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105 lines
2.8 KiB
Python
105 lines
2.8 KiB
Python
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#!/usr/bin/env python
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# reformat-news.py: Reformat the NEWS file properly
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#
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# Copyright (C) 2017 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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# Authors:
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# Andrea Bolognani <abologna@redhat.com>
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import sys
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COLUMNS = 80
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def reformat_with_indent(text, initial_indent, indent):
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res = ""
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line = initial_indent
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for word in text.split():
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# If adding one more word (plus a whitespace, plus a newline)
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# to the current line would push us over the desired number
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# of columns we start a new line instead
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if len(line) + len(word) > (COLUMNS - 2):
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res = res + line + "\n"
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line = indent
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# We need to take care when we've just started a new line,
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# as we don't want to add any additional leading whitespace
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# in that case
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if line == indent or line == initial_indent:
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line = line + word
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else:
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line = line + " " + word
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# Append whatever's left
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res = res + line
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return res
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def reformat(line):
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# Empty lines don't need to be reformatted or even inspected
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if len(line) == 0:
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return line
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# For all non-empty lines, we decide the indentation level based
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# on the first character
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marker = line[0]
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# Release
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if marker == '#':
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initial_indent = 0
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indent = 2
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# Section
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elif marker == '*':
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initial_indent = 2
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indent = 4
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# Change summary
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elif marker == '-':
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initial_indent = 4
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indent = 6
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# Change description
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elif marker == '|':
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initial_indent = 8
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indent = 8
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# In this one case, the marker should not ultimately show
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# up in the output file, so we strip it before moving on
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line = line[1:]
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# Anything else should be left as-is
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else:
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return line
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return reformat_with_indent(line, " " * initial_indent, " " * indent)
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def main(args):
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if len(args) < 2:
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sys.stdout.write("Usage: " + args[0] + " FILE\n")
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sys.exit(1)
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with open(args[1], 'r') as f:
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for line in f:
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print(reformat(line.strip()))
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if __name__ == "__main__":
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main(sys.argv)
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