Align interface of tests.lib.path.Path.mkdir with pathlib.Path.mkdir.

tests/functional/test_install.py

@@ -551,7 +551,8 @@ def test_editable_install__local_dir_no_setup_py_with_pyproject(
     Test installing in editable mode from a local directory with no setup.py
     but that does have pyproject.toml.
     """
-    local_dir = script.scratch_path.joinpath('temp').mkdir()
+    local_dir = script.scratch_path.joinpath('temp')
+    local_dir.mkdir()
     pyproject_path = local_dir.joinpath('pyproject.toml')
     pyproject_path.write_text('')
 

tests/functional/test_pep517.py

@@ -7,7 +7,8 @@ from tests.lib import make_test_finder, path_to_url
 
 
 def make_project(tmpdir, requires=[], backend=None):
-    project_dir = (tmpdir / 'project').mkdir()
+    project_dir = tmpdir / 'project'
+    project_dir.mkdir()
     buildsys = {'requires': requires}
     if backend:
         buildsys['build-backend'] = backend
@@ -125,7 +126,8 @@ def test_pep517_install_with_no_cache_dir(script, tmpdir, data):
 
 
 def make_pyproject_with_setup(tmpdir, build_system=True, set_backend=True):
-    project_dir = (tmpdir / 'project').mkdir()
+    project_dir = tmpdir / 'project'
+    project_dir.mkdir()
     setup_script = (
         'from setuptools import setup\n'
     )
@@ -161,7 +163,8 @@ def make_pyproject_with_setup(tmpdir, build_system=True, set_backend=True):
 
     project_dir.joinpath('pyproject.toml').write_text(project_data)
     project_dir.joinpath('setup.py').write_text(setup_script)
-    package_dir = (project_dir / "pep517_test").mkdir()
+    package_dir = project_dir / "pep517_test"
+    package_dir.mkdir()
     package_dir.joinpath('__init__.py').write_text('__version__ = "0.1"')
     return project_dir, "pep517_test"
 

tests/functional/test_uninstall_user.py

@@ -51,7 +51,7 @@ class Tests_UninstallUserSite:
         """
         Test uninstall editable local user install
         """
-        script.user_site_path.mkdir(parents=True)
+        assert script.user_site_path.exists()
 
         # install
         to_install = data.packages.joinpath("FSPkg")

tests/lib/__init__.py

@@ -451,7 +451,8 @@ class PipTestEnvironment(TestFileEnvironment):
             )
 
         # Create a Directory to use as a scratch pad
-        self.scratch_path = base_path.joinpath("scratch").mkdir()
+        self.scratch_path = base_path.joinpath("scratch")
+        self.scratch_path.mkdir()
 
         # Set our default working directory
         kwargs.setdefault("cwd", self.scratch_path)
@@ -988,7 +989,7 @@ def create_basic_wheel_for_package(script, name, version,
 
     for fname in files:
         path = script.temp_path / fname
-        path.parent.mkdir()
+        path.parent.mkdir(exist_ok=True)
         path.write_text(files[fname])
 
     retval = script.scratch_path / archive_name

tests/lib/path.py

@@ -154,18 +154,19 @@ class Path(_base):
         """
         return os.path.exists(self)
 
-    def mkdir(self, mode=0x1FF, parents=False):  # 0o777
+    def mkdir(self, mode=0x1FF, exist_ok=False, parents=False):  # 0o777
         """
         Creates a directory, if it doesn't exist already.
 
