Hi all, Below are the notes from April 2021 edition
This meetup took place online on Jitsi. Mr VijayKumar hosted the meetup. *Introduction* - Mr Vijay Kumar informed all about the objectives of the meetup. What is and what is not. - He also emphasized that it's ok to not know everything from the talk, take notes and discuss it later. *Talks* *Contribution to Open Source By Ramya Govind* - This was Ramya's first talk and very well delivered. - She started with the definition of Open Source and 8 steps process to contribute to projects/repository. - Then we had a walk through of how she got a PR merged and what was the journey. - In the end, she reminded us that Hacktoberfest 2021 should be on our watch list especially for first timers. *Power of PyTest Fixtures By Kamesh* - Kamesh started with recalling Nose tests in python, how it outdated and not much actively maintained. - Then had an introduction to PyTest. He quickly dived into the codebase of his flask app, where he showed how Pytests are written and what role fixtures play. - He then demonstrated reuse of fixtures with a DB example. Furthermore, fixture and Pytest parameterization for exhaustive functional tests. - - In the end Vijay Kumar commented on hacks of Pytests and a great place to get started. *Motion Controller with the Microbit By Vijay Kumar* - Vijay started with motivation for the talk. Quality family time and fitness is important especially during Corona. There are alternatives in the market such as ring con from Nintendo. But building stuff from scratch is more fun. - - Micro bit is perfect to get started for such projects. It has bluetooth to connect to the computer and sensors. - - Vijay then showed how he used Microbit in 3 different ways in videos. He used Chrome's Offline Dino game to pair with Microbit. He used button clicks to jump the dino. In another way there was an accelerometer via squatting(my favorite) to make dino jump. - - During QA, Gaurav asked about multiplayer usage and advanced sensors and Vijay replied "We can do a lot and only limited by imagination". :) *Luigi for automated data pipeline By Sundara Raman Narayanan* - Sundara started the talk by showing a task flow pipeline that he will achieve via Luigi. Luigi is a python package to build complex pipelines. - - He then showed the relevant code for the pipeline. The pipeline was related to stock price prediction and how he used Yahoo finance APIs smartly to get reports. - - In QA, there were questions on reliability of Yahoo APIs, cleaned data, closed and adjusted closed metrics. Questions were answered very well by Sundara. Last but not the least. *Introduction to Regular Expressions By Godson* Godson started with introduction to Regex and where we use Regex. He then quickly divided into different components of Regex. And there was good discussion on Metacharacters in Regex. All things about Meta characters. Then he showed some demos using python code. In the end there was exercise for the audience, which was fun. *Closing Note:* After all the talks, Vijay concluded the meetup with closing remarks and thanked "Audience and speakers". *Personal note:* --- It was quite nostalgic to attend ChennaiPy online from Amsterdam. It took me back to the memory lane of Chennai and how talks were held at IMSc, Ramanujan auditorium on Saturday afternoon. It was great to hear Vijay's soothing voice again. I am still surprised that Vijay hasn't run out of talks, just kidding. I really liked how talks were kept short to 10 mins and quality was top notch. "Never Change ChennaiPy". Great community. Thanks again. Cheers P.S: Sorry for the delay in sending out the meeting minutes Regards Gaurav Sehrawat Twitter <https://twitter.com/Root3d> Github <https://github.com/igauravsehrawat>
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