Python for Data Science and Machine Learning Bootcamp
https://medium.com/@amtoddstewart/learn-python-for-data-science-and-machine-learning-with-jose-portilla-1445beddf345

/r/Python
https://redd.it/6ye3n7

PEP 553 -- Built-in debug()
https://www.python.org/dev/peps/pep-0553/

/r/Python
https://redd.it/6ye30t

Creative Applications of Deep Learning python package (open-sourced TensorFlow models from MOOC)
https://github.com/pkmital/pycadl

/r/Python
https://redd.it/6ycuye

Help to redo Economics: The Agent-Based Computational Economics Library. I worked for 5 years and it is finally stable.
https://github.com/AB-CE/abce/releases/tag/0.9b

/r/Python
https://redd.it/6ybnhj

A journey of reproducibility from Excel to Pandas
https://www.software.ac.uk/blog/2017-09-01-lonely-journey-excel-pandas

/r/Python
https://redd.it/6yfrhh

Any Python project for students?

Hi, Reddit! I'm a student of MIPT and I have a course about programming and innovations (not really innovations, administration just calls it this way), and during this course we will have to create different "innovative" projects in small teams (about 2 - 3 student per team). These projects don't have to be really innovative, but it's also not a good idea to create someting that was created thousands times before, like TODO application. Unfortunately, I don't have any good ideas for such project! The only one I have is to create some kind of Wolfram Alpha analogue using Telegram Bot and SymPy.
So, do you have any ideas, what should we (my team and I) implement? Any help will be appreciated!

/r/Python
https://redd.it/6yg2qx

A Python module for parallel optimization of expensive black-box functions
https://github.com/paulknysh/blackbox

/r/Python
https://redd.it/6yg0d6

Problem with Flask-SQLAlchemy

Hi, everybody. I'm trying to pass an HTML text (a tag text) to a table using "db.session.Model(HTML)", but I get "sqlalchemy.exc.InterfaceError: (sqlite3.InterfaceError) Error binding parameter 0 - probably unsupported type." If I then pass "HTML" inside a str() function, to turn it into a string, I get "sqlalchemy.orm.exc.UnmappedInstanceError: Class 'builtins.str' is not mapped".

Does anyone know how to solve that problem?

/r/flask
https://redd.it/6wsbz0

Easiest way to send information to a site

Hi all,

I have a site running on pythonanywhere that uses a database to display information to users. The problem is that pythonanywhere doesn't let you remotely write to a database so it is a pain to update the database and I'm looking for a way to automate it. I was thinking of having a specific route in which I could send it a list of values and these values would be written to the database. I was looking and it seems that an API would be an option. I'm not in the mood to learn how to create an API right now if I don't have to. Is there an easier way to do this? Basically I would like to have a python script running on my home computer then at a certain point, it accesses the appropriate page (using requests or something like that) and these values get written to the database.


Thanks

/r/flask
https://redd.it/6wr416

DjangoCon 2017 Videos are up and a question!

Firstly, I know a lot of people have been waiting, but the [recordings from DjangoCon 2017 are finally up!](https://www.youtube.com/channel/UC0yY6a79pPY9J0ShIHRf6yw/videos)

Secondly, I want to know from you, the community, what would you like to see covered next year?

/r/django
https://redd.it/6yio1q

The Incredible Growth of Python
https://stackoverflow.blog/2017/09/06/incredible-growth-python/

/r/Python
https://redd.it/6ygxne

How do I perform additional functions on my database ?

I have created a Django app that is based on a database on product sales. Besides, displaying the data in tables, I want to perform and show some statistics on them, ex. min, max, average etc.

I am not sure how to do that and where the code should reside, perhaps in views.py.

Below it is a simple example of what I have:

models.py

from django.db import models

class Sale(models.Model):
date = models.DateTimeField()
customer_name = models.CharField(max_length=264)
product = models.CharField(max_length=264)
amount = models.PositiveIntegerField()
value = models.DecimalField(max_digits=10, decimal_places=3)


views.py

from django.views.generic import DetailView, ListView
from . import models


class SalesView(ListView):
context_object_name = "sales"
model = models.Sale
template_name = "sales.html"

def get_queryset(self):
return models.Sale.objects.all().order_by("-timestamp")



/r/django
https://redd.it/6yjd9h

[AF] Flask.Session + ReactJS. Session not persisting after component change.

