id() is a built-in function in Python, so rename the property to link_id. Add
a scope_path StringProperty to cache the string representation of the
transitive closure of the nested scopes of an entity.
Patch by: Todd Larsen
"""
The md5 and sha modules are deprecated since Python 2.5, replaced by the
hashlib module containing both hash algorithms. Here, we provide a common
interface to the md5 and sha constructors, preferring the hashlib module when
available.
"""
try:
import hashlib
md5_constructor = hashlib.md5
sha_constructor = hashlib.sha1
except ImportError:
import md5
md5_constructor = md5.new
import sha
sha_constructor = sha.new