This python package is used as a core engine for any pydevmgr high level package.
The documentation is on its way, but one may be interested to higher level package such as
- [pydevmgr_ua](https://github.com/efisoft-elt/pydevmgr_ua)
- [pydevmgr_elt](https://github.com/efisoft-elt/pydevmgr_elt)
Python package to by used as substitute of a real device manager running in a ELT-Software environment when the full ELT-Software environment cannot be used.
Sources are [here](https://github.com/efisoft-elt/pydevmgr_core)
# Install
```bash
> pip install pydevmgr_core
```
# Basic Usage
pydevmgr_core is not indented to be used directly but used by other pydevmgr related package as a core engine.
For usage here is an example using pydevmgr_ua to access an OPC-UA node :
```python
from pydevmgr_ua import UaRpc, UaNode, UaCom
from pydevmgr_core.nodes import InsideInterval
import time
com = UaCom(address="opc.tcp://192.168.1.11:4840", prefix="MAIN")
target = 7.0
move = UaRpc( com=com, suffix="Motor1.RPC_MoveAbs", args_parser=[float, float])
pos = UaNode( com=com, suffix="Motor1.stat.lrPosActual" )
test = InsideInterval( node = pos, min=target-0.1, max=target+0.1 )
try:
com.connect()
move.call( 7.0, 1 )
while not test.get():
time.sleep(0.1)
print( "posisiotn is", pos.get() )
finally:
com.disconnect()
```
Or using the highest level dedicated for ELT devices:
```python
from pydevmgr_elt import Motor, wait
m1 = Motor('motor1', address="opc.tcp://192.168.1.11:4840", prefix="MAIN.Motor1")
try:
m1.connect()
wait(m1.move_abs(7.0,1.0), lag=0.1)
print( "position is", m1.stat.pos_actual.get() )
finally:
m1.disconnect()
```
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