rewritten cli, closed #275, #304

1 files changed, 0 insertions, 70 deletions

diff --git a/module/SafeEval.py b/module/SafeEval.py
deleted file mode 100644
index 8ec9766e6..000000000
--- a/module/SafeEval.py
+++ /dev/null
@@ -1,70 +0,0 @@
-## {{{ http://code.activestate.com/recipes/364469/ (r2)
-import compiler
-
-class Unsafe_Source_Error(Exception):
-    def __init__(self,error,descr = None,node = None):
-        self.error = error
-        self.descr = descr
-        self.node = node
-        self.lineno = getattr(node,"lineno",None)
-        
-    def __repr__(self):
-        return "Line %d.  %s: %s" % (self.lineno, self.error, self.descr)
-    __str__ = __repr__    
-           
-class SafeEval(object):
-    
-    def visit(self, node,**kw):
-        cls = node.__class__
-        meth = getattr(self,'visit'+cls.__name__,self.default)
-        return meth(node, **kw)
-            
-    def default(self, node, **kw):
-        for child in node.getChildNodes():
-            return self.visit(child, **kw)
-            
-    visitExpression = default
-    
-    def visitConst(self, node, **kw):
-        return node.value
-
-    def visitDict(self,node,**kw):
-        return dict([(self.visit(k),self.visit(v)) for k,v in node.items])
-        
-    def visitTuple(self,node, **kw):
-        return tuple(self.visit(i) for i in node.nodes)
-        
-    def visitList(self,node, **kw):
-        return [self.visit(i) for i in node.nodes]
-
-class SafeEvalWithErrors(SafeEval):
-
-    def default(self, node, **kw):
-        raise Unsafe_Source_Error("Unsupported source construct",
-                                node.__class__,node)
-            
-    def visitName(self,node, **kw):
-        if node.name == "None":
-            return None
-        elif node.name == "True":
-            return True
-        elif node.name == "False":
-            return False
-        else:
-            raise Unsafe_Source_Error("Strings must be quoted", 
-                                 node.name, node)
-                                 
-    # Add more specific errors if desired
-            
-
-def safe_eval(source, fail_on_error = True):
-    walker = fail_on_error and SafeEvalWithErrors() or SafeEval()
-    try:
-        ast = compiler.parse(source,"eval")
-    except SyntaxError, err:
-        raise
-    try:
-        return walker.visit(ast)
-    except Unsafe_Source_Error, err:
-        raise
-## end of http://code.activestate.com/recipes/364469/ }}}