def validate(self, value):
"""Makes sure that whatever you are putting, does not exceed size"""
value = super(Blob,self).validate(value)
if self.size <= -1:
return value
inBytes = Size.inBytes(value)
if not inBytes <= self.size :
raise BadValueError("Your blob size must be less than: %s , got: %s" % self.size, inBytes )
if not isinstance(value, blob):
if isinstance(value, basestring):
value = blob(value)
else:
value = blob(str(value))
return value
def deconvert(self, value):
'''Change a JSON repr of a blob stored in the datastore to a python object'''
new = blob()
loaded = yaml.load(value)
for name, value in loaded.items():
setattr(new, name, value)
return new
def testBlobAcceptsBlobs(self):
'''Verifies that you can use the `blob` builtin with the Blob descriptor'''
image = blob("Some stupid content" * 50, mimetype="application/text")
self.test.image = image
