Quick and dirty dict key lowercaser

key_lowercaser.py

import json

"""
This is NOT extensive in any way -- just something quick and dirty.
"""
def lowercase_keys(original, in_lists=False):
    if in_lists and isinstance(original, list):
        new_list = []

        for item in original:
            new_list.append(lowercase_keys(item, in_lists=True))

        return new_list

    if not isinstance(original, dict):
        return original

    staging_dict = {}

    for item, data in original.iteritems():
        lower_cased = lowercase_keys(data, in_lists=in_lists)
        staging_dict[item.lower()] = lower_cased

    return staging_dict


asdf = {
    "SomeValue": "IsThis",
    "SeCondV": "SoemthingElse",
    "Third": {
        "Nested": {
            "AnotherNested": "One",
            "Two": "AnotherNested"
        },
        "Three": "Four"
    },
    "Fourth": {
        "Some Value": [
            "One",
            "twO",
            {
                "Three": "Four",
                "Five": [
                    "6",
                    "7",
                    "8",
                    9,
                    10,
                    True,
                    -10202.33982
                ]
            }
        ]
    },
    "Fifth": None
}


#print(json.dumps(asdf, indent=4))
qwer = lowercase_keys(asdf)
print(json.dumps(qwer, indent=4))
print()
tyui = lowercase_keys(asdf, in_lists=True)
print(json.dumps(tyui, indent=4))

'''
This outputs:
$ python key_lowercaser.py
{
    "third": {
        "nested": {
            "anothernested": "One",
            "two": "AnotherNested"
        },
        "three": "Four"
    },
    "secondv": "SoemthingElse",
    "fifth": null,
    "fourth": {
        "some value": [
            "One",
            "twO",
            {
                "Five": [
                    "6",
                    "7",
                    "8",
                    9,
                    10,
                    true,
                    -10202.33982
                ],
                "Three": "Four"
            }
        ]
    },
    "somevalue": "IsThis"
}

{
    "third": {
        "nested": {
            "anothernested": "One",
            "two": "AnotherNested"
        },
        "three": "Four"
    },
    "secondv": "SoemthingElse",
    "fifth": null,
    "fourth": {
        "some value": [
            "One",
            "twO",
            {
                "five": [
                    "6",
                    "7",
                    "8",
                    9,
                    10,
                    true,
                    -10202.33982
                ],
                "three": "Four"
            }
        ]
    },
    "somevalue": "IsThis"
}
'''