1 files changed, 23 insertions, 0 deletions
diff --git a/metchart/misc.py b/metchart/misc.py
new file mode 100644
index 0000000..6594d0f
--- /dev/null
+++ b/metchart/misc.py
@@ -0,0 +1,23 @@
+import os
+import numpy as np
+import datetime
+
+def np_time_convert(dt64, func=datetime.datetime.utcfromtimestamp):
+    unix_epoch = np.datetime64(0, 's')
+    one_second = np.timedelta64(1, 's')
+    seconds_since_epoch = (dt64 - unix_epoch) / one_second
+
+    return func(seconds_since_epoch)
+
+def np_time_convert_offset(init, step):
+    return np_time_convert(init) + np_time_convert(step, func=lambda x: datetime.timedelta(seconds=x))
+
+def np_time_list_convert_offset(init, steps):
+    return list(map(lambda x: np_time_convert_offset(init, x), steps))
+
+def create_output_dir(path, clear=False):
+    if not os.path.exists(path):
+        os.makedirs(path)
+    elif clear:
+        raise Exception('clear not implemented')
+