Python Dictionary Stuff from Stackoverflow

delete_dicts_by_keyname_rercusively.py

#The version that modifies in-place (very much like Ned Batchelders solution):
# https://stackoverflow.com/questions/3405715/elegant-way-to-remove-fields-from-nested-dictionaries

from collections import MutableMapping
from contextlib import suppress

def delete_keys_from_dict(dictionary, keys):
    for key in keys:
        with suppress(KeyError):
            del dictionary[key]
    for value in dictionary.values():
        if isinstance(value, MutableMapping):
            delete_keys_from_dict(value, keys)

#And the solution that returns a new object:

from collections import MutableMapping

def delete_keys_from_dict(dictionary, keys):
    keys_set = set(keys)  # Just an optimization for the "if key in keys" lookup.

    modified_dict = {}
    for key, value in dictionary.items():
        if key not in keys_set:
            if isinstance(value, MutableMapping):
                modified_dict[key] = delete_keys_from_dict(value, keys_set)
            else:
                modified_dict[key] = value  # or copy.deepcopy(value) if a copy is desired for non-dicts.
    return modified_dict

get_dicts_in_list_recurse_python.py

def get_recursively(search_dict, field):
    """
    Takes a dict with nested lists and dicts,
    and searches all dicts for a key of the field
    provided.
    source: https://stackoverflow.com/questions/14962485/finding-a-key-recursively-in-a-dictionary
    """
    fields_found = []

    for key, value in search_dict.iteritems():

        if key == field:
            fields_found.append(value)

        elif isinstance(value, dict):
            results = get_recursively(value, field)
            for result in results:
                fields_found.append(result)

        elif isinstance(value, list):
            for item in value:
                if isinstance(item, dict):
                    more_results = get_recursively(item, field)
                    for another_result in more_results:
                        fields_found.append(another_result)

    return fields_found

gistfile1.txt

https://stackoverflow.com/questions/7320319/xpath-like-query-for-nested-python-dictionaries