heppy.Config

Complexity

Total Complexity

3

Size/Duplication

Total Lines	7
Duplicated Lines	0 %

1 Method

Rating	Name	Duplication	Size	Complexity
A	Config.__init__()	0	3	2

import json
import collections

from pprint import pprint

# http://stackoverflow.com/questions/10703858
def merge_dict(d1, d2):
    """
    Modifies d1 in-place to contain values from d2.  If any value
    in d1 is a dictionary (or dict-like), *and* the corresponding
    value in d2 is also a dictionary, then merge them in-place.
    """
    for k,v2 in d2.items():
        v1 = d1.get(k) # returns None if v1 has no value for this key
        if (isinstance(v1, collections.Mapping)
        and isinstance(v2, collections.Mapping)):
            merge_dict(v1, v2)
        else:
            d1[k] = v2

class Config(dict):
    def __init__(self, path):
        with open(path) as file:
            self.merge(json.load(file))

    def merge(self, data):
        merge_dict(self, data)