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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 not os.path.exists(prefix):
# devdir/../tcltk/lib
prefix = os.path.join(sys.prefix, os.path.pardir, "tcltk", "lib")
prefix = os.path.abspath(prefix)
# if this does not exist, no further search is needed
if os.path.exists(prefix):
if "TCL_LIBRARY" not in os.environ:
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 "TK_LIBRARY" not in os.environ:
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 "TIX_LIBRARY" not in os.environ:
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
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