Report most used Blender commands for the session and sort them by use count

most_used_commands.py

import bpy
import re
from collections import defaultdict

print("---------------- RERUN ----------------")
reports = [bpy.data.texts.remove(t, do_unlink=True) 
           for t in bpy.data.texts
           if t.name.startswith("Recent Reports")]

bpy.ops.ui.reports_to_textblock()
op_re = re.compile('\.[a-zA-Z_]+\(')
count = 0
commands = defaultdict(int)
for line in bpy.data.texts["Recent Reports"].lines:
    count += 1
    if line.body.startswith("Operator:"):
        t = op_re.search(line.body)
        if t:
            op_name = t.group(0)[1:-1]
            commands[op_name] += 1
            
print("total lines:", count)
print("---")
for k, v in sorted(commands.items(), key=lambda x: -x[1]):
    print(v, k)