Argument to_json added to json function in Base view.
Its value (which should be a boolean) determines if the data should be converted to a JSON object. Therefore if someone has already a JSON string and wants to return it in a HTTP response, he or she may set to_json=False and the object will not be converted.
"""
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