49 Zeilen
1,6 KiB
Python
Ausführbare Datei
49 Zeilen
1,6 KiB
Python
Ausführbare Datei
#!/usr/bin/env python3
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#Dependencies: python3, gs
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import argparse, os, re, subprocess, sys
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def main(args):
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d=args.dimensions
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o=args.output
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if not o:
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o=f'empty-{d}.pdf'
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if os.path.exists(o):
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die(f'Output file {o} already exists')
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dm=m("^([0-9.]+)(pts|in)x([0-9.]+)(pts|in)$", d)
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w=None
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h=None
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try:
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w=int(float(dm[1])*({'pts':1,'in':72}[dm[2]]))
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h=int(float(dm[3])*({'pts':1,'in':72}[dm[4]]))
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except:
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die('Invalid dimensions')
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subprocess.run([
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'gs', '-dBATCH', '-dNOPAUSE', '-dSAFER', '-dQUIET',
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f'-sOutputFile={o}',
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'-sDEVICE=pdfwrite',
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f'-dDEVICEWIDTHPOINTS={w}', f'-dDEVICEHEIGHTPOINTS={h}',
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], check=True)
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print(f'Wrote a pdf file with dimensions {w}x{h} pts to {o}')
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def m(pattern, string):
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match = re.match(pattern, string, re.DOTALL)
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if not match:
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return None
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if(match.group(0) != string):
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die(f'Pattern /${pattern}/ matched only part of string')
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ret = []
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for index in range((match.lastindex or 0)+1):
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ret.append(match.group(index))
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return ret
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def die(reason):
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print(reason, file=sys.stderr)
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sys.exit(2)
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parser = argparse.ArgumentParser(description='Create an empty, transparent PDF file.')
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parser.add_argument('-o', '--output', metavar='FILE', type=str, help='Output PDF file. (default: empty-DIMENSIONS.pdf)')
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parser.add_argument('-d', '--dimensions', type=str, default='3inx2in', help='The page dimensions of the file to create. Supports pts and in units. (default: 3inx2in)')
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main(parser.parse_args(sys.argv[1:]))
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