3b1b-manim/manimlib/utils/dict_ops.py
Grant Sanderson d9c85aac46 Add dict_eq
2023-01-31 15:37:30 -08:00

48 lines
1.3 KiB
Python

import itertools as it
import numpy as np
def merge_dicts_recursively(*dicts):
"""
Creates a dict whose keyset is the union of all the
input dictionaries. The value for each key is based
on the first dict in the list with that key.
dicts later in the list have higher priority
When values are dictionaries, it is applied recursively
"""
result = dict()
all_items = it.chain(*[d.items() for d in dicts])
for key, value in all_items:
if key in result and isinstance(result[key], dict) and isinstance(value, dict):
result[key] = merge_dicts_recursively(result[key], value)
else:
result[key] = value
return result
def soft_dict_update(d1, d2):
"""
Adds key values pairs of d2 to d1 only when d1 doesn't
already have that key
"""
for key, value in list(d2.items()):
if key not in d1:
d1[key] = value
def dict_eq(d1, d2):
if len(d1) != len(d2):
return False
for key in d1:
value1 = d1[key]
value2 = d2[key]
if type(value1) != type(value2):
return False
if type(d1[key]) == np.ndarray:
if any(d1[key] != d2[key]):
return False
elif d1[key] != d2[key]:
return False
return True