👷 Use own workflow for creating and publishing new releases

This should help users see the exact line they wrote that triggered the warning.

.github/workflows/ci.yaml

@@ -2,17 +2,15 @@ name: CI
 
 on:
   push:
-    branches:
-      - master
+    branches: master
+    tags: 'v*.*.*'
 
 jobs:
-  test-and-check:
-    name: Tests and checks
-    uses: daniil-berg/reusable-workflows/.github/workflows/python-test.yaml@v0.0.1
+  test:
+    name: Test
+    uses: daniil-berg/reusable-workflows/.github/workflows/python-test.yaml@v0.2.1
     with:
       versions: '["3.9", "3.10", "3.11"]'
-      cache: pip
-      cache-dependency-path: pyproject.toml
       unittest-command: 'scripts/test.sh'
       coverage-command: 'scripts/cov.sh'
       unittest-requirements: "-e '.[dev]'"
@@ -21,3 +19,16 @@ jobs:
       typecheck-all-versions: true
       lint-command: 'scripts/lint.sh'
       lint-requirements: '-Ur requirements/dev.txt'
+
+  release:
+    name: Release
+    if: ${{ github.ref_type == 'tag' }}
+    needs: test
+    uses: daniil-berg/reusable-workflows/.github/workflows/python-release.yaml@v0.2.1
+    with:
+      git-ref: ${{ github.ref_name }}
+    secrets:
+      release-token: ${{ secrets.TOKEN_GITHUB_CREATE_RELEASE }}
+      publish-token: ${{ secrets.TOKEN_PYPI_PROJECT }}
+    permissions:
+      contents: write

pyproject.toml

@@ -37,18 +37,15 @@ dynamic = [
 ]
 
 [project.optional-dependencies]
-full = [
-
-]
 dev = [
-    "black",
-    "build",
-    "coverage[toml]",
-    "isort",
-    "mkdocs-material",
-    "mkdocstrings[python]",
-    "mypy",
-    "ruff",
+    "black==23.3.0",
+    "build==0.10.0",
+    "coverage[toml]==7.2.3",
+    "isort==5.12.0",
+    "mkdocs-material==9.1.6",
+    "mkdocstrings[python]==0.21.2",
+    "mypy==1.2.0",
+    "ruff==0.0.262",
 ]
 
 [project.urls]

requirements/common.txt

@@ -1 +1 @@
-marshmallow
+marshmallow>=3.12.0

requirements/dev.txt

@@ -1,9 +1,9 @@
 -r common.txt
-black
-build
-coverage[toml]
-isort
-mkdocs-material
-mkdocstrings[python]
-mypy
-ruff
+black==23.3.0
+build==0.10.0
+coverage[toml]==7.2.3
+isort==5.12.0
+mkdocs-material==9.1.6
+mkdocstrings[python]==0.21.2
+mypy==1.2.0
+ruff==0.0.262

src/marshmallow_generic/schema.py

@@ -16,6 +16,11 @@ from .decorators import post_load
 
 Model = TypeVar("Model")
 
+MANY_SCHEMA_UNSAFE = (
+    "Changing `many` schema-wide breaks type safety. "
+    "Use the the `many` parameter of specific methods (like `load`) instead."
+)
+
 
 class GenericSchema(GenericInsightMixin1[Model], Schema):
     """
@@ -100,6 +105,7 @@ class GenericSchema(GenericInsightMixin1[Model], Schema):
                     [`load`][marshmallow_generic.GenericSchema.load]/
                     [`loads`][marshmallow_generic.GenericSchema.loads].
         """
+        self._pre_init = True
         super().__init__(
             only=only,
             exclude=exclude,
@@ -110,6 +116,7 @@ class GenericSchema(GenericInsightMixin1[Model], Schema):
             partial=partial,
             unknown=unknown,
         )
+        self._pre_init = False
 
     def __setattr__(self, name: str, value: Any) -> None:
         """
@@ -119,10 +126,7 @@ class GenericSchema(GenericInsightMixin1[Model], Schema):
         [`object.__setattr__`](https://docs.python.org/3/reference/datamodel.html#object.__setattr__).
         """
         if name == "many" and value is not False:
-            warn(
-                "Changing `many` schema-wide breaks type safety. Use the the "
-                "`many` parameter of specific methods (like `load`) instead."
-            )
+            warn(MANY_SCHEMA_UNSAFE, stacklevel=4 if self._pre_init else 2)
         super().__setattr__(name, value)
 
     @post_load