Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Tip revision: 1da43e5e916949c8e849e656d9d05fa4b9d6836c authored by Benjamin Peterson on 26 June 2009, 13:21:52 UTC
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
Tip revision: 1da43e5
tclock.py
#!/usr/bin/env python
#
# $Id$
#
# From tclock.c, Copyright Howard Jones <ha.jones@ic.ac.uk>, September 1994.
from math import *
import curses, time
ASPECT = 2.2
def sign(_x):
if _x < 0: return -1
return 1
def A2XY(angle, radius):
return (int(round(ASPECT * radius * sin(angle))),
int(round(radius * cos(angle))))
def plot(x, y, col):
stdscr.addch(y, x, col)
# draw a diagonal line using Bresenham's algorithm
def dline(pair, from_x, from_y, x2, y2, ch):
if curses.has_colors():
stdscr.attrset(curses.color_pair(pair))
dx = x2 - from_x
dy = y2 - from_y
ax = abs(dx * 2)
ay = abs(dy * 2)
sx = sign(dx)
sy = sign(dy)
x = from_x
y = from_y
if ax > ay:
d = ay - ax // 2
while True:
plot(x, y, ch)
if x == x2:
return
if d >= 0:
y += sy
d -= ax
x += sx
d += ay
else:
d = ax - ay // 2
while True:
plot(x, y, ch)
if y == y2:
return
if d >= 0:
x += sx
d -= ay
y += sy
d += ax
def main(win):
global stdscr
stdscr = win
lastbeep = -1
my_bg = curses.COLOR_BLACK
stdscr.nodelay(1)
stdscr.timeout(0)
# curses.curs_set(0)
if curses.has_colors():
curses.init_pair(1, curses.COLOR_RED, my_bg)
curses.init_pair(2, curses.COLOR_MAGENTA, my_bg)
curses.init_pair(3, curses.COLOR_GREEN, my_bg)
cx = (curses.COLS - 1) // 2
cy = curses.LINES // 2
ch = min( cy-1, int(cx // ASPECT) - 1)
mradius = (3 * ch) // 4
hradius = ch // 2
sradius = 5 * ch // 6
for i in range(0, 12):
sangle = (i + 1) * 2.0 * pi / 12.0
sdx, sdy = A2XY(sangle, sradius)
stdscr.addstr(cy - sdy, cx + sdx, "%d" % (i + 1))
stdscr.addstr(0, 0,
"ASCII Clock by Howard Jones <ha.jones@ic.ac.uk>, 1994")
sradius = max(sradius-4, 8)
while True:
curses.napms(1000)
tim = time.time()
t = time.localtime(tim)
hours = t[3] + t[4] / 60.0
if hours > 12.0:
hours -= 12.0
mangle = t[4] * 2 * pi / 60.0
mdx, mdy = A2XY(mangle, mradius)
hangle = hours * 2 * pi / 12.0
hdx, hdy = A2XY(hangle, hradius)
sangle = t[5] * 2 * pi / 60.0
sdx, sdy = A2XY(sangle, sradius)
dline(3, cx, cy, cx + mdx, cy - mdy, ord('#'))
stdscr.attrset(curses.A_REVERSE)
dline(2, cx, cy, cx + hdx, cy - hdy, ord('.'))
stdscr.attroff(curses.A_REVERSE)
if curses.has_colors():
stdscr.attrset(curses.color_pair(1))
plot(cx + sdx, cy - sdy, ord('O'))
if curses.has_colors():
stdscr.attrset(curses.color_pair(0))
stdscr.addstr(curses.LINES - 2, 0, time.ctime(tim))
stdscr.refresh()
if (t[5] % 5) == 0 and t[5] != lastbeep:
lastbeep = t[5]
curses.beep()
ch = stdscr.getch()
if ch == ord('q'):
return 0
plot(cx + sdx, cy - sdy, ord(' '))
dline(0, cx, cy, cx + hdx, cy - hdy, ord(' '))
dline(0, cx, cy, cx + mdx, cy - mdy, ord(' '))
curses.wrapper(main)