Move scripts dir inside hm

And remove weird path contraptions

hm/scripts/o

@@ -0,0 +1,84 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i python3
+#! nix-shell -p python3 python3Packages.magic xdg-utils feh zathura
+# pylint: disable=C0103
+
+"""
+Find the subjectively best software
+to open the file given in arguments with.
+Doesn't use that XDG mess (only in last resort).
+"""
+
+import os
+import subprocess
+import sys
+import tempfile
+import urllib.request
+
+import magic
+
+# Getting what's needed
+path = sys.argv[1]
+
+# Getting the MIME type
+ishttp = path.startswith("http")
+
+buf = None
+if ishttp:
+    buf = urllib.request.urlopen(path)
+    chunk = buf.read(1024)
+    fmagic = magic.detect_from_content(chunk)
+else:
+    assert os.path.isfile(path), f"Not a file: {path}"
+    path = os.path.realpath(path)
+    fmagic = magic.detect_from_filename(path)
+mime = tuple(fmagic.mime_type.split("/"))
+assert len(mime) == 2
+
+graphical = os.environ.get("DISPLAY")
+
+# Some energumens
+if mime[0] == "application" and mime[1] in ("json", "javascript"):
+    mime = ("text", mime[1])
+
+# Determine stuff
+ex = None  # Executable needed to open the file
+forcelocal = False  # If we need to copy the file locally before opening it
+isterm = False  # Executable should run in a terminal
+
+if mime[0] == "text":
+    if not ishttp:
+        ex = os.environ.get("VISUAL" if graphical else "EDITOR", None)
+        isterm = True
+elif mime[0] == "image":
+    ex = "feh"
+elif mime[0] in ("audio", "video"):
+    ex = "mpv"
+    isterm = True
+elif mime == ("application", "pdf"):
+    ex = "zathura"
+    forcelocal = True
+
+# Open stuff
+tmp = None
+if ex:
+    if forcelocal and ishttp:
+        assert buf
+        tmp = tempfile.NamedTemporaryFile(prefix="o")
+        tmp.write(chunk)
+        tmp.write(buf.read())
+        path = tmp.name
+else:
+    ex = "xdg-open"
+    if ishttp:
+        ex = os.environ.get("BROWSER", ex)
+if buf:
+    buf.close()
+
+# TODO Launch a new terminal window for some
+
+assert ex
+p = subprocess.run([ex, path])
+if tmp:
+    tmp.close()
+sys.exit(p.returncode)