前端自定义tolerance

hb_server/apps/hrm/serializers.py

@@ -23,9 +23,11 @@ class FaceLoginSerializer(serializers.Serializer):
 
 class FaceLoginPathSerializer(serializers.Serializer):
     path = serializers.CharField()
+    tolerance = serializers.FloatField(required=False, default=0.45)
 
 class FaceClockCreateSerializer(serializers.Serializer):
     base64 = serializers.CharField()
+    tolerance = serializers.FloatField(required=False, default=0.45)
 
 class ClockRecordListSerializer(serializers.ModelSerializer):
     create_by_ = UserSimpleSerializer(source='create_by', read_only=True)

hb_server/apps/hrm/services.py

@@ -10,7 +10,7 @@ from django.core.cache import cache
 class HRMService:
 
     @classmethod
-    def face_compare_from_path(cls, path):
+    def face_compare_from_path(cls, path, tolerance=0.45):
         filepath = settings.BASE_DIR +path
         try:
             unknown_picture = face_recognition.load_image_file(filepath)
@@ -27,16 +27,23 @@ class HRMService:
             face_datas = cache.get('face_datas')
         face_users = cache.get('face_users')
         results = face_recognition.compare_faces(face_datas, 
-        unknown_face_encoding, tolerance=0.46)
+        unknown_face_encoding, tolerance=tolerance)
-        for index, value in enumerate(results):
+        user_index = cls.get_user_index(results)
-            if value:
+        user_index_len = len(user_index)
-                # 识别成功
+        if user_index_len == 1:
-                user = User.objects.get(id=face_users[index])
+            user = User.objects.get(id=face_users[user_index[0]])
-                return user, ''   
+            return user, ''
-        return None, '人脸未匹配,请调整位置'
+        elif user_index_len == 0:
+            return None, '人脸未匹配,请调整位置'
+        else:
+            user_ids = []
+            for i in user_index:
+                user_ids.append(face_users[i])
+            user_name_str = ','.join(list(User.objects.filter(id__in=user_ids).values_list('name', flat=True)))
+            return None, '匹配多张人脸:' + user_name_str
 
     @classmethod
-    def face_compare_from_base64(cls, base64_data):
+    def face_compare_from_base64(cls, base64_data, tolerance=0.45):
         filename = str(uuid.uuid4())
         filepath = settings.BASE_DIR +'/temp/' + filename +'.png'
         with open(filepath, 'wb') as f:
@@ -56,12 +63,7 @@ class HRMService:
             face_datas = cache.get('face_datas')
         face_users = cache.get('face_users')
         results = face_recognition.compare_faces(face_datas, 
-        unknown_face_encoding, tolerance=0.46)
+        unknown_face_encoding, tolerance=tolerance)
-        for index, value in enumerate(results):
-            if value:
-                # 识别成功
-                user = User.objects.get(id=face_users[index])
-                return user, ''
         user_index = cls.get_user_index(results)
         user_index_len = len(user_index)
         if user_index_len == 1:

hb_server/apps/hrm/views.py

@@ -159,7 +159,7 @@ class FaceLogin(CreateAPIView):
         """
         人脸识别登录
         """
-        base64_data = base64.urlsafe_b64decode(tran64(request.data.get('base64').replace(' ', '+')))
+        base64_data = base64.urlsafe_b64decode(tran64(request.data.get('base64').replace(' ', '+')), request.data.get('tolerance', 0.45))
         user, msg = HRMService.face_compare_from_base64(base64_data)
         if user:
             refresh = RefreshToken.for_user(user)
@@ -198,7 +198,7 @@ class FacePathLogin(CreateAPIView):
         """
         人脸识别登录-文件地址
         """
-        user, msg = HRMService.face_compare_from_path(request.data.get('path'))
+        user, msg = HRMService.face_compare_from_path(request.data.get('path'), request.data.get('tolerance', 0.45))
         if user:
             refresh = RefreshToken.for_user(user)
             # 可设为在岗