I have two components. Login and Main.

The initial view is Login, which sends a username and password to the Flask server using [Axios API ](https://github.com/mzabriskie/axios) and if the credentials are valid, a session is set, and the server sends back a JSON with a hashed user ID and status code.

The component then switches to Main. However when I make any HTTP request within the Main component, (POST, GET, DELETE), the session key which I made when login is valid no longer exists.

Could this problem be server-side?

/r/flask
https://redd.it/6yjul1

Python Slack Community: PySlackers. 8,500 users strong

We have commented a couple times about our python slack community, but I would like to make an official post about it now.

We are PySlackers, a community driven slack group of ~8,500 users from all over the world and all levels of experience. We have popular channels for most topics people care about such as:

#flask
#django
#devops
#async
#beer_geeks

and even many based on location like `#i18n_nyc` and more.


We would like to invite you all to our great community. You can find our website over at https://pyslackers.com where you can find a big button to automatically join our community. We also have a few community projects (`#community_projects`) where we are working on the website (django) and a slack bot (aiohttp) and are talking about others.

You can also find us on github at:
https://github.com/pyslackers

If you want to give back to the community and want to learn how to build things. We are also open to new ideas.

So on behalf of the other admins, we invite you all to join, and grow with us and the rest of the community and write some python!

Shawn (autoferrit)

/r/Python
https://redd.it/6yh5uy

Realtime Reddit Feed App

Hey everyone!

Just wanted to show off something useless as hell that I made, but kinda cool to look at. I use it to view the latest news coming in when I'm surfing the web. I'll glance back at it every few min to see what's happening in the news.

[Here's a video of it](https://streamable.com/5yst8). I'm in the process of getting hosting and then i'll have this running on a webpage showing news, and maybe have a separate page streaming /r/all, and i'll probably have it wipe that every couple hours.

I have a similar python script that can stream comments in real time from a particular subreddit or /r/all, and use keyword filters.

If i wanted to, I can easily make a bot out of these scripts and set up an auto-reply or do whatever to certain submissions or comment phrases.

I dont plan on making any money off of these. I'm hoping I can make some type of web app where people can pull up their own custom feed view and define what subreddits and/or keywords they want to filter out on their end.

/r/Python
https://redd.it/6yltvu

[AF] Jinja and Flask Routing

Hi, i'm currently trying to route something in my apps and i don't know how to make it work. I have this route in my flask app and it's working when i'm writing typing http://127.0.0.1:5000/user/Sam

@app.route('/user/<username>')
def crypto(username):

return render_template('crypto.html', username=username)


Where it's not working it's my Navbar i'm trying to make a link with Jinja to get to /user/Sam
<a class="nav-link" href="{{ url_for('user', username=username) }}">User</a>
But it's only give me http://127.0.0.1:5000/user/ what i'm missing to get the username to my link?

/r/flask
https://redd.it/6ylud9

I scraped planetPython.org and got 10 years worth of Python history!
http://python-station.etlsh.com/#/

/r/Python
https://redd.it/6ylrg7

Using email for authentication (with username now at 150 characters)

In my current app I don't need users to have a username (although there is the slight possibility that it may be needed later) and I would prefer them to signup with an email instead.

The docs and also this blog post show how to have authentication without a username, but it looks pretty convulted to get things working.
https://docs.djangoproject.com/en/1.11/topics/auth/customizing/#a-full-example
https://www.caktusgroup.com/blog/2013/08/07/migrating-custom-user-model-django/

However now that django has had the username limit lifted to 150 characters could I just set username field to email? and live with the outside risk of a long email

(- or do better approach of setting it to `sha256(user.email).hexdigest()[:150]`
and setting
```
class User(AbstractUser):
class Meta:
unique_together = ('email', )
```

from here: https://stackoverflow.com/questions/15597188/using-email-as-username-field-in-django-1-5-custom-user-model-results-in-fielder)

Is there any downside to this approach?


/r/django
https://redd.it/6ygh8m

A New C API for CPython
https://haypo.github.io/new-python-c-api.html

/r/Python
https://redd.it/6ymnvg

Anyone using the Pyramid framework?

I believe that Reddit does (and do correct me if I'm wrong), but other than that it hardly gets any press like Django and Flask do? Is anyone using it? What is your experience like?

/r/Python
https://redd.it/6yn74i