Add All Folders

Luigi/engine/flags.py

@@ -0,0 +1,20 @@
+import os
+
+def flags_dir(workspace: str) -> str:
+    d = os.path.join(workspace, "_flags")
+    os.makedirs(d, exist_ok=True)
+    return d
+
+def flag_path(workspace: str, name: str) -> str:
+    return os.path.join(flags_dir(workspace), name)
+
+def is_set(workspace: str, name: str) -> bool:
+    return os.path.exists(flag_path(workspace, name))
+
+def set_flag(workspace: str, name: str) -> None:
+    open(flag_path(workspace, name), "a").close()
+
+def clear_flag(workspace: str, name: str) -> None:
+    p = flag_path(workspace, name)
+    if os.path.exists(p):
+        os.remove(p)