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attributes: replace the DataType family with python types and *Meta typed dicts #418

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attributes: replace the DataType family with python types and *Meta typed dicts #418

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e10656a
attributes(#413): replace DataType family with python types + *Meta t…
claude Aug 14, 2026
c1fce75
fix(#413): repoint a p4p enum assertion and unresolvable doc references
claude Aug 14, 2026
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9 changes: 4 additions & 5 deletions docs/explanations/controllers.md
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Original file line number Diff line number Diff line change
Expand Up @@ -37,13 +37,12 @@ sets it back to `True`.
```python
from fastcs.controllers import Controller
from fastcs.attributes import AttrR, AttrRW
from fastcs.datatypes import Float, String
from fastcs.methods import scan


class TemperatureController(Controller):
temperature = AttrR(Float(units="degC"))
setpoint = AttrRW(Float(units="degC"))
temperature = AttrR(float, units="degC")
setpoint = AttrRW(float, units="degC")

async def connect(self):
self._client = await DeviceClient.connect(self._host, self._port)
Expand Down Expand Up @@ -73,7 +72,7 @@ controller also has connection logic, the parent must invoke it explicitly:

```python
class ChannelController(Controller):
value = AttrR(Float())
value = AttrR(float)

async def connect(self):
...
Expand Down Expand Up @@ -108,7 +107,7 @@ from fastcs.controllers import Controller, ControllerVector


class ChannelController(Controller):
value = AttrR(Float())
value = AttrR(float)


class RootController(Controller):
Expand Down
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