Fall back to ascii when getfilesystemencoding returns None. (#60)

Closes issue #59.
jazzband · Sep 27, 2019 · e0e9fc3 · e0e9fc3
1 parent c8c155b
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diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -4,6 +4,9 @@ History
 Version 2.3.5
 ^^^^^^^^^^^^^
 
+- Fall back to ascii when getfilesystemencoding returns None (see
+  issue #59).
+
 Version 2.3.4
 ^^^^^^^^^^^^^
 

diff --git a/pathlib2/__init__.py b/pathlib2/__init__.py
@@ -882,7 +882,11 @@ def _parse_args(cls, args):
                 # also handle unicode for PY2 (six.text_type = unicode)
                 elif six.PY2 and isinstance(a, six.text_type):
                     # cast to str using filesystem encoding
-                    parts.append(a.encode(sys.getfilesystemencoding()))
+                    # note: in rare circumstances, on Python < 3.2,
+                    # getfilesystemencoding can return None, in that
+                    # case fall back to ascii
+                    parts.append(a.encode(
+                        sys.getfilesystemencoding() or "ascii"))
                 else:
                     raise TypeError(
                         "argument should be a str object or an os.PathLike "