AnjaneyuluBatta505

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AnjaneyuluBatta505

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Setting up Nginx, uWSGI and Python3
======================================

First off, I'm traditionally a PHP developer, but am looking at moving across to Python. I really struggled to find decent documentation on how to get a server up and running for deploying Python web applications from the point of view of someone coming from PHP. The main problems I came across with documentation were:

1) Only showed you how to run the server for a single web application.
2) Only showed you how to configure the app, not the server it was running on.

My preferred workflow for development is by setting up a new VM in VMware Fusion and then forwarding through all requests to that VM via /etc/hosts. This might not be the optimal way to get things up and running, but it works for me.

AnjaneyuluBatta505

#!/usr/bin/env python

'''
This script will attempt to open your webbrowser,
perform OAuth 2.0 authentication and print your access token.

To install dependencies from PyPI:
  $ pip install oauth2client

Then run this script:

AnjaneyuluBatta505

Versions:
    python      : 2.7.1
    openpyxl    : 2.2.5
    pyexcelerate: 0.6.6
    xlsxwriter  : 0.7.3
    xlwt        : 1.0.0

Dimensions:
    Rows = 10000

AnjaneyuluBatta505

TL;DR

Install Postgres 9.5, and then:

sudo pg_dropcluster 9.6 main --stop
sudo pg_upgradecluster 9.5 main
sudo pg_dropcluster 9.5 main

AnjaneyuluBatta505

First install pip for Python2. Download the get-pip.py file from https://bootstrap.pypa.io/get-pip.py
$ cd <download location>
$ sudo -H python ./get-pip.py

Installing pip also installs Python3
To run Python3
$ python3

Install pip3 by just executing the same file as in the step above, but this time using Python3
$ sudo -H python3 ./get-pip.py

AnjaneyuluBatta505

[program:myapp]
autostart = true
autorestart = true
command = python /home/pi/myapp.py
environment=SECRET_ID="secret_id",SECRET_KEY="secret_key_avoiding_%_chars"
stdout_logfile = /home/pi/stdout.log
stderr_logfile = /home/pi/stderr.log
startretries = 3
user = pi

AnjaneyuluBatta505

class LoginRequiredMixin(object):
    """
    View mixin which requires that the user is authenticated.
    """
    @method_decorator(login_required)
    def dispatch(self, request, *args, **kwargs):
        return super(LoginRequiredMixin, self).dispatch(
            self, request, *args, **kwargs)

AnjaneyuluBatta505

# Uncomment the next line if you have installed wkhtmltopdf
# sudo apt remove wkhtmltopdf
cd ~
# Select an appropriate link for your system (32 or 64 bit) from the page https://wkhtmltopdf.org/downloads.html and past to the next line
wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
tar xvf wkhtmltox*.tar.xz
sudo mv wkhtmltox/bin/wkhtmlto* /usr/bin
sudo apt-get install -y openssl build-essential libssl-dev libxrender-dev git-core libx11-dev libxext-dev libfontconfig1-dev libfreetype6-dev fontconfig

AnjaneyuluBatta505

<!-- create_normal.html :: part 4 -->

<script type='text/javascript'>
function updateElementIndex(el, prefix, ndx) {
    var id_regex = new RegExp('(' + prefix + '-\\d+)');
    var replacement = prefix + '-' + ndx;
    if ($(el).attr("for")) $(el).attr("for", $(el).attr("for").replace(id_regex, replacement));
    if (el.id) el.id = el.id.replace(id_regex, replacement);
    if (el.name) el.name = el.name.replace(id_regex, replacement);
}