Maintain relative path behavior

Author: reindervdw-cmi

nibabel/filename_parser.py

@@ -38,7 +38,7 @@ def _stringify_path(filepath_or_buffer: FileSpec) -> str:
     Adapted from:
     https://github.com/pandas-dev/pandas/blob/325dd68/pandas/io/common.py#L131-L160
     """
-    return str(pathlib.Path(filepath_or_buffer).expanduser().resolve())
+    return str(pathlib.Path(filepath_or_buffer).expanduser())
 
 
 def types_filenames(

nibabel/tests/test_filename_parser.py

@@ -128,21 +128,19 @@ def test_splitext_addext():
 
 def test__stringify_path():
     current_directory = pathlib.Path.cwd()
-    res = _stringify_path('')
-    assert res == str(current_directory)
     res = _stringify_path('fname.ext.gz')
-    assert res == str(current_directory / 'fname.ext.gz')
+    assert res == 'fname.ext.gz'
     res = _stringify_path(pathlib.Path('fname.ext.gz'))
-    assert res == str(current_directory / 'fname.ext.gz')
+    assert res == 'fname.ext.gz'
 
     home = pathlib.Path.home()
     res = _stringify_path(pathlib.Path('~/fname.ext.gz'))
     assert res == str(home) + '/fname.ext.gz'
 
     res = _stringify_path(pathlib.Path('./fname.ext.gz'))
-    assert res == str(current_directory / 'fname.ext.gz')
+    assert res == 'fname.ext.gz'
     res = _stringify_path(pathlib.Path('../fname.ext.gz'))
-    assert res == str(current_directory.parent / 'fname.ext.gz')
+    assert res == '../fname.ext.gz'