environment/lib/python2.7/site-packages/IPython/core/alias.py
def expand_aliases(self, fn, rest):
        """Expand multiple levels of aliases:

        if:

        alias foo bar /tmp
        alias baz foo

        then:

        baz huhhahhei -> bar /tmp huhhahhei
        """
        line = fn + " " + rest

        done = set()
        while 1:
            pre,_,fn,rest = split_user_input(line, shell_line_split)
            if fn in self.alias_table:
                if fn in done:
                    warn("Cyclic alias definition, repeated '%s'" % fn)
                    return ""
                done.add(fn)

                l2 = self.transform_alias(fn, rest)
                if l2 == line:
                    break
                # ls -> ls -F should not recurse forever
                if l2.split(None,1)[0] == line.split(None,1)[0]:
                    line = l2
                    break
                line=l2
            else:
                break

        return line
def expand_aliases(self, fn, rest):
        """Expand multiple levels of aliases:

        if:

        alias foo bar /tmp
        alias baz foo

        then:

        baz huhhahhei -> bar /tmp huhhahhei
        """
        line = fn + " " + rest

        done = set()
        while 1:
            pre,_,fn,rest = split_user_input(line, shell_line_split)
            if fn in self.alias_table:
                if fn in done:
                    warn("Cyclic alias definition, repeated '%s'" % fn)
                    return ""
                done.add(fn)

                l2 = self.transform_alias(fn, rest)
                if l2 == line:
                    break
                # ls -> ls -F should not recurse forever
                if l2.split(None,1)[0] == line.split(None,1)[0]:
                    line = l2
                    break
                line=l2
            else:
                break

        return line
def expand_aliases ( self , fn , rest ) : line = fn + " " + rest done = set ( ) while 1 : pre , _ , fn , rest = split_user_input ( line , shell_line_split ) if fn in self . alias_table : if fn in done : warn ( "Cyclic alias definition, repeated '%s'" % fn ) return "" done . add ( fn ) l2 = self . transform_alias ( fn , rest ) if l2 == line : break # ls -> ls -F should not recurse forever if l2 . split ( None , 1 ) [ 0 ] == line . split ( None , 1 ) [ 0 ] : line = l2 break line = l2 else : break return line
Expand multiple levels of aliases:

        if:

        alias foo bar /tmp
        alias baz foo

        then:

        baz huhhahhei -> bar /tmp huhhahhei
Expand multiple levels of aliases :