Python循環(huán)導入？所以我得到了這個錯誤Traceback (most recent call last):
File "/Users/alex/dev/runswift/utils/sim2014/simulator.py", line 3, in <module>
from world import World
File "/Users/alex/dev/runswift/utils/sim2014/world.py", line 2, in <module>
from entities.field import Field
File "/Users/alex/dev/runswift/utils/sim2014/entities/field.py", line 2, in <module>
from entities.goal import Goal
File "/Users/alex/dev/runswift/utils/sim2014/entities/goal.py", line 2, in <module>
from entities.post import Post
File "/Users/alex/dev/runswift/utils/sim2014/entities/post.py", line 4, in <module>
from physics import PostBody
File "/Users/alex/dev/runswift/utils/sim2014/physics.py", line 21, in <module>
from entities.post import PostImportError: cannot import name Post您可以看到，我在上面使用了相同的import語句，它可以工作嗎？關于循環(huán)進口有不成文的規(guī)定嗎？如何在調用堆棧的后面使用相同的類？
3 回答
尚方寶劍之說
TA貢獻1788條經驗 獲得超4個贊
def X1: return "x1"from Y import Y2def X2: return "x2"
def Y1: return "y1"from X import X1def Y2: return "y2"
from X import Y
import X z = X.Y
#import X (actual import moved down to avoid circular dependency)
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