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.. "auto_examples/basic/built_in_libraries.py"
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.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_auto_examples_basic_built_in_libraries.py>`
        to download the full example code

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_basic_built_in_libraries.py:


=====================================
Using Built-In Primitive Libraries
=====================================

A simple example to demonstrate using SpyDrNet's built in primitive libraries.

The b13 example netlist is targeted towards the Xilinx 7 Series family. However, because the primitives are defined in the netlist, we must first compose it out to a new netlist that does not define the primitives.

netlist_1 is parsed in without using the built in primitive library. The output shows that the port directions are undefined.

netlist_2 is parsed in using the XILINX_7SERIES primitive library. The output shows that the port directions are defined.

.. GENERATED FROM PYTHON SOURCE LINES 14-36

.. code-block:: default


    import spydrnet as sdn
    from spydrnet.util.netlist_type import VERILOG
    from spydrnet.util.architecture import XILINX_7SERIES


    netlist = sdn.load_example_netlist_by_name("b13", VERILOG)
    netlist.compose("b13.v", write_blackbox = False)

    print("Without using the primitive library:")
    netlist_1 = sdn.parse("b13.v")
    for definition in netlist_1.get_definitions():
        if definition is not netlist_1.top_instance.reference:
            for port in definition.get_ports():
                print(port.name + " " + str(port.direction))

    print("\nUsing the primitive library:")
    netlist_2 = sdn.parse("b13.v", architecture=XILINX_7SERIES)
    for definition in netlist_2.get_definitions():
        if definition is not netlist_2.top_instance.reference:
            for port in definition.get_ports():
                print(port.name + " " + str(port.direction))


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.. _sphx_glr_download_auto_examples_basic_built_in_libraries.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example




    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: built_in_libraries.py <built_in_libraries.py>`

    .. container:: sphx-glr-download sphx-glr-download-jupyter

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