feat: add an option to generate a project with package mode = false

src/poetry/console/commands/init.py

@@ -58,6 +58,7 @@ class InitCommand(Command):
             flag=False,
             multiple=True,
         ),
+        option("disable-package-mode", "-N", "Disables package mode.", flag=True),
         option("license", "l", "License of the package.", flag=False),
     ]
 
@@ -141,9 +142,12 @@ def _init_pyproject(
 
         if is_interactive:
             question = self.create_question(
-                f"Version [<comment>{version}</comment>]: ", default=version
+                f"Version [<comment>{version}</comment>]: ",
+                default=version if not self.option("disable-package-mode") else "",
             )
             version = self.ask(question)
+        else:
+            version = version if not self.option("disable-package-mode") else ""
 
         description = self.option("description") or ""
         if not description and is_interactive:
@@ -244,6 +248,7 @@ def _init_pyproject(
             python=python,
             dependencies=requirements,
             dev_dependencies=dev_requirements,
+            package_mode=not self.option("disable-package-mode"),
         )
 
         create_layout = not project_path.exists() or (

src/poetry/layouts/layout.py

@@ -44,6 +44,8 @@
 [tool.poetry.group.dev.dependencies]
 """
 
+POETRY_DEFAULT_AUTHOR = "Your Name <[email protected]>"
+
 poetry_core_version = Version.parse(importlib.metadata.version("poetry-core"))
 
 BUILD_SYSTEM_MIN_VERSION: str | None = Version.from_parts(
@@ -68,6 +70,7 @@ def __init__(
         python: str | None = None,
         dependencies: Mapping[str, str | Mapping[str, Any]] | None = None,
         dev_dependencies: Mapping[str, str | Mapping[str, Any]] | None = None,
+        package_mode: bool = True,
     ) -> None:
         self._project = canonicalize_name(project)
         self._package_path_relative = Path(
@@ -83,9 +86,10 @@ def __init__(
         self._python = python
         self._dependencies = dependencies or {}
         self._dev_dependencies = dev_dependencies or {}
+        self._package_mode = package_mode
 
         if not author:
-            author = "Your Name <[email protected]>"
+            author = POETRY_DEFAULT_AUTHOR
 
         self._author = author
 
@@ -152,6 +156,14 @@ def generate_project_content(self) -> TOMLDocument:
             if email := m.group("email"):
                 author["email"] = email
             project_content["authors"].append(author)
+        if self._author == POETRY_DEFAULT_AUTHOR and not self._package_mode:
+            project_content.remove("authors")
+
+        if not self._package_mode:
+            if not project_content["version"]:
+                project_content.remove("version")
+            if not project_content["description"]:
+                project_content.remove("description")
 
         if self._license:
             project_content["license"]["text"] = self._license
@@ -185,6 +197,9 @@ def generate_project_content(self) -> TOMLDocument:
         else:
             del poetry_content["group"]
 
+        if not self._package_mode:
+            poetry_content["package-mode"] = False
+
         if not poetry_content:
             del content["tool"]["poetry"]
 

tests/console/commands/test_init.py

@@ -1207,3 +1207,108 @@ def test_init_does_not_create_project_structure_in_non_empty_directory(
     # Existing files should remain
     assert (source_dir / "existing_file.txt").exists()
     assert (source_dir / "existing_dir").exists()
+
+
+def test_init_with_no_package_mode_flag_active(
+    tester: CommandTester, source_dir: Path
+) -> None:
+    """Test that poetry init add package-mode = false to pyproject.toml"""
+    inputs = [
+        "my-package",  # Package name
+        "",  # Version
+        "",  # Description
+        "n",  # Author
+        "",  # License
+        "",  # Python
+        "n",  # Interactive packages
+        "n",  # Interactive dev packages
+        "\n",  # Generate
+    ]
+
+    expected = """\
+[tool.poetry]
+package-mode = false
+"""
+    tester.execute("--disable-package-mode", inputs="\n".join(inputs))
+
+    assert (source_dir / "pyproject.toml").exists()
+    assert expected in (source_dir / "pyproject.toml").read_text(encoding="utf-8")
+
+
+def test_init_with_no_package_mode_flag_active_short_flag(
+    tester: CommandTester, source_dir: Path
+) -> None:
+    """Test that poetry init add package-mode = false to pyproject.toml"""
+    inputs = [
+        "my-package",  # Package name
+        "",  # Version
+        "",  # Description
+        "n",  # Author
+        "",  # License
+        "",  # Python
+        "n",  # Interactive packages
+        "n",  # Interactive dev packages
+        "\n",  # Generate
+    ]
+
+    expected = """\
+[tool.poetry]
+package-mode = false
+"""
+    tester.execute("-N", inputs="\n".join(inputs))
+
+    assert (source_dir / "pyproject.toml").exists()
+    assert expected in (source_dir / "pyproject.toml").read_text(encoding="utf-8")
+
+
+def test_init_with_no_package_mode_flag_active_remove_optional_fields(
+    tester: CommandTester, source_dir: Path
+) -> None:
+    """Test that poetry init add package-mode = false to pyproject.toml"""
+    inputs = [
+        "my-package",  # Package name
+        "",  # Version
+        "",  # Description
+        "n",  # Author
+        "",  # License
+        "",  # Python
+        "n",  # Interactive packages
+        "n",  # Interactive dev packages
+        "\n",  # Generate
+    ]
+
+    tester.execute("-N", inputs="\n".join(inputs))
+
+    assert (source_dir / "pyproject.toml").exists()
+    toml_content = (source_dir / "pyproject.toml").read_text(encoding="utf-8")
+    assert "version = " not in toml_content
+    assert "description =" not in toml_content
+    assert "authors =" not in toml_content
+
+
+def test_init_with_no_package_mode_flag_active_remove_optional_fields_with_email(
+    tester: CommandTester, source_dir: Path
+) -> None:
+    """Test that poetry init add package-mode = false to pyproject.toml"""
+    inputs = [
+        "my-package",  # Package name
+        "",  # Version
+        "",  # Description
+        "poetry <[email protected]>",  # Author
+        "",  # License
+        "",  # Python
+        "n",  # Interactive packages
+        "n",  # Interactive dev packages
+        "\n",  # Generate
+    ]
+
+    tester.execute("-N", inputs="\n".join(inputs))
+    expected = """
+authors = [
+    {name = "poetry",email = "[email protected]"}
+]
+"""
+
+    assert (source_dir / "pyproject.toml").exists()
+    toml_content = (source_dir / "pyproject.toml").read_text(encoding="utf-8")
+    assert expected in toml_content