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Merge #142 

142: Make stabilizer.py work on v0.4.0+ r=jordens a=HarryMakes

This is a "dirty" fix to have `stabilizer.py` working with the new API since v0.4.0, by applying the new JSON format for the IIRs as follows:

```json
{
    "req": "Write",
    "attribute": "stabilizer/iir?/state",
    "value": {
        "channel":1,
        "iir":{
            "ba":[b0,b1,b2,a1,a2],
            "y_offset":?,
            "y_min":?,
            "y_max":?
         }
    }
}
```

The actual ASCII data sent will convert the innermost `"` to `'`, then wrap the curly-bracketed tree of `value` with `"`.


Co-authored-by: Harry Ho <hh@m-labs.hk>
This commit is contained in:
bors[bot] 2020-09-16 07:39:52 +00:00 committed by GitHub
parent 2029757c4e 7e2d240e85
commit e4b4d7af7c
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1 changed files with 8 additions and 3 deletions
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stabilizer.py
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@ -17,11 +17,16 @@ class StabilizerConfig:
self.reader, self.writer = await asyncio.open_connection(host, port) self.reader, self.writer = await asyncio.open_connection(host, port)
async def set(self, channel, iir): async def set(self, channel, iir):
up = OD([("channel", channel), ("iir", iir.as_dict())]) value = OD([("channel", channel), ("iir", iir.as_dict())])
s = json.dumps(up, separators=(",", ":")) request = {
"req": "Write",
"attribute": "stabilizer/iir{}/state".format(channel),
"value": json.dumps(value, separators=[',', ':']).replace('"', "'"),
}
s = json.dumps(request, separators=[',', ':'])
assert "\n" not in s assert "\n" not in s
logger.debug("send %s", s) logger.debug("send %s", s)
self.writer.write(s.encode() + b"\n") self.writer.write(s.encode("ascii") + b"\n")
r = (await self.reader.readline()).decode() r = (await self.reader.readline()).decode()
logger.debug("recv %s", r) logger.debug("recv %s", r)
ret = json.loads(r, object_pairs_hook=OD) ret = json.loads(r, object_pairs_hook=OD)