ddskk-record-grapher.py

# Your .skk-record location
filename = '~/.skk-record'

import os
import datetime as dt
import matplotlib.pyplot as plt
import matplotlib.dates as mdates

filename = os.path.expanduser(filename)
f = open(filename)
lines = f.readlines()
f.close()

dates = [None]*len(lines)
words = [None]*len(lines)

for (index,line) in enumerate(lines):
    dstr = line[:24]
    ddate = dt.datetime.strptime(dstr,'%a %b %d %H:%M:%S %Y')
    dates[index] = dt.datetime(ddate.year,ddate.month,ddate.day,ddate.hour,ddate.minute,ddate.second)

    wstr = line[59:]
    wint = int(wstr)
    words[index] = wint

fig = plt.figure()
ax = fig.add_subplot(1,1,1)
ax.plot(dates,words,label='SKK jisyo candidates')
ax.legend(loc='upper left')

ax.xaxis.set_major_locator(mdates.AutoDateLocator())
ax.xaxis.set_major_formatter(mdates.DateFormatter('%b %d'))
fig.autofmt_xdate(bottom=0.15,ha='center')

start = min(dates)
end = max(dates)
ax.set_xlim(dt.date(start.year,start.month,start.day),dt.date(end.year,end.month,end.day+1))

ax.set_ylabel('Number of words')

plt.savefig('output.pdf')