refactor: refactor paddle inference code (#622)

* refactor: refactor paddle inference code

* fix(paddle): correct typo and improve device env setup

Author: SWHL

python/rapidocr/config.yaml

@@ -59,6 +59,13 @@ EngineConfig:
         use_npu: false
         npu_ep_cfg:
             device_id: 0
+            envs:
+                FLAGS_npu_jit_compile: 0
+                FLAGS_use_stride_kernel: 0
+                FLAGS_allocator_strategy: "auto_growth"
+                CUSTOM_DEVICE_BLACK_LIST: "pad3d,pad3d_grad,set_value,set_value_with_tensor"
+                FLAGS_npu_scale_aclnn: "True"
+                FLAGS_npu_split_aclnn: "True"
 
         use_cuda: false
         cuda_ep_cfg:

python/rapidocr/inference_engine/paddle.py

@@ -0,0 +1,4 @@
+# -*- encoding: utf-8 -*-
+# @Author: SWHL
+# @Contact: liekkaskono@163.com
+from .main import PaddleInferError, PaddleInferSession