Python >=3.8 required.

Mkdocs and mypy compatibility.

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11.0-rc - 3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4

.gitignore

@@ -1,4 +1,3 @@
 __pycache__/
 site/
 .coverage
-.venv/

Makefile

@@ -3,7 +3,7 @@ check:
 
 lint:
 	black --check .
-	flake8 --exclude .venv --ignore E203,E501,F811
+	flake8 --ignore E203,E501,F811 waiter tests
 	mypy -p waiter
 
 html:

README.md

@@ -109,6 +109,10 @@ Waiter objects have a `stats` attribute for aggregating statistics about the cal
 ```
 
 ## Changes
+dev
+
+* Python >=3.8 required
+
 1.3
 
 * Python >=3.7 required

mkdocs.yml

@@ -17,7 +17,7 @@ plugins:
   - mkdocstrings:
       handlers:
         python:
-          rendering:
+          options:
             show_root_heading: true
   - mkdocs-jupyter:
       execute: True

pyproject.toml

@@ -7,7 +7,7 @@ name = "waiter"
 dynamic = ["version"]
 description = "Delayed iteration for polling and retries."
 readme = "README.md"
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 license = {file = "LICENSE.txt"}
 authors = [{name = "Aric Coady", email = "aric.coady@gmail.com"}]
 keywords = ["wait", "retry", "poll", "delay", "sleep", "timeout", "incremental", "exponential", "backoff", "async"]
@@ -17,7 +17,6 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",

waiter/__init__.py

@@ -1,4 +1,4 @@
-# type: ignore[no-redef]
+# mypy: disable-error-code="no-redef,valid-type"
 import asyncio
 import collections
 import contextlib
@@ -8,7 +8,7 @@
 import time
 import types
 from functools import partial
-from typing import AsyncIterable, Callable, Iterable, Iterator, Sequence
+from typing import AsyncIterable, Callable, Iterable, Iterator, Optional, Sequence
 from multimethod import multimethod, overload
 
 __version__ = '1.3'
@@ -25,10 +25,10 @@ def fibonacci(x, y):
 @contextlib.contextmanager
 def suppress(*exceptions: Exception):
     """Variant of `contextlib.suppress`, which also records exception."""
-    excs = []
+    excs: list = []
     try:
         yield excs
-    except exceptions as exc:
+    except exceptions as exc:  # type: ignore
         excs.append(exc)
 
 
@@ -59,7 +59,7 @@ def add(self, attempt: int, elapsed: float) -> float:
         return elapsed
 
     @property
-    def total(self) -> float:
+    def total(self) -> float:  # type: ignore
         """total number of attempts"""
         return sum(self.values())
 
@@ -185,7 +185,7 @@ async def throttle(self, iterable: AsyncIterable):
             async for _ in self:
                 yield await anext()
 
-    def stream(self, queue: Iterable, size: int = None) -> Iterator:
+    def stream(self, queue: Iterable, size: Optional[int] = None) -> Iterator:
         """Generate chained values in groups from an iterable.
 
         The queue can be extended while in use.