ophirfrish commented on a change in pull request #9074:
URL: https://github.com/apache/tvm/pull/9074#discussion_r724307264
##########
File path: python/tvm/driver/tvmc/frontends.py
##########
@@ -88,10 +88,76 @@ def import_keras():
from tensorflow import keras
return tf, keras
+ except ImportError:
+ err = (
+ "Error: Tensorflow is required and was not found.\n"
+ 'Please install it using "pip install tensorflow".'
+ )
+ raise TVMCException(str(err))
finally:
sys.stderr = stderr
+def import_onnx():
+ """Lazy import function for onnx"""
+ try:
+ # pylint: disable=C0415
+ import onnx as _onnx
+ except ImportError:
+ err = (
+ "Error: ONNX is required and was not found.\n"
+ 'Please install it using "pip install onnx".'
+ )
+ raise TVMCException(str(err))
+
+ return _onnx
+
+
+def import_tensorflow():
+ """Lazy import function for tensorflow"""
+ try:
+ # pylint: disable=C0415
+ import tensorflow as tf
+ except ImportError:
+ err = (
+ "Error: Tensorflow is required and was not found.\n"
+ 'Please install it using "pip install tensorflow".'
+ )
+ raise TVMCException(str(err))
+
+ return tf
+
+
+def import_torch():
+ """Lazy import function for torch"""
+ try:
+ # pylint: disable=C0415
+ import torch as tc
+ except ImportError:
+ err = (
+ "Error: Torch is required and was not found.\n"
+ 'Please install it using "pip install torch".'
+ )
+ raise TVMCException(str(err))
+
+ return tc
+
+
+def import_tflite():
+ """Lazy import function for tflite.Model"""
+ try:
+ # pylint: disable=C0415
+ import tflite.Model as model
+ except ImportError:
+ err = (
+ "Error: tflite is required and was not found.\n"
+ 'Please install it using "pip install tflite".'
+ )
+ raise TVMCException(str(err))
Review comment:
Done
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