Lib/lib-tk/FixTk.py

   1 import sys, os
   2
   3 # Delay import _tkinter until we have set TCL_LIBRARY,
   4 # so that Tcl_FindExecutable has a chance to locate its
   5 # encoding directory.
   6
   7 # Unfortunately, we cannot know the TCL_LIBRARY directory
   8 # if we don't know the tcl version, which we cannot find out
   9 # without import Tcl. Fortunately, Tcl will itself look in
  10 # <TCL_LIBRARY>\..\tcl<TCL_VERSION>, so anything close to
  11 # the real Tcl library will do.
  12
  13 prefix = os.path.join(sys.prefix,"tcl")
  14 if not os.path.exists(prefix):
  15     # devdir/../tcltk/lib
  16     prefix = os.path.join(sys.prefix, os.path.pardir, "tcltk", "lib")
  17     prefix = os.path.abspath(prefix)
  18 # if this does not exist, no further search is needed
  19 if os.path.exists(prefix):
  20     if not os.environ.has_key("TCL_LIBRARY"):
  21         for name in os.listdir(prefix):
  22             if name.startswith("tcl"):
  23                 tcldir = os.path.join(prefix,name)
  24                 if os.path.isdir(tcldir):
  25                     os.environ["TCL_LIBRARY"] = tcldir
  26     # Compute TK_LIBRARY, knowing that it has the same version
  27     # as Tcl
  28     import _tkinter
  29     ver = str(_tkinter.TCL_VERSION)
  30     if not os.environ.has_key("TK_LIBRARY"):
  31         v = os.path.join(prefix, 'tk'+ver)
  32         if os.path.exists(os.path.join(v, "tclIndex")):
  33             os.environ['TK_LIBRARY'] = v
  34     # We don't know the Tix version, so we must search the entire
  35     # directory
  36     if not os.environ.has_key("TIX_LIBRARY"):
  37         for name in os.listdir(prefix):
  38             if name.startswith("tix"):
  39                 tixdir = os.path.join(prefix,name)
  40                 if os.path.isdir(tixdir):
  41                     os.environ["TIX_LIBRARY"] = tixdir