ref(seqstat): rewrite from go to python

This is a simple script, there's no benefit in having this in go. Having
it Python makes it easier to extend with panda or other libraries in the
future if I need more statistics too.

1 files changed, 26 insertions, 0 deletions

diff --git a/tools/seqstat/seqstat.py b/tools/seqstat/seqstat.py
new file mode 100755
index 0000000..8450ec8
--- /dev/null
+++ b/tools/seqstat/seqstat.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+import argparse
+
+ticks = ["▁", "▂", "▃", "▄", "▅", "▆", "▇", "█"]
+
+parser = argparse.ArgumentParser()
+parser.add_argument(
+    "numbers", metavar="N", type=float, nargs="+", help="a number for the accumulator"
+)
+args = parser.parse_args()
+
+
+def histogram(sequence):
+    min_val = min(sequence)
+    max_val = max(sequence)
+
+    scale = (int(max_val - min_val) << 8) / (len(ticks) - 1)
+    if scale < 1:
+        scale = 1
+
+    return [ticks[int((int(i - min_val) << 8) / scale)] for i in sequence]
+
+
+h = histogram(args.numbers)
+print("".join(h))