Closes #2211: Removed Python 2 instructions from the installation docs

README.md

@@ -16,7 +16,7 @@ or join us in the #netbox Slack channel on [NetworkToCode](https://networktocode
 
 ### Build Status
 
-NetBox is built against both Python 2.7 and 3.5.  Python 3.5 is recommended.
+NetBox is built against both Python 2.7 and 3.5. Python 3.5 or higher is strongly recommended.
 
 |             | status |
 |-------------|------------|

docs/installation/ldap.md

@@ -7,13 +7,13 @@ This guide explains how to implement LDAP authentication using an external serve
 On Ubuntu:
 
 ```no-highlight
-sudo apt-get install -y python-dev libldap2-dev libsasl2-dev libssl-dev
+sudo apt-get install -y libldap2-dev libsasl2-dev libssl-dev
 ```
 
 On CentOS:
 
 ```no-highlight
-sudo yum install -y python-devel openldap-devel
+sudo yum install -y openldap-devel
 ```
 
 ## Install django-auth-ldap

docs/installation/migrating-to-python3.md

@@ -1,5 +1,8 @@
 # Migration
 
+!!! warning
+    Beginning with v2.5, NetBox will no longer support Python 2. It is strongly recommended that you upgrade to Python 3 as soon as possible.
+
 Remove Python 2 packages
 
 ```no-highlight

docs/installation/netbox.md

@@ -2,43 +2,21 @@
 
 This section of the documentation discusses installing and configuring the NetBox application.
 
-!!! note
-    Python 3 is strongly encouraged for new installations. Support for Python 2 will be discontinued in the near future. This documentation includes a guide on [migrating from Python 2 to Python 3](migrating-to-python3).
-
 **Ubuntu**
 
-Python 3:
-
 ```no-highlight
 # apt-get install -y python3 python3-dev python3-setuptools build-essential libxml2-dev libxslt1-dev libffi-dev graphviz libpq-dev libssl-dev zlib1g-dev
 # easy_install3 pip
 ```
 
-Python 2:
-
-```no-highlight
-# apt-get install -y python2.7 python-dev python-setuptools build-essential libxml2-dev libxslt1-dev libffi-dev graphviz libpq-dev libssl-dev zlib1g-dev
-# easy_install pip
-```
-
 **CentOS**
 
-Python 3:
-
 ```no-highlight
 # yum install -y epel-release
 # yum install -y gcc python34 python34-devel python34-setuptools libxml2-devel libxslt-devel libffi-devel graphviz openssl-devel redhat-rpm-config
 # easy_install-3.4 pip
 ```
 
-Python 2:
-
-```no-highlight
-# yum install -y epel-release
-# yum install -y gcc python2 python-devel python-setuptools libxml2-devel libxslt-devel libffi-devel graphviz openssl-devel redhat-rpm-config
-# easy_install pip
-```
-
 You may opt to install NetBox either from a numbered release or by cloning the master branch of its repository on GitHub.
 
 ## Option A: Download a Release
@@ -97,24 +75,16 @@ Checking connectivity... done.
 
 Install the required Python packages using pip. (If you encounter any compilation errors during this step, ensure that you've installed all of the system dependencies listed above.)
 
-Python 3:
-
 ```no-highlight
 # pip3 install -r requirements.txt
 ```
 
-Python 2:
-
-```no-highlight
-# pip install -r requirements.txt
-```
-
 !!! note
-    If you encounter errors while installing the required packages, check that you're running a recent version of pip (v9.0.1 or higher) with the command `pip -V` or `pip3 -V`.
+    If you encounter errors while installing the required packages, check that you're running a recent version of pip (v9.0.1 or higher) with the command `pip3 -V`.
 
 ### NAPALM Automation
 
-As of v2.1.0, NetBox supports integration with the [NAPALM automation](https://napalm-automation.net/) library. NAPALM allows NetBox to fetch live data from devices and return it to a requester via its REST API. Installation of NAPALM is optional. To enable it, install the `napalm` package using pip or pip3:
+NetBox supports integration with the [NAPALM automation](https://napalm-automation.net/) library. NAPALM allows NetBox to fetch live data from devices and return it to a requester via its REST API. Installation of NAPALM is optional. To enable it, install the `napalm` package using pip or pip3:
 
 ```no-highlight
 # pip3 install napalm
@@ -172,9 +142,6 @@ You may use the script located at `netbox/generate_secret_key.py` to generate a
 
 # Run Database Migrations
 
-!!! warning
-    The examples on the rest of this page call the `python3` executable. Replace this with `python2` or `python` if you're using Python 2.
-
 Before NetBox can run, we need to install the database schema. This is done by running `python3 manage.py migrate` from the `netbox` directory (`/opt/netbox/netbox/` in our example):
 
 ```no-highlight

docs/installation/upgrading.md

@@ -65,7 +65,7 @@ Once the new code is in place, run the upgrade script (which may need to be run
 ```
 
 !!! warning
-    The upgrade script will prefer Python3 and pip3 if both executables are available. To force it to use Python2 and pip, use the `-2` argument as below.
+    The upgrade script will prefer Python3 and pip3 if both executables are available. To force it to use Python2 and pip, use the `-2` argument as below. Note that Python 2 will no longer be supported in NetBox v2.5.
 
 ```no-highlight
 # ./upgrade.sh -2

docs/installation/web-server.md

@@ -102,7 +102,7 @@ To enable SSL, consider this guide on [securing Apache with Let's Encrypt](https
 
 # gunicorn Installation
 
-Install gunicorn using `pip3` (Python 3) or `pip` (Python 2):
+Install gunicorn:
 
 ```no-highlight
 # pip3 install gunicorn