Add support for context formatting in builder dependencies.

backend/src/hatchling/builders/config.py

@@ -14,6 +14,7 @@
 
 if TYPE_CHECKING:
     from hatchling.builders.plugin.interface import BuilderInterface
+    from hatchling.utils.context import Context
 
 
 class BuilderConfig:
@@ -30,6 +31,7 @@ def __init__(
         self.__plugin_name = plugin_name
         self.__build_config = build_config
         self.__target_config = target_config
+        self.__context: Context | None = None
         self.__hook_config: dict[str, Any] | None = None
         self.__versions: list[str] | None = None
         self.__dependencies: list[str] | None = None
@@ -89,6 +91,15 @@ def build_config(self) -> dict[str, Any]:
     def target_config(self) -> dict[str, Any]:
         return self.__target_config
 
+    @property
+    def context(self) -> Context:
+        if self.__context is None:
+            from hatchling.utils.context import Context
+
+            self.__context = Context(self.root)
+
+        return self.__context
+
     def include_path(self, relative_path: str, *, explicit: bool = False, is_package: bool = True) -> bool:
         return (
             self.path_is_build_artifact(relative_path)
@@ -575,7 +586,7 @@ def dependencies(self) -> list[str]:
                     )
                     raise TypeError(message)
 
-                dependencies[dependency] = None
+                dependencies[self.context.format(dependency)] = None
 
             global_dependencies = self.build_config.get('dependencies', [])
             if not isinstance(global_dependencies, list):
@@ -587,7 +598,7 @@ def dependencies(self) -> list[str]:
                     message = f'Dependency #{i} of field `tool.hatch.build.dependencies` must be a string'
                     raise TypeError(message)
 
-                dependencies[dependency] = None
+                dependencies[self.context.format(dependency)] = None
 
             require_runtime_dependencies = self.require_runtime_dependencies
             require_runtime_features = dict.fromkeys(self.require_runtime_features)
@@ -642,7 +653,7 @@ def dependencies(self) -> list[str]:
                         )
                         raise TypeError(message)
 
-                    dependencies[dependency] = None
+                    dependencies[self.context.format(dependency)] = None
 
             if require_runtime_dependencies:
                 for dependency in self.builder.metadata.core.dependencies:
@@ -677,7 +688,7 @@ def dynamic_dependencies(self) -> list[str]:
             except ImportError:
                 continue
 
-            dependencies.extend(build_hook.dependencies())
+            dependencies.extend([self.context.format(dependency) for dependency in build_hook.dependencies()])
 
         return dependencies