fix(deps): replace monads with pyella

The monad sources were migrated to the pyella library, so replace the
sources with said library. Pyella only supports Python >= 3.8 though,
because everything older is ancient, which is why Huemon will make the same change.

BREAKING CHANGE: minimal python version bumped to 3.8

README.md

@@ -13,7 +13,7 @@ Zabbix monitoring with low-level discovery for Philips Hue networks.
 
 - Zabbix server 5.0+
 - Zabbix agent 5.0+
-- Python 3.7+ on Zabbix agent machine
+- Python 3.8+ on Zabbix agent machine
 
 ## Installation
 

pyproject.toml

@@ -8,7 +8,6 @@ classifiers = [
     "Environment :: Console",
     "Operating System :: MacOS",
     "Operating System :: POSIX :: Linux",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
@@ -36,13 +35,15 @@ version = "0.9.2"
 
 [tool.poetry.dependencies]
 fastapi = "^0.75.0"
-python = "^3.7"
+python = "^3.8"
 PyYAML = "^6.0"
 types-PyYAML = "^6.0.4"
 uvicorn = "^0.17.5"
+pyella = "^0.1.0"
 
 [tool.poetry.dev-dependencies]
 bandit = "^1.7"
+black = {version = "^22.6.0", allow-prereleases = true}
 coverage = {extras = ["toml"], version = "^6.3.2"}
 mypy = "^0.931"
 nox = "^2022.1.7"
@@ -54,7 +55,6 @@ python-semantic-release = "^7.25.2"
 
 #########################################################################################
 # Testing
-black = {version = "^22.6.0", allow-prereleases = true}
 #########################################################################################
 
 [tool.pytest.ini_options]
@@ -95,7 +95,6 @@ build_command = "poetry build"
 commit_subject = "chore: release {version}"
 changelog_file = "README.md"
 changelog_placeholder = "DISABLE_CHANGELOG_HACK"
-major_on_zero = false
 version_pattern = [
     "assets/release/release-docker.sh:huemon:{version}",
     "docker-compose.yml:huemon:{version}",

src/huemon/commands/command_handler.py

@@ -7,13 +7,14 @@
 from functools import reduce
 from typing import List, Type
 
+from pyella.either import rights
+
 from huemon.api.api_factory import create_api
 from huemon.api.api_interface import ApiInterface
 from huemon.commands.hue_command_interface import HueCommand
 from huemon.infrastructure.logger_factory import create_logger
 from huemon.infrastructure.plugin_loader import load_plugins
 from huemon.utils.errors import exit_fail
-from huemon.utils.monads.either import rights
 from huemon.utils.paths import create_local_path
 
 LOG = create_logger()

src/huemon/commands/internal/discover_command.py

@@ -7,14 +7,15 @@
 from functools import reduce
 from typing import Dict, List, Type
 
+from pyella.either import Either, rights
+from pyella.maybe import Maybe, maybe, of
+
 from huemon.api.api_interface import ApiInterface
 from huemon.commands.hue_command_interface import HueCommand
 from huemon.discoveries.discovery_interface import Discovery
 from huemon.infrastructure.logger_factory import create_logger
 from huemon.infrastructure.plugin_loader import load_plugins
 from huemon.utils.assertions import assert_exists, assert_num_args
-from huemon.utils.monads.either import Either, rights
-from huemon.utils.monads.maybe import Maybe, maybe, of
 from huemon.utils.paths import create_local_path
 from huemon.utils.plugins import get_discovery_plugins_path
 

src/huemon/infrastructure/plugin_loader.py

@@ -8,9 +8,10 @@
 from pathlib import Path
 from typing import List, Tuple, Type, TypeVar, cast
 
+from pyella.either import Either, Left, right
+from pyella.maybe import Maybe
+
 from huemon.utils.errors import E_CODE_PLUGIN_LOADER, HueError
-from huemon.utils.monads.either import Either, Left, right
-from huemon.utils.monads.maybe import Maybe
 
 TA = TypeVar("TA")
 
@@ -19,8 +20,8 @@ def __error(message: str) -> HueError:
     return HueError(E_CODE_PLUGIN_LOADER, message)
 
 
-def __lerror(message: str) -> Left[HueError, TA]:
-    return Left[HueError, TA](__error(message))
+def __lerror(message: str) -> Left[HueError, Type[TA]]:
+    return Left(__error(message))
 
 
 def __get_plugin_type(

src/noxfile.py

@@ -3,7 +3,6 @@
 
 def __load_poetry_venv(session):
     # https://stackoverflow.com/a/59904246
-    session.run("poetry", "shell")
     session.run("poetry", "install")