sending DNS queries asynchronously with asyncio and dnspython

Say I want to send various types of DNS queries (A, AAAA, NS, SOA, DNSKEY, NSEC3, DS, etc) for Alexa top 1M sites using dnspython. Doing this one by one would take a bit long, since I'm sending...

How should I configure Redis for Django Channels 2.0?

I'm getting an error sometimes when I run a Worker of Django Channels as Background Task. The task consumes an open third-party WebSocket with a library called Pysher, processes that data, and...

aiodns can't contact DNS servers error when running in OS X terminal

Following code snippet fetches multiple public DNS servers asynchronously. If script is executed in PyCharm it works perfectly and resolves all given resolvers with very few errors (~14 errors in...

PyCares - Fatal Python error: PyImport_GetModuleDict: no module dictionary

I've been trying to get a script to run on a Windows server. It runs fine on my Mac, but keeps throwing an error at the end of the script. The output from the script is as expected and completes...

Zipfile fails to unzip files present in an NFS drive

Existing Workflow: Celery Task periodically pulls a zip file from S3 bucket to /tmp/ and zipfile extracts that to a new folder for processing. Challenge: The zip file being variable in size, made...

Autoscale celery workers having complex Celery Chains

I'm trying to draft out how autoscaling would work with celery having complex chain based workflows. Current Flow: 30 CSVs are downloaded (every 6 hours) then a celery group is created to monitor...

Importing the numpy c-extensions failed in MacOS

Importing the numpy c-extensions failed I am trying to use numpy in terminal, when i imported it it returned an error.But whe I import numpy in pytharm Python Console,it worked well.I have python...

Could not build wheels since package wheel is not installed

I am having this problem with wheels: 'Could not build wheels for ..., since package 'wheel' is not installed.' with several packages and I have no idea what to do since - as you can see in the...

Cannot install python program twint

I tried installing twint via pip and it seems to have installed correctly but isn't available to run: [email protected]:~$ mkdir ~/twint [email protected]:~$ cd ~/twint/ [email protected]:~/twint$ pip3 install...

pip install error: Microsoft Visual C++ 14.0 or greater is required

I want to install Twint with: pip install twint But it failed and generating this error: ERROR: Command errored out with exit status 1: command:...

Building Wheel For Pycares (Setup.Py) Error

This is my first time ever posting to Stack Overflow, so my apologies for any inadvertent cringe. I'm attempting to install twint on a Macbook Pro (late 2013) running macOS Mojave version...

Constant errors when installing ccxt module in python

New to python but not to coding and just getting to grips with installing modules. Seem to get pretty far when installing ccxt with py -m pip install ccxt except it keeps throwing an error: ERROR:...

Failed to run TA-lib Python on Heroku

I want to deploy an app using Heroku but it did not manage to build it. See my build logs under this message. It looks that my problem is that it cannot load/install Ta-Lib (package that I want to...

cannot install pycares using pip3

I'm trying to install pycares using the command pip3 install pycares but the following enormous error is generated. I'm sure there are some additional tools I probably need to install prior to...

macOS Big Sur: _cffi_backend.cpython-39-darwin.so: mach-o, but wrong architecture

When trying to install pycares on my mac (Big Sur 11.3.1) with pip3 install -r pycares I get the following error: Collecting pycares Using cached pycares-4.0.0.tar.gz (819 kB) ERROR: Command...