# -*- coding: utf-8 -*-
""" original module taken and modified from https://github.com/ctoth/cloudOCR"""
import requests

class APIError(Exception):
	pass

class OCRSpaceAPI(object):

	def __init__(self, key="4e72ae996f88957", url='https://api.ocr.space/parse/image'):
		self.key = key
		self.url = url

	def OCR_URL(self, url, overlay=False):
		payload = {
			'url': url,
			'isOverlayRequired': overlay,
			'apikey': self.key,
		}
		r = requests.post(self.url, data=payload)
		result = r.json()['ParsedResults'][0]
		if result['ErrorMessage']:
			raise APIError(result['ErrorMessage'])
		return result

	def OCR_file(self, fileobj, overlay=False):
		payload = {
			'isOverlayRequired': overlay,
			'apikey': self.key,
			'lang': 'es',
		}
		r = requests.post(self.url, data=payload, files={'file': fileobj})
		results = r.json()['ParsedResults']
		if results[0]['ErrorMessage']:
			raise APIError(results[0]['ErrorMessage'])
		return results