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Showing posts with the label Eval

Converting Kwargs Into Variables?

How do I convert kwargs objects into local variables? I am a math teacher and I want to write a hel… Read more Converting Kwargs Into Variables?

Python Eval(compile(...), Sandbox), Globals Go In Sandbox Unless In Def, Why?

Consider the following: def test(s): globals()['a'] = s sandbox = {'test': tes… Read more Python Eval(compile(...), Sandbox), Globals Go In Sandbox Unless In Def, Why?

Eval() Does Not Assign Variable At Runtime

I use eval() to assign a list to a var: eval('mylist = [1,2,3]') but when I run it , I go… Read more Eval() Does Not Assign Variable At Runtime

Why Aren't Globals Copied When I Run Eval With A Globals Argument?

I'm having difficulty understanding how eval() behaves regarding the globals used in the evalua… Read more Why Aren't Globals Copied When I Run Eval With A Globals Argument?

Evaluating Dynamically Generated Statements In Python

I need to dynamically generate python code and execute it with eval() function. What I would like t… Read more Evaluating Dynamically Generated Statements In Python

Use Eval With Dictionary Without Losing Imported Modules In Python2

I have a string to be executed inside my python program and I want to change some variables in the … Read more Use Eval With Dictionary Without Losing Imported Modules In Python2

Evaluate Math Equations From Unsafe User Input In Python

I have a website where the user enters math equations (expressions) and then those equations are ev… Read more Evaluate Math Equations From Unsafe User Input In Python

Eval Fails In List Comprehension

Consider the following hypothetical code: class B(object): def __init__(self): self.b =… Read more Eval Fails In List Comprehension