Find duplicate blocks in a nio project

duplicate_blocks.py

# Usage: From your nio project root run:
#
# python duplicate_blocks.py
from copy import copy
import json
import os
from os.path import join

blocks = {}


def block_configs_match(block1, block2):
    """ Returns True if two block configs match on everything but name/id """
    block1 = copy(block1)
    block2 = copy(block2)
    del block1['id']
    del block1['name']
    del block2['id']
    del block2['name']
    return block1 == block2


for _, _, filenames in os.walk('etc/blocks'):
    for filename in filenames:
        if not filename.endswith('.cfg'):
            continue
        filename = join('etc', 'blocks', filename)
        with open(filename) as block:
            block_cfg = json.load(block)
            blocks[block_cfg['id']] = block_cfg

for block1_id, block1 in blocks.items():
    for block2_id, block2 in blocks.items():
        if block2_id == block1_id:
            continue
        if block_configs_match(block1, block2):
            print("Block \"{}\" ({}) and \"{}\" ({}) are "
                  "matching {} blocks".format(
                      block1['name'], block1_id[:6],
                      block2['name'], block2_id[:6],
                      block1['type'],
                  ))