generate svg calendar image

svg-calender.py

import calendar
from datetime import date

CEL_WIDTH = 28
CEL_HEIGHT = 28
CEL_TEXT_ADJUST_X = CEL_WIDTH / 2.0 -1
CEL_TEXT_ADJUST_Y = 20
WIDTH = CEL_WIDTH * 7 + 2
HEIGHT = CEL_HEIGHT * 6 + 2

today = date.today()
target = date(today.year, today.month, 1)
monthrange = calendar.monthrange(today.year, today.month)
dom = 1
day = monthrange[0]
week = 0

f = open("/tmp/calendar.svg", "w")

f.write("<svg xmlns=\"http://www.w3.org/2000/svg\" id=\"erd-canvas\" width=\"%dpx\" height=\"%dpx\" >" % (WIDTH, HEIGHT))


for day_num in range(1, monthrange[1]):
    target = date(target.year, target.month, day_num)
    fill = "#fff"
    char_stroke = "#000"
    if target.weekday() == 6:
        week += 1
        fill = "#fee"
        char_stroke = "#f00"
    elif target.weekday() == 5:
        fill = "#eef"
        char_stroke = "#00f"

    if today.day == day_num:
        fill = "#fc8"

    x = ((target.weekday() + 1) % 7) * CEL_WIDTH
    y = week * CEL_HEIGHT
    f.write("<rect x=\"%dpx\" y=\"%dpx\" width=\"%dpx\" height=\"%dpx\" " 
            "      stroke=\"#000\" stroke-width=\"1px\" fill=\"%s\"/>"
            % (x + 1, y + 1, CEL_WIDTH - 2, CEL_HEIGHT - 2, fill))
    f.write("<text x=\"%dpx\" y=\"%dpx\" stroke=\"%s\" text-anchor=\"middle\">%d</text>"
            % (x + CEL_TEXT_ADJUST_X, y + CEL_TEXT_ADJUST_Y, char_stroke, day_num))


f.write("</svg>")

f.close()