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authorGeorg Brandl <georg@python.org>2010-12-30 17:22:33 (GMT)
committerGeorg Brandl <georg@python.org>2010-12-30 17:22:33 (GMT)
commit4cf83f4d128bd40ebe3b6e59ced4895f554d18de (patch)
treeccc6e4c3e03a711c45f4badf811314231d646d95 /Demo/scripts/lpwatch.py
parentd1fc34d563a9fd06a78226b1bb4e56286c70e035 (diff)
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Remove some of the old demos. (Put a few somewhere else.)
Diffstat (limited to 'Demo/scripts/lpwatch.py')
-rwxr-xr-xDemo/scripts/lpwatch.py102
1 files changed, 0 insertions, 102 deletions
diff --git a/Demo/scripts/lpwatch.py b/Demo/scripts/lpwatch.py
deleted file mode 100755
index 01d9fea..0000000
--- a/Demo/scripts/lpwatch.py
+++ /dev/null
@@ -1,102 +0,0 @@
-#! /usr/bin/env python3
-
-# Watch line printer queue(s).
-# Intended for BSD 4.3 lpq.
-
-import os
-import sys
-import time
-
-DEF_PRINTER = 'psc'
-DEF_DELAY = 10
-
-def main():
- delay = DEF_DELAY # XXX Use getopt() later
- try:
- thisuser = os.environ['LOGNAME']
- except:
- thisuser = os.environ['USER']
- printers = sys.argv[1:]
- if printers:
- # Strip '-P' from printer names just in case
- # the user specified it...
- for i, name in enumerate(printers):
- if name[:2] == '-P':
- printers[i] = name[2:]
- else:
- if 'PRINTER' in os.environ:
- printers = [os.environ['PRINTER']]
- else:
- printers = [DEF_PRINTER]
-
- clearhome = os.popen('clear', 'r').read()
-
- while True:
- text = clearhome
- for name in printers:
- text += makestatus(name, thisuser) + '\n'
- print(text)
- time.sleep(delay)
-
-def makestatus(name, thisuser):
- pipe = os.popen('lpq -P' + name + ' 2>&1', 'r')
- lines = []
- users = {}
- aheadbytes = 0
- aheadjobs = 0
- userseen = False
- totalbytes = 0
- totaljobs = 0
- for line in pipe:
- fields = line.split()
- n = len(fields)
- if len(fields) >= 6 and fields[n-1] == 'bytes':
- rank, user, job = fields[0:3]
- files = fields[3:-2]
- bytes = int(fields[n-2])
- if user == thisuser:
- userseen = True
- elif not userseen:
- 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 = 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)
- if totaljobs != len(users):
- line += ' (%d jobs)' % totaljobs
- if len(users) == 1:
- line += ' for %s' % next(iter(users))
- else:
- line += ' for %d users' % len(users)
- if userseen:
- if aheadjobs == 0:
- line += ' (%s first)' % thisuser
- else:
- 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 ': '.join(lines)
-
-if __name__ == "__main__":
- try:
- main()
- except KeyboardInterrupt:
- pass