python Programming Glossary: literal_eval

http://stackoverflow.com/questions/1087255/use-of-eval-in-python

dynamic Python sources I'd reach for the ast module ast.literal_eval is MUCH safer than eval you can call it directly on a string.. it with suitable visitors e.g. for variable lookup then literal_eval the node or once having put the node in proper shape and vetted.. object out of that. Far less simple except that ast.literal_eval is just as simple as eval for the simplest cases but safer and..

Why does this string not work with ast.literal_eval

http://stackoverflow.com/questions/12080197/why-does-this-string-not-work-with-ast-literal-eval

does this string not work with ast.literal_eval I get a malformed string error. Here is my testings eval 'Hello.. eval 'Hello ' 'fdsfds' 'Hello fdsfds' import ast ast.literal_eval 'Hello ' 'fdsfds' Traceback most recent call last File pyshell#4.. most recent call last File pyshell#4 line 1 in module ast.literal_eval 'Hello ' 'fdsfds' File C Python27 lib ast.py line 80 in literal_eval..

How to convert list of elements to their default types

http://stackoverflow.com/questions/18656498/how-to-convert-list-of-elements-to-their-default-types

list share improve this question You can use ast.literal_eval and some exception handling from ast import literal_eval lis.. and some exception handling from ast import literal_eval lis 'Savannah' '234Today' '4.5678' '23456' '0.2342429' def solve.. '4.5678' '23456' '0.2342429' def solve x try return literal_eval x except ValueError SyntaxError return x ... map solve lis 'Savannah'..

Convert string to list. Python [string.split() acting weird]

http://stackoverflow.com/questions/18966798/convert-string-to-list-python-string-split-acting-weird

string list split share improve this question Use ast.literal_eval Safely evaluate an expression node or a Unicode or Latin 1 encoded.. tuples lists dicts booleans and None. from ast import literal_eval temp 'a' 'b' 'c' l literal_eval temp l 'a' 'b' 'c' type l type.. and None. from ast import literal_eval temp 'a' 'b' 'c' l literal_eval temp l 'a' 'b' 'c' type l type 'list' share improve this answer..

Is it ever useful to use Python's input over raw_input?

http://stackoverflow.com/questions/7709022/is-it-ever-useful-to-use-pythons-input-over-raw-input

advanced functionality. If you need expressions use ast.literal_eval raw_input the literal_eval function is safe. If you're writing.. If you need expressions use ast.literal_eval raw_input the literal_eval function is safe. If you're writing for advanced users give..

How to remove all the escape sequences from a list of strings?

http://stackoverflow.com/questions/8115261/how-to-remove-all-the-escape-sequences-from-a-list-of-strings

this question Something like this from ast import literal_eval s r'Hello nworld ' print literal_eval ' s' s Hello world Edit.. this from ast import literal_eval s r'Hello nworld ' print literal_eval ' s' s Hello world Edit ok that's not what you want. What you..

Converting a String to Dictionary?

http://stackoverflow.com/questions/988228/converting-a-string-to-dictionary

Starting in Python 2.6 you can use the built in ast.literal_eval import ast ast.literal_eval 'muffin' 'lolz' 'foo' 'kitty' 'muffin'.. you can use the built in ast.literal_eval import ast ast.literal_eval 'muffin' 'lolz' 'foo' 'kitty' 'muffin' 'lolz' 'foo' 'kitty'.. is safer than using eval . As its own docs say help ast.literal_eval Help on function literal_eval in module ast literal_eval node_or_string..