1 files changed, 39 insertions, 0 deletions
diff --git a/inversion/params_opt.py b/inversion/params_opt.py
new file mode 100644
index 0000000..7333cb9
--- /dev/null
+++ b/inversion/params_opt.py
@@ -0,0 +1,39 @@
+# ------------------------------------------------------------------------------
+# Util class for hyperparams.
+# ------------------------------------------------------------------------------
+
+import json
+
+class Params():
+  """Class that loads hyperparameters from a json file."""
+
+  def __init__(self, json_path):
+    self.update(json_path)
+
+  def __setitem__(self, key, item):
+    self.__dict__[key] = item
+
+  def __getitem__(self, key):
+    return self.__dict__[key]
+
+  def __repr__(self):
+    return repr(self.__dict__)
+
+  def __len__(self):
+    return len(self.__dict__)
+
+  def __delitem__(self, key):
+    del self.__dict__[key]
+
+  def save(self, json_path):
+    """Saves parameters to json file."""
+    with open(json_path, 'w') as f:
+      json.dump(self.__dict__, f, indent=4)
+
+  def update(self, *args, **kwargs):
+    return self.__dict__.update(*args, **kwargs)
+
+  # @property
+  # def dict(self):
+  #   """Gives dict-like access to Params instance."""
+  #   return self.__dict__