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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 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
# Now set the other variables accordingly
import _tkinter
ver = str(_tkinter.TCL_VERSION)
for t in "tk", "tix":
key = t.upper() + "_LIBRARY"
try:
v = os.environ[key]
except KeyError:
v = os.path.join(sys.prefix, "tcl", t+ver)
if os.path.exists(os.path.join(v, "tclIndex")):
os.environ[key] = v
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