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fix: support Python 3.11 to prevent squatter install #107

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Merged
brendanjryan merged 2 commits into from
Apr 1, 2026
Merged

fix: support Python 3.11 to prevent squatter install #107

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864857e
fix: support Python 3.11 to prevent squatter install
brendanjryan Apr 1, 2026
4f9b3d3
chore: add changelog
github-actions[bot] Apr 1, 2026
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5 changes: 5 additions & 0 deletions .changelog/plain-mules-fix.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
pympp: patch
---

Added Python 3.11 support by lowering the `requires-python` constraint from `>=3.12` to `>=3.11`, updating tooling targets accordingly, and replacing PEP 695 generic syntax with `TypeVar` for compatibility.
7 changes: 4 additions & 3 deletions pyproject.toml
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Expand Up @@ -3,7 +3,7 @@ name = "pympp"
version = "0.5.2"
description = "Python SDK for the Machine Payments Protocol (MPP)"
readme = "README.md"
requires-python = ">=3.12"
requires-python = ">=3.11"
dependencies = [
"httpx>=0.27",
]
Expand All @@ -15,6 +15,7 @@ classifiers = [
"License :: OSI Approved :: MIT License",
"License :: OSI Approved :: Apache Software License",
"Programming Language :: Python :: 3 :: Only",
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
"Typing :: Typed",
Expand Down Expand Up @@ -68,7 +69,7 @@ packages = ["src/mpp"]

[tool.ruff]
line-length = 100
target-version = "py312"
target-version = "py311"
exclude = ["examples"]

[tool.ruff.lint]
Expand All @@ -82,7 +83,7 @@ ignore = []
quote-style = "double"

[tool.pyright]
pythonVersion = "3.12"
pythonVersion = "3.11"
typeCheckingMode = "standard"
include = ["src", "tests"]

Expand Down
8 changes: 5 additions & 3 deletions src/mpp/server/decorator.py
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Expand Up @@ -6,7 +6,7 @@
import json as _json
from collections.abc import Awaitable, Callable
from functools import wraps
from typing import TYPE_CHECKING, Any
from typing import TYPE_CHECKING, Any, TypeVar

from mpp import Challenge, Credential, Receipt
from mpp.errors import PaymentRequiredError
Expand All @@ -16,6 +16,8 @@
if TYPE_CHECKING:
from mpp.server.intent import Intent

R = TypeVar("R")

RequestParamsType = dict[str, Any] | Callable[[Any], dict[str, Any]]


Expand Down Expand Up @@ -63,7 +65,7 @@ def make_challenge_response(challenge: Challenge, realm: str) -> Any:
}


def wrap_payment_handler[R](
def wrap_payment_handler(
handler: Callable[..., Awaitable[R]],
verify_fn: Callable[[str | None, Any], Awaitable[Challenge | tuple[Credential, Receipt]]],
realm_fn: Callable[[], str],
Expand Down Expand Up @@ -117,7 +119,7 @@ async def wrapper(*args: Any, **kwargs: Any) -> R | Any:
return wrapper


def pay[R](
def pay(
*,
intent: Intent,
request: RequestParamsType,
Expand Down