Added OCR support via the ocr.space API. Closes #93

src/extra/ocr/OCRSpace.py

@@ -0,0 +1,37 @@
+# -*- 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
+

src/extra/ocr/__init__.py

@@ -0,0 +1,2 @@
+# -*- coding: utf-8 -*-
+import OCRSpace