         :param parents: Whether to create parent directories.
         """
-        if self.exists():
-            return self
 
         maker_func = os.makedirs if parents else os.mkdir
-        maker_func(self, mode)
-        return self
+        try:
+            maker_func(self, mode)
+        except OSError:
+            if not exist_ok or not os.path.isdir(self):
+                raise
 
     def unlink(self):
         """

tests/lib/venv.py

@@ -75,7 +75,7 @@ class VirtualEnvironment(object):
                 context = builder.ensure_directories(self.location)
                 builder.create_configuration(context)
                 builder.setup_python(context)
-                self.site.mkdir(parents=True)
+                self.site.mkdir(parents=True, exist_ok=True)
             self.sitecustomize = self._sitecustomize
             self.user_site_packages = self._user_site_packages
 

tests/unit/test_collector.py

@@ -358,7 +358,8 @@ def make_fake_html_response(url):
 def test_get_html_page_directory_append_index(tmpdir):
     """`_get_html_page()` should append "index.html" to a directory URL.
     """
-    dirpath = tmpdir.mkdir("something")
+    dirpath = tmpdir / "something"
+    dirpath.mkdir()
     dir_url = "file:///{}".format(
         urllib_request.pathname2url(dirpath).lstrip("/"),
     )

tests/unit/test_compat.py

@@ -31,7 +31,8 @@ def test_get_path_uid_without_NOFOLLOW(monkeypatch):
 @pytest.mark.skipif("sys.platform == 'win32'")
 @pytest.mark.skipif("not hasattr(os, 'symlink')")
 def test_get_path_uid_symlink(tmpdir):
-    f = tmpdir.mkdir("symlink").joinpath("somefile")
+    f = tmpdir / "symlink" / "somefile"
+    f.parent.mkdir()
     f.write_text("content")
     fs = f + '_link'
     os.symlink(f, fs)
@@ -43,7 +44,8 @@ def test_get_path_uid_symlink(tmpdir):
 @pytest.mark.skipif("not hasattr(os, 'symlink')")
 def test_get_path_uid_symlink_without_NOFOLLOW(tmpdir, monkeypatch):
     monkeypatch.delattr("os.O_NOFOLLOW")
-    f = tmpdir.mkdir("symlink").joinpath("somefile")
+    f = tmpdir / "symlink" / "somefile"
+    f.parent.mkdir()
     f.write_text("content")
     fs = f + '_link'
     os.symlink(f, fs)

tests/unit/test_locations.py

@@ -96,7 +96,8 @@ class TestDistutilsScheme:
         # This deals with nt/posix path differences
         install_scripts = os.path.normcase(os.path.abspath(
             os.path.join(os.path.sep, 'somewhere', 'else')))
-        f = tmpdir.mkdir("config").joinpath("setup.cfg")
+        f = tmpdir / "config" / "setup.cfg"
+        f.parent.mkdir()
         f.write_text("[install]\ninstall-scripts=" + install_scripts)
         from distutils.dist import Distribution
         # patch the function that returns what config files are present
@@ -116,7 +117,8 @@ class TestDistutilsScheme:
         # This deals with nt/posix path differences
         install_lib = os.path.normcase(os.path.abspath(
             os.path.join(os.path.sep, 'somewhere', 'else')))
-        f = tmpdir.mkdir("config").joinpath("setup.cfg")
+        f = tmpdir / "config" / "setup.cfg"
+        f.parent.mkdir()
         f.write_text("[install]\ninstall-lib=" + install_lib)
         from distutils.dist import Distribution
         # patch the function that returns what config files are present

tests/unit/test_utils.py

@@ -303,7 +303,9 @@ def test_rmtree_errorhandler_readonly_directory(tmpdir):
     Test rmtree_errorhandler makes the given read-only directory writable.
     """
     # Create read only directory
-    path = str((tmpdir / 'subdir').mkdir())
+    subdir_path = tmpdir / 'subdir'
+    subdir_path.mkdir()
+    path = str(subdir_path)
     os.chmod(path, stat.S_IREAD)
 
     # Make sure mock_func is called with the given path
@@ -321,7 +323,9 @@ def test_rmtree_errorhandler_reraises_error(tmpdir):
     by the given unreadable directory.
     """
     # Create directory without read permission
-    path = str((tmpdir / 'subdir').mkdir())
+    subdir_path = tmpdir / 'subdir'
+    subdir_path.mkdir()
+    path = str(subdir_path)
     os.chmod(path, stat.S_IWRITE)
 
     mock_func = Mock()