Fix an error when building wheels with packages set

Co-authored-by: Sébastien Eustace <555648+sdispater@users.noreply.github.com>
Co-authored-by: Nikita Grishko <1087619+Gr1N@users.noreply.github.com>

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - Fixed wrong wheel being selected when resolving dependencies.
 - Fixed an error when publishing.
+- Fixed an error when building wheels with the `packages` property set.
 
 
 ## [0.11.3] - 2018-07-26

poetry/masonry/utils/include.py

@@ -19,9 +19,9 @@ class Include(object):
 
     def __init__(self, base, include):  # type: (Path, str) -> None
         self._base = base
-        self._include = include
+        self._include = str(include)
 
-        self._elements = sorted(list(self._base.glob(str(self._include))))
+        self._elements = sorted(list(self._base.glob(self._include)))
 
     @property
     def base(self):  # type: () -> Path

tests/masonry/builders/test_wheel.py

@@ -83,3 +83,42 @@ def test_wheel_module_src():
 
     with zipfile.ZipFile(str(whl)) as z:
         assert "module_src.py" in z.namelist()
+
+
+def test_package_with_include(mocker):
+    # Patch git module to return specific excluded files
+    p = mocker.patch("poetry.vcs.git.Git.get_ignored_files")
+    p.return_value = [
+        str(
+            Path(__file__).parent
+            / "fixtures"
+            / "with-include"
+            / "extra_dir"
+            / "vcs_excluded.txt"
+        ),
+        str(
+            Path(__file__).parent
+            / "fixtures"
+            / "with-include"
+            / "extra_dir"
+            / "sub_pkg"
+            / "vcs_excluded.txt"
+        ),
+    ]
+    module_path = fixtures_dir / "with-include"
+    WheelBuilder.make(Poetry.create(str(module_path)), NullVenv(), NullIO())
+
+    whl = module_path / "dist" / "with_include-1.2.3-py3-none-any.whl"
+
+    assert whl.exists()
+
+    with zipfile.ZipFile(str(whl)) as z:
+        names = z.namelist()
+        assert "with_include-1.2.3.dist-info/LICENSE" in names
+        assert "extra_dir/__init__.py" in names
+        assert "extra_dir/vcs_excluded.txt" in names
+        assert "extra_dir/sub_pkg/__init__.py" in names
+        assert "extra_dir/sub_pkg/vcs_excluded.txt" not in names
+        assert "my_module.py" in names
+        assert "notes.txt" in names
+        assert "package_with_include/__init__.py" in names