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Python Source  |  2007-04-13  |  2.7 KB  |  97 lines
  1. ###########################################################################
  2. # 
  3. #  Psyco logger.
  4. #   Copyright (C) 2001-2002  Armin Rigo et.al.
  5.  
  6. """Psyco logger.
  7.  
  8. See log() in core.py.
  9. """
  10. ###########################################################################
  11.  
  12.  
  13. import _psyco
  14. from time import time, localtime, strftime
  15.  
  16.  
  17. current = None
  18. print_charges = 10
  19. dump_delay = 0.2
  20. dump_last = 0.0
  21.  
  22. def write(s, level):
  23.     t = time()
  24.     f = t-int(t)
  25.     try:
  26.         current.write("%s.%02d  %-*s%s\n" % (
  27.             strftime("%X", localtime(int(t))),
  28.             int(f*100.0), 63-level, s,
  29.             "%"*level))
  30.         current.flush()
  31.     except (OSError, IOError):
  32.         pass
  33.  
  34. def psycowrite(s):
  35.     t = time()
  36.     f = t-int(t)
  37.     try:
  38.         current.write("%s.%02d  %-*s%s\n" % (
  39.             strftime("%X", localtime(int(t))),
  40.             int(f*100.0), 60, s.strip(),
  41.             "% %"))
  42.         current.flush()
  43.     except (OSError, IOError):
  44.         pass
  45.  
  46. ##def writelines(lines, level=0):
  47. ##    if lines:
  48. ##        t = time()
  49. ##        f = t-int(t)
  50. ##        timedesc = strftime("%x %X", localtime(int(t)))
  51. ##        print >> current, "%s.%03d  %-*s %s" % (
  52. ##            timedesc, int(f*1000),
  53. ##            50-level, lines[0],
  54. ##            "+"*level)
  55. ##        timedesc = " " * (len(timedesc)+5)
  56. ##        for line in lines[1:]:
  57. ##            print >> current, timedesc, line
  58.  
  59. def writememory():
  60.     write("memory usage: %d+ kb" % _psyco.memory(), 1)
  61.  
  62. def dumpcharges():
  63.     global dump_last
  64.     if print_charges:
  65.         t = time()
  66.         if not (dump_last <= t < dump_last+dump_delay):
  67.             if t <= dump_last+1.5*dump_delay:
  68.                 dump_last += dump_delay
  69.             else:
  70.                 dump_last = t
  71.             #write("%s: charges:" % who, 0)
  72.             lst = _psyco.stattop(print_charges)
  73.             if lst:
  74.                 f = t-int(t)
  75.                 lines = ["%s.%02d   ______\n" % (
  76.                     strftime("%X", localtime(int(t))),
  77.                     int(f*100.0))]
  78.                 i = 1
  79.                 for co, charge in lst:
  80.                     detail = co.co_filename
  81.                     if len(detail) > 19:
  82.                         detail = '...' + detail[-17:]
  83.                     lines.append("        #%-3d |%4.1f %%|  %-26s%20s:%d\n" %
  84.                                  (i, charge*100.0, co.co_name, detail,
  85.                                   co.co_firstlineno))
  86.                     i += 1
  87.                 current.writelines(lines)
  88.                 current.flush()
  89.  
  90. def writefinalstats():
  91.     dumpcharges()
  92.     writememory()
  93.     writedate("program exit")
  94.  
  95. def writedate(msg):
  96.     write('%s, %s' % (msg, strftime("%x")), 20)
  97.