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Fixed deepcopy segfault issue with Camera

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This commit is contained in:
Grant Sanderson
2018-02-20 16:44:36 -08:00
parent d3a39f2e65
commit f76a34c273
1 changed files with 9 additions and 1 deletions
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10
camera/camera.py
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@ -5,6 +5,7 @@ import os
from PIL import Image
from colour import Color
import aggdraw
import copy
from helpers import *
from mobject import Mobject, PMobject, VMobject, \
@ -45,6 +46,13 @@ class Camera(object):
self.resize_space_shape()
self.reset()
def __deepcopy__(self, memo):
# This is to address a strange bug where deepcopying
# will result in a segfault, which is somehow related
# to the aggdraw library
self.canvas = None
return copy.copy(self)
def resize_space_shape(self, fixed_dimension = 0):
"""
Changes space_shape to match the aspect ratio
@ -205,7 +213,7 @@ class Camera(object):
## Methods associated with svg rendering
def get_aggdraw_canvas(self):
if not hasattr(self, "canvas"):
if not hasattr(self, "canvas") or not self.canvas:
self.reset_aggdraw_canvas()
return self.canvas