PyPi is currently experiencing downtime due to an upgrade gone wrong
https://status.python.org

/r/Python
https://redd.it/8cojrq

Ethereum Smart Contracts in Python: a comprehensive(ish) guide
https://medium.com/m/global-identity?redirectUrl=https://hackernoon.com/ethereum-smart-contracts-in-python-a-comprehensive-ish-guide-771b03990988

/r/Python
https://redd.it/8cmmx5

Taskpacker - a Python library for schedule optimization
https://github.com/Edinburgh-Genome-Foundry/Taskpacker

/r/Python
https://redd.it/8cofmh

New stable release of PySolFC — an open-source collection of over 1,000 card Solitaire/Mahjong games

[PySolFC](http://pysolfc.sourceforge.net/) is a free and open-source collection of over 1,000 card Solitaire and Mahjong games with many features and solver/analysis tools. It is almost [20 years old](http://solitaire.vegard2.net/pysol.html), and the current development efforts are concentrated on [the GitHub repository](https://github.com/shlomif/PySolFC).

The PySolFC developers are happy to announce a new stable release, 2.2.0, of PySolFC (the last one was in distant 2009!). Among the new features are:

* Compatibility with both Python 3.x and Python 2.7.
* Support for the Kivy user-interface toolkit, for Android devices and other systems.
* A Microsoft Windows binary installer.
* Support for dealing all [Freecell Pro deals](http://fc-solve.shlomifish.org/faq.html#what_are_ms_deals) by specifying "ms100000", or similar, as the seed.
* Support for the [Black Hole and All in a Row solver](http://www.shlomifish.org/open-source/projects/black-hole-solitaire-solver/) was added.
* Test suite and [CI](https://en.wikipedia.org/wiki/Continuous_integration) have been added to the repository.
* The code now passes [flake8](https://pypi.python.org/pypi/flake8) validation.

You can find [download links](https://sourceforge.net/projects/pysolfc/files/PySolFC/) for current Windows, source code, and Android versions.
Packages for Linux/BSD/etc. distributions and operating systems should be made
available soon from the downstream packagers.

Future plans:

* Vector-based fully scalable cards and graphics
* Large-scale cardsets for HD displays
* An online, WWW-based version

If you want to help, we need:

* Programmers
* Graphic designers who would help with improving the app’s look
* People to help with documentation and translations
* People who would spread the word
* Testers / QA people
* Monetary donations - see [this page](http://www.shlomifish.org/meta/how-to-help/)

We will gladly answer any questions!

Remember that apart from this thread you can also contact us using the [FOSS Card Games group](https://groups.google.com/forum/#!forum/foss-card-games), and using the ##pysol chat room on [Freenode](http://freenode.net/) (note the double octothorpe/hash-sign/pound-sign).

A final note is that while we are using GitHub for version control, and accept
pull requests and issue reports, we are still hosting the main site and the
downloads on SourceForge.net. See [the explanation](https://www.reddit.com/r/Python/comments/8237i3/help_is_needed_in_preparing_a_windows_binary/dv84xxu/)
for details.


/r/Python
https://redd.it/8cnoou

How can I dynamically change the file extension in a relative link from IPYNB to HTML when downloading a notebook as HTML?

I currently have a line inside a notebook (File1.ipynb):

[File 2](File2.ipynb)

When downloading both the files as HTML, this link is hard-coded, and hence when I click on the link in the generated *File1.html*, it can't find the file, because it refers to ipynb and not to html.

I could try:

* using sed to replace all occurrences of ipynb with html
* hard-coding html inside the notebook, which will prevent me from using the links when I'm editing the notebook.
But, is there an alternative?

Is there, perhaps, a way to specify two links inside the notebook such that if the browser fails to find the first one, it'll try the second? I tried searching for such a method. I couldn't find it.

/r/IPython
https://redd.it/8ct3ia

jQuery/AJAX get Request format?

I've got a post request working pretty well

$.post('/discount', {
time_left: distance / 60000,
ban_id: id
})

So say for example, with my get request, all I want to do is actually grab some data from Python Flask, namely in my /discount route I have a variable named d_code which is my discount code. All I simply want to do is grab this variable and in the function of the GET request, I want to change the innerHTML of a paragraph just to show the discount code.

Fairly simple, but I don't really understand how to do the get request correctly.


Bonus: Do you think a flask app with gunicorn can handle 10k-100k users a day? Hosted on Heroku.


/r/flask
https://redd.it/8crflf

[R] Multimodal Unsupervised Image-to-Image Translation

/r/MachineLearning
https://redd.it/8cram8

Postmortem of new PyPI rollout outage
https://status.python.org/incidents/1y1f44q6srh2

/r/Python
https://redd.it/8ctcan

Sending Email For Errors In Django - Stack Expressions
https://www.stackexpressions.com/sending-email-for-errors-django/

/r/djangolearning
https://redd.it/8cunbq

[N] TensorFlow 1.8.0 Release Candidate Announced
https://github.com/tensorflow/tensorflow/releases/tag/v1.8.0-rc0

/r/MachineLearning
https://redd.it/8cq4gj

[AF] Delete table in Flask, using flask-sqlalchemy?

So, I want to delete a table in my database, this being a table called Comments as I know it will only make for a terribly scaled flask app. do I just delete the code for the model in models.py and make a migration?

Here is my models.py if anyone is interested:

https://github.com/ModoUnreal/dopenet/blob/master/app/models.py

/r/flask
https://redd.it/8conl9

What's the difference between Statsmodel's Poisson and GLM with Poisson family?

