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path: root/layouts/community/ergodox/algernon/tools/log-to-heatmap.py
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#! /usr/bin/env python3
import json
import os
import sys
import re
import argparse
import time

from math import floor
from os.path import dirname
from subprocess import Popen, PIPE, STDOUT
from blessings import Terminal

class Heatmap(object):
    coords = [
        [
            # Row 0
            [ 4,  0], [ 4,  2], [ 2,  0], [ 1,  0], [ 2,  2], [ 3,  0], [ 3,  2],
            [ 3,  4], [ 3,  6], [ 2,  4], [ 1,  2], [ 2,  6], [ 4,  4], [ 4,  6],
        ],
        [
            # Row 1
            [ 8,  0], [ 8,  2], [ 6,  0], [ 5,  0], [ 6,  2], [ 7,  0], [ 7,  2],
            [ 7,  4], [ 7,  6], [ 6,  4], [ 5,  2], [ 6,  6], [ 8,  4], [ 8,  6],
        ],
        [
            # Row 2
            [12,  0], [12,  2], [10,  0], [ 9,  0], [10,  2], [11, 0], [     ],
            [      ], [11,  2], [10,  4], [ 9,  2], [10,  6], [12, 4], [12, 6],
        ],
        [
            # Row 3
            [17,  0], [17,  2], [15,  0], [14,  0], [15,  2], [16,  0], [13,  0],
            [13,  2], [16,  2], [15,  4], [14,  2], [15,  6], [17,  4], [17,  6],
        ],
        [
            # Row 4
            [20,  0], [20,  2], [19,  0], [18,  0], [19,  2], [], [], [], [],
            [19,  4], [18,  2], [19,  6], [20,  4], [20,  6], [], [], [], []
        ],
        [
            # Row 5
            [     ], [23,  0], [22,  2], [22,  0], [22,  4], [21,  0], [21,  2],
            [24, 0], [24,  2], [25,  0], [25,  4], [25,  2], [26,  0], [      ],
        ],
    ]

    def set_attr_at(self, block, n, attr, fn, val):
        blk = self.heatmap[block][n]
        if attr in blk:
            blk[attr] = fn(blk[attr], val)
        else:
            blk[attr] = fn(None, val)

    def coord(self, col, row):
        return self.coords[row][col]

    @staticmethod
    def set_attr(orig, new):
        return new

    def set_bg(self, coords, color):
        (block, n) = coords
        self.set_attr_at(block, n, "c", self.set_attr, color)
        #self.set_attr_at(block, n, "g", self.set_attr, False)

    def set_tap_info(self, coords, count, cap):
        (block, n) = coords
        def _set_tap_info(o, _count, _cap):
            ns = 4 - o.count ("\n")
            return o + "\n" * ns + "%.02f%%" % (float(_count) / float(_cap) * 100)

        if not cap:
            cap = 1
        self.heatmap[block][n + 1] = _set_tap_info (self.heatmap[block][n + 1], count, cap)

    @staticmethod
    def heatmap_color (v):
        colors = [ [0.3, 0.3, 1], [0.3, 1, 0.3], [1, 1, 0.3], [1, 0.3, 0.3]]
        fb = 0
        if v <= 0:
            idx1, idx2 = 0, 0
        elif v >= 1:
            idx1, idx2 = len(colors) - 1, len(colors) - 1
        else:
            val = v * (len(colors) - 1)
            idx1 = int(floor(val))
            idx2 = idx1 + 1
            fb = val - float(idx1)

        r = (colors[idx2][0] - colors[idx1][0]) * fb + colors[idx1][0]
        g = (colors[idx2][1] - colors[idx1][1]) * fb + colors[idx1][1]
        b = (colors[idx2][2] - colors[idx1][2]) * fb + colors[idx1][2]

        r, g, b = [x * 255 for x in (r, g, b)]
        return "#%02x%02x%02x" % (int(r), int(g), int(b))

    def __init__(self, layout):
        self.log = {}
        self.total = 0
        self.max_cnt = 0
        self.layout = layout

    def update_log(self, coords):
        (c, r) = coords
        if not (c, r) in self.log:
            self.log[(c, r)] = 0
        self.log[(c, r)] = self.log[(c, r)] + 1
        self.total = self.total + 1
        if self.max_cnt < self.log[(c, r)]:
            self.max_cnt = self.log[(c, r)]

    def get_heatmap(self):
        with open("%s/heatmap-layout.%s.json" % (dirname(sys.argv[0]), self.layout), "r") as f:
            self.heatmap = json.load (f)

