core: helpers for automatic dataframes from sequences of NamedTuple/dataclass

also use in my.rescuetime

misc/rescuetime_cleanup.py

@@ -0,0 +1,36 @@
+# M-x run-python (raise window so it doesn't hide)
+# ?? python-shell-send-defun
+# C-c C-r python-shell-send-region
+# shit, it isn't autoscrolling??
+#    maybe add hook
+#    (setq comint-move-point-for-output t) ;; https://github.com/jorgenschaefer/elpy/issues/1641#issuecomment-528355368
+#
+from importlib import reload
+import sys
+
+# todo function to reload hpi?
+todel = [m for m in sys.modules if m.startswith('my.')]
+# for m in todel: del sys.modules[m]
+
+import my
+import my.rescuetime as M
+
+from itertools import islice, groupby
+from more_itertools import ilen, bucket
+
+print(M.dataframe())
+
+e = M.entries()
+e = list(islice(e, 0, 10))
+
+
+key = lambda x: 'ERROR' if isinstance(x, Exception) else x.activity
+
+# TODO move to errors module? how to preserve type signature?
+# b = bucket(e, key=key)
+# for k in b:
+#     g = b[k] # meh? should maybe sort
+#     print(k, ilen(g))
+
+from collections import Counter
+print(Counter(key(x) for x in e))