Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-31 13:41:24 +00:00
Code Issues Projects Releases Packages Wiki Activity

Merged revisions 75354 via svnmerge from

Browse source 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r75354 | georg.brandl | 2009-10-11 16:23:49 +0200 (So, 11 Okt 2009) | 1 line

  Update lpwatch script.
........
This commit is contained in:
Georg Brandl 2009-10-11 14:27:51 +00:00
parent 0e4a63993b
commit ec8aab6e4c
2 changed files with 41 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

84
Demo/scripts/lpwatch.py
View file

@ -3,10 +3,9 @@
# Watch line printer queue(s).
# Intended for BSD 4.3 lpq.
import posix
import os
import sys
import time
import string
DEF_PRINTER = 'psc'
DEF_DELAY = 10
@ -14,94 +13,87 @@
def main():
delay = DEF_DELAY # XXX Use getopt() later
try:
thisuser = posix.environ['LOGNAME']
thisuser = os.environ['LOGNAME']
except:
thisuser = posix.environ['USER']
thisuser = os.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:]
for i, name in enumerate(printers):
if name[:2] == '-P':
printers[i] = name[2:]
else:
if 'PRINTER' in posix.environ:
printers = [posix.environ['PRINTER']]
if 'PRINTER' in os.environ:
printers = [os.environ['PRINTER']]
else:
printers = [DEF_PRINTER]
#
clearhome = posix.popen('clear', 'r').read()
#
while 1:
clearhome = os.popen('clear', 'r').read()
while True:
text = clearhome
for name in printers:
text = text + makestatus(name, thisuser) + '\n'
text += makestatus(name, thisuser) + '\n'
print(text)
time.sleep(delay)
def makestatus(name, thisuser):
pipe = posix.popen('lpq -P' + name + ' 2>&1', 'r')
pipe = os.popen('lpq -P' + name + ' 2>&1', 'r')
lines = []
users = {}
aheadbytes = 0
aheadjobs = 0
userseen = 0
userseen = False
totalbytes = 0
totaljobs = 0
while 1:
line = pipe.readline()
if not line: break
fields = string.split(line)
for line in pipe:
fields = line.split()
n = len(fields)
if len(fields) >= 6 and fields[n-1] == 'bytes':
rank = fields[0]
user = fields[1]
job = fields[2]
rank, user, job = fields[0:3]
files = fields[3:-2]
bytes = eval(fields[n-2])
bytes = int(fields[n-2])
if user == thisuser:
userseen = 1
userseen = True
elif not userseen:
aheadbytes = aheadbytes + bytes
aheadjobs = aheadjobs + 1
totalbytes = totalbytes + bytes
totaljobs = totaljobs + 1
if user in users:
ujobs, ubytes = users[user]
else:
ujobs, ubytes = 0, 0
ujobs = ujobs + 1
ubytes = ubytes + bytes
aheadbytes += bytes
aheadjobs += 1
totalbytes += bytes
totaljobs += 1
ujobs, ubytes = users.get(user, (0, 0))
ujobs += 1
ubytes += bytes
users[user] = ujobs, ubytes
else:
if fields and fields[0] != 'Rank':
line = string.strip(line)
line = line.strip()
if line == 'no entries':
line = name + ': idle'
elif line[-22:] == ' is ready and printing':
line = name
lines.append(line)
#
if totaljobs:
line = '%d K' % ((totalbytes+1023)//1024)
line = '%d K' % ((totalbytes+1023) // 1024)
if totaljobs != len(users):
line = line + ' (%d jobs)' % totaljobs
line += ' (%d jobs)' % totaljobs
if len(users) == 1:
line = line + ' for %s' % (list(users.keys())[0],)
line += ' for %s' % next(iter(users))
else:
line = line + ' for %d users' % len(users)
line += ' for %d users' % len(users)
if userseen:
if aheadjobs == 0:
line = line + ' (%s first)' % thisuser
line += ' (%s first)' % thisuser
else:
line = line + ' (%d K before %s)' % (
(aheadbytes+1023)//1024, thisuser)
line += ' (%d K before %s)' % (
(aheadbytes+1023) // 1024, thisuser)
lines.append(line)
#
sts = pipe.close()
if sts:
lines.append('lpq exit status %r' % (sts,))
return string.joinfields(lines, ': ')
return ': '.join(lines)
if __name__ == "__main__":
try: