new: OsOperations::is_abs_path is added

src/local_ops.py

@@ -630,3 +630,7 @@ def get_tempdir(self) -> str:
     def get_dirname(self, path: str) -> str:
         assert type(path) is str
         return os.path.dirname(path)
+
+    def is_abs_path(self, path: str) -> bool:
+        assert type(path) is str
+        return os.path.isabs(path)

src/os_ops.py

@@ -181,3 +181,7 @@ def get_tempdir(self) -> str:
     def get_dirname(self, path: str) -> str:
         assert type(path) is str
         raise NotImplementedError()
+
+    def is_abs_path(self, path: str) -> bool:
+        assert type(path) is str
+        raise NotImplementedError()

src/remote_ops.py

@@ -787,6 +787,10 @@ def get_dirname(self, path: str) -> str:
         assert type(path) is str
         return posixpath.dirname(path)
 
+    def is_abs_path(self, path: str) -> bool:
+        assert type(path) is str
+        return posixpath.isabs(path)
+
     @staticmethod
     def _build_cmdline(cmd, exec_env: typing.Dict = None) -> str:
         cmd_items = __class__._create_exec_env_list(exec_env)

tests/test_os_ops_common.py

@@ -1415,3 +1415,29 @@ def test_get_dirname(self, os_ops: OsOperations):
 
         assert actual_dirname == expected_dirname
         return
+
+    def test_is_abs_path__yes(self, os_ops: OsOperations):
+        assert isinstance(os_ops, OsOperations)
+
+        p = __file__
+        assert type(p) is str
+        assert p != ""
+        assert os.path.isabs(p)
+
+        actual_value = os_ops.is_abs_path(p)
+        assert type(actual_value) is bool
+
+        assert actual_value is True
+        return
+
+    def test_is_abs_path__no(self, os_ops: OsOperations):
+        assert isinstance(os_ops, OsOperations)
+
+        p = "."
+        assert not os.path.isabs(p)
+
+        actual_value = os_ops.is_abs_path(p)
+        assert type(actual_value) is bool
+
+        assert actual_value is False
+        return