ADD: download file management utils

utils/file_management.py

@@ -0,0 +1,39 @@
+import glob
+import os
+import pathlib
+from hashlib import md5
+
+
+def get_next_name(file_path: str) -> str:
+    posix_path = pathlib.Path(file_path)
+    counter: int = 1
+    new_file_name: str = "{0}/{1}-copy{2}{3}"
+    while os.path.isfile(
+        new_file_name.format(
+            posix_path.parent,
+            posix_path.stem,
+            counter,
+            "".join(posix_path.suffixes),
+        )
+    ):
+        counter += 1
+    return new_file_name.format(
+        posix_path.parent,
+        posix_path.stem,
+        counter,
+        "".join(posix_path.suffixes),
+    )
+
+
+def manage_duplicate_file(file_path: str):
+    posix_path = pathlib.Path(file_path)
+    file_base_name: str = "".join(posix_path.stem.split("-copy")[0:-1])
+    name_pattern: str = f"{posix_path.parent}/{file_base_name}*"
+    old_files: list = glob.glob(name_pattern)
+    old_files.remove(file_path)
+    current_file_md5: str = md5(open(file_path, "rb").read()).hexdigest()
+    for old_file_path in old_files:
+        old_file_md5: str = md5(open(old_file_path, "rb").read()).hexdigest()
+        if current_file_md5 == old_file_md5:
+            os.remove(file_path)
+            break