Nested list comprehension scope
The best way to explain my question is with an example:
scope
Why is one class variable not defined in list comprehension but another is?
I just read the answer to this question: Accessing class variables from a list comprehension in the class definition
Does filehandle get closed automatically in Python after it goes out of scope?
If I do the following, does filehandle get closed automatically as it goes out of scope in Python:
How to inject variable into scope with a decorator?
I’m trying to find a way to make a decorator that does something like injecting a name into the scope of another function (such that the name does not leak outside the decorator’s scope). For example, if I have a function that says to print a variable named var that has not been defined, I would like to define it within a decorator where it is called. Here is an example that breaks:
Python: Sharing global variables between modules and classes therein
I know that it’s possible to share a global variable across modules in Python. However, I would like to know the extent to which this is possible and why. For example,
globals and locals in python exec()
I’m trying to run a piece of python code using exec.
Scope of variable within “with” statement?
I am reading only firstline from python using :
How references to variables are resolved in Python
This message is a a bit long with many examples, but I hope it
will help me and others to better grasp the full story of variables
and attribute lookup in Python 2.7.
Getting “global name ‘foo’ is not defined” with Python’s timeit
I’m trying to find out how much time it takes to execute a Python statement, so I looked online and found that the standard library provides a module called timeit that purports to do exactly that:
Access self from decorator
In setUp() method of unittest I’ve setup some self variables, which are later referenced in actual tests. I’ve also created a decorator to do some logging. Is there a way in which I can access those self variables from decorator?