extend hashing method

PyTeX/build/build/hashing.py

@@ -1,12 +1,22 @@
 import hashlib
+from typing import Union, List, Set
 from pathlib import Path
 
 # https://stackoverflow.com/a/3431838/16371376
 
 
-def md5(file: Path):
+def md5(data: Union[Path, List[str], Set[str]]):
     hash_md5 = hashlib.md5()
-    with open(file, "rb") as f:
-        for block in iter(lambda: f.read(4096), b""):
-            hash_md5.update(block)
-        return hash_md5.hexdigest()
+    if isinstance(data, Path):
+        file: Path = data
+        with open(file, "rb") as f:
+            for block in iter(lambda: f.read(4096), b""):
+                hash_md5.update(block)
+    else:
+        if isinstance(data, list):
+            set_data: Set[str] = set(data)
+        else:
+            set_data = data
+        hash_md5.update(str(set_data).encode('UTF-8'))
+    return hash_md5.hexdigest()
+