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