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#!/usr/bin/env python3 |
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import os |
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import sys |
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import magic |
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import subprocess |
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import urllib.request |
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import tempfile |
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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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mime = magic.from_buffer(chunk, mime=True) |
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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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mime = magic.from_file(path, mime=True) |
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mime = tuple(mime.split('/')) |
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assert len(mime) == 2 |
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graphical = not not 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 = "llpp.inotify" |
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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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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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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) |
