finished easyocr and pipeline

tools/python-ocr/daemon.py

@@ -12,6 +12,7 @@ import sys
 import json
 
 _easyocr_reader = None
+_paddle_ocr = None
 
 
 def _redirect_stdout_to_stderr():
@@ -100,6 +101,46 @@ def run_easyocr_array(img):
     return {"ok": True, "text": "\n".join(all_text_parts), "lines": lines}
 
 
+def get_paddleocr():
+    global _paddle_ocr
+    if _paddle_ocr is None:
+        sys.stderr.write("Loading PaddleOCR model...\n")
+        sys.stderr.flush()
+        real_stdout = _redirect_stdout_to_stderr()
+        try:
+            from paddleocr import PaddleOCR
+            _paddle_ocr = PaddleOCR(use_angle_cls=True, lang="en", use_gpu=True, show_log=False)
+        finally:
+            _restore_stdout(real_stdout)
+        sys.stderr.write("PaddleOCR model loaded.\n")
+        sys.stderr.flush()
+    return _paddle_ocr
+
+
+def run_paddleocr_array(img):
+    ocr = get_paddleocr()
+
+    real_stdout = _redirect_stdout_to_stderr()
+    try:
+        results = ocr.ocr(img, cls=True)
+    finally:
+        _restore_stdout(real_stdout)
+
+    lines = []
+    all_text_parts = []
+    # PaddleOCR returns [page_results], each item is [bbox_4corners, (text, conf)]
+    if results and results[0]:
+        for item in results[0]:
+            bbox, (text, conf) = item
+            if not text.strip():
+                continue
+            x, y, w, h = bbox_to_rect(bbox)
+            words = split_into_words(text, x, y, w, h)
+            lines.append({"text": text.strip(), "words": words})
+            all_text_parts.append(text.strip())
+    return {"ok": True, "text": "\n".join(all_text_parts), "lines": lines}
+
+
 def load_image(req):
     """Load image from either imagePath (file) or imageBase64 (base64-encoded PNG)."""
     from PIL import Image
@@ -131,6 +172,8 @@ def handle_request(req):
 
     if engine == "easyocr":
         return run_easyocr_array(img)
+    elif engine == "paddleocr":
+        return run_paddleocr_array(img)
     else:
         return {"ok": False, "error": f"Unknown engine: {engine}"}