update ch_pp-ocrv3_det (#2173)

* update ch_pp-ocrv3_det

* update

modules/image/text_recognition/ch_pp-ocrv3_det/module.py

@@ -21,22 +21,36 @@ import ast
 import base64
 import os
 import time
+from io import BytesIO
 
 import cv2
 import numpy as np
 import paddle.inference as paddle_infer
 from PIL import Image
 
-from paddlehub.utils.utils import logger
 from paddlehub.module.module import moduleinfo
 from paddlehub.module.module import runnable
 from paddlehub.module.module import serving
+from paddlehub.utils.utils import logger
 
 
 def base64_to_cv2(b64str):
     data = base64.b64decode(b64str.encode('utf8'))
     data = np.fromstring(data, np.uint8)
     data = cv2.imdecode(data, cv2.IMREAD_COLOR)
+    if data is None:
+        buf = BytesIO()
+        image_decode = base64.b64decode(b64str.encode('utf8'))
+        image = BytesIO(image_decode)
+        im = Image.open(image)
+        rgb = im.convert('RGB')
+        rgb.save(buf, 'jpeg')
+        buf.seek(0)
+        image_bytes = buf.read()
+        data_base64 = str(base64.b64encode(image_bytes), encoding="utf-8")
+        image_decode = base64.b64decode(data_base64)
+        img_array = np.frombuffer(image_decode, np.uint8)
+        data = cv2.imdecode(img_array, cv2.IMREAD_COLOR)
     return data
 
 
@@ -49,6 +63,7 @@ def base64_to_cv2(b64str):
     author_email="paddle-dev@baidu.com",
     type="cv/text_recognition")
 class ChPPOCRv3Det:
+
     def __init__(self, enable_mkldnn=False):
         """
         initialize with the necessary elements

modules/image/text_recognition/ch_pp-ocrv3_det/test.py

@@ -4,13 +4,14 @@ import unittest
 
 import cv2
 import requests
-import paddlehub as hub
 
+import paddlehub as hub
 
 os.environ['CUDA_VISIBLE_DEVICES'] = '0'
 
 
 class TestHubModule(unittest.TestCase):
+
     @classmethod
     def setUpClass(cls) -> None:
         img_url = 'https://unsplash.com/photos/KTzZVDjUsXw/download?ixid=MnwxMjA3fDB8MXxzZWFyY2h8MzM3fHx0ZXh0fGVufDB8fHx8MTY2MzUxMTExMQ&force=true&w=640'
@@ -34,8 +35,9 @@ class TestHubModule(unittest.TestCase):
             use_gpu=False,
             visualization=False,
         )
-        self.assertEqual(results[0]['data'], [[[261, 202], [376, 202], [376, 239], [
-                         261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
+        self.assertEqual(
+            results[0]['data'],
+            [[[261, 202], [376, 202], [376, 239], [261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
 
     def test_detect_text2(self):
         results = self.module.detect_text(
@@ -43,8 +45,9 @@ class TestHubModule(unittest.TestCase):
             use_gpu=False,
             visualization=False,
         )
-        self.assertEqual(results[0]['data'], [[[261, 202], [376, 202], [376, 239], [
-                         261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
+        self.assertEqual(
+            results[0]['data'],
+            [[[261, 202], [376, 202], [376, 239], [261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
 
     def test_detect_text3(self):
         results = self.module.detect_text(
@@ -52,8 +55,9 @@ class TestHubModule(unittest.TestCase):
             use_gpu=True,
             visualization=False,
         )
-        self.assertEqual(results[0]['data'], [[[261, 202], [376, 202], [376, 239], [
-                         261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
+        self.assertEqual(
+            results[0]['data'],
+            [[[261, 202], [376, 202], [376, 239], [261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
 
     def test_detect_text4(self):
         results = self.module.detect_text(
@@ -61,22 +65,15 @@ class TestHubModule(unittest.TestCase):
             use_gpu=False,
             visualization=True,
         )
-        self.assertEqual(results[0]['data'], [[[261, 202], [376, 202], [376, 239], [
-                         261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
+        self.assertEqual(
+            results[0]['data'],
+            [[[261, 202], [376, 202], [376, 239], [261, 239]], [[283, 162], [352, 162], [352, 202], [283, 202]]])
 
     def test_detect_text5(self):
-        self.assertRaises(
-            AttributeError,
-            self.module.detect_text,
-            images=['tests/test.jpg']
-        )
+        self.assertRaises(AttributeError, self.module.detect_text, images=['tests/test.jpg'])
 
     def test_detect_text6(self):
-        self.assertRaises(
-            AssertionError,
-            self.module.detect_text,
-            paths=['no.jpg']
-        )
+        self.assertRaises(AssertionError, self.module.detect_text, paths=['no.jpg'])
 
     def test_save_inference_model(self):
         self.module.save_inference_model('./inference/model')
@@ -87,4 +84,3 @@ class TestHubModule(unittest.TestCase):
 
 if __name__ == "__main__":
     unittest.main()
-