Merge pull request #1140 from epage/p4python

fix: Gracefully handle read-only sdists

poetry/utils/helpers.py

@@ -34,19 +34,18 @@ def normalize_version(version): # type: (str) -> str
  return str(Version(version))
 
 
+def _del_ro(action, name, exc):
+ os.chmod(name, stat.S_IWRITE)
+ os.remove(name)
+
+
 @contextmanager
 def temporary_directory(*args, **kwargs):
- try:
- from tempfile import TemporaryDirectory
-
- with TemporaryDirectory(*args, **kwargs) as name:
- yield name
- except ImportError:
- name = tempfile.mkdtemp(*args, **kwargs)
+ name = tempfile.mkdtemp(*args, **kwargs)
 
-  yield name
+ yield name
 
-  shutil.rmtree(name)
+ shutil.rmtree(name, onerror=_del_ro)
 
 
 def parse_requires(requires): # type: (str) -> List[str]