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The Python Shell
================================================================================
.. currentmodule:: ost.gui
.. class:: PythonShell
OpenStructure has a powerful Python Shell which has some handy features. It is
completely integrated into OpenStructure and allows you enter Python code.
Multi line detection
--------------------------------------------------------------------------------
The Python Shell detects automatically if a code block is complete or not.
For example a simple print statement in the command line is a complete code
block. Therefore the code will be executed after pressing enter:
.. image:: images/100210_single_line.png
When a multiline codeblock (like a for loop or an if instruction) is being
entered in the command line, the code is not executed until the code block is
complete:
.. image:: images/100210_multi_line.png
When a code block is not complete, pressing enter appends an empty line at the
end of the code block. To execute such a code block, you simply have to press
enter twice.
Auto completion
--------------------------------------------------------------------------------
After pressing tab in the Python Shell, it returns you possible extensions
to your entered text. This feature can be used for completing variable names
or functions:
.. image:: images/100210_auto_completion.png
It is also possible to complete a file system path string. By pressing tab while
editing a string, the shell displays all file or folders of the given
directory:
.. image:: images/100210_path_completion.png
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