craftbeerpi4-pione/cbpi/controller/plugin_controller.py

import logging
import os
from importlib import import_module
from importlib_metadata import version, metadata
import datetime
import aiohttp
import asyncio
import yaml
import subprocess
import sys
from cbpi.api import *
from cbpi.utils.utils import load_config

logger = logging.getLogger(__name__)


class PluginController():
    modules = {}
    types = {}

    def __init__(self, cbpi):
        self.cbpi = cbpi

    def load_plugins(self):

        this_directory = os.sep.join(os.path.abspath(__file__).split(os.sep)[:-1])
        for filename in os.listdir(os.path.join(this_directory, "../extension")):
            if os.path.isdir(
                    os.path.join(this_directory, "../extension/") + filename) is False or filename == "__pycache__":
                continue
            try:
                logger.info("Trying to load plugin %s" % filename)
                data = load_config(os.path.join(
                    this_directory, "../extension/%s/config.yaml" % filename))                
                if (data.get("active") is True and data.get("version") == 4):
                    self.modules[filename] = import_module(
                        "cbpi.extension.%s" % (filename))
                    self.modules[filename].setup(self.cbpi)
                    # logger.info("Plugin %s loaded successful" % filename)
                else:
                    logger.warning(
                        "Plugin %s is not supporting version 4" % filename)

            except Exception as e:
                
                logger.error(e)

    def load_plugins_from_evn(self):

        for p in self.cbpi.static_config.get("plugins", []):

            try:
                logger.info("Try to load plugin:  %s " % p)
                self.modules[p] = import_module(p)
                self.modules[p].setup(self.cbpi)

                logger.info("Plugin %s loaded successfully" % p)
            except Exception as e:
                logger.error("FAILED to load plugin %s " % p)
                logger.error(e)

    def register(self, name, clazz) -> None:
        '''
        Register a new actor type
        :param name: actor name
        :param clazz: actor class
        :return: None
        '''
        logger.debug("Register %s Class %s" % (name, clazz.__name__))

        if issubclass(clazz, CBPiActor):
            self.cbpi.actor.types[name] = self._parse_step_props(clazz, name)

        if issubclass(clazz, CBPiKettleLogic):
            self.cbpi.kettle.types[name] = self._parse_step_props(clazz, name)

        if issubclass(clazz, CBPiFermenterLogic):
            self.cbpi.fermenter.types[name] = self._parse_step_props(clazz, name)

        if issubclass(clazz, CBPiSensor):
            self.cbpi.sensor.types[name] = self._parse_step_props(clazz, name)

        if issubclass(clazz, CBPiStep):
            self.cbpi.step.types[name] = self._parse_step_props(clazz, name)

        if issubclass(clazz, CBPiExtension):
            self.c = clazz(self.cbpi)

    def _parse_property_object(self, p):
        if isinstance(p, Property.Number):
            return {"label": p.label, "type": "number", "configurable": p.configurable, "description": p.description,
                    "default_value": p.default_value}
        elif isinstance(p, Property.Text):
            return {"label": p.label, "type": "text", "configurable": p.configurable, "default_value": p.default_value,
                    "description": p.description}
        elif isinstance(p, Property.Select):
            return {"label": p.label, "type": "select", "configurable": True, "options": p.options,
                    "description": p.description}
        elif isinstance(p, Property.Actor):
            return {"label": p.label, "type": "actor", "configurable": p.configurable, "description": p.description}
        elif isinstance(p, Property.Sensor):
            return {"label": p.label, "type": "sensor", "configurable": p.configurable, "description": p.description}
        elif isinstance(p, Property.Kettle):
            return {"label": p.label, "type": "kettle", "configurable": p.configurable, "description": p.description}

    def _parse_step_props(self, cls, name):

        result = {"name": name, "class": cls, "properties": [], "actions": []}

        if hasattr(cls, "cbpi_parameters"):
            parameters = []
            for p in cls.cbpi_parameters:
                parameters.append(self._parse_property_object(p))
            result["properties"] = parameters
        for method_name, method in cls.__dict__.items():
            if hasattr(method, "action"):
                key = method.__getattribute__("key")
                parameters = []
                for p in method.__getattribute__("parameters"):
                    parameters.append(self._parse_property_object(p))
                result["actions"].append({"method": method_name, "label": key, "parameters": parameters})

        return result

    def _parse_props(self, cls):

        name = cls.__name__

        result = {"name": name, "class": cls, "properties": [], "actions": []}

        tmpObj = cls(cbpi=None, managed_fields=None)
        members = [attr for attr in dir(tmpObj) if not callable(
            getattr(tmpObj, attr)) and not attr.startswith("__")]
        for m in members:
            if isinstance(tmpObj.__getattribute__(m), Property.Number):
                t = tmpObj.__getattribute__(m)
                result["properties"].append(
                    {"name": m, "label": t.label, "type": "number", "configurable": t.configurable,
                     "description": t.description, "default_value": t.default_value})
            elif isinstance(tmpObj.__getattribute__(m), Property.Text):
                t = tmpObj.__getattribute__(m)
                result["properties"].append(
                    {"name": m, "label": t.label, "type": "text", "configurable": t.configurable,
                     "default_value": t.default_value, "description": t.description})
            elif isinstance(tmpObj.__getattribute__(m), Property.Select):
                t = tmpObj.__getattribute__(m)
                result["properties"].append(
                    {"name": m, "label": t.label, "type": "select", "configurable": True, "options": t.options,
                     "description": t.description})
            elif isinstance(tmpObj.__getattribute__(m), Property.Actor):
                t = tmpObj.__getattribute__(m)
                result["properties"].append(
                    {"name": m, "label": t.label, "type": "actor", "configurable": t.configurable,
                     "description": t.description})
            elif isinstance(tmpObj.__getattribute__(m), Property.Sensor):
                t = tmpObj.__getattribute__(m)
                result["properties"].append(
                    {"name": m, "label": t.label, "type": "sensor", "configurable": t.configurable,
                     "description": t.description})
            elif isinstance(tmpObj.__getattribute__(m), Property.Kettle):
                t = tmpObj.__getattribute__(m)
                result["properties"].append(
                    {"name": m, "label": t.label, "type": "kettle", "configurable": t.configurable,
                     "description": t.description})

        for method_name, method in cls.__dict__.items():
            if hasattr(method, "action"):
                key = method.__getattribute__("key")
                parameters = method.__getattribute__("parameters")
                result["actions"].append(
                    {"method": method_name, "label": key, "parameters": parameters})

        return result

    async def load_plugin_list(self):
        result = []
        try:
            with open(os.path.join(".", 'config', "config.yaml"), 'rt') as f:
                data = yaml.load(f, Loader=yaml.FullLoader)

                for p in data["plugins"]:
                    try:
                        p_metadata= metadata(p)
                        p_name = p_metadata['name']
                        p_version = p_metadata['Version']
                        p_summary = p_metadata['Summary']
                        p_homepage= p_metadata['Home-page']
                        p_author = p_metadata['Author']
                        p_author_email = p_metadata['Author-email']
                        p_license = p_metadata['License']
                        p_description = p_metadata['Description']
                        plugin_data = {'Name': p_name,'Version': p_version,'Summary': p_summary,'Homepage':p_homepage,'Author':p_author,'Email': p_author_email,'License': p_license,'Description': p_description}
                        result.append(plugin_data)
                    except:
                        pass
#                    print("- ({})\t{}".format(p_version,p))
        except Exception as e:
            print(e)
            return []
            pass
        return result