python Programming Glossary: ast.literal_eval

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

such 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.. function 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..

Safety of Python 'eval' For List Deserialization

http://stackoverflow.com/questions/1112665/safety-of-python-eval-for-list-deserialization

It is indeed dangerous and the safest alternative is ast.literal_eval see the ast module in the standard library . You can of course..

Using python's eval() vs. ast.literal_eval()?

http://stackoverflow.com/questions/15197673/using-pythons-eval-vs-ast-literal-eval

python's eval vs. ast.literal_eval I have a situation with some code where eval came up as a possible.. as the function is called. See also the dangers of eval . ast.literal_eval raises an exception if the input isn't a valid Python datatype.. datatype so the code won't be executed if it's not. Use ast.literal_eval whenever you need eval . If you have Python expressions as an..

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

python list share improve this question You can use ast.literal_eval and some exception handling from ast import literal_eval lis..

convert string representation of list to list in python

http://stackoverflow.com/questions/1894269/convert-string-representation-of-list-to-list-in-python

share improve this question import ast x u' A B C D ' x ast.literal_eval x x 'A' 'B' 'C' ' D' x n.strip for n in x x 'A' 'B' 'C' 'D'.. x 'A' 'B' 'C' ' D' x n.strip for n in x x 'A' 'B' 'C' 'D' ast.literal_eval Safely evaluate an expression node or a string containing a..

Python: make eval safe

http://stackoverflow.com/questions/3513292/python-make-eval-safe

plain expressions using elementary type literals only use ast.literal_eval that's what it's for For anything fancier I recommend a parsing..

Safe expression parser in Python

http://stackoverflow.com/questions/3582403/safe-expression-parser-in-python

Do I need to write a full parser Is there something like ast.literal_eval but for expressions python parsing share improve this question..

Converting a string that represents a list, into an actual list object

http://stackoverflow.com/questions/5214344/converting-a-string-that-represents-a-list-into-an-actual-list-object

list type conversion share improve this question Use ast.literal_eval . import ast i ast.literal_eval ' 22 33 36 41 46 49 56 ' i 3.. this question Use ast.literal_eval . import ast i ast.literal_eval ' 22 33 36 41 46 49 56 ' i 3 41 share improve this answer..

How to create list field in django

http://stackoverflow.com/questions/5216162/how-to-create-list-field-in-django

storing complex types in your list. For this reason I used ast.literal_eval to enforce that only simple built in types can be stored as.. value value if isinstance value list return value return ast.literal_eval value def get_prep_value self value if value is None return.. unicode string and when pulled back out it is run through ast.literal_eval . Previously I suggested this solution from this blog post about..

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

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

Converting a String to Dictionary?

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

question Starting in Python 2.6 you can use the built in ast.literal_eval import ast ast.literal_eval 'muffin' 'lolz' 'foo' 'kitty' 'muffin'.. 2.6 you can use the built in ast.literal_eval import ast ast.literal_eval 'muffin' 'lolz' 'foo' 'kitty' 'muffin' 'lolz' 'foo' 'kitty'.. This 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..