Specify writable cache directory for PaddleOCR models

.gitignore

@@ -0,0 +1 @@
+/.paddleocr/

core/extractor.py

@@ -27,7 +27,7 @@ class Extractor:
         self.config['device'] = 'cpu'
 
         if (ocr == None):
-            self.ocr = PaddleOCR(lang='en')
+            self.ocr = PaddleOCR(lang='en', use_gpu=False, ocr_version='PP-OCRv3', det_model_dir='./.paddleocr/det', rec_model_dir='./.paddleocr/rec', cls_model_dir='./.paddleocr/cls')
         else:
             self.ocr = ocr
         if (detector == None):