Respect REUSE spec when including licenses

poetry/core/masonry/builders/wheel.py

@@ -168,9 +168,20 @@ def _write_metadata(self, wheel):
             with self._write_to_zip(wheel, self.dist_info + "/entry_points.txt") as f:
                 self._write_entry_points(f)
 
+        license_files_to_add = []
         for base in ("COPYING", "LICENSE"):
-            for path in sorted(self._path.glob(base + "*")):
-                self._add_file(wheel, path, "%s/%s" % (self.dist_info, path.name))
+            license_files_to_add.append(self._path / base)
+            license_files_to_add.extend(self._path.glob(base + ".*"))
+
+        license_files_to_add.extend((self._path / "LICENSES").glob("**" + os.sep + "*"))
+
+        for path in license_files_to_add:
+            if not path.is_file():
+                continue
+
+            self._add_file(
+                wheel, path, "%s/%s" % (self.dist_info, path.relative_to(self._path))
+            )
 
         with self._write_to_zip(wheel, self.dist_info + "/WHEEL") as f:
             self._write_wheel_file(f)

tests/masonry/builders/fixtures/licenses_and_copying/LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2018 Sébastien Eustace
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

tests/masonry/builders/fixtures/licenses_and_copying/README.rst

@@ -0,0 +1,2 @@
+My Package
+==========

tests/masonry/builders/fixtures/licenses_and_copying/my_package/__init__.py

@@ -0,0 +1 @@
+__version__ = "1.2.3"

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

@@ -0,0 +1,49 @@
+[tool.poetry]
+name = "my-package"
+version = "1.2.3"
+description = "Some description."
+authors = [
+    "Sébastien Eustace <[email protected]>"
+]
+maintainers = [
+    "People Everywhere <[email protected]>"
+]
+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"
+]
+
+# Requirements
+[tool.poetry.dependencies]
+python = "^3.6"
+cleo = "^0.6"
+cachy = { version = "^0.2.0", extras = ["msgpack"] }
+
+[tool.poetry.dependencies.pendulum]
+version = "^1.4"
+markers= 'python_version ~= "2.7" and sys_platform == "win32" or python_version in "3.4 3.5"'
+optional = true
+
+[tool.poetry.dev-dependencies]
+pytest = "~3.4"
+
+[tool.poetry.extras]
+time = ["pendulum"]
+
+[tool.poetry.scripts]
+my-script = "my_package:main"
+my-2nd-script = "my_package:main2"
+extra-script = {callable = "my_package.extra:main", extras = ["time"]}
+
+[tool.poetry.urls]
+"Issue Tracker" = "https://github.com/python-poetry/poetry/issues"

tests/masonry/builders/test_wheel.py

@@ -200,6 +200,23 @@ def test_wheel_package_pep_561_stub_only_includes_typed_marker():
         assert "pkg-stubs/py.typed" in z.namelist()
 
 
+def test_wheel_includes_licenses_in_correct_paths():
+    root = fixtures_dir / "licenses_and_copying"
+    WheelBuilder.make(Factory().create_poetry(root))
+
+    whl = root / "dist" / "my_package-1.2.3-py3-none-any.whl"
+
+    assert whl.exists()
+    with zipfile.ZipFile(str(whl)) as z:
+        assert "my_package-1.2.3.dist-info/COPYING" in z.namelist()
+        assert "my_package-1.2.3.dist-info/COPYING.txt" in z.namelist()
+        assert "my_package-1.2.3.dist-info/LICENSE" in z.namelist()
+        assert "my_package-1.2.3.dist-info/LICENSE.md" in z.namelist()
+        assert "my_package-1.2.3.dist-info/LICENSES/CUSTOM-LICENSE" in z.namelist()
+        assert "my_package-1.2.3.dist-info/LICENSES/BSD-3.md" in z.namelist()
+        assert "my_package-1.2.3.dist-info/LICENSES/MIT.txt" in z.namelist()
+
+
 def test_wheel_with_file_with_comma():
     root = fixtures_dir / "comma_file"
     WheelBuilder.make(Factory().create_poetry(root))