Module and package names

The module and package names inform about the purpose of their content. The names are short, in lowercase, and usually without underscores, for example:

• sqlite
• postgres
• sha1

They are often suffixed with lib if they are implementing a protocol, as in the following:

import smtplib 
import urllib 
import telnetlib

When choosing a name for a module, always consider its content and limit the amount of redundancy within the whole namespace, for example:

from widgets.stringwidgets import TextWidget  # bad 
from widgets.strings import TextWidget        # better 

When a module is getting complex and contains a lot of classes, it is a good practice to create a package and split the module's elements into other modules.

The __init__ module can also be used to put back some common APIs at the top level of the package. This approach allows you to organize the...