.cls = cls
if not db_name:
db_name = cls.__name__.lower()
self.db_name = db_name
self.db_user = db_user
self.db_passwd = db_passwd
self.db_host = db_host
self.db_port = db_port
self.db_table = db_table
self.ddl_dir = ddl_dir
self.s3 = None
self.converter = XMLConverter(self)
self.impl = getDOMImplementation()
self.doc = self.impl.createDocument(None, 'objects', None)
self.connection = None
self.enable_ssl = enable_ssl
self.auth_header = None
if self.db_user:
base64string = encodebytes('%s:%s' % (self.db_user, self.db_passwd))[:-1]
authheader = "Basic %s" % base64string
self.auth_header = authheader
def get_proxy_auth_header(self):
auth = encodebytes(self.proxy_user + ':' + self.proxy_pass)
return {'Proxy-Authorization': 'Basic %s' % auth}
'Outbound': ('2010-10-01', 'SellerId',
'/FulfillmentOutboundShipment/2010-10-01'),
'Inventory': ('2010-10-01', 'SellerId',
'/FulfillmentInventory/2010-10-01'),
'Recommendations': ('2013-04-01', 'SellerId',
'/Recommendations/2013-04-01'),
'CustomerInfo': ('2014-03-01', 'SellerId',
'/CustomerInformation/2014-03-01'),
'CartInfo': ('2014-03-01', 'SellerId',
'/CartInformation/2014-03-01'),
'Subscriptions': ('2013-07-01', 'SellerId',
'/Subscriptions/2013-07-01'),
'OffAmazonPayments': ('2013-01-01', 'SellerId',
'/OffAmazonPayments/2013-01-01'),
}
content_md5 = lambda c: encodebytes(hashlib.md5(c).digest()).strip()
decorated_attrs = ('action', 'response', 'section',
'quota', 'restore', 'version')
api_call_map = {}
def add_attrs_from(func, to):
for attr in decorated_attrs:
setattr(to, attr, getattr(func, attr, None))
to.__wrapped__ = func
return to
def structured_lists(*fields):
def decorator(func):
def sign_string(self, string_to_sign):
new_hmac = self._get_hmac()
new_hmac.update(string_to_sign.encode('utf-8'))
return encodebytes(new_hmac.digest()).decode('utf-8').strip()
def sign_string(self, string_to_sign):
new_hmac = self._get_hmac()
new_hmac.update(string_to_sign.encode('utf-8'))
return encodebytes(new_hmac.digest()).decode('utf-8').strip()