python Programming Glossary: eval

Difference between __str__ and __repr__ in Python

http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python

the 𩃀val thing comes up if you have enough information so eval repr c c that means you know everything there is to know about.. have enough information about c anyway. I usually use an eval like format MyClass this r that r self.this self.that . It does..

Python float - str - float weirdness

http://stackoverflow.com/questions/1778368/python-float-str-float-weirdness

wikipedia article Note float repr 0.47000000000000003 or eval repr 0.47000000000000003 will give you the expected result but..

Evaluating a mathematical expression in a string

http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string

invalid literal for int with base 10 '2^4' I know that eval can work around this but isn't there a better and more importantly.. isn't there a better and more importantly safer method to evaluate a mathematical expression that is being stored in a string.. round sgn lambda a abs a epsilon and cmp a 0 or 0 def evaluateStack self s op s.pop if op 'unary ' return self.evaluateStack..

Calling a function from a string with the function's name in Python

http://stackoverflow.com/questions/3061/calling-a-function-from-a-string-with-the-functions-name-in-python

return value of the function which is why I don't just use eval . I figured out how to do it by using eval to define a temp.. don't just use eval . I figured out how to do it by using eval to define a temp function that returns the result of that function..

What's the difference between raw_input() and input() in python3.x?

http://stackoverflow.com/questions/4915361/whats-the-difference-between-raw-input-and-input-in-python3-x

Security of Python's eval() on untrusted strings?

http://stackoverflow.com/questions/661084/security-of-pythons-eval-on-untrusted-strings

of Python's eval on untrusted strings If I am evaluating a Python string using.. of Python's eval on untrusted strings If I am evaluating a Python string using eval and have a class like class.. strings If I am evaluating a Python string using eval and have a class like class Foo object a 3 def bar self x return..

How do I execute a string containing Python code in Python?

http://stackoverflow.com/questions/701802/how-do-i-execute-a-string-containing-python-code-in-python

Hello world When you need the value of an expression use eval . eg x eval 2 2 x 4 However the first step should be to ask.. When you need the value of an expression use eval . eg x eval 2 2 x 4 However the first step should be to ask yourself if..

Converting a String to Dictionary?

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

a dict s 'muffin' 'lolz' 'foo' 'kitty' I prefer not to use eval . What else can I use The main reason for this is one of my.. in Python 2.6 you can use the built in ast.literal_eval import ast ast.literal_eval 'muffin' 'lolz' 'foo' 'kitty' 'muffin'.. use the built in ast.literal_eval import ast ast.literal_eval 'muffin' 'lolz' 'foo' 'kitty' 'muffin' 'lolz' 'foo' 'kitty'..

Safety of Python 'eval' For List Deserialization

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

storage and eventually read back into memory with eval. Eval deserialized the strings from persistent storage much faster..

Python Drop into REPL (Read, Eval, Print, Loop)

http://stackoverflow.com/questions/1395913/python-drop-into-repl-read-eval-print-loop

Drop into REPL Read Eval Print Loop Is there a way to programmatically force a Python..

Weird Integer Cache inside Python 2.6

http://stackoverflow.com/questions/15171695/weird-integer-cache-inside-python-2-6

to CFG PyFuture_FromAST PySymtable_Build co compiler_mod PyEval_EvalCode co ... PyEval_EvalCodeEx Then I added some debug code.. PyFuture_FromAST PySymtable_Build co compiler_mod PyEval_EvalCode co ... PyEval_EvalCodeEx Then I added some debug code in.. PySymtable_Build co compiler_mod PyEval_EvalCode co ... PyEval_EvalCodeEx Then I added some debug code in PyInt_FromLong and..

Python - Zelle book uses eval(), is it wrong?

http://stackoverflow.com/questions/15995787/python-zelle-book-uses-eval-is-it-wrong

it emphasizes the concept of expression evaluation. Eval exposes all the power and danger of an interpreted language...

What are good ways to make my Python code run first time?

http://stackoverflow.com/questions/299704/what-are-good-ways-to-make-my-python-code-run-first-time

IPython is a great improvement over the built in REPL Read Eval Print Loop . If you actually want to step through your code..

What is an expression in Python?

http://stackoverflow.com/questions/4782590/what-is-an-expression-in-python

evaluates the string as if it were a python expression. Eval does takes an expression as an argument. However there's nothing..

Security of Python's eval() on untrusted strings?

http://stackoverflow.com/questions/661084/security-of-pythons-eval-on-untrusted-strings

secure eval with a blacklist approach like this. See Eval really is dangerous for examples of input that will segfault..