49fa60c66f
Enhance documentation across multiple modules with detailed parameter descriptions and usage examples
112 lines
4.5 KiB
Python
112 lines
4.5 KiB
Python
from temporalio import activity, workflow
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with workflow.unsafe.imports_passed_through():
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from logging import Logger
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from sientia_do.notifications.handlers import NotificationHandler
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from sientia_do.notifications.models import NotificationLevel
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from laborious.activities.base import BaseActivity
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from laborious.utils.repository.opc_repository import OpcRepository
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from typing import Any
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import traceback
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from pandas import DataFrame
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class OPC(BaseActivity):
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def __init__(self, opc_servers: dict[str, dict[str, Any]],
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logger: Logger, notification_handler: NotificationHandler):
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self.logger = logger
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self.notification_handler = notification_handler
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self.opc_servers = opc_servers
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self.opc_repository = {}
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for name, server in opc_servers.items():
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self.opc_repository[name] = OpcRepository(
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name=name,
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url=server['url'],
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logger=self.logger,
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server_uri=server['server_uri'],
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cert_path=server['cert_path'],
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private_key_path=server['private_key_path'],
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server_cert_path=server['server_cert_path'],
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notification_handler=self.notification_handler,
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reconnection_interval=server['reconnection_interval'],
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)
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self.opc_repository[name].connect()
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BaseActivity.__init__(self, logger, notification_handler)
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def write_data(self, server: str, tag: str, data: Any,
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data_type: str, tag_type: str):
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"""
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Write data to OPC server.
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Args:
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- server (str): The name of the OPC server.
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- tag (str): The tag to write to.
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- data (Any): The data to write.
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- data_type (str): The data type.
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- tag_type (str): The tag type.
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"""
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try:
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self.opc_repository[server].write_data(
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tag, data, data_type)
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self.logger.debug(f"Wrote {tag_type} to {tag}")
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except Exception as e:
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trace = traceback.format_exc()
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self.notification_handler.build_and_send_notification(
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notification_id=f"WRITE_OPC_{tag_type.upper()}_ERROR",
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message=f"Error writing data to OPC server: {e}",
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block="write_opc_data",
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level=NotificationLevel.ERROR,
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attachment_content=trace
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)
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self.logger.error(trace)
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@activity.defn(name='write_opc_data')
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async def write_opc_data(self, input_data: dict[str, Any]):
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"""
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Write prediction and confidence data to OPC servers. The two writing
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operations are optional and independent of each other.
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Args:
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- input_data(dict[str, Any]): The input data. Contains the following keys:
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- data(dict[str, Any]): The dataframe that contains the data to write
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to the OPC servers.
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- opc_output_config(dict[str, Any]): The OPC writing configuration.
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The keys are the OPC server names and the values contain:
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- prediction_tags(dict[str, Any]): The tags to write to the OPC servers.
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- confidence_tags(dict[str, Any]): The tags to write to the OPC servers.
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"""
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self.logger.debug("Writing data to OPC servers...")
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data = DataFrame(input_data['data'])
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opc_output_config = input_data['opc_output_config']
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self.logger.debug(data)
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for server, config in opc_output_config.items():
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if self.opc_repository.get(server) is None:
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self.logger.error(f"OPC server {server} not found")
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continue
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if 'prediction_tags' in config:
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for tag, tag_config in config['prediction_tags'].items():
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self.write_data(
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server=server,
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tag=tag,
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data=data.head(1)['prediction'].values[0],
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data_type=tag_config['data_type'],
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tag_type='prediction'
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)
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if 'confidence_tags' in config:
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for tag, tag_config in config['confidence_tags'].items():
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self.write_data(
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server=server,
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tag=tag,
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data=data.head(1)['prediction_confidence'].values[0],
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data_type=tag_config['data_type'],
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tag_type='confidence'
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)
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