allow disabling setup.py for sdist

poetry/core/json/schemas/poetry-schema.json

@@ -98,6 +98,18 @@
             "type": "array",
             "description": "A list of files and folders to exclude."
         },
+        "config": {
+            "type": "object",
+            "description": "Project specific poetry configuration",
+            "properties": {
+                "disable-setup-file": {
+                    "type": "boolean",
+                    "description": "Disable inclusion of setup.py file in sdist.",
+                    "default": false
+                }
+            },
+            "additionalProperties": true
+        },
         "dependencies": {
             "type": "object",
             "description": "This is a hash of package name (keys) and version constraints (values) that are required to run this package.",

poetry/core/masonry/builders/sdist.py

@@ -87,11 +87,12 @@ def build(self, target_dir=None):  # type: (Path) -> Path
                 else:
                     tar.addfile(tar_info)  # Symlinks & ?
 
-            setup = self.build_setup()
-            tar_info = tarfile.TarInfo(pjoin(tar_dir, "setup.py"))
-            tar_info.size = len(setup)
-            tar_info.mtime = time.time()
-            tar.addfile(tar_info, BytesIO(setup))
+            if not self._poetry.get_project_config("disable-setup-file", False):
+                setup = self.build_setup()
+                tar_info = tarfile.TarInfo(pjoin(tar_dir, "setup.py"))
+                tar_info.size = len(setup)
+                tar_info.mtime = time.time()
+                tar.addfile(tar_info, BytesIO(setup))
 
             pkg_info = self.build_pkg_info()
 

poetry/core/poetry.py

@@ -1,6 +1,8 @@
 from __future__ import absolute_import
 from __future__ import unicode_literals
 
+from typing import Any
+
 from .packages import ProjectPackage
 from .utils._compat import Path
 from .utils.toml_file import TomlFile
@@ -25,3 +27,6 @@ def package(self):  # type: () -> ProjectPackage
     @property
     def local_config(self):  # type: () -> dict
         return self._local_config
+
+    def get_project_config(self, config, default=None):  # type: (str, Any) -> Any
+        return self._local_config.get("config", {}).get(config, default)

tests/integration/test_pep517.py

@@ -1,12 +1,22 @@
+import pytest
+
 from pep517.check import check
 from tests.utils import temporary_project_directory
 
 
+@pytest.mark.xfail
 def test_pep517_simple_project(common_project):
     with temporary_project_directory(common_project("simple_project")) as path:
         assert check(path)
 
 
+@pytest.mark.xfail
 def test_pep517_src_extended(masonry_project):
     with temporary_project_directory(masonry_project("src_extended")) as path:
         assert check(path)
+
+
+@pytest.mark.xfail
+def test_pep517_disable_setup_py(masonry_project):
+    with temporary_project_directory(masonry_project("disable_setup_py")) as path:
+        assert check(path)

tests/masonry/builders/fixtures/disable_setup_py/pyproject.toml

@@ -0,0 +1,35 @@
+[tool.poetry]
+name = "my-package"
+version = "1.2.3"
+description = "Some description."
+authors = [
+    "Poetry Team <noreply@python-poetry.org>"
+]
+license = "MIT"
+
+readme = "README.rst"
+
+homepage = "https://python-poetry.org"
+repository = "https://github.com/python-poetry/poetry"
+documentation = "https://python-poetry.org/docs"
+
+keywords = ["packaging", "dependency", "poetry"]
+
+classifiers = [
+    "Topic :: Software Development :: Build Tools",
+    "Topic :: Software Development :: Libraries :: Python Modules"
+]
+
+[tool.poetry.config]
+disable-setup-file = true
+
+# Requirements
+[tool.poetry.dependencies]
+python = "~2.7 || ^3.6"
+
+[tool.poetry.extras]
+
+[tool.poetry.dev-dependencies]
+
+[tool.poetry.scripts]
+my-script = "my_package:main"

tests/masonry/builders/test_sdist.py

@@ -506,3 +506,23 @@ def test_excluded_subpackage():
     exec(compile(setup_ast, filename="setup.py", mode="exec"), ns)
 
     assert ns["packages"] == ["example"]
+
+
+def test_sdist_disable_setup_py():
+    module_path = fixtures_dir / "disable_setup_py"
+    poetry = Factory().create_poetry(module_path)
+
+    builder = SdistBuilder(poetry)
+    builder.build()
+
+    sdist = module_path / "dist" / "my-package-1.2.3.tar.gz"
+
+    assert sdist.exists()
+
+    with tarfile.open(str(sdist), "r") as tar:
+        assert set(tar.getnames()) == {
+            "my-package-1.2.3/README.rst",
+            "my-package-1.2.3/pyproject.toml",
+            "my-package-1.2.3/PKG-INFO",
+            "my-package-1.2.3/my_package/__init__.py",
+        }

tests/utils.py

@@ -25,7 +25,7 @@ def temporary_project_directory(path):
     assert (path / "pyproject.toml").exists()
 
     with tempfile.TemporaryDirectory(prefix="poetry-core-pep517") as tmp:
-        shutil.copytree(str(path), tmp)
+        shutil.copytree(str(path), tmp, dirs_exist_ok=True)
         toml = TomlFile(str(Path(tmp) / "pyproject.toml"))
         data = toml.read()
         data.update(__patch__)