check requirements

x2paddle/convert.py

@@ -52,6 +52,19 @@ def arg_parser():
 
 
 def tf2paddle(model_path, save_dir):
+    # check tensorflow installation and version
+    try:
+        import tensorflow as tf
+        version = tf.__version__
+        if version >= '2.0.0' or version < '1.0.0':
+            print(
+                "1.0.0<=tensorflow<2.0.0 is required, and v1.14.0 is recommended"
+            )
+            return
+    except:
+        print("Tensorflow not installed, use \"pip install tensorflow\"")
+        return
+
     from x2paddle.decoder.tf_decoder import TFDecoder
     from x2paddle.op_mapper.tf_op_mapper import TFOpMapper
 
@@ -75,6 +88,16 @@ def main():
     parser = arg_parser()
     args = parser.parse_args()
 
+    try:
+        import paddle.fluid as fluid
+        import paddle
+        v0, v1, v2 = paddle.__version__.split('.')
+        if int(v0) != 1 or int(v1) < 5:
+            print("paddlepaddle>=1.5.0 is required")
+            return
+    except:
+        print("paddlepaddle not installed, use \"pip install paddlepaddle\"")
+
     assert args.framework is not None, "--from is not defined(tensorflow/caffe)"
     assert args.save_dir is not None, "--save_dir is not defined"