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python Programming Glossary: key_nameHow do I define a unique property for a Model in Google App Engine? http://stackoverflow.com/questions/1185628/how-do-i-define-a-unique-property-for-a-model-in-google-app-engine made up of property name value. Then you could use get_by_key_name to fetch one or more of these composite key names and if you.. 'unique values' # Build a list of key names to test. key_names for key in values key_names.append ' s s' key values key def.. a list of key names to test. key_names for key in values key_names.append ' s s' key values key def txn result cls.get_by_key_name..
Python Google App Engine Image object http://stackoverflow.com/questions/13810823/python-google-app-engine-image-object serving_url db.LinkProperty dyn Dynamic.get_by_key_name key_name try # get url with size 0 dyn.serving_url images.get_serving_url.. serving_url db.LinkProperty dyn Dynamic.get_by_key_name key_name try # get url with size 0 dyn.serving_url images.get_serving_url..
http://stackoverflow.com/questions/2687724/copy-an-entity-in-google-app-engine-datastore-in-python-without-knowing-property props Example usage b clone_entity a c clone_entity a key_name 'foo' d clone_entity a parent a.key .parent share improve..
How to use a custom __init__ of an app engine Python model class properly? http://stackoverflow.com/questions/3279833/how-to-use-a-custom-init-of-an-app-engine-python-model-class-properly the queue. I use the relative path of blog posts as their key_name and want to use that as key_name here too. This led me to a.. of blog posts as their key_name and want to use that as key_name here too. This led me to a custom init class DeleteQueueItem.. via task queue. # URL path to the blog post is handled as key_name delete_when db.DateTimeProperty def __init__ self kwargs delay..
Python: how to print a dictionary's key? http://stackoverflow.com/questions/5904969/python-how-to-print-a-dictionarys-key to print a specific python dictionary key mydic mydic 'key_name' 'value_name' Now i can check if mydic.has_key 'key_name' but.. 'key_name' 'value_name' Now i can check if mydic.has_key 'key_name' but what i would like to do is print the name of the key 'key_name'... but what i would like to do is print the name of the key 'key_name'. Of course i could use mydic.items but i don't want all the..
Custom keys for Google App Engine models (Python) http://stackoverflow.com/questions/2465675/custom-keys-for-google-app-engine-models-python with the given keyword args. The entity must have a KEY_NAME property which can either be a string or a callable. If KEY_NAME.. property which can either be a string or a callable. If KEY_NAME is a string the keyword args are interpolated into it. If it's.. to it as a single dict. # Make sure the class has its KEY_NAME property set if not hasattr entity 'KEY_NAME' raise RuntimeError..
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