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# Copyright (c) 2019 lulua contributors
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import sys, argparse, json, unicodedata, pickle, logging, math
from operator import itemgetter
from bokeh.plotting import figure
from bokeh.models import ColumnDataSource, LinearAxis, Range1d
from bokeh.embed import json_item
from .layout import *
from .keyboard import defaultKeyboards
from .util import limit, displayText
from .writer import Writer
from .carpalx import Carpalx, models
def letterfreq (args):
""" Map key combinations to their text, bin it and plot sorted distribution """
# show unicode class "letters other" only
whitelistCategory = {'Lo'}
stats = pickle.load (sys.stdin.buffer)
# XXX: add layout to stats?
keyboard = defaultKeyboards['ibmpc105']
layout = defaultLayouts[args.layout].specialize (keyboard)
# letter-based binning, in case multiple buttons are mapped to the same
# letter.
binned = defaultdict (int)
for k, v in stats['simple'].combinations.items ():
# assuming multiple characters have the same category
text = layout.getText (k)
category = unicodedata.category (text[0])
if category in whitelistCategory:
binned[text] += v
combinationTotal = sum (binned.values ())
logging.info (f'total binned combinations {combinationTotal}')
xdata = []
xlabel = []
ydata = []
ydataAbs = []
ydataCumAbs = []
ydataCumRel = []
cumSum = combinationTotal
for i, (k, v) in enumerate (sorted (binned.items (), key=itemgetter (1))):
xdata.append (i)
xlabel.append (k)
ydata.append (v/combinationTotal)
ydataAbs.append (v)
# cumulative
ydataCumAbs.append (cumSum)
ydataCumRel.append (cumSum/combinationTotal)
cumSum -= v
source = ColumnDataSource(data=dict(x=xdata, letters=xlabel, rel=ydata, abs=ydataAbs, cum=ydataCumAbs, cumRel=ydataCumRel))
p = figure(
plot_width=1000,
plot_height=500,
x_range=xlabel,
y_range=(0, 1),
sizing_mode='scale_both',
tooltips=[('frequency', '@rel'), ('cumulative', '@cumRel'), ('count', '@abs')],
)
p.line ('letters', 'cumRel', source=source, line_width=2)
p.extra_y_ranges = {"single": Range1d (0, max (ydata))}
p.vbar(x='letters', width=0.5, top='rel', color="#dc322f", source=source, y_range_name='single')
p.add_layout(LinearAxis(y_range_name="single"), 'right')
# styling
p.xgrid.grid_line_color = None
p.xaxis.major_label_text_font_size = "1.5em"
p.xaxis.major_label_text_font_size = "1.5em"
p.xaxis.major_label_text_font = 'IBM Plex Arabic'
p.yaxis.major_label_text_font = 'IBM Plex Arabic'
# no border fill
p.border_fill_color = None
p.background_fill_alpha = 0.5
json.dump (json_item (p), sys.stdout)
return 0
def triadfreq (args):
""" Dump triad frequency stats to stdout """
sorter = dict (
weight=lambda x: x['weight'],
effort=lambda x: x['effort'].effort,
# increase impact of extremely “bad” triads using math.pow
combined=lambda x: (x['weight']/weightSum)*math.pow (x['effort'].effort, 2)
)
def noLimit (l, n):
yield from l
limiter = limit if args.limit > 0 else noLimit
stats = pickle.load (sys.stdin.buffer)
# XXX: add layout to stats?
keyboard = defaultKeyboards['ibmpc105']
layout = defaultLayouts[args.layout].specialize (keyboard)
writer = Writer (layout)
# letter-based binning, in case multiple buttons are mapped to the same
# letter.
binned = defaultdict (lambda: dict (weight=0, effort=Carpalx (models['mod01'], writer), textTriad=None))
weightSum = 0
for triad, weight in stats['triads'].triads.items ():
textTriad = tuple (layout.getText (t) for t in triad)
data = binned[textTriad]
data['weight'] += weight
data['effort'].addTriad (triad, weight)
data['textTriad'] = textTriad
data['layers'] = tuple (layout.modifierToLayer (x.modifier)[0] for x in triad)
weightSum += weight
# triads that contribute to x% of the weight
topTriads = list ()
topTriadsWeight = 0
for data in sorted (binned.values (), key=lambda x: x['weight'], reverse=True):
if topTriadsWeight < weightSum*args.cutoff:
topTriads.append (data)
topTriadsWeight += data['weight']
logging.info (f'{len (topTriads)}/{len (stats["triads"].triads)} triads '
'contribute to {args.cutoff*100}% of the typing')
# final output
sortByEffort = sorted (iter (topTriads), key=sorter[args.sort], reverse=args.reverse)
for data in limiter (sortByEffort, args.limit):
print (''.join (map (displayText, data['textTriad'])), data['weight'], data['effort'].effort)
return 0
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