removed

lib/python/Products/PageTemplates/PathIterator.py

-##############################################################################
-#
-# Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE
-#
-##############################################################################
-
-"""Path Iterator
-
-A TALES Iterator with the ability to use first() and last() on
-subpaths of elements.
-"""
-
-__version__='$Revision: 1.4 $'[11:-2]
-
-import TALES
-from Expressions import restrictedTraverse, Undefs, getSecurityManager
-
-class Iterator(TALES.Iterator):
-    def __bobo_traverse__(self, REQUEST, name):
-        if name in ('first', 'last'):
-            path = REQUEST['TraversalRequestNameStack']
-            names = list(path)
-            names.reverse()
-            path[:] = [tuple(names)]
-        return getattr(self, name)
-
-    def same_part(self, name, ob1, ob2):
-        if name is None:
-            return ob1 == ob2
-        if isinstance(name, type('')):
-            name = name.split('/')
-        name = filter(None, name)
-        securityManager = getSecurityManager()
-        try:
-            ob1 = restrictedTraverse(ob1, name, securityManager)
-            ob2 = restrictedTraverse(ob2, name, securityManager)
-        except Undefs:
-            return 0
-        return ob1 == ob2

lib/python/Products/PageTemplates/PythonExpr.py

-##############################################################################
-#
-# Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE
-#
-##############################################################################
-
-"""Generic Python Expression Handler
-"""
-
-__version__='$Revision: 1.13 $'[11:-2]
-
-from TALES import CompilerError
-from sys import exc_info
-from DeferExpr import DeferWrapper
-
-class getSecurityManager:
-    '''Null security manager'''
-    def validate(self, *args, **kwargs):
-        return 1
-    addContext = removeContext = validate
-
-class PythonExpr:
-    def __init__(self, name, expr, engine):
-        self.expr = expr = expr.strip().replace('\n', ' ')
-        try:
-            d = {}
-            exec 'def f():\n return %s\n' % expr.strip() in d
-            self._f = d['f']
-        except:
-            raise CompilerError, ('Python expression error:\n'
-                                  '%s: %s') % exc_info()[:2]
-        self._get_used_names()
-
-    def _get_used_names(self):
-        self._f_varnames = vnames = []
-        for vname in self._f.func_code.co_names:
-            if vname[0] not in '$_':
-                vnames.append(vname)
-
-    def _bind_used_names(self, econtext, _marker=[]):
-        # Bind template variables
-        names = {'CONTEXTS': econtext.contexts}
-        vars = econtext.vars
-        getType = econtext.getCompiler().getTypes().get
-        for vname in self._f_varnames:
-            val = vars.get(vname, _marker)
-            if val is _marker:
-                has = val = getType(vname)
-                if has:
-                    val = ExprTypeProxy(vname, val, econtext)
-                    names[vname] = val
-            else:
-                names[vname] = val
-        for key, val in names.items():
-            if isinstance(val, DeferWrapper):
-                names[key] = val()
-        return names
-
-    def __call__(self, econtext):
-        __traceback_info__ = self.expr
-        f = self._f
-        f.func_globals.update(self._bind_used_names(econtext))
-        return f()
-
-    def __str__(self):
-        return 'Python expression "%s"' % self.expr
-    def __repr__(self):
-        return '<PythonExpr %s>' % self.expr
-
-class ExprTypeProxy:
-    '''Class that proxies access to an expression type handler'''
-    def __init__(self, name, handler, econtext):
-        self._name = name
-        self._handler = handler
-        self._econtext = econtext
-    def __call__(self, text):
-        return self._handler(self._name, text,
-                             self._econtext.getCompiler())(self._econtext)
-