| 1 | import sys, os |
|---|
| 2 | |
|---|
| 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 | # Expand symbolic links on Vista |
|---|
| 14 | try: |
|---|
| 15 | import ctypes |
|---|
| 16 | ctypes.windll.kernel32.GetFinalPathNameByHandleW |
|---|
| 17 | except (ImportError, AttributeError): |
|---|
| 18 | def convert_path(s): |
|---|
| 19 | return s |
|---|
| 20 | else: |
|---|
| 21 | def convert_path(s): |
|---|
| 22 | assert isinstance(s, str) # sys.prefix contains only bytes |
|---|
| 23 | udir = s.decode("mbcs") |
|---|
| 24 | hdir = ctypes.windll.kernel32.\ |
|---|
| 25 | CreateFileW(udir, 0x80, # FILE_READ_ATTRIBUTES |
|---|
| 26 | 1, # FILE_SHARE_READ |
|---|
| 27 | None, 3, # OPEN_EXISTING |
|---|
| 28 | 0x02000000, # FILE_FLAG_BACKUP_SEMANTICS |
|---|
| 29 | None) |
|---|
| 30 | if hdir == -1: |
|---|
| 31 | # Cannot open directory, give up |
|---|
| 32 | return s |
|---|
| 33 | buf = ctypes.create_unicode_buffer(u"", 32768) |
|---|
| 34 | res = ctypes.windll.kernel32.\ |
|---|
| 35 | GetFinalPathNameByHandleW(hdir, buf, len(buf), |
|---|
| 36 | 0) # VOLUME_NAME_DOS |
|---|
| 37 | ctypes.windll.kernel32.CloseHandle(hdir) |
|---|
| 38 | if res == 0: |
|---|
| 39 | # Conversion failed (e.g. network location) |
|---|
| 40 | return s |
|---|
| 41 | s = buf[:res].encode("mbcs") |
|---|
| 42 | # Ignore leading \\?\ |
|---|
| 43 | if s.startswith("\\\\?\\"): |
|---|
| 44 | s = s[4:] |
|---|
| 45 | if s.startswith("UNC"): |
|---|
| 46 | s = "\\" + s[3:] |
|---|
| 47 | return s |
|---|
| 48 | |
|---|
| 49 | prefix = os.path.join(sys.prefix,"tcl") |
|---|
| 50 | if not os.path.exists(prefix): |
|---|
| 51 | # devdir/externals/tcltk/lib |
|---|
| 52 | tcltk = 'tcltk' |
|---|
| 53 | if sys.maxsize > 2**31 - 1: |
|---|
| 54 | tcltk = 'tcltk64' |
|---|
| 55 | prefix = os.path.join(sys.prefix, "externals", tcltk, "lib") |
|---|
| 56 | prefix = os.path.abspath(prefix) |
|---|
| 57 | # if this does not exist, no further search is needed |
|---|
| 58 | if os.path.exists(prefix): |
|---|
| 59 | prefix = convert_path(prefix) |
|---|
| 60 | if "TCL_LIBRARY" not in os.environ: |
|---|
| 61 | for name in os.listdir(prefix): |
|---|
| 62 | if name.startswith("tcl"): |
|---|
| 63 | tcldir = os.path.join(prefix,name) |
|---|
| 64 | if os.path.isdir(tcldir): |
|---|
| 65 | os.environ["TCL_LIBRARY"] = tcldir |
|---|
| 66 | # Compute TK_LIBRARY, knowing that it has the same version |
|---|
| 67 | # as Tcl |
|---|
| 68 | import _tkinter |
|---|
| 69 | ver = str(_tkinter.TCL_VERSION) |
|---|
| 70 | if "TK_LIBRARY" not in os.environ: |
|---|
| 71 | v = os.path.join(prefix, 'tk'+ver) |
|---|
| 72 | if os.path.exists(os.path.join(v, "tclIndex")): |
|---|
| 73 | os.environ['TK_LIBRARY'] = v |
|---|
| 74 | # We don't know the Tix version, so we must search the entire |
|---|
| 75 | # directory |
|---|
| 76 | if "TIX_LIBRARY" not in os.environ: |
|---|
| 77 | for name in os.listdir(prefix): |
|---|
| 78 | if name.startswith("tix"): |
|---|
| 79 | tixdir = os.path.join(prefix,name) |
|---|
| 80 | if os.path.isdir(tixdir): |
|---|
| 81 | os.environ["TIX_LIBRARY"] = tixdir |
|---|
