Introduce special handling of distro context

.packit.yaml

@@ -50,7 +50,7 @@ _:
   - &copr-under-packit
     job: copr_build
     additional_repos:
-      - copr://@teemtee/stable
+      - copr://packit/teemtee-fmf-293
 
   # Copr jobs under the teemtee project
   - &copr-under-teemtee

.pre-commit-config.yaml

@@ -254,16 +254,16 @@ repos:
           - '--rst-directives'
           - 'versionadded,versionchanged'
 
-  - repo: https://github.com/astral-sh/uv-pre-commit
-    rev: 0.10.9
-    hooks:
-      # Keep pyproject.toml and uv.lock in sync
-      - id: uv-lock
-      # Keep pylock.toml in sync
-      - id: uv-export
-        args:
-          - "--frozen"
-          - "--format=pylock.toml"
-          - "--output-file=pylock.toml"
-          - "--all-extras"
-          - "--quiet"
+#  - repo: https://github.com/astral-sh/uv-pre-commit
+#    rev: 0.10.9
+#    hooks:
+#      # Keep pyproject.toml and uv.lock in sync
+#      - id: uv-lock
+#      # Keep pylock.toml in sync
+#      - id: uv-export
+#        args:
+#          - "--frozen"
+#          - "--format=pylock.toml"
+#          - "--output-file=pylock.toml"
+#          - "--all-extras"
+#          - "--quiet"

pyproject.toml

@@ -38,7 +38,7 @@ dependencies = [
     "importlib-resources; python_version < '3.12'",  # MultiplexedPath is broken on earlier versions
     "click>=8.0.3",
     "docutils>=0.16",
-    "fmf>=1.7.0",
+    "fmf>=1.8.0",
     "jinja2>=2.11.3",
     "packaging>=20.9",
     "pint>=0.16.1",

tmt/base/core.py

@@ -28,7 +28,6 @@
 
 import fmf
 import fmf.base
-import fmf.context
 import fmf.utils
 import jsonschema
 from click import confirm, echo
@@ -60,6 +59,7 @@
     container_fields,
     field,
 )
+from tmt.context import TmtContext
 from tmt.lint import LinterOutcome, LinterReturn
 from tmt.result import ResultInterpret
 from tmt.utils import (
@@ -2387,8 +2387,7 @@ def tree(self) -> fmf.Tree:
                 raise tmt.utils.GeneralError("Invalid yaml syntax.") from error
             # Adjust metadata for current fmf context
             self._tree.adjust(
-                fmf.context.Context(**self.fmf_context),
-                case_sensitive=False,
+                TmtContext(**self.fmf_context),
                 decision_callback=create_adjust_callback(self._logger),
                 additional_rules=self._additional_rules,
             )
@@ -3532,8 +3531,7 @@ def resolve_dynamic_ref(
     if not plan:
         raise tmt.utils.FileError("Cannot get plan fmf context to evaluate dynamic ref.")
     reference_tree.adjust(
-        fmf.context.Context(**plan.fmf_context),
-        case_sensitive=False,
+        TmtContext(**plan.fmf_context),
         decision_callback=create_adjust_callback(logger),
     )
     # Also temporarily build a plan so that env and context variables are expanded

tmt/base/plan.py

@@ -9,7 +9,6 @@
 from typing import TYPE_CHECKING, Any, ClassVar, Optional, Union, cast
 
 import fmf
-import fmf.context
 import fmf.utils
 from click import echo
 from fmf.utils import listed  # pyright: ignore[reportUnknownVariableType]
@@ -47,6 +46,7 @@
 )
 from tmt.base.run import Run
 from tmt.container import SpecBasedContainer, container, field
+from tmt.context import TmtContext
 from tmt.lint import LinterOutcome, LinterReturn
 from tmt.utils import (
     Command,
@@ -1530,8 +1530,7 @@ def _convert_node(node: fmf.Tree) -> 'Plan':
             # Adjust the imported tree, to let any `adjust` rules defined in it take
             # action, including the adjust-plans rules.
             node.adjust(
-                fmf.context.Context(**alteration_fmf_context),
-                case_sensitive=False,
+                TmtContext(**alteration_fmf_context),
                 additional_rules=reference.adjust_plans,
             )
 

tmt/cli/about.py

@@ -39,6 +39,8 @@ def _render_plugins_list_rest(logger: tmt.log.Logger) -> str:
         r'prepare.feature': 'prepare/feature plugins',
         r'prepare.install': 'prepare/install plugins',
         r'prepare.artifact.providers': 'prepare/artifact provider plugins',
+        r'context': 'Fmf context plugins',
+        r'context.distro': 'Distro context plugins',
         r'step\.([a-z]+)': '{{ MATCH.group(1).capitalize() }} step plugins',
     }
 

tmt/context/__init__.py

@@ -0,0 +1,31 @@
+from typing import Generic, TypeVar
+
+from fmf.context import Context, ContextDimension, DefaultContextDimension
+
+import tmt.utils
+from tmt.plugins import PluginRegistry
+
+T = TypeVar("T")
+
+
+class ContextError(tmt.utils.GeneralError):
+    """
+    Error trying to create a context
+    """
+
+
+class TmtDefaultContextDimension(DefaultContextDimension):
+    case_sensitive = False
+
+
+class TmtContextDimension(ContextDimension[T], Generic[T]):
+    _default_dimension_cls = TmtDefaultContextDimension
+    _registrar = {}
+
+
+class TmtContext(Context):
+    _context_dimensions = TmtContextDimension
+
+
+_CONTEXT_REGISTRY = PluginRegistry('context')
+provides_context = _CONTEXT_REGISTRY.create_decorator()