init

.venv/lib/python3.8/site-packages/virtualenv/app_data/read_only.py

@@ -0,0 +1,34 @@
+import os.path
+
+from virtualenv.util.lock import NoOpFileLock
+
+from .via_disk_folder import AppDataDiskFolder, PyInfoStoreDisk
+
+
+class ReadOnlyAppData(AppDataDiskFolder):
+    can_update = False
+
+    def __init__(self, folder):  # type: (str) -> None
+        if not os.path.isdir(folder):
+            raise RuntimeError("read-only app data directory {} does not exist".format(folder))
+        self.lock = NoOpFileLock(folder)
+
+    def reset(self):  # type: () -> None
+        raise RuntimeError("read-only app data does not support reset")
+
+    def py_info_clear(self):  # type: () -> None
+        raise NotImplementedError
+
+    def py_info(self, path):
+        return _PyInfoStoreDiskReadOnly(self.py_info_at, path)
+
+    def embed_update_log(self, distribution, for_py_version):
+        raise NotImplementedError
+
+
+class _PyInfoStoreDiskReadOnly(PyInfoStoreDisk):
+    def write(self, content):
+        raise RuntimeError("read-only app data python info cannot be updated")
+
+
+__all__ = ("ReadOnlyAppData",)