I entered the following script into the gae "interactive console" and
got the error message below. Verify this is an error and tell me what
I am doing wrong, please.
Brian in Atlanta
***************************script below*****
from google.appengine.ext import db
class Log(db.Model):
comment = db.StringProperty()
job = db.StringProperty()
category = db.IntegerProperty(default=0)
log = Log(key_name="billy",job="write",comment="good work")
print log.job
print log.category
key = db.Key.from_path("Log","billy")
log = Log.get(key)
print log.category
log.job = "read"
log.category += 1
log.put()
key = db.Key.from_path("Log",'billy')
log = Log.get(key)
print log.job
print log.category
***************************script above*****
***************************error below*****
write
0
Traceback (most recent call last):
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/
GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/
google/appengine/ext/admin/__init__.py", line 194, in post
exec(compiled_code, globals())
File "<string>", line 14, in <module>
AttributeError: 'NoneType' object has no attribute 'category'
***************************error above*****
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