Closely emulate the behavior of the interactive Python interpreter.

This class builds on InteractiveInterpreter and adds prompting
using the familiar sys.ps1 and sys.ps2, and input buffering.

Pydir is mkdir for Python modules.

Example:
    $ pydir -v myproject/module/etc
    Created directory myproject/module/etc
    Created file myproject/__init__.py
    Created file myproject/module/__init__.py
    Created file myproject/module/etc/__init__.py

Represents a YouTubeVideoEntry on a YouTubePlaylist.

Instances of the Logger class represent a single logging channel. A
"logging channel" indicates an area of an application. Exactly how an
"area" is defined is up to the application developer. Since an
application can have any number of areas, logging channels are identified
by a unique string. Application areas can be nested (e.g. an area
of "input processing" might include sub-areas "read CSV files", "read
XLS files" and "read Gnumeric files"). To cater for this natural nesting,
channel names are organized into a namespace hierarchy where levels are
separated by periods, much like the Java or Python package namespace. So
in the instance given above, channel names might be "input" for the upper(more...)

Handler for data matrices