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Make child command class correctly pick up parent docstring if it's missing

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This commit is contained in:
Griatch 2020-02-28 23:41:57 +01:00
parent f0bce70102
commit 95b4c58ecd
1 changed files with 8 additions and 0 deletions
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8
evennia/commands/command.py
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@ -6,6 +6,7 @@ All commands in Evennia inherit from the 'Command' class in this module.
"""
import re
import math
import inspect
from django.conf import settings
@ -74,6 +75,13 @@ def _init_command(cls, **kwargs):
cls.is_exit = False
if not hasattr(cls, "help_category"):
cls.help_category = "general"
# make sure to pick up the parent's docstring if the child class is
# missing one (important for auto-help)
if cls.__doc__ is None:
for parent_class in inspect.getmro(cls):
if parent_class.__doc__ is not None:
cls.__doc__ = parent_class.__doc__
break
cls.help_category = cls.help_category.lower()