silent TF1.x warnings

tensorpack/libinfo.py

@@ -65,6 +65,20 @@ else:
     except Exception:
         pass
 
+    # silence the massive deprecation warnings in TF 1.13+
+    if (int(_version[0]), int(_version[1])) >= (1, 13):
+        try:
+            from tensorflow.python.util.deprecation import silence
+        except Exception:
+            pass
+        else:
+            silence().__enter__()
+        try:
+            from tensorflow.python.util import deprecation_wrapper
+            deprecation_wrapper._PER_MODULE_WARNING_LIMIT = 0
+        except Exception:
+            pass
+
     # Monkey-patch tf.test.is_gpu_available to avoid side effects:
     # https://github.com/tensorflow/tensorflow/issues/26460
     try: