Files
seweb/secop.py
l_samenv dbadc4ce0a followup change: fix dummy webserver
the dummy server was no longer working after server rework
2025-03-19 11:47:57 +01:00

151 lines
5.5 KiB
Python

import logging
from base import HandlerBase
from frappy.client import SecopClient
# from frappy.lib.enum import EnumMember
# from frappy.datatypes import get_datatype
def convert_par(module, name, par):
result = dict(type='input', name=module+":"+name, title=name)
if par.get('readonly', True):
result['type'] = 'rdonly'
else:
result['command'] = 'change %s:%s' % (module, name)
if par['datainfo']['type'] == 'enum':
result['enum_names'] = [dict(title=k, value=v) for k, v in par['datainfo']['members'].items()]
result['type'] = 'enum'
elif par['datainfo']['type'] == 'bool':
result['type'] = 'checkbox'
return result
class SecopInteractor(SecopClient):
prio_par = ["value", "status", "target"]
hide_par = ["baseclass", "class", "pollinterval"]
skip_par = ["status2"]
def __init__(self, uri, node_map):
super().__init__(uri)
self.module_updates = set()
self.param_updates = set()
self.updates = {}
self.connect()
self.register_callback(None, updateItem=self.updateItem)
def add_main_components(self, components):
for name, desc in self.modules.items():
component = dict(type='rdlink', name=f'{name}:value', title=name)
if 'status' in desc['parameters']:
component['statusname'] = f'{name}:status'
components.append(component)
self.param_updates.add('value')
self.param_updates.add('status')
def get_components(self, path):
module = self.modules[path]
self.module_updates.add(path) # TODO: remove others?
parameters = dict(module["parameters"])
components = []
for name in SecopInteractor.skip_par:
if name in parameters:
parameters.pop(name)
for name in SecopInteractor.prio_par:
if name in parameters:
components.append(convert_par(path, name, parameters.pop(name)))
components1 = []
for name in SecopInteractor.hide_par:
if name in parameters:
components1.append(convert_par(path, name, parameters.pop(name)))
for name, p in parameters.items():
components.append(convert_par(path, name, parameters[name]))
components.extend(components1)
return dict(type='draw', path=path, title=path, components=components)
def updateItem(self, module, parameter, entry):
key = module, parameter
# print(key, entry)
if module in self.module_updates or parameter in self.param_updates:
name = f'{module}:{parameter}'
if entry.readerror:
item = {'name': name, 'error': str(entry.readerror)}
else:
item = {'name': name, 'value': str(entry), 'formatted': entry.formatted()}
# print(item)
self.updates[key] = item
def update_main(self):
cache = self.cache
for modname in self.modules:
key = modname, 'value'
if key in cache:
self.updateItem(*key, cache[key])
def update_params(self, path):
cache = self.cache
for param in self.modules[path]['parameters']:
key = path, param
if key in cache:
self.updateItem(*key, cache[key])
def handle_command(self, command):
"""handle command if we can, else return False"""
if not command.strip():
return dict(type='accept-command')
if command.startswith('change '):
command = command[7:]
modpar, _, strvalue = command.partition(' ')
module, _, parameter = modpar.partition(':')
if not parameter:
parameter = 'target'
if module not in self.modules:
return False
logging.info('SENDCOMMAND %r', command)
try:
self.setParameterFromString(module, parameter, strvalue)
except Exception as e:
print(f"{e!r} converting {strvalue} to {self.modules[module]['parameters'][parameter]['datatype']}")
return True
def get_updates(self):
updates, self.updates = self.updates, {}
return list(updates.values())
def info(self):
return ["na"]
# class SecopInstrument(HandlerBase):
#
# def __init__(self, inst_name, instrument_config):
# super().__init__()
# self.instrument_config = instrument_config
# host_ports = instrument_config['hostport']
# self.logger_dir = instrument_config.get('logger_dir', '')
# # test_day = instrument_config.get('test_day', None)
# # self.test_day = [int(x) for x in test_day.split('-')] if test_day else None
# self.title = inst_name
# self.device = ''
# self.nodes = []
# self.node_map = {}
# for host_port in host_ports.split(','):
# node = SecopClient(host_port)
# node.connect()
# self.nodes.append(node)
# for name, mod in node.modules.items():
# self.node_map[name] = node
#
# def register(self, client):
# print('OPEN')
# for node in self.nodes:
# node.register_callback(None, client.updateItem)
# return super().register(client)
#
# def remove(self, client):
# print('REMOVE')
# for node in self.nodes:
# node.unregister_callback(None, client.updateItem)
# super().remove(client)
#
# def new_client(self):
# return self.register(SecopClient(self))