init

2026-02-12 23:22:11 +08:00
parent 7b09eb3d89
commit 89660bba4e
5988 changed files with 2517516 additions and 0 deletions
@@ -0,0 +1,101 @@
+import sys, os
+import vtkmodules
+from vtkmodules.vtkCommonCore import vtkVersion
+
+def vtkLoadPythonTkWidgets(interp):
+    """vtkLoadPythonTkWidgets(interp) -- load vtk-tk widget extensions
+
+    This is a mess of mixed python and tcl code that searches for the
+    shared object file that contains the python-vtk-tk widgets.  Both
+    the python path and the tcl path are searched.
+    """
+    modname = 'vtkRenderingTk'
+    VTK_VERSIONED_INSTALL = "ON"
+    VTK_CUSTOM_LIBRARY_VERSION = "9.5"
+    if VTK_VERSIONED_INSTALL in ("0", "OFF", "NO", "FALSE", "N"):
+        name = modname
+    elif VTK_CUSTOM_LIBRARY_VERSION:
+        name = '%s-%s' % (modname,VTK_CUSTOM_LIBRARY_VERSION)
+    else:
+        X = vtkVersion.GetVTKMajorVersion()
+        Y = vtkVersion.GetVTKMinorVersion()
+        name = '%s-%d.%d' % (modname,X,Y)
+    pkgname = modname.lower().capitalize()
+
+    # find out if the module is already loaded
+    loadedpkgs = interp.call('info', 'loaded')
+    found = False
+    try:
+        # check for result returned as a string
+        found = (loadedpkgs.find(pkgname) >= 0)
+    except AttributeError:
+        # check for result returned as nested tuples
+        for pkgtuple in loadedpkgs:
+            found |= (pkgname in pkgtuple)
+    if found:
+        return
+
+    # create the platform-dependent file name
+    prefix = ''
+    if sys.platform == 'cygwin':
+        prefix = 'cyg'
+    elif os.name == 'posix':
+        prefix = 'lib'
+    extension = interp.call('info', 'sharedlibextension')
+    filename = prefix+name+extension
+
+    # create an list of paths to search
+    vtkmodules_dir = os.path.dirname(vtkmodules.__file__)
+    pathlist = [vtkmodules_dir]
+
+    # a likely relative path for linux
+    if sys.platform == 'linux':
+        package_dir = os.path.dirname(vtkmodules_dir)
+        python_dir = os.path.dirname(package_dir)
+        if os.path.basename(python_dir).startswith('python'):
+            lib_dir = os.path.dirname(python_dir)
+            if os.path.basename(lib_dir).startswith('lib'):
+                pathlist.append(lib_dir)
+
+    # add tcl paths, ensure that {} is handled properly
+    try:
+        auto_paths = interp.getvar('auto_path').split()
+    except AttributeError:
+        auto_paths = interp.getvar('auto_path')
+    for path in auto_paths:
+        prev = str(pathlist[-1])
+        try:
+            # try block needed when one uses Gordon McMillan's Python
+            # Installer.
+            if len(prev) > 0 and prev[0] == '{' and prev[-1] != '}':
+                pathlist[-1] = prev+' '+path
+            else:
+                pathlist.append(path)
+        except AttributeError:
+            pass
+
+    # a common installation path
+    if os.name == 'posix':
+        pathlist.append('/usr/local/lib')
+
+    # attempt to load
+    for path in pathlist:
+        try:
+            # If the path object is not str, it means that it is a
+            # Tkinter path object.
+            if not isinstance(path, str):
+                path = path.string
+            # try block needed when one uses Gordon McMillan's Python
+            # Installer.
+            if len(path) > 0 and path[0] == '{' and path[-1] == '}':
+                path = path[1:-1]
+            fullpath = os.path.join(path, filename)
+        except AttributeError:
+            pass
+        if ' ' in fullpath:
+            fullpath = '{'+fullpath+'}'
+        if interp.eval('catch {load '+fullpath+' '+pkgname+'}') == '0':
+            return
+
+    # re-generate the error
+    interp.call('load', filename, pkgname)