Let my HOME alone 1/2

config/scripts/o

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+#!/usr/bin/env python3
+
+import os
+import sys
+import magic
+import subprocess
+import urllib.request
+import tempfile
+
+# 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)
+    mime = magic.from_buffer(chunk, mime=True)
+else:
+    assert os.path.isfile(path), f"Not a file: {path}"
+    path = os.path.realpath(path)
+    mime = magic.from_file(path, mime=True)
+mime = tuple(mime.split('/'))
+assert len(mime) == 2
+
+graphical = not not 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 = "llpp.inotify"
+    forcelocal = True
+
+# Open stuff
+tmp = None
+if ex:
+    if forcelocal and ishttp:
+        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
+
+p = subprocess.run([ex, path])
+if tmp:
+    tmp.close()
+sys.exit(p.returncode)