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