support build cpu/gpu package (#75)

* support build cpu/gpu package

* remove useless modification

fastdeploy/c_lib_wrap.py.in

@@ -0,0 +1,59 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from __future__ import absolute_import
+import logging
+import os
+import sys
+
+def add_dll_search_dir(dir_path):
+    os.environ["path"] = dir_path + ";" + os.environ["path"]
+    sys.path.insert(0, dir_path)
+    if sys.version_info[:2] >= (3, 8):
+        os.add_dll_directory(dir_path)
+
+
+if os.name == "nt":
+    current_path = os.path.abspath(__file__)
+    dirname = os.path.dirname(current_path)
+    third_libs_dir = os.path.join(dirname, "libs")
+    add_dll_search_dir(third_libs_dir)
+    for root, dirs, filenames in os.walk(third_libs_dir):
+        for d in dirs:
+            if d == "lib" or d == "bin":
+                add_dll_search_dir(os.path.join(dirname, root, d))
+
+from .@PY_LIBRARY_NAME@ import *
+
+def TensorInfoStr(tensor_info):
+    message = "TensorInfo(name : '{}', dtype : '{}', shape : '{}')".format(
+        tensor_info.name, tensor_info.dtype, tensor_info.shape)
+    return message
+
+
+def RuntimeOptionStr(runtime_option):
+    attrs = dir(runtime_option)
+    message = "RuntimeOption(\n"
+    for attr in attrs:
+        if attr.startswith("__"):
+            continue
+        if hasattr(getattr(runtime_option, attr), "__call__"):
+            continue
+        message += "  {} : {}\t\n".format(attr, getattr(runtime_option, attr))
+    message.strip("\n")
+    message += ")"
+    return message
+
+
+TensorInfo.__repr__ = TensorInfoStr
+RuntimeOption.__repr__ = RuntimeOptionStr