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Diffstat (limited to 'Demo/stdwin/lpwin.py')
| -rwxr-xr-x | Demo/stdwin/lpwin.py | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/Demo/stdwin/lpwin.py b/Demo/stdwin/lpwin.py deleted file mode 100755 index 519b428061..0000000000 --- a/Demo/stdwin/lpwin.py +++ /dev/null @@ -1,198 +0,0 @@ -#! /usr/bin/env python - -# Watch line printer queues (only works with BSD 4.3 lpq). -# -# This brings up a window containing one line per printer argument. -# -# Each line gives a small summary of the printer's status and queue. -# The status tries to give as much relevant information as possible, -# and gives extra info if you have jobs in the queue. -# -# The line's background color gives a hint at the status: navajo white -# for idle, green if your job is now printing, yellow/orange for -# small/large queue, red for errors. -# -# To reduce the duration of the unresponsive time while it is waiting -# for an lpq subprocess to finish, it polls one printer every -# delay/len(printers) seconds. A tiny dot indicates the last printer -# updated. Hit the mouse button in the window to update the next one. -# -# To do: -# - add an argument to override the default delay -# - add arguments to override the default colors -# - better heuristic for small/large queue (and more colors!) -# - mouse clicks should update the printer clicked in -# - better visual appearance, e.g., boxes around the lines? - -import posix -import sys -import time -import string - -import stdwin -from stdwinevents import * -import mainloop - -# Default parameters -DEF_PRINTER = 'oce' # This is CWI specific! -DEF_DELAY = 10 - -# Color assignments -c_unknown = stdwin.fetchcolor('white') -c_idle = stdwin.fetchcolor('navajo white') -c_ontop = stdwin.fetchcolor('green') -c_smallqueue = stdwin.fetchcolor('yellow') -c_bigqueue = stdwin.fetchcolor('orange') -c_error = stdwin.fetchcolor('red') - -def main(): - delay = DEF_DELAY - # - try: - thisuser = posix.environ['LOGNAME'] - except: - thisuser = posix.environ['USER'] - # - printers = sys.argv[1:] - if printers: - # Strip '-P' from printer names just in case - # the user specified it... - for i in range(len(printers)): - if printers[i][:2] == '-P': - printers[i] = printers[i][2:] - else: - if posix.environ.has_key('PRINTER'): - printers = [posix.environ['PRINTER']] - else: - printers = [DEF_PRINTER] - # - width = stdwin.textwidth('in')*20 - height = len(printers) * stdwin.lineheight() + 5 - stdwin.setdefwinsize(width, height) - stdwin.setdefscrollbars(0, 0) - # - win = stdwin.open('lpwin') - # - win.printers = printers - win.colors = [c_unknown] * len(printers) - win.texts = printers[:] - win.next = 0 - win.delay = DEF_DELAY - win.thisuser = thisuser - win.dispatch = lpdispatch - # - win.settimer(1) - # - mainloop.register(win) - mainloop.mainloop() - -def lpdispatch(event): - type, win, detail = event - if type == WE_CLOSE or type == WE_CHAR and detail in ('q', 'Q'): - mainloop.unregister(win) - elif type == WE_DRAW: - drawproc(win) - elif type == WE_TIMER: - update(win) - win.change((0,0), (10000, 10000)) - elif type == WE_MOUSE_UP: - win.settimer(1) - -def drawproc(win): - d = win.begindrawing() - offset = d.textwidth('.') - h, v = 0, 0 - for i in range(len(win.printers)): - text = win.texts[i] - color = win.colors[i] - d.setbgcolor(color) - d.erase((h, v), (h+10000, v+d.lineheight())) - if (i+1) % len(win.printers) == win.next and color <> c_unknown: - d.text((h, v), '.') - d.text((h+offset, v), text) - v = v + d.lineheight() - -def update(win): - i = win.next - win.next = (i+1) % len(win.printers) - win.texts[i], win.colors[i] = makestatus(win.printers[i], win.thisuser) - win.settimer(int(win.delay * 10.0 / len(win.printers))) - -def makestatus(name, thisuser): - pipe = posix.popen('lpq -P' + name + ' 2>&1', 'r') - lines = [] - users = {} - aheadbytes = 0 - aheadjobs = 0 - userseen = 0 - totalbytes = 0 - totaljobs = 0 - color = c_unknown - while 1: - line = pipe.readline() - if not line: break - fields = string.split(line) - n = len(fields) - if len(fields) >= 6 and fields[n-1] == 'bytes': - rank = fields[0] - user = fields[1] - job = fields[2] - files = fields[3:-2] - bytes = eval(fields[n-2]) - if user == thisuser: - userseen = 1 - if aheadjobs == 0: - color = c_ontop - elif not userseen: - aheadbytes = aheadbytes + bytes - aheadjobs = aheadjobs + 1 - totalbytes = totalbytes + bytes - totaljobs = totaljobs + 1 - if color == c_unknown: - color = c_smallqueue - elif color == c_smallqueue: - color = c_bigqueue - if users.has_key(user): - ujobs, ubytes = users[user] - else: - ujobs, ubytes = 0, 0 - ujobs = ujobs + 1 - ubytes = ubytes + bytes - users[user] = ujobs, ubytes - else: - if fields and fields[0] <> 'Rank': - line = string.strip(line) - if line == 'no entries': - line = name + ': idle' - if color == c_unknown: - color = c_idle - elif line[-22:] == ' is ready and printing': - line = line[:-22] - else: - line = name + ': ' + line - color = c_error - lines.append(line) - # - if totaljobs: - line = `(totalbytes+1023)/1024` + ' K' - if totaljobs <> len(users): - line = line + ' (' + `totaljobs` + ' jobs)' - if len(users) == 1: - line = line + ' for ' + users.keys()[0] - else: - line = line + ' for ' + `len(users)` + ' users' - if userseen: - if aheadjobs == 0: - line = line + ' (' + thisuser + ' first)' - else: - line = line + ' (' + `(aheadbytes+1023)/1024` - line = line + ' K before ' + thisuser + ')' - lines.append(line) - # - sts = pipe.close() - if sts: - lines.append('lpq exit status ' + `sts`) - color = c_error - return string.joinfields(lines, ': '), color - -main() |