generate_readings in cbr-schedule

at master

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#!/usr/bin/env python3
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# 
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# The MIT License (MIT)
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# 
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# Copyright (c) 2018 Daniel Moch
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# 
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# 
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# 
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# 
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import json
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from sys import argv
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def generate_readings(infilename):
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    with open(infilename, 'r') as infile:
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        section = json.load(infile)
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    filename = str.join('.', infilename.split('.')[0:-1]) + '.json'
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    readings = []
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    idx = 0
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    for book, info in section:
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        subchapter_readings = ()
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        if len(info) > 1:
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            subchapter_readings = info[1]
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        chapters = info[0]
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        chapter = 1
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        while chapter <= chapters:
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            chapter_str = str(chapter)
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            if chapter_str in subchapter_readings:
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                for subchapter_reading in \
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                        subchapter_readings[chapter_str]:
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                    reading = {}
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                    reading['index'] = idx
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                    reading['book'] = book
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                    reading['reading'] = chapter_str + ':' + \
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                            subchapter_reading
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                    readings.append(reading)
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                    idx += 1
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                chapter += 1
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            else:
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                reading = {}
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                reading['index'] = idx
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                reading['book'] = book
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                reading['reading'] = chapter_str
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                readings.append(reading)
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                idx += 1
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                chapter += 1
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    with open(filename, 'w') as outfile:
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        json.dump(readings, outfile)
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def print_usage():
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    print('Usage: generate_readings infile')
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    print('\tinfile: JSON-encoded input file')
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if __name__ == '__main__':
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    if len(argv) != 2:
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        print_usage()
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        exit(1)
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    else:
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        generate_readings(argv[1])