chore(ci): drop support for Python 3.7 (#3638)

* Python 3.7 deprecation + cleaning code with unnecessary compats

* Ops, missing a file

* Ops, missing a file

* Reverting a potential breaking change

* Refactoring data class to cache some properties

* Importing from typing_extensions directly

* Reverting

* Addressing Heitor's feedback

---------

Co-authored-by: Heitor Lessa <[email protected]>

Author: leandrodamascena

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -58,7 +58,6 @@ body:
     attributes:
       label: AWS Lambda function runtime
       options:
-        - "3.7"
         - "3.8"
         - "3.9"
         - "3.10"

.github/ISSUE_TEMPLATE/static_typing.yml

@@ -25,7 +25,6 @@ body:
     attributes:
       label: AWS Lambda function runtime
       options:
-        - "3.7"
         - "3.8"
         - "3.9"
         - "3.10"

.github/workflows/quality_check.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     env:
       PYTHON: "${{ matrix.python-version }}"
     permissions:

.github/workflows/quality_check_pydanticv2.yml

@@ -43,7 +43,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     env:
       PYTHON: "${{ matrix.python-version }}"
     permissions:

.github/workflows/run-e2e-tests.yml

@@ -47,7 +47,7 @@ jobs:
     strategy:
       fail-fast: false # needed so if a version fails, the others will still be able to complete and cleanup
       matrix:
-        version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     if: ${{ github.actor != 'dependabot[bot]' && github.repository == 'aws-powertools/powertools-lambda-python' }}
     steps:
       - name: "Checkout"

README.md

@@ -3,7 +3,7 @@
 
 [![Build](https://github.com/aws-powertools/powertools-lambda-python/actions/workflows/quality_check.yml/badge.svg)](https://github.com/aws-powertools/powertools-lambda-python/actions/workflows/python_build.yml)
 [![codecov.io](https://codecov.io/github/aws-powertools/powertools-lambda-python/branch/develop/graphs/badge.svg)](https://app.codecov.io/gh/aws-powertools/powertools-lambda-python)
-![PythonSupport](https://img.shields.io/static/v1?label=python&message=%203.7|%203.8|%203.9|%203.10|%203.11|%203.12&color=blue?style=flat-square&logo=python) ![PyPI version](https://badge.fury.io/py/aws-lambda-powertools.svg) ![PyPi monthly downloads](https://img.shields.io/pypi/dm/aws-lambda-powertools) [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python/badge)](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python) [![Join our Discord](https://dcbadge.vercel.app/api/server/B8zZKbbyET)](https://discord.gg/B8zZKbbyET)
+![PythonSupport](https://img.shields.io/static/v1?label=python&message=%203.8|%203.9|%203.10|%203.11|%203.12&color=blue?style=flat-square&logo=python) ![PyPI version](https://badge.fury.io/py/aws-lambda-powertools.svg) ![PyPi monthly downloads](https://img.shields.io/pypi/dm/aws-lambda-powertools) [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python/badge)](https://api.securityscorecards.dev/projects/github.com/aws-powertools/powertools-lambda-python) [![Join our Discord](https://dcbadge.vercel.app/api/server/B8zZKbbyET)](https://discord.gg/B8zZKbbyET)
 
 Powertools for AWS Lambda (Python) is a developer toolkit to implement Serverless [best practices and increase developer velocity](https://docs.powertools.aws.dev/lambda/python/latest/#features).
 

aws_lambda_powertools/logging/compat.py

@@ -22,7 +22,6 @@
     overload,
 )
 
-from aws_lambda_powertools.logging import compat
 from aws_lambda_powertools.shared import constants
 from aws_lambda_powertools.shared.functions import (
     extract_event_from_common_models,
@@ -302,9 +301,6 @@ def _init_logger(
         self.addHandler(self.logger_handler)
         self.structure_logs(formatter_options=formatter_options, **kwargs)
 
-        # Maintenance: We can drop this upon Py3.7 EOL. It's a backport for "location" key to work
-        self._logger.findCaller = compat.findCaller  # type: ignore[method-assign]
-
         # Pytest Live Log feature duplicates log records for colored output
         # but we explicitly add a filter for log deduplication.
         # This flag disables this protection when you explicit want logs to be duplicated (#262)
@@ -467,9 +463,6 @@ def info(
         extra = extra or {}
         extra = {**extra, **kwargs}
 