        ## Reset colors
        for row in self.coords:
            for coord in row:
                if coord != []:
                    self.set_bg (coord, "#d9dae0")

        for (c, r) in self.log:
            coords = self.coord(c, r)
            b, n = coords
            cap = self.max_cnt
            if cap == 0:
                cap = 1
            v = float(self.log[(c, r)]) / cap
            self.set_bg (coords, self.heatmap_color (v))
            self.set_tap_info (coords, self.log[(c, r)], self.total)
        return self.heatmap

    def get_stats(self):
        usage = [
            # left hand
            [0, 0, 0, 0, 0],
            # right hand
            [0, 0, 0, 0, 0]
        ]
        finger_map = [0, 0, 1, 2, 3, 3, 3, 1, 1, 1, 2, 3, 4, 4]
        for (c, r) in self.log:
            if r == 5: # thumb cluster
                if c <= 6: # left side
                    usage[0][4] = usage[0][4] + self.log[(c, r)]
                else:
                    usage[1][0] = usage[1][0] + self.log[(c, r)]
            elif r == 4 and (c == 4 or c == 9): # bottom row thumb keys
                if c <= 6: # left side
                    usage[0][4] = usage[0][4] + self.log[(c, r)]
                else:
                    usage[1][0] = usage[1][0] + self.log[(c, r)]
            else:
                fc = c
                hand = 0
                if fc >= 7:
                    hand = 1
                fm = finger_map[fc]
                usage[hand][fm] = usage[hand][fm] + self.log[(c, r)]
        hand_usage = [0, 0]
        for f in usage[0]:
            hand_usage[0] = hand_usage[0] + f
        for f in usage[1]:
            hand_usage[1] = hand_usage[1] + f

        total = self.total
        if total == 0:
            total = 1
        stats = {
            "total-keys": total,
            "hands": {
                "left": {
                    "usage": round(float(hand_usage[0]) / total * 100, 2),
                    "fingers": {
                        "pinky": 0,
                        "ring": 0,
                        "middle": 0,
                        "index": 0,
                        "thumb": 0,
                    }
                },
                "right": {
                    "usage": round(float(hand_usage[1]) / total * 100, 2),
                    "fingers": {
                        "thumb": 0,
                        "index": 0,
                        "middle": 0,
                        "ring": 0,
                        "pinky": 0,
                    }
                },
            }
        }

        hmap = ['left', 'right']
        fmap = ['pinky', 'ring', 'middle', 'index', 'thumb',
                'thumb', 'index', 'middle', 'ring', 'pinky']
        for hand_idx in range(len(usage)):
            hand = usage[hand_idx]
            for finger_idx in range(len(hand)):
                stats['hands'][hmap[hand_idx]]['fingers'][fmap[finger_idx + hand_idx * 5]] = round(float(hand[finger_idx]) / total * 100, 2)
        return stats

def dump_all(out_dir, heatmaps):
    stats = {}
    t = Terminal()
    t.clear()
    sys.stdout.write("\x1b[2J\x1b[H")

    print ('{t.underline}{outdir}{t.normal}\n'.format(t=t, outdir=out_dir))

    keys = list(heatmaps.keys())
    keys.sort()

    for layer in keys:
        if len(heatmaps[layer].log) == 0:
            continue

        with open ("%s/%s.json" % (out_dir, layer), "w") as f:
            json.dump(heatmaps[layer].get_heatmap(), f)
        stats[layer] = heatmaps[layer].get_stats()

        left = stats[layer]['hands']['left']
        right = stats[layer]['hands']['right']

