Python

Contents:

Binary data to file-like object (readable)

f = io.BytesIO(binary_data) # Python 2.7 and 3

Join list items that are not None

Special case use of filter:

join(', ', filter(None, the_list))

Declare file encoding

Top of .py file:

# -*- coding: UTF-8 -*-
# vim:fileencoding=UTF-8

Quick ‘n’ easy static web server

  • Change to the top level directory of the static files
  • Run python -m http.server

Python snippet copy logging to stdout

add to top:

import logging

handler = logging.StreamHandler()
root_logger = logging.getLogger('')
root_logger.setLevel(logging.DEBUG)
root_logger.addHandler(handler)

Warnings

Hiding python warnings. e.g. Deprecations:

python -Wignore::DeprecationWarning ...

Pylint

Running it:

python /usr/bin/pylint --rcfile=.pylintrc -f colorized aremind.apps.patients | less -r

Disabling a warning in code:

# pylint: disable-msg=E1101