How can I create a simple system wide python library? -

i see there built in packages can import script like:

from datetime import date  today = date.today() print today 

how can create simple package , add system library can import datetime in above example?

you're trying make module.

start installing setuptools package; on either windows or linux should able type pip install setuptools @ terminal installed. should able write import setuptools @ python prompt without getting error.

once that's working, set directory structure containing setup.py , folder project's code go in. directory must contain file called __init__.py, allows import directory though it's file.

some_folder/ |    setup.py |    my_project/__init__.py 

in setup.py, drop following content:

# setup.py setuptools import setup  setup(name="my awesome project",       version="0.0",       packages=["my_project"]) 

in my_project/__init__.py, drop stuff you'd able import. let's say...

# my_project/__init__.py greeting = "hello world!" 

now, in order install project @ system-wide level, run python setup.py install. note you'll need run root if you're on linux, since you're making changes system-wide python libraries.

after this, should able run python directory , type:

>>> my_project import greeting >>> print greeting hello world! >>> 

note enough tell how make module, there's 1 hell of lot of stuff setuptools can you. take @ https://pythonhosted.org/setuptools/setuptools.html more info on building stuff, , https://docs.python.org/2/tutorial/modules.html more info on how modules work. if you'd @ package (i hope) reasonably simple, made lazylog module couple of weeks ago on train, , you're welcome use reference.