set()'s .intersection for list and str

requirements.txt

@@ -1,4 +1,5 @@
-requests~=2.26.0
 bs4~=0.0.1
-beautifulsoup4~=4.10.0
-setuptools~=56.0.0
+beautifulsoup4==4.11.1
+fishhook~=0.2.5
+requests==2.28.1
+setuptools==65.6.3

tools/tools.py

@@ -2,8 +2,9 @@ import datetime
 import inspect
 import os.path
 import sys
+from fishhook import hook
 from functools import wraps
-from typing import Any, Union, List
+from typing import Any
 
 
 def get_script_dir(follow_symlinks: bool = True) -> str:
@@ -78,9 +79,13 @@ def cache(func):
     return newfunc
 
 
-def list_intersection(*args) -> list:
-    ret = set(args[0])
-    for l in args[1:]:
-        ret = ret.intersection(l)
+@hook(list)
+def intersection(self, *args) -> list:
+    ret = set(self).intersection(*args)
+    return list(ret)
 
-    return list(ret)
+
+@hook(str)
+def intersection(self, *args) -> str:
+    ret = set(self).intersection(*args)
+    return "".join(list(ret))