python object类型转换_python对象类型转换

我一直在尝试搜索如何在python中传递对象引用，并像Java一样对其进行类型转换，但没有成功。我不知道这个话题是否存在。

我的问题是必须将对象引用传递给类构造函数。但我不知道如何将引用类型转换为对象。在java中，虽然我已经完成了这个任务，但是我必须将代码传输到服务器端。

非常感谢，

杰克class SearchRectangle:

def __init__(self, lower_left_subgrid_x, lower_left_subgrid_y, rectangle_width, rectangle_height):

self.min_subgrid_x = int(lower_left_subgrid_x)

self.max_subgrid_x = int(self.min_subgrid_x + rectangle_width -1)

self.min_subgrid_y = int(lower_left_subgrid_y)

self.max_subgrid_y = int(self.min_subgrid_y + rectangle_height -1)

...blah

class SearchRectangleMultiGrid:

# parent rectangle should be a SearchRectangle instance

def __init__(self, parent_rectangle):

self.parent_rectangle = SearchRectangle()parent_rectangle

# test codes

test_rect = SearchRectangle(test_subgrid.subgrid_x, test_subgrid.subgrid_y, 18, 18)

print "\n\nTest SearchRectangle";

print test_rect.to_string()

print test_rect.sql_clause

test_rec_multi = SearchRectangleMultiGrid(test_rect)

print "\n\nTest SearchRectangleMulti"

test_rec_multi.parent_rectangle.to_string()