[Tutor] airflow dag

Francois Dion francois.dion at gmail.com
Sun May 28 10:41:34 EDT 2017

My mailbox if full of similar stories: companies dumping airflow on their
ETL (or similar) group. Those who knew Python succeeded, those who didn't
failed, and some even moved to other companies because they couldn't cope
with all this complexity dumped on them all at once.

Moral of the story, it is best to learn python first, become good at it,
then get into specific tools.

And, of course, this is not specific to a relatively straightforward module
/ application like airflow. I've seen the same with scikit-learn. Same also
in other languages. And to make matters worse, the curricula (and books)
always starts with a crash course in a specific language, then go on and on
about the application, perpetuating the myth that learning the programming
language well is totally unimportant.


On Sun, May 28, 2017 at 9:46 AM, Alan Gauld via Tutor <tutor at python.org>

> On 28/05/17 04:37, shubham goyal wrote:
> > Does anybody have answer?
> You received two answers, both of which asked
> you to try something and get back to us for more
> information. Did you try printing sys.argv?
> What was the result?
> And did you try Peter's argparse code?
> You still haven't explained what your dag is?
> What library are you using? It may treat args
> in a non standard way, but we can't tell if
> you don't give us the information we need to
> help you.
> --
> Alan G
> Author of the Learn to Program web site
> http://www.alan-g.me.uk/
> http://www.amazon.com/author/alan_gauld
> Follow my photo-blog on Flickr at:
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