Migrate anonymous Mapping[str, Any] to TypedDicts where their content is fully defined.

src/poetry/core/factory.py

@@ -8,6 +8,7 @@
 from typing import Any
 from typing import List
 from typing import Union
+from typing import cast
 
 from packaging.utils import canonicalize_name
 
@@ -20,6 +21,8 @@
 
     from poetry.core.packages.dependency import Dependency
     from poetry.core.packages.dependency_group import DependencyGroup
+    from poetry.core.packages.project_package import BuildConfigSpec
+    from poetry.core.packages.project_package import IncludeSpec
     from poetry.core.packages.project_package import ProjectPackage
     from poetry.core.poetry import Poetry
     from poetry.core.spdx.license import License
@@ -197,9 +200,11 @@ def configure_package(
 
         if "build" in config:
             build = config["build"]
+            if not build:
+                build = {}
             if not isinstance(build, dict):
                 build = {"script": build}
-            package.build_config = build or {}
+            package.build_config = cast("BuildConfigSpec", build)
 
         if "include" in config:
             package.include = []
@@ -212,8 +217,7 @@ def configure_package(
                 if formats and not isinstance(formats, list):
                     formats = [formats]
                 include["format"] = formats
-
-                package.include.append(include)
+                package.include.append(cast("IncludeSpec", include))
 
         if "exclude" in config:
             package.exclude = config["exclude"]

src/poetry/core/masonry/builders/builder.py

@@ -66,7 +66,7 @@ def _module(self) -> Module:
                 formats = [formats]
 
             if (
-                formats
+                len(formats) > 0
                 and self.format
                 and self.format not in formats
                 and not self._ignore_packages_formats
@@ -80,7 +80,7 @@ def _module(self) -> Module:
             formats = include.get("format", [])
 
             if (
-                formats
+                len(formats) > 0
                 and self.format
                 and self.format not in formats
                 and not self._ignore_packages_formats

src/poetry/core/packages/project_package.py

@@ -3,20 +3,38 @@
 import warnings
 
 from typing import TYPE_CHECKING
-from typing import Any
+from typing import Literal
 from typing import Mapping
 from typing import Sequence
+from typing import TypedDict
 
 from poetry.core.constraints.version import parse_constraint
+from poetry.core.packages.package import Package
+from poetry.core.packages.utils.utils import create_nested_marker
 from poetry.core.version.markers import parse_marker
 
 
 if TYPE_CHECKING:
+    from typing_extensions import NotRequired
+
     from poetry.core.constraints.version import Version
     from poetry.core.packages.dependency import Dependency
 
-from poetry.core.packages.package import Package
-from poetry.core.packages.utils.utils import create_nested_marker
+    SupportedPackageFormats = Literal["sdist", "wheel"]
+
+    BuildConfigSpec = TypedDict(
+        "BuildConfigSpec",
+        {"script": NotRequired[str], "generate-setup-file": NotRequired[bool]},
+    )
+
+    class PackageSpec(TypedDict):
+        include: str
+        to: str
+        format: list[SupportedPackageFormats]
+
+    class IncludeSpec(TypedDict):
+        path: str
+        format: list[SupportedPackageFormats]
 
 
 class ProjectPackage(Package):
@@ -39,10 +57,10 @@ def __init__(
         # Attributes must be immutable for clone() to be safe!
         # (For performance reasons, clone only creates a copy instead of a deep copy).
 
-        self.build_config: Mapping[str, Any] = {}
-        self.packages: Sequence[Mapping[str, Any]] = []
-        self.include: Sequence[Mapping[str, Any]] = []
-        self.exclude: Sequence[Mapping[str, Any]] = []
+        self.build_config: BuildConfigSpec = {}
+        self.packages: Sequence[PackageSpec] = []
+        self.include: Sequence[IncludeSpec] = []
+        self.exclude: Sequence[IncludeSpec] = []
         self.custom_urls: Mapping[str, str] = {}
 
         if self._python_versions == "*":