from functools import reduce
[docs]def deep_get(dictionary, *keys):
return reduce(
lambda d, key: d.get(key, None) if isinstance(d, dict) else None,
keys,
dictionary,
)
[docs]class Hasher(dict):
[docs] def __missing__(self, key):
value = self[key] = type(self)()
return value
[docs] def get(self, path, sep=".", default=None):
keys = path.split(sep)
val = None
for key in keys:
if val:
if isinstance(val, list):
val = [v.get(key, default) if v else None for v in val]
else:
val = val.get(key, default)
else:
val = dict.get(self, key, default)
if not val:
break
return val
[docs] def __str__(self):
return str(dict(self))