PCbuild/field3.py

   1 # An absurd workaround for the lack of arithmetic in MS's resource compiler.
   2 # After building Python, run this, then paste the output into the appropriate
   3 # part of PC\python_nt.rc.
   4 # Example output:
   5 #
   6 # * For 2.3a0,
   7 # * PY_MICRO_VERSION = 0
   8 # * PY_RELEASE_LEVEL = 'alpha' = 0xA
   9 # * PY_RELEASE_SERIAL = 1
  10 # *
  11 # * and 0*1000 + 10*10 + 1 = 101.
  12 # */
  13 # #define FIELD3 101
  14
  15 import sys
  16
  17 major, minor, micro, level, serial = sys.version_info
  18 levelnum = {'alpha': 0xA,
  19             'beta': 0xB,
  20             'candidate': 0xC,
  21             'final': 0xF,
  22            }[level]
  23 string = sys.version.split()[0] # like '2.3a0'
  24
  25 print(" * For %s," % string)
  26 print(" * PY_MICRO_VERSION = %d" % micro)
  27 print(" * PY_RELEASE_LEVEL = %r = %s" % (level, hex(levelnum)))
  28 print(" * PY_RELEASE_SERIAL = %d" % serial)
  29 print(" *")
  30
  31 field3 = micro * 1000 + levelnum * 10 + serial
  32
  33 print(" * and %d*1000 + %d*10 + %d = %d" % (micro, levelnum, serial, field3))
  34 print(" */")
  35 print("#define FIELD3", field3)