ValueError: malformed string when using ast.literal_eval
It is widely known that using eval() is a potential security risk so the use of ast.literal_eval(node_or_string) is promoted
python-2.7
Why can I pass an instance method to multiprocessing.Process, but not a multiprocessing.Pool?
I am trying to write an application that applies a function concurrently with a multiprocessing.Pool. I would like this function to be an instance method (so I can define it differently in different subclasses). This doesn’t seem to be possible; as I have learned elsewhere, apparently bound methods can’t be pickled. So why does starting a multiprocessing.Process with a bound method as a target work? The following code:
Python: Exporting environment variables in subprocess.Popen(..)
I am having an issue with setting an environment variable on a call to subprocess.Popen. The environment variable does not seem to be getting set. Any suggestions on how to properly set environmental variables for a Python commandline call?
Python string literal concatenation
I can create a multi-line string using this syntax:
Get Excel-Style Column Names from Column Number
This is the code for providing the COLUMN name when the row and col ID is provided but when I give values like row = 1 and col = 104, it should return CZ, but it returns [email protected]
Multiple conditions with if/elif statements
I’m trying to get an if statement to trigger from more than one condition without rewriting the statement multiple times with different triggers. e.g.: if user_input == "look": print description if user_input == "look around": print description How would you condense those into one statement? I’ve tried using ‘or’ and it caused any raw_input at … Read more
python re.sub, only replace part of match
I am very new to python I need to match all cases by one regex expression and do a replacement. this is a sample substring –> desired result: <cross_sell id="123" sell_type="456"> –> <cross_sell> i am trying to do this in my code: myString = re.sub(r'<[A-Za-z0-9_]+(s[A-Za-z0-9_="s]+)', "", myString) instead of replacing everything after <cross_sell, it replaces … Read more
How do I check if raw input is integer in python 2.7?
Is there a method that I can use to check if a raw_input is an integer?
Rotating strings in Python
I was trying to make the string HELLO to OHELL in Python. But couldn’t get any way to rotate it without working with loops. How to code for it in just 1-2 lines so that I could get the desired pattern?
Chromedriver, Selenium – Automate downloads
I am using Selenium 2.43.0 with Python 2.7.5. At one point, the test clicks on a button which sends form information to the server. If the request is successful, the server responds with