-        # Maintenance: We can drop this upon Py3.7 EOL. It's a backport for "location" key to work
-        if sys.version_info < (3, 8):  # pragma: no cover
-            return self._logger.info(msg, *args, exc_info=exc_info, stack_info=stack_info, extra=extra)
         return self._logger.info(
             msg,
             *args,
@@ -492,9 +485,6 @@ def error(
         extra = extra or {}
         extra = {**extra, **kwargs}
 
-        # Maintenance: We can drop this upon Py3.7 EOL. It's a backport for "location" key to work
-        if sys.version_info < (3, 8):  # pragma: no cover
-            return self._logger.error(msg, *args, exc_info=exc_info, stack_info=stack_info, extra=extra)
         return self._logger.error(
             msg,
             *args,
@@ -517,9 +507,6 @@ def exception(
         extra = extra or {}
         extra = {**extra, **kwargs}
 
-        # Maintenance: We can drop this upon Py3.7 EOL. It's a backport for "location" key to work
-        if sys.version_info < (3, 8):  # pragma: no cover
-            return self._logger.exception(msg, *args, exc_info=exc_info, stack_info=stack_info, extra=extra)
         return self._logger.exception(
             msg,
             *args,
@@ -542,9 +529,6 @@ def critical(
         extra = extra or {}
         extra = {**extra, **kwargs}
 
-        # Maintenance: We can drop this upon Py3.7 EOL. It's a backport for "location" key to work
-        if sys.version_info < (3, 8):  # pragma: no cover
-            return self._logger.critical(msg, *args, exc_info=exc_info, stack_info=stack_info, extra=extra)
         return self._logger.critical(
             msg,
             *args,
@@ -567,9 +551,6 @@ def warning(
         extra = extra or {}
         extra = {**extra, **kwargs}
 
-        # Maintenance: We can drop this upon Py3.7 EOL. It's a backport for "location" key to work
-        if sys.version_info < (3, 8):  # pragma: no cover
-            return self._logger.warning(msg, *args, exc_info=exc_info, stack_info=stack_info, extra=extra)
         return self._logger.warning(
             msg,
             *args,
@@ -592,9 +573,6 @@ def debug(
         extra = extra or {}
         extra = {**extra, **kwargs}
 
-        # Maintenance: We can drop this upon Py3.7 EOL. It's a backport for "location" key to work
-        if sys.version_info < (3, 8):  # pragma: no cover
-            return self._logger.debug(msg, *args, exc_info=exc_info, stack_info=stack_info, extra=extra)
         return self._logger.debug(
             msg,
             *args,

aws_lambda_powertools/logging/logger.py

@@ -1,10 +1,5 @@
 import sys
-from typing import Any, Callable, Dict, List, TypeVar, Union
-
-if sys.version_info >= (3, 8):
-    from typing import Literal, Protocol, TypedDict
-else:
-    from typing_extensions import Literal, Protocol, TypedDict
+from typing import Any, Callable, Dict, List, Literal, Protocol, TypedDict, TypeVar, Union
 
 if sys.version_info >= (3, 9):
     from typing import Annotated
@@ -16,7 +11,6 @@
 else:
     from typing_extensions import NotRequired
 
-
 # Even though `get_args` and `get_origin` were added in Python 3.8, they only handle Annotated correctly on 3.10.
 # So for python < 3.10 we use the backport from typing_extensions.
 if sys.version_info >= (3, 10):

aws_lambda_powertools/shared/types.py

@@ -1,3 +1,4 @@
+from functools import cached_property
 from typing import Any, Dict, Iterator, Optional
 
 from aws_lambda_powertools.utilities.data_classes.common import DictWrapper
@@ -23,12 +24,9 @@ def decoded_data(self) -> str:
         """Decodes the data as a str"""
         return base64_decode(self.data)
 
-    @property
+    @cached_property
     def json_data(self) -> Any:
-        """Parses the data as json"""
-        if self._json_data is None:
-            self._json_data = self._json_deserializer(self.decoded_data)
-        return self._json_data
+        return self._json_deserializer(self.decoded_data)
 
     @property
     def connection_id(self) -> str: