Public part of my dotfiles.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

82 lines
1.8 KiB

#!/usr/bin/env python3
# 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 =
fmagic = magic.detect_from_content(chunk)
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")
path =
ex = "xdg-open"
if ishttp:
ex = os.environ.get("BROWSER", ex)
if buf:
# TODO Launch a new terminal window for some
assert ex
p =[ex, path])
if tmp: