Did I bork inventory?

[Quilnux]

Last night I had a player that told me their inventory gives them an error. I was able to reproduce it with my account, including the DM account. Did I mess something up perhaps?

Traceback (most recent call last):

  File "c:\program files\python\python39\Lib\site-packages\evennia\commands\cmdhandler.py", line

644, in _run_command

    ret = cmd.func()

  File "c:\program files\python\python39\Lib\site-packages\evennia\commands\default\general.py",

line 387, in func

    "{}".format(utils.crop(raw_ansi(item.db.desc), width=50) or ""),

  File "c:\program files\python\python39\Lib\site-packages\evennia\utils\ansi.py", line 526, in raw

    return string.replace("{", "{").replace("|", "|")

AttributeError: 'NoneType' object has no attribute 'replace'

An untrapped error occurred.

[Quilnux]

(pressing enter seems unwise in groups and it posted the message before I was ready)

[Continued]

I was easily able to fix it by examining the player and removing everything from their inventory but I was wondering why this happened in the first place. I've been creating objects in DM so it doesn't surprise me there but why would a player experience this?

[Kovitikus]

I think that wherever it is breaking, it's not a string. It's trying to do .replace on something that isn't the type of object it is expecting, the string object. That's my best guess at least. I don't know specifically where in your project this is broken.

[Zude Onim]

Have you changed the default 'inventory' command at all ?

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[Quilnux]

Sadly no, otherwise I would totally understand this and I'd be looking for a way to resolve it. I did some more testing since I posted this and it looks like there are only 2 items that cause this. If the account/character logs out and there is a server restart, it happens. Any chance this can happen for objects that were not created with a Persistant=true?

[Quilnux]

Here's a copy of the code that creates the object that goes to the player (caller)

from evennia import DefaultObject

from evennia.utils import create

[... class stuff... blah blahh]

item = create.create_object("typeclasses.objects.Object","Tankard of Ale")

item.move_to(caller)

Does this help? I also found out it seems to happen even if the character is not logged out.

[Zude Onim]

> [... class stuff... blah blahh]

Let's see this, too. It might help.

[Quilnux]

[from file: menu_BarMenuStarter.py]

from evennia import Command

from evennia.utils.evmenu import EvMenu

class CmdBarMenu(Command):

key = "Menu"

aliases = ("Food", "Drinks")

def func(self):

"Shows the menu for buying food and drinks"

EvMenu(self.caller, "commands.menus.menu_BarMenuModule", startnode="node1")

---

[from file: menu_BarMenuModule.py]

from evennia.utils.evmenu import EvMenu

from evennia import DefaultObject

from evennia.utils import create

    

def node1(caller, obj):

# (this is the start node if called like above)

# code

text = ("The Long Road Inn Food and Drink Menu", "There is no help text for this menu")

options = ({"desc": "Ale", "goto": "get_ale"},{"desc": "Mead", "goto": "get_Mead"})

return text, options

def get_ale(caller, obj):

item = create.create_object("typeclasses.objects.Object","Tankard of Ale")

item.move_to(caller)

return None

def get_Mead(caller, obj):

item = create.create_object("typeclasses.objects.Object","Tankard of Mead")

item.move_to(caller)

return None

[Quilnux]

I'm dumb... no no, seriously.. I'm a complete idiot... Just realized that in the script I never set the desc attribute... After applying the desc on the object, it works just fine...

[Zude Onim]

OK !

Well that was a nice little adventure.

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