| Guido van Rossum | f8d579c | 1999-01-04 18:06:45 +0000 | [diff] [blame] | 1 | """Utility which tries to locate the Tcl/Tk 8.0 DLLs on Windows. |
| 2 | |
| 3 | This is a no-op on other platforms. |
| 4 | """ |
| 5 | |
| 6 | # Error messages we may spit out |
| 7 | |
| 8 | NO_TCL_MESSAGE = """\ |
| 9 | WHOOPS! I can't find a Tcl/Tk 8.0 installation anywhere. |
| 10 | Please make sure that Tcl.Tk 8.0 is installed and that the PATH |
| 11 | environment variable is set to include the Tcl/bin directory |
| 12 | (or wherever TK80.DLL and TCL80.DLL are installed). |
| 13 | If you don't know how to fix this, consider searching the Python FAQ |
| 14 | for the error you get; post to the comp.lang.python if all else fails. |
| 15 | Read the source file FixTk.py for details. |
| 16 | """ |
| 17 | |
| 18 | NO_TKINTER_MESSAGE = """\ |
| 19 | WHOOPS! Even though I think I have found a Tcl/Tk 8.0 installation, |
| 20 | I can't seem to import the _tkinter extension module. |
| 21 | I get the following exception: |
| 22 | ImportError: %s |
| 23 | If you don't know how to fix this, consider searching the Python FAQ |
| 24 | for the error you get; post to the comp.lang.python if all else fails. |
| 25 | Read the source file FixTk.py for details. |
| 26 | """ |
| 27 | |
| 28 | import sys |
| 29 | if sys.platform == "win32": |
| 30 | try: |
| 31 | import _tkinter |
| 32 | except ImportError: |
| 33 | import os |
| 34 | try: |
| 35 | path = os.environ['PATH'] |
| 36 | except KeyError: |
| 37 | path = "" |
| 38 | python_exe = sys.executable |
| 39 | python_dir = os.path.dirname(python_exe) |
| 40 | program_files = os.path.dirname(python_dir) |
| 41 | def tclcheck(dir): |
| 42 | for dll in "tcl80.dll", "tk80.dll", "tclpip80.dll": |
| 43 | if not os.path.isfile(os.path.join(dir, dll)): |
| 44 | return 0 |
| 45 | return 1 |
| 46 | for tcldir in [program_files, "\\Program files", "\\", |
| 47 | "C:\\Program Files", "D:\\Program Files"]: |
| 48 | tcldir = os.path.join(tcldir, "Tcl", "bin") |
| 49 | if tclcheck(tcldir): |
| 50 | break |
| 51 | else: |
| 52 | tcldir = None |
| 53 | if not tcldir: |
| 54 | sys.stderr.write(NO_TCL_MESSAGE) |
| 55 | else: |
| 56 | if path and path[-1] != os.pathsep: |
| 57 | path = path + os.pathsep |
| 58 | path = path + tcldir |
| 59 | os.environ["PATH"] = path |
| 60 | os.putenv("PATH", path) |
| 61 | try: |
| 62 | import _tkinter |
| 63 | except ImportError, message: |
| 64 | sys.stderr.write(NO_TKINTER_MESSAGE % str(message)) |