deprecate poetry.core.masonry.builder (not a core functionality, only used in poetry build)

src/poetry/core/masonry/builder.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import warnings
+
 from typing import TYPE_CHECKING
 
 
@@ -9,6 +11,14 @@
     from poetry.core.poetry import Poetry
 
 
+warnings.warn(
+    "poetry.core.masonry.builder is deprecated. Its functionality has been moved"
+    "from poetry-core to poetry (poetry.console.commands.build).",
+    DeprecationWarning,
+    stacklevel=2,
+)
+
+
 class Builder:
     def __init__(self, poetry: Poetry) -> None:
         from poetry.core.masonry.builders.sdist import SdistBuilder

tests/masonry/test_builder.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import shutil
+import warnings
 
 from contextlib import contextmanager
 from pathlib import Path
@@ -10,7 +11,11 @@
 import pytest
 
 from poetry.core.factory import Factory
-from poetry.core.masonry.builder import Builder
+
+
+with warnings.catch_warnings():
+    warnings.filterwarnings("ignore", category=DeprecationWarning)
+    from poetry.core.masonry.builder import Builder
 
 
 if TYPE_CHECKING: