ftpstats.py :  » Mobile » Python-for-PalmOS » Python-1.5.2+reduced-1.0 » Demo » scripts » Python Open Source

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Python Open Source » Mobile » Python for PalmOS 
Python for PalmOS » Python 1.5.2 reduced 1.0 » Demo » scripts » ftpstats.py
#! /usr/bin/env python

# Extract statistics from ftp daemon log.

# Usage:
# ftpstats [-m maxitems] [-s search] [file]
# -m maxitems: restrict number of items in "top-N" lists, default 25.
# -s string:   restrict statistics to lines containing this string.
# Default file is /usr/adm/ftpd;  a "-" means read stdandard input.

# The script must be run on the host where the ftp daemon runs.
# (At CWI this is currently buizerd.)

import os
import sys
import regex
import string
import getopt

pat = '^\([a-zA-Z0-9 :]*\)!\(.*\)!\(.*\)!\([<>].*\)!\([0-9]+\)!\([0-9]+\)$'
prog = regex.compile(pat)

def main():
  maxitems = 25
  search = None
  try:
    opts, args = getopt.getopt(sys.argv[1:], 'm:s:')
  except getopt.error, msg:
    print msg
    print 'usage: ftpstats [-m maxitems] [file]'
    sys.exit(2)
  for o, a in opts:
    if o == '-m':
      maxitems = string.atoi(a)
    if o == '-s':
      search = a
  file = '/usr/adm/ftpd'
  if args: file = args[0]
  if file == '-':
    f = sys.stdin
  else:
    try:
      f = open(file, 'r')
    except IOError, msg:
      print file, ':', msg
      sys.exit(1)
  bydate = {}
  bytime = {}
  byfile = {}
  bydir = {}
  byhost = {}
  byuser = {}
  bytype = {}
  lineno = 0
  try:
    while 1:
      line = f.readline()
      if not line: break
      lineno = lineno + 1
      if search and string.find(line, search) < 0:
        continue
      if prog.match(line) < 0:
        print 'Bad line', lineno, ':', `line`
        continue
      items = prog.group(1, 2, 3, 4, 5, 6)
      (logtime, loguser, loghost, logfile, logbytes,
       logxxx2) = items
##       print logtime
##       print '-->', loguser
##       print '--> -->', loghost
##       print '--> --> -->', logfile
##       print '--> --> --> -->', logbytes
##       print '--> --> --> --> -->', logxxx2
##       for i in logtime, loghost, logbytes, logxxx2:
##         if '!' in i: print '???', i
      add(bydate, logtime[-4:] + ' ' + logtime[:6], items)
      add(bytime, logtime[7:9] + ':00-59', items)
      direction, logfile = logfile[0], logfile[1:]
      # The real path probably starts at the last //...
      while 1:
        i = string.find(logfile, '//')
        if i < 0: break
        logfile = logfile[i+1:]
      add(byfile, logfile + ' ' + direction, items)
      logdir = os.path.dirname(logfile)
##    logdir = os.path.normpath(logdir) + '/.'
      while 1:
        add(bydir, logdir + ' ' + direction, items)
        dirhead = os.path.dirname(logdir)
        if dirhead == logdir: break
        logdir = dirhead
      add(byhost, loghost, items)
      add(byuser, loguser, items)
      add(bytype, direction, items)
  except KeyboardInterrupt:
    print 'Interrupted at line', lineno
  show(bytype, 'by transfer direction', maxitems)
  show(bydir, 'by directory', maxitems)
  show(byfile, 'by file', maxitems)
  show(byhost, 'by host', maxitems)
  show(byuser, 'by user', maxitems)
  showbar(bydate, 'by date')
  showbar(bytime, 'by time of day')

def showbar(dict, title):
  n = len(title)
  print '='*((70-n)/2), title, '='*((71-n)/2)
  list = []
  keys = dict.keys()
  keys.sort()
  for key in keys:
    n = len(str(key))
    list.append((len(dict[key]), key))
  maxkeylength = 0
  maxcount = 0
  for count, key in list:
    maxkeylength = max(maxkeylength, len(key))
    maxcount = max(maxcount, count)
  maxbarlength = 72 - maxkeylength - 7
  for count, key in list:
    barlength = int(round(maxbarlength*float(count)/maxcount))
    bar = '*'*barlength
    print '%5d %-*s %s' % (count, maxkeylength, key, bar)

def show(dict, title, maxitems):
  if len(dict) > maxitems:
    title = title + ' (first %d)'%maxitems
  n = len(title)
  print '='*((70-n)/2), title, '='*((71-n)/2)
  list = []
  keys = dict.keys()
  for key in keys:
    list.append((-len(dict[key]), key))
  list.sort()
  for count, key in list[:maxitems]:
    print '%5d %s' % (-count, key)

def add(dict, key, item):
  if dict.has_key(key):
    dict[key].append(item)
  else:
    dict[key] = [item]

main()
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