Add deepcopy and pickle support to figures and graph objects #1191
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This PR adds support for
deepcopy
andpickle
operations on figures andgraph_objs
.This PR addresses:
This does not address the performance optimizations described in #1078. Support for
pickle
anddeepcopy
is added by implementing a__reduce__
method that simply calls the figure/graph_obj constructor with thedict
representation of the object.To lay a foundation for potential future optimization work, this PR also adds support for performing
deepcopy
on all validator classes.