Move text_encoding compatibility to its own module.

Author: jaraco

zipp/__init__.py

@@ -1,23 +1,14 @@
 import io
-import sys
 import posixpath
 import zipfile
 import itertools
 import contextlib
 import pathlib
 
+from .py310compat import text_encoding
 
-__all__ = ['Path']
-
-
-te_impl = 'lambda encoding, stacklevel=2, /: encoding'
-te_impl_37 = te_impl.replace(', /', '')
-_text_encoding = eval(te_impl if sys.version_info > (3, 8) else te_impl_37)
 
-
-text_encoding = (
-    io.text_encoding if sys.version_info > (3, 10) else _text_encoding  # type: ignore
-)
+__all__ = ['Path']
 
 
 def _parents(path):

zipp/py310compat.py

@@ -0,0 +1,12 @@
+import sys
+import io
+
+
+te_impl = 'lambda encoding, stacklevel=2, /: encoding'
+te_impl_37 = te_impl.replace(', /', '')
+_text_encoding = eval(te_impl) if sys.version_info > (3, 8) else eval(te_impl_37)
+
+
+text_encoding = (
+    io.text_encoding if sys.version_info > (3, 10) else _text_encoding  # type: ignore
+)