fix!: Drop support for Python 3.7 (#1837)

Author: edgarrmondragon

.github/ISSUE_TEMPLATE/bug.yml

@@ -32,10 +32,10 @@ body:
       description: Version of Python you are using
       options:
         - "3.6 (deprecated)"
-        - "3.7"
         - "3.8"
         - "3.9"
         - "3.10"
+        - "3.11"
         - "NA"
     validations:
       required: true
@@ -75,6 +75,6 @@ body:
     attributes:
       label: Code
       description: Paste the failing code and/or traceback, if applicable
-      render: python
+      render: Python
     validations:
       required: false

.github/workflows/test.yml

@@ -46,7 +46,7 @@ jobs:
       matrix:
         session: [tests]
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
         sqlalchemy: ["2.*"]
         include:
         - { session: tests,   python-version: "3.11", os: "ubuntu-latest", sqlalchemy: "1.*" }

cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/pyproject.toml

@@ -21,8 +21,8 @@ packages = [
 {%- endif %}
 
 [tool.poetry.dependencies]
-python = "<3.12,>=3.7.1"
-singer-sdk = { version="^0.31.1" }
+python = "<4,>=3.8"
+singer-sdk = { version="^0.30.0" }
 fs-s3fs = { version = "^1.1.1", optional = true }
 
 [tool.poetry.group.dev.dependencies]

cookiecutter/tap-template/{{cookiecutter.tap_id}}/.github/workflows/{% if cookiecutter.include_ci_files == 'GitHub' %}test.yml{%endif%}

@@ -12,7 +12,7 @@ jobs:
       GITHUB_TOKEN: {{ '${{secrets.GITHUB_TOKEN}}' }}
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python {{ '${{ matrix.python-version }}' }}

cookiecutter/tap-template/{{cookiecutter.tap_id}}/pyproject.toml

@@ -12,6 +12,14 @@ keywords = [
     "ELT",
     "{{cookiecutter.source_name}}",
 ]
+classifiers = [
+    "Intended Audience :: Developers",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+]
 license = "Apache-2.0"
 {%- if cookiecutter.variant != "None (Skip)" %}
 packages = [
@@ -20,14 +28,13 @@ packages = [
 {%- endif %}
 
 [tool.poetry.dependencies]
-python = "<3.12,>=3.7.1"
-singer-sdk = { version="^0.31.1" }
+python = "<4,>=3.8"
+singer-sdk = { version="^0.31.0" }
 fs-s3fs = { version = "^1.1.1", optional = true }
 {%- if cookiecutter.stream_type in ["REST", "GraphQL"] %}
 requests = "^2.31.0"
 {%- endif %}
 {%- if cookiecutter.auth_method in ("OAuth2", "JWT") %}
-cached-property = "^1" # Remove after Python 3.7 support is dropped
 {%- endif %}
 
 [tool.poetry.group.dev.dependencies]
@@ -51,7 +58,7 @@ ignore = [
 ]
 select = ["ALL"]
 src = ["{{cookiecutter.library_name}}"]
-target-version = "py37"
+target-version = "py38"
 
 
 [tool.ruff.flake8-annotations]

cookiecutter/tap-template/{{cookiecutter.tap_id}}/tox.ini

@@ -1,7 +1,7 @@
 # This file can be used to customize tox tests as well as other test frameworks like flake8 and mypy
 
 [tox]
-envlist = py37, py38, py39, py310, py311
+envlist = py38, py39, py310, py311
 isolated_build = true
 
 [testenv]
@@ -13,7 +13,7 @@ commands =
 [testenv:pytest]
 # Run the python tests.
 # To execute, run `tox -e pytest`
-envlist = py37, py38, py39, py310, py311
+envlist = py38, py39, py310, py311
 commands =
     poetry install -v
     poetry run pytest

cookiecutter/tap-template/{{cookiecutter.tap_id}}/{{cookiecutter.library_name}}/{%if 'REST' == cookiecutter.stream_type %}client.py{%endif%}

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 {% if cookiecutter.auth_method in ("OAuth2", "JWT") -%}
-import sys
+from functools import cached_property
 {% endif -%}
 from pathlib import Path
 from typing import Any, Callable, Iterable
@@ -41,14 +41,6 @@ from {{ cookiecutter.library_name }}.auth import {{ cookiecutter.source_name }}A
 
 {% endif -%}
 
-{%- if cookiecutter.auth_method in ("OAuth2", "JWT") -%}
-if sys.version_info >= (3, 8):
-    from functools import cached_property
-else:
-    from cached_property import cached_property
-
-{% endif -%}
-
 _Auth = Callable[[requests.PreparedRequest], requests.PreparedRequest]
 SCHEMAS_DIR = Path(__file__).parent / Path("./schemas")
 

cookiecutter/target-template/{{cookiecutter.target_id}}/.github/workflows/{% if cookiecutter.include_ci_files == 'GitHub' %}test.yml{%endif%}

@@ -12,7 +12,7 @@ jobs:
       GITHUB_TOKEN: {{ '${{secrets.GITHUB_TOKEN}}' }}
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python {{ '${{ matrix.python-version }}' }}

cookiecutter/target-template/{{cookiecutter.target_id}}/pyproject.toml

@@ -12,6 +12,14 @@ keywords = [
     "ELT",
     "{{cookiecutter.destination_name}}",
 ]
+classifiers = [
+    "Intended Audience :: Developers",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+]
 license = "Apache-2.0"
 {%- if cookiecutter.variant != "None (Skip)" %}
 packages = [
@@ -20,8 +28,8 @@ packages = [
 {%- endif %}
 
 [tool.poetry.dependencies]
-python = "<3.12,>=3.7.1"
-singer-sdk = { version="^0.31.1" }
+python = "<4,>=3.8"
+singer-sdk = { version="^0.31.0" }
 fs-s3fs = { version = "^1.1.1", optional = true }
 {%- if cookiecutter.serialization_method != "SQL" %}
 requests = "^2.31.0"
@@ -41,7 +49,7 @@ ignore = [
 ]
 select = ["ALL"]
 src = ["{{cookiecutter.library_name}}"]
-target-version = "py37"
+target-version = "py38"
 
 [tool.ruff.flake8-annotations]
 allow-star-arg-any = true

cookiecutter/target-template/{{cookiecutter.target_id}}/tox.ini

@@ -1,7 +1,7 @@
 # This file can be used to customize tox tests as well as other test frameworks like flake8 and mypy
 
 [tox]
-envlist = py37, py38, py39, py310, py311
+envlist = py38, py39, py310, py311
 isolated_build = true
 
 [testenv]
@@ -13,7 +13,7 @@ commands =
 [testenv:pytest]
 # Run the python tests.
 # To execute, run `tox -e pytest`
-envlist = py37, py38, py39, py310, py311
+envlist = py38, py39, py310, py311
 commands =
     poetry install -v
     poetry run pytest

noxfile.py

@@ -28,7 +28,7 @@
 COOKIECUTTER_REPLAY_FILES = list(Path("./e2e-tests/cookiecutters").glob("*.json"))
 
 package = "singer_sdk"
-python_versions = ["3.11", "3.10", "3.9", "3.8", "3.7"]
+python_versions = ["3.11", "3.10", "3.9", "3.8"]
 main_python_version = "3.10"
 locations = "singer_sdk", "tests", "noxfile.py", "docs/conf.py"
 nox.options.sessions = (