Martin v. Löwis | 4ca196d | 2002-02-24 16:51:45 +0000 | [diff] [blame^] | 1 | import sys, os |
Guido van Rossum | ea32cbb | 2001-10-12 15:34:29 +0000 | [diff] [blame] | 2 | |
Martin v. Löwis | 4ca196d | 2002-02-24 16:51:45 +0000 | [diff] [blame^] | 3 | # Delay import _tkinter until we have set TCL_LIBRARY, |
| 4 | # so that Tcl_FindExecutable has a chance to locate its |
| 5 | # encoding directory. |
| 6 | |
| 7 | # Unfortunately, we cannot know the TCL_LIBRARY directory |
| 8 | # if we don't know the tcl version, which we cannot find out |
| 9 | # without import Tcl. Fortunately, Tcl will itself look in |
| 10 | # <TCL_LIBRARY>\..\tcl<TCL_VERSION>, so anything close to |
| 11 | # the real Tcl library will do. |
| 12 | |
| 13 | prefix = os.path.join(sys.prefix,"tcl") |
| 14 | # if this does not exist, no further search is needed |
| 15 | if os.path.exists(prefix): |
| 16 | if not os.environ.has_key("TCL_LIBRARY"): |
| 17 | for name in os.listdir(prefix): |
| 18 | if name.startswith("tcl"): |
| 19 | tcldir = os.path.join(prefix,name) |
| 20 | if os.path.isdir(tcldir): |
| 21 | os.environ["TCL_LIBRARY"] = tcldir |
| 22 | # Now set the other variables accordingly |
| 23 | import _tkinter |
| 24 | ver = str(_tkinter.TCL_VERSION) |
| 25 | for t in "tk", "tix": |
| 26 | key = t.upper() + "_LIBRARY" |
| 27 | try: |
| 28 | v = os.environ[key] |
| 29 | except KeyError: |
| 30 | v = os.path.join(sys.prefix, "tcl", t+ver) |
| 31 | if os.path.exists(os.path.join(v, "tclIndex")): |
| 32 | os.environ[key] = v |