python filter a dictionary
d = dict(a=1, b=2, c=3, d=4, e=5)
print(d)
d1 = {x: d[x] for x in d.keys() if x not in ['a', 'b']}
print(d1)python filter a dictionary
d = dict(a=1, b=2, c=3, d=4, e=5)
print(d)
d1 = {x: d[x] for x in d.keys() if x not in ['a', 'b']}
print(d1)filter dict with certain keys
>>> obj = { "a":1, "b":{"c":2,"d":3}}
>>> only(obj,["a","b.c"])
{'a': 1, 'b': {'c': 2}}filter dict with certain keys
def only(object,keys):
obj = {}
for path in keys:
paths = path.split(".")
rec=''
origin = object
target = obj
for key in paths:
rec += key
if key in target:
target = target[key]
origin = origin[key]
rec += '.'
continue
if key in origin:
if rec == path:
target[key] = origin[key]
else:
target[key] = {}
target = target[key]
origin = origin[key]
rec += '.'
else:
target[key] = None
break
return objCopyright © 2021 Codeinu
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