        print ('{t.bold}{layer}{t.normal} ({total:,} taps):'.format(t=t, layer=layer,
                                                                    total=int(stats[layer]['total-keys'] / 2)))
        print (('{t.underline}        | ' + \
                'left ({l[usage]:6.2f}%)  | ' + \
                'right ({r[usage]:6.2f}%) |{t.normal}').format(t=t, l=left, r=right))
        print ((' {t.bright_magenta}pinky{t.white}  |     {left[pinky]:6.2f}%     |     {right[pinky]:6.2f}%     |\n' + \
                ' {t.bright_cyan}ring{t.white}   |     {left[ring]:6.2f}%     |     {right[ring]:6.2f}%     |\n' + \
                ' {t.bright_blue}middle{t.white} |     {left[middle]:6.2f}%     |     {right[middle]:6.2f}%     |\n' + \
                ' {t.bright_green}index{t.white}  |     {left[index]:6.2f}%     |     {right[index]:6.2f}%     |\n' + \
                ' {t.bright_red}thumb{t.white}  |     {left[thumb]:6.2f}%     |     {right[thumb]:6.2f}%     |\n' + \
                '').format(left=left['fingers'], right=right['fingers'], t=t))

def process_line(line, heatmaps, opts, stamped_log = None):
    m = re.search ('KL: col=(\d+), row=(\d+), pressed=(\d+), layer=(.*)', line)
    if not m:
        return False
    if stamped_log is not None:
        if line.startswith("KL:"):
            print ("%10.10f %s" % (time.time(), line),
                   file = stamped_log, end = '')
        else:
            print (line,
                   file = stamped_log, end = '')
        stamped_log.flush()

    (c, r, l) = (int(m.group (2)), int(m.group (1)), m.group (4))
    if (c, r) not in opts.allowed_keys:
        return False

    heatmaps[l].update_log ((c, r))

    return True

def setup_allowed_keys(opts):
    if len(opts.only_key):
        incmap={}
        for v in opts.only_key:
            m = re.search ('(\d+),(\d+)', v)
            if not m:
                continue
            (c, r) = (int(m.group(1)), int(m.group(2)))
            incmap[(c, r)] = True
    else:
        incmap={}
        for r in range(0, 6):
            for c in range(0, 14):
                incmap[(c, r)] = True

        for v in opts.ignore_key:
            m = re.search ('(\d+),(\d+)', v)
            if not m:
                continue
            (c, r) = (int(m.group(1)), int(m.group(2)))
            del(incmap[(c, r)])

    return incmap

def main(opts):
    heatmaps = {"Dvorak": Heatmap("Dvorak"),
                "ADORE": Heatmap("ADORE")
    }
    cnt = 0
    out_dir = opts.outdir

    if not os.path.exists(out_dir):
        os.makedirs(out_dir)

    opts.allowed_keys = setup_allowed_keys(opts)

    if not opts.one_shot:

        try:
            with open("%s/stamped-log" % out_dir, "r") as f:
                while True:
                    line = f.readline()
                    if not line:
                        break
                    if not process_line(line, heatmaps, opts):
                        continue
        except:
            pass

        stamped_log = open ("%s/stamped-log" % (out_dir), "a+")
    else:
        stamped_log = None

    while True:
        line = sys.stdin.readline()
        if not line:
            break
        if not process_line(line, heatmaps, opts, stamped_log):
            continue

        cnt = cnt + 1

        if opts.dump_interval != -1 and cnt >= opts.dump_interval and not opts.one_shot:
            cnt = 0
            dump_all(out_dir, heatmaps)

    dump_all (out_dir, heatmaps)

if __name__ == "__main__":
    parser = argparse.ArgumentParser (description = "keylog to heatmap processor")
    parser.add_argument ('outdir', action = 'store',
                         help = 'Output directory')
    parser.add_argument ('--dump-interval', dest = 'dump_interval', action = 'store', type = int,
                         default = 100, help = 'Dump stats and heatmap at every Nth event, -1 for dumping at EOF only')
    parser.add_argument ('--ignore-key', dest = 'ignore_key', action = 'append', type = str,
                         default = [], help = 'Ignore the key at position (x, y)')
    parser.add_argument ('--only-key', dest = 'only_key', action = 'append', type = str,
                         default = [], help = 'Only include key at position (x, y)')
    parser.add_argument ('--one-shot', dest = 'one_shot', action = 'store_true',
                         help = 'Do not load previous data, and do not update it, either.')
    args = parser.parse_args()
    if len(args.ignore_key) and len(args.only_key):
        print ("--ignore-key and --only-key are mutually exclusive, please only use one of them!",
               file = sys.stderr)
        sys.exit(1)
    main(args)