from __future__ import print_function
import os
import sys
import json

from config import *



def eprint(*args, **kwargs):
	print(*args, file=sys.stderr, **kwargs)


# #from typing import Iterable            # > py38
# from collections import Iterable        # < py38

# def flatten(items):
# 	"""Yield items from any nested iterable; see Reference."""
# 	for x in items:
# 		if isinstance(x, Iterable) and not isinstance(x, (str, bytes)):
# 			for sub_x in flatten(x):
# 				yield sub_x
# 		else:
# 			yield x


def jlog( obj ):
	print( json.dumps(obj, indent=4) ) #"\t") )

def ensure_dir(d):
	if not os.path.exists(d):
		os.makedirs(d)

def args2domains( list ):
	domains = []
	while len(list) > 0:
		str = list[0]
		if str == '&' or str == '|' or str == '!':
			domains.append( str )
			list = list[1:]
		else:
			domains.append( (list[0], list[1], list[2]) )
			list = list[3:]
	return domains

# eprint( args2domains(sys.argv[3:]) )


def file_path( muid, format ):
	return "%s/%s.%s" % ( DATADIR, muid, format )

def json_path( model, id ):
	return "%s/%s.json" % ( DATADIR, Muid(model, id) )

def Muid( model, id ):
	return "%s/%s" % ( model, id )

def uniq( arr ):
	return list(set(arr))

def groupby_model( arr ):
	res = {}
	for muid in arr:
		model, id = muid.split('/')
		if not model in res:
			res[model] = [] 
		res[model].append( int(id) )
	return res