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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Fri, 9 Nov 2012 01:13:45 -0700
Subject: Re: Writing game-state data...
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Xref: csiph.com comp.lang.python:33002

On Fri, Nov 9, 2012 at 12:20 AM, Graham Fielding <frednotbob@hotmail.ca> wrote:

>     file_object = open('savegame.sav', 'wb')

Here you open a file and assign it to "file_object".

>     file['map'] = map

Here you attempt to write to "file" instead of "file_object".  "file"
is the name of a built-in type, hence your error message.

Since you seem to be trying to use shelve, you should also probably be
calling shelve.open to open the file, not just open.

>     file['objects'] = objects
>     file['player_index'] = objects.index(player)  #index of player in
> objects list
>     file['inventory'] = inventory
>     file['game_msgs'] = game_msgs
>     file['game_state'] = game_state
>     file['stairs_index'] = objects.index(stairs)
>     file['dungeon_level'] = dungeon_level
>     file.close()

Same issue for all these other statements.