Python

• Syntax
• Django

Books

• Learning Python The Hard Way
• Hacker's Guide to Python

Setup development

$ python -m ensurepip --user
$ python -m pip install --user --upgrade pip
$ python -m pip install --user --upgrade virtualenv

$ python -m virtualenv lets-go
$ . ./lets-go/bin/activate
(lets-go) $ _

Source

$ python3 -m venv lets-go
$ source ./lets-go/bin/activate
(lets-go) $ pip install -U pip setuptools

Install pip

$ yum -y install epel-release
$ yum -y install python-pip

$ apt-get -y install python-pip

Upgrade pip

$ pip install -U pip

Install requirements using pip

$ pip install -U -r requirements.txt

Install in userhome using pip

$ pip install --user [name]

Install specific version using pip

$ pip install ansible==2.0

Install virtualenv

$ dnf install python-virtualenv

$ dnf install python-pip
$ pip install virtualenv

Create (and activate) virtualenv

$ mkdir .venv
$ virtualenv .venv
$ source .venv/bin/activate

Debugging: trigger trace/breakpoint

Insert the following somewhere in your code:

$ import pdb; pdb.set_trace()

More information: Tools training

Debugging using 'q'

$ pip install q

• Output is sent to $TMPDIR/q
• replace print with q
• use the @q decorator

Source

Troubleshooting

Needed on Ubuntu 14.04 when dealing with oudated SSL and InsecurePlatformWarning

$ pip install -U pyopenssl ndg-httpsclient pyasn1