kaledonya clips: a Discord-friendly clip site on top of Zipline

Co-Authored-By: Claude Opus 5.5 <[email protected]>

intake/app/names.py

@@ -0,0 +1,25 @@
+"""Filename rules for uploads: spaces become dashes, duplicates get -2, -3, ..."""
+import os
+import re
+from collections.abc import Callable
+
+
+def clean_name(filename: str) -> str:
+    """Keep only the base name and turn every run of whitespace into one dash."""
+    base = filename.replace("\\", "/").rsplit("/", 1)[-1].strip()
+    base = re.sub(r"\s+", "-", base)
+    return base or "upload"
+
+
+def split_name(name: str) -> tuple[str, str]:
+    """('clip', '.mp4'); a name with no extension gives ('README', '')."""
+    return os.path.splitext(name)
+
+
+def next_free_name(stem: str, ext: str, exists: Callable[[str], bool], limit: int = 1000) -> str:
+    """First of stem+ext, stem-2+ext, stem-3+ext, ... that does not exist yet."""
+    for n in range(1, limit + 1):
+        name = f"{stem}{ext}" if n == 1 else f"{stem}-{n}{ext}"
+        if not exists(name):
+            return name
+    raise RuntimeError(f"no free name for {stem}{ext} after {limit} tries")