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Showing posts with the label Generator

How To Run Generator Code In Parallel?

I have code like this: def generator(): while True: # do slow calculation yield… Read more How To Run Generator Code In Parallel?

Is This An Efficient Way To Generate The Thue-morse Sequence In Python?

Is using a generator as in the code below, an efficient way to generate the Thue-Morse sequence in … Read more Is This An Efficient Way To Generate The Thue-morse Sequence In Python?

Using Lookahead With Generators

I have implemented a generator-based scanner in Python that tokenizes a string into tuples of the f… Read more Using Lookahead With Generators

Trouble Unpacking List In A Customized Way

I'm trying to unpack some list which I've yielded within get_item() function. I know I can … Read more Trouble Unpacking List In A Customized Way

Generator Expression Evaluation With Several ... For ... In ... Parts

Question: What does Python do under the hood when it sees this kind of expression? sum(sum(i) for… Read more Generator Expression Evaluation With Several ... For ... In ... Parts

Create Pandas Dataframe From List Of Generators

I have to following question. Is there a way to build a DataFrame from a list of python Generator o… Read more Create Pandas Dataframe From List Of Generators

Can I Memoize A Python Generator?

I have a function called runquery that makes calls to a database and then yields the rows, one by o… Read more Can I Memoize A Python Generator?

Python - Best Way To Read A File And Break Out The Lines By A Delimeter

What is the best way to read a file and break out the lines by a delimeter. Data returned should be… Read more Python - Best Way To Read A File And Break Out The Lines By A Delimeter

Replacing 3 Lists With 2 Generators

I want to optimize my application using generators and instead of creating 3 lists I want to use 2 … Read more Replacing 3 Lists With 2 Generators

What's The Difference Between The Call/return Protocol Of Oldstyle And Newstyle Coroutines In Python?

I'm transitioning from old-style coroutines (where 'yield' returns a value supplied by … Read more What's The Difference Between The Call/return Protocol Of Oldstyle And Newstyle Coroutines In Python?

Using "yield" In A Function

I want to generate something like that in a function that receives 1 argument n using yield to gene… Read more Using "yield" In A Function

What's Wrong With My Use Of Generator Expression?

I have the following code, in which I try to convert a string representation of ranges to a list of… Read more What's Wrong With My Use Of Generator Expression?

Control Recursion On Nested Lists / Strings

Assume I have the following input: items = [1, 2, [3, 4], (5, 6), 'ciao', range(3), (i for … Read more Control Recursion On Nested Lists / Strings

Python: How To Append Generator Iteration Values To A List

I have a simple generator to give me permutations of a set of coordinates. I wish to save each new… Read more Python: How To Append Generator Iteration Values To A List

Generator And Context Manager At The Same Time

Imagine I have some code that I want it to run: with F() as o: while True: a = o.send(2… Read more Generator And Context Manager At The Same Time

Merge Of Lazy Streams (using Generators) In Python

I'm playing with functional capacities of Python 3 and I tried to implement classical algorithm… Read more Merge Of Lazy Streams (using Generators) In Python

Compute Mean In Python For A Generator

I'm doing some statistics work, I have a (large) collection of random numbers to compute the me… Read more Compute Mean In Python For A Generator

Python Create An Iterator/generator With Feedback

Is it possible to create a iterator/generator which will decide on the next value based on some res… Read more Python Create An Iterator/generator With Feedback

Python's Pep 484 Type Annotation For Generator Expression

What is the correct type annotation for a function that returns a generator expression? e.g.: def … Read more Python's Pep 484 Type Annotation For Generator Expression

Is There A Way To 'pause' Or Partially Consume A Generator In Python, Then Resume Consumption Later Where Left Off?

There is a related question here. I am attempting to do this project Euler challenge on HackerRank.… Read more Is There A Way To 'pause' Or Partially Consume A Generator In Python, Then Resume Consumption Later Where Left Off?