added the changes in drop support for python 3.7 from v1

.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/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 = [
@@ -51,7 +59,7 @@ 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%}

@@ -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 = [
@@ -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 = (

pyproject.toml

@@ -37,12 +37,11 @@ license = "Apache-2.0"
 "Youtube" = "https://www.youtube.com/meltano"
 
 [tool.poetry.dependencies]
-python = ">=3.8,<4"
+python = "<4,>=3.8"
 backoff = ">=2.0.0"
 click = "~=8.0"
 cryptography = ">=3.4.6,<42.0.0"
 fs = ">=2.4.16"
-importlib-metadata = {version = "<7.0.0", markers = "python_version < \"3.8\""}
 importlib-resources = {version = ">=5.12.0", markers = "python_version < \"3.9\""}
 inflection = ">=0.5.1"
 joblib = ">=1.0.1"
@@ -71,7 +70,7 @@ sphinx-copybutton = {version = ">=0.3.1", optional = true}
 myst-parser = {version = ">=1", optional = true}
 sphinx-autobuild = {version = ">=2021.3.14", optional = true}
 sphinx-reredirects = {version = ">=0.1.1", optional = true}
-sphinx-inline-tabs = {version = ">=2023.4.21", optional = true, markers = "python_version >= \"3.8\""}
+sphinx-inline-tabs = {version = ">=2023.4.21", optional = true}
 
 # File storage dependencies installed as optional 'filesystem' extras
 fs-s3fs = {version = ">=1.1.1", optional = true}
@@ -104,10 +103,7 @@ coverage = {extras = ["toml"], version = ">=7.2"}
 duckdb = ">=0.8.0"
 duckdb-engine = ">=0.9.2"
 mypy = ">=1.0"
-numpy = [
-    { version = "<1.22", python = "<3.8" },
-    { version = ">=1.22", python = ">=3.8" },
-]
+numpy = ">=1.22"
 pyarrow = ">=11,<13"
 pytest-benchmark = "^4.0.0"
 pytest-snapshot = ">=0.9.0"
@@ -285,8 +281,6 @@ unfixable = [
 "tests/*" = ["ANN", "D1", "D2", "FBT001", "FBT003", "PLR2004", "S101"]
 # Disabled some checks in samples code
 "samples/*" = ["ANN", "D"]
-# Don't require docstrings conventions or type annotations in private modules
-"singer_sdk/helpers/_*.py" = ["ANN", "D105"]
 # Templates support a generic resource of type Any.
 "singer_sdk/testing/*.py" = ["S101"]
 "singer_sdk/testing/templates.py" = ["ANN401"]

singer_sdk/helpers/_batch.py

@@ -82,7 +82,7 @@ class SDKBatchMessage(Message):
     manifest: list[str] = field(default_factory=list)
     """The manifest of files in the batch."""
 
-    def __post_init__(self):
+    def __post_init__(self) -> None:
         if isinstance(self.encoding, dict):
             self.encoding = BaseBatchFileEncoding.from_dict(self.encoding)
 
@@ -102,7 +102,7 @@ class StorageTarget:
     params: dict = field(default_factory=dict)
     """"The storage parameters."""
 
-    def asdict(self):
+    def asdict(self) -> dict[str, t.Any]:
         """Return a dictionary representation of the message.
 
         Returns:
@@ -134,7 +134,7 @@ def split_url(url: str) -> tuple[str, str]:
         """
         if platform.system() == "Windows" and "\\" in url:
             # Original code from pyFileSystem split
-            # Augemnted slitly to properly Windows paths
+            # Augmented slightly to properly handle Windows path
             split = url.rsplit("\\", 1)
             return (split[0] or "\\", split[1])
 
@@ -214,7 +214,7 @@ class BatchConfig:
     batch_size: int = DEFAULT_BATCH_SIZE
     """The max number of records in a batch."""
 
-    def __post_init__(self):
+    def __post_init__(self) -> None:
         if isinstance(self.encoding, dict):
             self.encoding = BaseBatchFileEncoding.from_dict(self.encoding)
 
@@ -224,7 +224,7 @@ def __post_init__(self):
         if self.batch_size is None:
             self.batch_size = DEFAULT_BATCH_SIZE
 
-    def asdict(self):
+    def asdict(self) -> dict[str, t.Any]:
         """Return a dictionary representation of the message.
 
         Returns:

singer_sdk/helpers/_flattening.py

@@ -70,7 +70,7 @@ def flatten_key(key_name: str, parent_keys: list[str], separator: str = "__") ->
             inflection.camelize(inflected_key[reducer_index]),
         )
         inflected_key[reducer_index] = (
-            reduced_key if len(reduced_key) > 1 else inflected_key[reducer_index][0:3]
+            reduced_key if len(reduced_key) > 1 else inflected_key[reducer_index][:3]
         ).lower()
         reducer_index += 1
 
@@ -358,8 +358,8 @@ def _flatten_schema(  # noqa: C901, PLR0912
                 items.append((new_key, next(iter(field_schema.values()))[0]))
 
     # Sort and check for duplicates
-    def _key_func(item):
-        return item[0]  # first item is tuple is the key name.
+    def _key_func(item: tuple[str, dict]) -> str:
+        return item[0]  # first item in tuple is the key name.
 
     sorted_items = sorted(items, key=_key_func)
     for field_name, g in itertools.groupby(sorted_items, key=_key_func):
@@ -451,7 +451,11 @@ def _flatten_record(
     return dict(items)
 
 
-def _should_jsondump_value(key: str, value: t.Any, flattened_schema=None) -> bool:
+def _should_jsondump_value(
+    key: str,
+    value: t.Any,  # noqa: ANN401
+    flattened_schema: dict[str, t.Any] | None = None,
+) -> bool:
     """Return True if json.dump() should be used to serialize the value.
 
     Args:

singer_sdk/helpers/_secrets.py

@@ -28,7 +28,7 @@ def is_common_secret_key(key_name: str) -> bool:
 class SecretString(str):
     """For now, this class wraps a sensitive string to be identified as such later."""
 
-    def __init__(self, contents):
+    def __init__(self, contents: str) -> None:
         """Initialize secret string."""
         self.contents = contents