Add two helpers for weekly review

README.md

@@ -29,6 +29,10 @@ battery
 ---
 Displays the current battery percentage as a short string for displays
 
+budget_summary
+---
+Helper for za3k only. Summarizes budget categories typed in from my logbook
+
 changed-files
 ---
 In Arch Linux, lists the config files which have been altered from the default.
@@ -316,6 +320,14 @@ setop
 ---
 Command-line program for performing basic set operations on lines in files. `comm` can be used for some of this on sorted files but it's a little stronger.
 
+sleep_summary
+---
+Gives a summary of average and standard deviation of sleep times.
+
+Example:
+
+    sleep_summary 8h40m 5h20m 7h
+
 static-ip
 ---
 Set up a static ip on linux

budget_summary.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+import datetime
+import re
+
+current_date=str(datetime.date.today())
+with open("blog2.za3k.com/_posts/{}-weekly-review.md".format(current_date), "r") as f:
+    lines = list(line for line in f)
+
+budget_start = re.compile("^\\| Date")
+budget_end = re.compile("^$")
+start_line, end_line = None, None
+for i, line in enumerate(lines):
+    if start_line is None and budget_start.match(line):
+        start_line = i
+    if end_line is None and start_line is not None and budget_end.match(line):
+        end_line = i
+budget = lines[start_line:end_line]
+lines = []
+for line in budget[2:]:
+    date, place, amount, category, thing = [x.strip() for x in line.split("|")[1:]]
+    lines.append((float(amount), category))
+print("{: <12} {}".format("Total:", sum(amount for (amount, category) in lines)))
+print("{: <12} {}".format("Total (no rent):", sum(amount for (amount, category) in lines if category != "Rent")))
+categories = sorted(set(category for (amount, category) in lines))
+print()
+for category in categories:
+    print("{: <12} {}".format(category+":", sum(amount for (amount, c) in lines if category == c)))

sleep_summary

@@ -0,0 +1,37 @@
+#!/bin/python3
+import sys, statistics, math, re
+
+def usage():
+    print("Usage: sleep_summary DAY...")
+    print("DAY format should be one of:")
+    print("  8h")
+    print("  8.5h")
+    print("  8h30m")
+
+if len(sys.argv)<=1:
+    usage()
+    exit(0)
+
+times_m = []
+for arg in sys.argv[1:]:
+    m1 = re.fullmatch('(\d+(?:\.\d+)?)h', arg) # hour or fractional hour
+    m2 = re.fullmatch('(\d\d?)h(\d\d?)m', arg) # hours and minutes
+    if m1:
+        hours = float(m1.group(1))
+        times_m.append(hours*60)
+    elif m2:
+        hours, minutes = int(m2.group(1)), int(m2.group(2))
+        times_m.append(hours*60+minutes)
+    else:
+        print("Unexpected argument format: {}".format(arg))
+        print()
+        usage()
+        exit(1)
+avg_m = statistics.mean(times_m)
+stddev_m = math.sqrt(statistics.variance(times_m))
+avg_h, stddev_h = avg_m/60, stddev_m/60
+
+print("{} days".format(len(times_m)))
+print("Mean {}m, stddev {}m".format(round(avg_m,0), round(stddev_m, 0)))
+print("Mean {}h, stddev {}h".format(round(avg_h,1), round(stddev_h, 1)))
+print("Mean {}h{}m, stddev {}h".format(int(avg_m//60), round(avg_m%60), round(stddev_h, 1)))