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# Python client for GEX
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This is the primary GEX front-end for user scripting.
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GEX configuration can be persisted on-chip or loaded dynamically using
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the client from a INI file or string.
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A sample GEX script could look like this:
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```python
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#!/bin/env python3
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import time
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import gex
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client = gex.Client()
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led = gex.Pin(client, 'LED')
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for i in range(0,10):
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led.toggle()
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time.sleep(.1)
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```
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The client instance can be used to send control commands directly, bypassing the unit drivers.
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Writing new unit drivers is simple and straightforward. See any of the existing units for reference.
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