ref: c789c054808dc3984abfb0d6b7de6d12e66471c2
dir: /sys/lib/python/lib-tk/FixTk.py/
import sys, os # Delay import _tkinter until we have set TCL_LIBRARY, # so that Tcl_FindExecutable has a chance to locate its # encoding directory. # Unfortunately, we cannot know the TCL_LIBRARY directory # if we don't know the tcl version, which we cannot find out # without import Tcl. Fortunately, Tcl will itself look in # <TCL_LIBRARY>\..\tcl<TCL_VERSION>, so anything close to # the real Tcl library will do. prefix = os.path.join(sys.prefix,"tcl") # if this does not exist, no further search is needed if os.path.exists(prefix): if not os.environ.has_key("TCL_LIBRARY"): for name in os.listdir(prefix): if name.startswith("tcl"): tcldir = os.path.join(prefix,name) if os.path.isdir(tcldir): os.environ["TCL_LIBRARY"] = tcldir # Compute TK_LIBRARY, knowing that it has the same version # as Tcl import _tkinter ver = str(_tkinter.TCL_VERSION) if not os.environ.has_key("TK_LIBRARY"): v = os.path.join(prefix, 'tk'+ver) if os.path.exists(os.path.join(v, "tclIndex")): os.environ['TK_LIBRARY'] = v # We don't know the Tix version, so we must search the entire # directory if not os.environ.has_key("TIX_LIBRARY"): for name in os.listdir(prefix): if name.startswith("tix"): tixdir = os.path.join(prefix,name) if os.path.isdir(tixdir): os.environ["TIX_LIBRARY"] = tixdir