For Statsmodels (imported as sm), I do not know what the difference is between

sm.Poisson(Y,X)

vs

sm.GLM(Y,X,family=sm.families.Poisson())

Also, another oddity is that with the former I have to use fit_regularize but with the latter, if I try to fit_regularize, I will get None when I try to get a summary.


/r/pystats
https://redd.it/8crlvg

Updating fields in another model with custom save

Hello,

I have a few models with custom save definitions. I am looking to update a field in one model when I save another model based on a date comparison between the two. Unfortunately, I can't get this to work. I was wondering if someone could check out my code and see what I'm doing wrong.

models.py

class Person(models.Model):
first_name = models.CharField(max_length=250)
relation_name = models.CharField(max_length=250, blank=True)
last_name = models.CharField(max_length=250)
village = models.ForeignKey(Village)
earliest_case = models.ForeignKey('Case', null=True, blank=True, related_name='person_to_earliest_case+')
latest_case = models.ForeignKey('Case', null=True, blank=True, related_name='person_to_latest_case+')

def save(self, *args, **kwargs):
try:
earliest_litigation = Case.objects.filter(litigants__person=self).order_by('session__date')[0]
except:
earliest_litigation = None
try:
earliest_pledge = Case.objects.filter(litigants__pledges__giver=self).order_by('receiver__case__session__date')[0]
except:
earliest_pledge = None

if earliest_litigation and earliest_pledge:
if earliest_litigation.session.date > earliest_pledge.session.date:
self.earliest_case = earliest_litigation
elif earliest_pledge.receiver.session.date > earliest_litigation.session.date:
self.earliest_case = earliest_pledge
elif earliest_litigation:
self.earliest_case = earliest_litigation
elif earliest_pledge:
self.earliest_case = earliest_pledge
else:
self.earliest_case = None

try:
latest_litigation = Case.objects.filter(litigants__person=self).order_by('-session__date')[0]
except:
latest_litigation = None
try:
latest_pledge = Case.objects.filter(litigants__pledges__giver=self).order_by('-receiver__case__session__date')[0]
except:
latest_pledge = None

if latest_litigation and latest_pledge:
if latest_litigation.session.date > latest_pledge.session.date:
self.latest_case = latest_litigation
elif latest_pledge.session.date > latest_litigation.session.date:
self.latest_case = latest_pledge
elif latest_litigation:
self.latest_case = latest_litigation
elif latest_pledge:
self.latest_case = latest_pledge
else:
self.latest_case = None
super(Person, self).save(*args, **kwargs)



class Litigant(models.Model):

person = models.ForeignKey(Person, on_delete=models.CASCADE, related_name='cases')
case = models.ForeignKey(Case, on_delete=models.CASCADE, related_name='litigants')
role = models.ForeignKey(Role, related_name='litigant_role')

def save(self, *args, **kwargs):
super(Litigant, self).save(*args, **kwargs)
person = Person.objects.get(pk=self.person)
earliest_litigation = person.earliest_case
latest_litigation = person.latest_case
if earliest_litigation:
if self.case.session.date < earliest_litigation.session.date:
person.earliest_case = self.case
person.save(update_fields=['earliest_case'])
if latest_litigation:
if self.case.session.date > latest_litigation.session.date:
person.latest_case = self.case
person.save(update_fields=['latest_case'])
else:
person.earliest_case = self.case
person.latest_case = self.case
person.save(update_fields=['earliest_case', 'latest_case'])


When I save a `Person` model instance it updates the `earliest` and `last` case references just fine. However, when I add them as a `Litigant` it doesn't up

date their `earliest` or `last` case references as I was hoping the custom save method in `Litigant` model would do.

Am I missing something obvious here?

Thanks in advance for any help!

/r/django
https://redd.it/8cslex

Jupyter Lab RKernel doesn't start. [Troubleshooting]

Hi, I am new to jupyter and also jupyter lab.
Installed it and it seems to work fine until i try to start the RKernel.
This is the error output from commandline.

the icu package is installed and the libicui18n.so file is located in /usr/lib/libicui18n.so

Error in dyn.load(file, DLLpath = DLLpath, ...) :
unable to load shared object '/home/johannes/R/x86_64-pc-linux-gnu-library/3.4/stringi/libs/stringi.so':
libicui18n.so.60: cannot open shared object file: No such file or directory
Calls: :: ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
Execution halted

In the console I start and work with R normally.
Python Kernel works fine.

I am using Arch Linux...
Is this a known beginner issue?

/r/IPython
https://redd.it/8cwby7

What's everyone working on this week?

Tell /r/python what you're working on this week! You can be bragging, grousing, sharing your passion, or explaining your pain. Talk about your current project or your pet project; whatever you want to share.


/r/Python
https://redd.it/8cwslw

I made a command-line tool that instantly fetches Stack Overflow results when you get a compiler error
https://github.com/shobrook/rebound

/r/Python
https://redd.it/8cwq72

Migrating our API Gateway from Flask to Django
https://tech.gadventures.com/migrating-our-api-gateway-from-flask-to-django-88a585c4df1a

/r/django
https://redd.it/8cxvlq

Jupyter and Scala

On jupyter website there is information about support for Scala. Has any of you used such a kernel?

/r/IPython
https://redd.it/8cutic

[Project] Working with StarCraft II AIs on Google's free Google Colab Environment
https://medium.com/@n0mad/how-i-trained-starcraft-2-ais-using-googles-free-gpus-44bc635b0418

/r/MachineLearning
https://redd.it/8cwhe2