add other devices in ppocr

paddleocr.py

@@ -63,7 +63,7 @@ def _import_file(module_name, file_path, make_importable=False):
     is_link,
     confirm_model_dir_url,
 )
-from tools.infer.utility import draw_ocr, str2bool, check_gpu
+from tools.infer.utility import draw_ocr, str2bool, check_gpu, check_xpu, check_npu, check_mlu
 from ppstructure.utility import init_args, draw_structure_result
 from ppstructure.predict_system import StructureSystem, save_structure_res, to_excel
 
@@ -619,6 +619,9 @@ def __init__(self, **kwargs):
             SUPPORT_OCR_MODEL_VERSION, params.ocr_version
         )
         params.use_gpu = check_gpu(params.use_gpu)
+        params.use_xpu = check_xpu(params.use_xpu)
+        params.use_npu = check_npu(params.use_npu)
+        params.use_mlu = check_mlu(params.use_mlu)
 
         if not params.show_log:
             logger.setLevel(logging.INFO)

tools/infer/utility.py

@@ -805,6 +805,26 @@ def check_gpu(use_gpu):
         use_gpu = False
     return use_gpu
 
+def check_xpu(use_xpu):
+    if use_xpu and (
+        not paddle.is_compiled_with_xpu() or paddle.device.get_device() == "cpu"
+    ):
+        use_xpu = False
+    return use_xpu
+
+def check_npu(use_npu):
+    if use_npu and (
+        not paddle.is_compiled_with_custom_device("npu") or paddle.device.get_device() == "cpu"
+    ):
+        use_npu = False
+    return use_npu
+
+def check_mlu(use_mlu):
+    if use_mlu and (
+        not paddle.is_compiled_with_custom_device("mlu") or paddle.device.get_device() == "cpu"
+    ):
+        use_mlu = False
+    return use_mlu
 
 if __name__ == "__main__":
     pass