build: reintroduced support for python 3.8+

README.md

@@ -3,7 +3,7 @@
 > Modern Python logging handler for Grafana Loki
 
 [![PyPI version](https://img.shields.io/pypi/v/python-logging-loki-v2.svg)](https://pypi.org/project/python-logging-loki-v2/)
-[![Python](https://img.shields.io/badge/python-3.9+-blue.svg)](https://www.python.org/)
+[![Python](https://img.shields.io/badge/python-3.8.1+-blue.svg)](https://www.python.org/)
 
 ## Documented by Grafana: https://github.com/grafana/loki/pull/16397
 

logging_loki/emitter.py

@@ -4,7 +4,6 @@
 import copy
 import functools
 import logging
-import time
 from logging.config import ConvertingDict
 from typing import Any, Dict, List, Optional, Tuple
 
@@ -26,7 +25,7 @@ class LokiEmitter(abc.ABC):
     label_replace_with = const.label_replace_with
     session_class = requests.Session
 
-    def __init__(self, url: str, tags: dict | None = None, auth: BasicAuth = None, headers: dict | None = None, verify_ssl: bool = True):
+    def __init__(self, url: str, tags: Optional[dict] = None, auth: BasicAuth = None, headers: Optional[dict] = None, verify_ssl: bool = True):
         """
         Create new Loki emitter.
 
@@ -47,7 +46,7 @@ def __init__(self, url: str, tags: dict | None = None, auth: BasicAuth = None, h
         #: Verify the host's ssl certificate
         self.verify_ssl = verify_ssl
 
-        self._session: requests.Session | None = None
+        self._session: Optional[requests.Session] = None
 
     def __call__(self, record: logging.LogRecord, line: str):
         """Send log record to Loki."""
@@ -149,7 +148,7 @@ class LokiEmitterV2(LokiEmitterV1):
     Enables passing additional headers to requests
     """
 
-    def __init__(self, url: str, tags: dict | None = None, auth: BasicAuth = None, headers: dict = None, verify_ssl: bool = True):
+    def __init__(self, url: str, tags: Optional[dict] = None, auth: BasicAuth = None, headers: Optional[dict] = None, verify_ssl: bool = True):
         super().__init__(url, tags, auth, headers, verify_ssl)
 
     def __call__(self, record: logging.LogRecord, line: str):

logging_loki/handlers.py

@@ -4,7 +4,7 @@
 import warnings
 from logging.handlers import QueueHandler, QueueListener
 from queue import Queue
-from typing import Dict, Type
+from typing import Dict, Optional, Type
 
 from logging_loki import const, emitter
 
@@ -29,7 +29,7 @@ class LokiHandler(logging.Handler):
 
     emitters: Dict[str, Type[emitter.LokiEmitter]] = {"0": emitter.LokiEmitterV0, "1": emitter.LokiEmitterV1, "2": emitter.LokiEmitterV2}
 
-    def __init__(self, url: str, tags: dict | None = None, auth: emitter.BasicAuth | None = None, version: str | None = None, headers: dict | None = None, verify_ssl: bool = True):
+    def __init__(self, url: str, tags: Optional[dict] = None, auth: Optional[emitter.BasicAuth] = None, version: Optional[str] = None, headers: Optional[dict] = None, verify_ssl: bool = True):
         """
         Create new Loki logging handler.
 

pyproject.toml

@@ -5,6 +5,9 @@ build-backend = "setuptools.build_meta"
 
 [tool.ruff]
 line-length = 200
+# Lowest supported interpreter; keeps pyupgrade rules from
+# rewriting code into 3.9+ only syntax.
+target-version = "py38"
 
 [tool.ruff.lint]
 # Enable flake8-style rules and more

setup.py

@@ -16,15 +16,22 @@
     author_email="cryos10@gmail.com",
     url="https://github.com/RomanR-dev/python-logging-loki",
     packages=setuptools.find_packages(exclude=("tests",)),
-    python_requires=">=3.11",
+    python_requires=">=3.8.1,<4.0",
     install_requires=["rfc3339>=6.1", "requests"],
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3 :: Only",
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Topic :: System :: Logging",
         "Topic :: Internet :: WWW/HTTP",

tox.ini

@@ -1,8 +1,19 @@
 [tox]
 # List of Python versions to test against
-envlist = py311,py312,ruff
+envlist = py38,py39,py310,py311,py312,py313,ruff
 isolated_build = true
 
+[gh-actions]
+# Map the CI job's interpreter to the envs it should run, so each matrix
+# entry runs its own testenv instead of skipping the rest of the envlist.
+python =
+    3.8: py38
+    3.9: py39
+    3.10: py310
+    3.11: py311, ruff
+    3.12: py312
+    3.13: py313
+
 [testenv]
 setenv =
         LC_ALL = en_US.UTF-8
@@ -19,7 +30,7 @@ commands =
 [testenv:ruff]
 skip_install = true
 # Use whatever python3 is available on your system
-basepython = python3.11
+basepython = python3
 deps = ruff
 commands =
     # First fix auto-fixable issues