[Patches] [ python-Patches-470433 ] Python shouldn't clobber TCL_LIBRARY

[noreply@sourceforge.net]

Patches item #470433, was opened at 2001-10-11 16:51
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Category: Tkinter
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Internet Discovery (idiscovery)
Assigned to: Nobody/Anonymous (nobody)
Summary: Python shouldn't clobber TCL_LIBRARY

Initial Comment:
Python shouldn't clobber TCL_LIBRARY and TK_LIBRARY if they already exist.
It means that a given Python executable, or any executable frozn from it
will only work with the installed Tk/Tcl.  This is especially a problem when
the installed Tk is broke (Active state build 210). The patch is to FixTk.py,
and you can safely look for Tix too in case that becomes a part of standard
distributions in the future.

import sys, os, _tkinter

ver = str(_tkinter.TCL_VERSION)
for t in "tcl", "tk", "tix":
    if not os.environ.haskey(t.upper() + "_LIBRARY"):
        v = os.path.join(sys.prefix, "tcl", t+ver)
        if os.path.exists(os.path.join(v, "tclIndex")):
            os.environ[t.upper() + "_LIBRARY"] = v



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>Comment By: Internet Discovery (idiscovery)
Date: 2001-10-11 17:50

Message:
Logged In: YES 
user_id=33229

Sorry, that should be:

import sys, os, _tkinter

ver = str(_tkinter.TCL_VERSION)
for t in "tcl", "tk", "tix":
    try:
        v = os.environ[t.upper() + "_LIBRARY"]
    except KeyError:
        v = os.path.join(sys.prefix, "tcl", t+ver)
        if os.path.exists(os.path.join(v, "tclIndex")):
            os.environ[t.upper() + "_LIBRARY"] = v


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