Hello. The use of AST is a pretty way BUT you must not use *eval* or *exec*because of real security issues. It's easy to find explanations about that on the web.
Christophe 2013/11/3 Nils Bruin <nbr...@sfu.ca> > On Sunday, November 3, 2013 12:42:04 PM UTC-8, Nils Bruin wrote: > >> Note that you only have to do modifications on top level, so there is not >> much ast "walking" involved. >> > That is of course only true if you want that > > for i in range(1000): > i > > doesn't produce output (which I think is reasonable, but not what python's > command line does. I guess compile(...,...,"single") does that. So perhaps > you'd want something along the lines of: > > S=""" > for i in range(10): > i+1 > for j in range(10): > j-1 > """ > > def execute_block_interactively(code_string): > M=ast.parse(code_string) > c=compile(ast.Interactive(M.body),"<string>","single") > eval(c) > > execute_block_interactively(S) > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
