dot notation to json

dot2json.py

import itertools
import collections
import pprint
import json
import os
import dicttoxml

def dot_to_json(a,b):
	output = {}
	for index, key in enumerate(a):
		value = b[index]
		path = key.split('.')
		#handle fields with nth explicit nesting
		try:
			value = value.strip().replace("\"","")
			target = reduce(lambda d, k: d.setdefault(k, {}), path[:-1], output)
			target.update({path[-1] : value})
			lastbroken = ""
		except AttributeError:
			#shame on the creator of the original config file
			if lastbroken == "":
				lastbroken = lastpath[-1]
			path = [w.replace(lastbroken, lastbroken+"_cfg") for w in path]

			target = reduce(lambda d, k: d.setdefault(k, {}), path[:-1], output)
			target.update({path[-1] : value})

		lastvalue=value
		lastpath=path
	return output

filenames = [ "hardware/avr/boards.txt", "hardware/avr/platform.txt", "hardware/sam/boards.txt", "hardware/sam/platform.txt" ]
s = {}

for filename in filenames:
	s_t = {}
	with open(filename) as f:
		content = f.readlines()
		listKey = []
		listValues = []
		for element in content:
			a = element.split("=")
			b = a[0].split(".")

			if (len(a) == 2 and element[0]!="#"):
				listKey.append(a[0])
				listValues.append(a[1])

	s_t = dot_to_json(listKey, listValues)
	pp = pprint.PrettyPrinter()
	#pp.pprint(s)
	core = "arduino"
	base = os.path.basename(filename)
	arch = os.path.dirname(filename).split("/")[-1]
	module = os.path.splitext(base)[0]

	baseStr = core+" "+arch+" "+module
	baseList = baseStr.split(" ")
	print(baseList)
	target = reduce(lambda d, k: d.setdefault(k, {}), baseList[:-1], s)
	target.update({baseList[-1] : s_t})


j = json.dumps(s, ensure_ascii=True)
xml = dicttoxml.dicttoxml(s, attr_type=False)
pp.pprint(j)