33 

    33 

    34 import code

    34 import code

    35 import getpass

    35 import getpass

    36 import os

    36 import os

    37 import sys

    37 import sys

    39 

    38 

    40 

    39 

    41 def auth_func():

    40 def auth_func():

    42   """Returns a tuple with username and password.

    41   """Returns a tuple with username and password.

    43   """

    42   """

    54     batchSize: how many entities to retrieve in one datastore call

    53     batchSize: how many entities to retrieve in one datastore call

    55 

    54 

    56   Retrieved from http://tinyurl.com/d887ll (AppEngine cookbook).

    55   Retrieved from http://tinyurl.com/d887ll (AppEngine cookbook).

    57   """

    56   """

    58 

    57 

    59    # AppEngine will not fetch more than 1000 results

    60    # AppEngine will not fetch more than 1000 results

    60   batchSize = min(batchSize,1000)

    61   batchSize = min(batchSize,1000)

    61 

    62 

    62   query = None

    63   query = None

    63   done = False

    64   done = False

    65 

    66 

    66   if key:

    67   if key:

    67     key = db.Key(key)

    68     key = db.Key(key)

    68 

    69 

    69   while not done:

    70   while not done:

    70     query = queryGen()

    72     query = queryGen()

    71     if key:

    73     if key:

    72       query.filter("__key__ > ",key)

    74       query.filter("__key__ > ",key)

    73     results = query.fetch(batchSize)

    75     results = query.fetch(batchSize)

    74     for result in results:

    76     for result in results: