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8835afef5f
The tags are shorthand for the license of each file and avoid copying the full license text into each one (and avoids having to manually update the dates in each one...).
47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
# SPDX-License-Identifier: BSD-3-Clause
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import re
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import subprocess
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import sys
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# ImageMagick commands used by this script:
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CONVERT_COMMAND = 'convert'
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IDENTIFY_COMMAND = 'identify'
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# Output from 'identify' looks like this:
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# fontchars/font033.gif GIF 9x16 9x16+0+0 8-bit sRGB 32c 194B 0.000u 0:00.000
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IDENTIFY_OUTPUT_RE = re.compile(r'(\S+)\s(\S+)\s(\d+)x(\d+)(\+\d+\+\d+)?\s')
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# Regexp to identify strings that are all lowercase (can use shorter height)
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LOWERCASE_RE = re.compile(r'^[a-z\!\. ]*$')
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def get_image_dimensions(filename):
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proc = subprocess.Popen([IDENTIFY_COMMAND, filename],
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stdout=subprocess.PIPE)
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proc.wait()
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line = proc.stdout.readline().decode('utf-8')
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match = IDENTIFY_OUTPUT_RE.match(line)
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assert match is not None
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return (int(match.group(3)), int(match.group(4)))
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def invoke_command(command):
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"""Invoke a command, printing the command to stdout.
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Args:
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command: Command and arguments as a list.
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"""
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for arg in command:
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if arg.startswith('-'):
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sys.stdout.write("\\\n ")
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if ' ' in arg or '#' in arg:
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sys.stdout.write(repr(arg))
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else:
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sys.stdout.write(arg)
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sys.stdout.write(' ')
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sys.stdout.write('\n')
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return subprocess.call(command)
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