feat(foundry): add python_version_minor computed field (#56)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: olivermeyer

ATTRIBUTIONS.md

@@ -4,7 +4,7 @@
 
 This project includes code from the following third-party open source projects:
 
-## Authlib (1.6.9) - BSD License
+## Authlib (1.6.11) - BSD License
 
 The ultimate Python library in building OAuth and OpenID Connect servers and clients.
 
@@ -360,7 +360,7 @@ SOFTWARE.
 
 ```
 
-## aignostics-foundry-core (0.12.0) - MIT License
+## aignostics-foundry-core (0.12.1) - MIT License
 
 🏭 Foundational infrastructure for Foundry components.
 
@@ -6393,7 +6393,7 @@ Python logging made (stupidly) simple
 * URL: https://github.com/Delgan/loguru
 * Author(s): Delgan <delgan.py@gmail.com>
 
-## lxml (6.0.2) - BSD-3-Clause
+## lxml (6.1.0) - BSD-3-Clause
 
 Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.
 
@@ -7296,7 +7296,7 @@ SOFTWARE.
 
 ```
 
-## pip (26.0.1) - UNKNOWN
+## pip (26.1) - UNKNOWN
 
 The PyPA recommended tool for installing Python packages.
 
@@ -9966,30 +9966,219 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 ```
 
-## python-multipart (0.0.22) - Apache Software License
+## python-multipart (0.0.26) - Apache Software License
 
 A streaming multipart parser for Python
 
 * URL: https://github.com/Kludex/python-multipart
-* Author(s): Andrew Dunham <andrew@du.nham.ca>, Marcelo Trylesinski <marcelotryle@gmail.com>
+* Author(s): Andrew Dunham <andrew@du.nham.ca>
+* Maintainer(s): Marcelo Trylesinski <marcelotryle@gmail.com>
 
 ### License Text
 
 ```
-Copyright 2012, Andrew Dunham
 
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src/aignostics_foundry_core/AGENTS.md

@@ -50,7 +50,7 @@ This file provides an overview of all modules in `aignostics_foundry_core`, thei
     Defaults to empty values for direct construction (e.g. in tests).
   - `FoundryContext(BaseModel)` — frozen; fields: `name`, `version`, `version_full`, `version_with_vcs_ref`, `environment`,
     `env_file: list[Path]`, `env_prefix`, `python_version` (Python runtime version string,
-    e.g. `"3.11.9"`), `metadata: PackageMetadata` (all package-derived fields: description,
+    e.g. `"3.11.9"`), `python_version_minor` (computed; major and minor only, e.g. `"3.11"`), `metadata: PackageMetadata` (all package-derived fields: description,
     author, URLs; populated by `from_package()` via `PackageMetadata.from_name()`; defaults to
     empty `PackageMetadata()`), plus four runtime mode bool flags: `is_container`, `is_cli`,
     `is_test`, `is_library` (all default `False`), and `database: DatabaseSettings | None`

src/aignostics_foundry_core/foundry.py

@@ -28,7 +28,7 @@
 from pathlib import Path
 
 from dotenv import dotenv_values
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, computed_field
 
 from aignostics_foundry_core.database import DatabaseSettings
 
@@ -127,6 +127,21 @@ class FoundryContext(BaseModel):
     is_test: bool = False
     is_library: bool = False
     python_version: str = ""
+
+    @computed_field
+    @property
+    def python_version_minor(self) -> str:
+        """Python runtime version limited to major and minor components (e.g. ``'3.11'``).
+
+        Derived from :attr:`python_version`.  Returns ``""`` when :attr:`python_version`
+        is not set (e.g. when the context is constructed directly in tests without
+        specifying a version).
+        """
+        if not self.python_version:
+            return ""
+        major_minor_part_count = 2
+        return ".".join(self.python_version.split(".")[:major_minor_part_count])
+
     project_path: Path | None = None
     metadata: PackageMetadata = Field(default_factory=PackageMetadata)
     """Package-derived author and description metadata.

tests/aignostics_foundry_core/foundry_test.py

@@ -120,6 +120,28 @@ def test_from_package_python_version_matches_platform() -> None:
     assert ctx.python_version == platform.python_version()
 
 
+@pytest.mark.unit
+def test_foundry_context_python_version_minor_from_full_version() -> None:
+    """python_version_minor returns major.minor when python_version is a full x.y.z string."""
+    ctx = make_context(python_version="3.11.9")
+    assert ctx.python_version_minor == "3.11"
+
+
+@pytest.mark.unit
+def test_foundry_context_python_version_minor_empty_when_version_unset() -> None:
+    """python_version_minor returns '' when python_version is not set."""
+    ctx = make_context()
+    assert not ctx.python_version_minor
+
+
+@pytest.mark.unit
+def test_foundry_context_python_version_minor_from_package() -> None:
+    """from_package() produces python_version_minor consistent with platform.python_version()."""
+    ctx = FoundryContext.from_package(PACKAGE_NAME)
+    expected = ".".join(platform.python_version().split(".")[:2])
+    assert ctx.python_version_minor == expected
+
+
 @pytest.mark.unit
 def test_from_package_returns_correct_name() -> None:
     """from_package() sets .name to the package_name argument."""

tests/conftest.py

@@ -85,6 +85,7 @@ def make_context(  # noqa: PLR0913
     database: DatabaseSettings | None = None,
     env_file: list[Path] | None = None,
     metadata: PackageMetadata | None = None,
+    python_version: str = "",
     **kwargs: bool,
 ) -> FoundryContext:
     """Create a minimal FoundryContext for testing.
@@ -103,6 +104,8 @@ def make_context(  # noqa: PLR0913
         metadata: Optional :class:`~aignostics_foundry_core.foundry.PackageMetadata`
             to attach to the context.  When ``None``, a ``PackageMetadata`` with
             ``repository_url`` set from the *repository_url* argument is used.
+        python_version: Python runtime version string (e.g. ``"3.11.9"``).  Defaults to
+            ``""`` so contexts constructed in tests work without specifying a version.
         **kwargs: Optional boolean flags forwarded to :class:`FoundryContext`
             (``is_test``, ``is_cli``, ``is_container``, ``is_library``).
     """
@@ -118,5 +121,6 @@ def make_context(  # noqa: PLR0913
         database=database,
         env_file=env_file or [],
         metadata=resolved_metadata,
+        python_version=python_version,
         **kwargs,  # type: ignore[arg-type]
     )