131 lines
6 KiB
Python
131 lines
6 KiB
Python
import argparse
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import io
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import os
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import re
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import subprocess
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import tempfile
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from parse import parse_description
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OUT_DIR = './out'
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def get_rtf_styles(rtf_source: str):
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match_list = re.findall(r'\\s(\d+)(?:\\sbasedon\d+)?\\snext\d+((?:\\[a-z0-9]+ ?)+)(?: ([A-Z][a-zA-Z ]*));', rtf_source)
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if not match_list:
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raise ValueError(f'Couldn\'t find valid RTF styles')
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rtf_styles = {}
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for (style_number, partial_rtf_style, style_name) in match_list:
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rtf_style = r'\s' + style_number + partial_rtf_style
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rtf_styles[int(style_number)] = rtf_style
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rtf_styles[style_name] = rtf_style
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return rtf_styles
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def main(story_path=None, description_path=None, config_path='./config.json', keep_out_dir=False, ignore_empty_files=False):
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remove_out_dir = not keep_out_dir and os.path.isdir(OUT_DIR)
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with tempfile.TemporaryDirectory() as tdir:
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# Clear OUT_DIR if it exists and shouldn't be kept
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if remove_out_dir:
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os.rename(OUT_DIR, os.path.join(tdir, 'old_out'))
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if not os.path.isdir(OUT_DIR):
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os.mkdir(OUT_DIR)
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try:
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# Convert original file to .rtf (Aryion) and .txt (all others)
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if story_path:
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story_filename = os.path.split(story_path)[1].rsplit('.')[0]
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txt_out_path = os.path.join(OUT_DIR, f'{story_filename}.txt')
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txt_tmp_path = os.path.join(tdir, f'{story_filename}.txt')
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rtf_out_path = os.path.join(OUT_DIR, f'{story_filename}.rtf')
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RE_EMPTY_LINE = re.compile('^$')
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is_only_empty_lines = True
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ps = subprocess.Popen(('libreoffice', '--cat', story_path), stdout=subprocess.PIPE)
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with open(txt_out_path, 'w', newline='\r\n') as txt_out, open(txt_tmp_path, 'w') as txt_tmp:
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needs_empty_line = False
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for line in io.TextIOWrapper(ps.stdout, encoding='utf-8-sig'):
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# Remove empty lines
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line = line.strip()
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if RE_EMPTY_LINE.search(line) and not is_only_empty_lines:
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needs_empty_line = True
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else:
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if is_only_empty_lines:
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txt_out.writelines((line,))
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txt_tmp.writelines((line,))
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is_only_empty_lines = False
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else:
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if needs_empty_line:
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txt_out.writelines(('\n\n', line))
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needs_empty_line = False
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else:
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txt_out.writelines(('\n', line))
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txt_tmp.writelines(('\n', line))
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txt_out.writelines(('\n'))
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if is_only_empty_lines:
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error = f'Story processing returned empty file: libreoffice --cat {story_path}'
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if ignore_empty_files:
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print(f'Ignoring error ({error})')
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else:
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raise RuntimeError(error)
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# Convert temporary .txt to .rtf
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subprocess.run(['libreoffice', '--convert-to', 'rtf:Rich Text Format', '--outdir', OUT_DIR, txt_tmp_path], check=True, capture_output=True)
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# Convert monospace font ('Preformatted Text') to serif ('Normal')
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with open(rtf_out_path, 'r+') as f:
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rtf = f.read()
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rtf_styles = get_rtf_styles(rtf)
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monospace_style = rtf_styles['Preformatted Text'] # rtf_styles[20]
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serif_style = rtf_styles['Normal'] # rtf_styles[0]
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f.seek(0)
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f.write(rtf.replace(monospace_style, serif_style))
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f.truncate()
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# Parse FA description and convert for each website
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if description_path:
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ps = subprocess.Popen(('libreoffice', '--cat', description_path), stdout=subprocess.PIPE)
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desc = '\n'.join(line.strip() for line in io.TextIOWrapper(ps.stdout, encoding='utf-8-sig'))
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if not desc or re.match(r'^\s+$', desc):
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error = f'Description processing returned empty file: libreoffice --cat {description_path}'
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if ignore_empty_files:
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print(f'Ignoring error ({error})')
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else:
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raise RuntimeError(error)
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parse_description(desc, config_path, OUT_DIR)
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except subprocess.CalledProcessError as e:
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if remove_out_dir:
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# Revert directory removal on error
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os.rename(OUT_DIR, os.path.join(tdir, 'get_rid_of_this'))
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os.rename(os.path.join(tdir, 'old_out'), OUT_DIR)
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print(f'Command exited with code {e.returncode}: {e.stderr.decode("utf-8-sig")}')
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exit(1)
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except Exception as e:
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if remove_out_dir:
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# Revert directory removal on error
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os.rename(OUT_DIR, os.path.join(tdir, 'get_rid_of_this'))
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os.rename(os.path.join(tdir, 'old_out'), OUT_DIR)
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raise e
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='generate multi-gallery upload-ready files')
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parser.add_argument('-s', '--story', dest='story_path',
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help='path of LibreOffice-readable story file')
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parser.add_argument('-d', '--description', dest='description_path',
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help='path of BBCode-formatted description file')
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parser.add_argument('-c', '--config', dest='config_path', default='./config.json',
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help='path of JSON configuration file')
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parser.add_argument('-k', '--keep-out-dir', dest='keep_out_dir', action='store_true',
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help='whether output directory contents should be kept')
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parser.add_argument('-i', '--ignore-empty-files', dest='ignore_empty_files', action='store_true',
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help='do not raise an error if any input file is empty or whitespace-only')
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args = parser.parse_args()
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if not any([args.story_path, args.description_path]):
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parser.error('at least one of ( --story | --description ) must be set')
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if args.story_path and not os.path.isfile(args.story_path):
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parser.error('--story must be a valid file')
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if args.description_path and not os.path.isfile(args.description_path):
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parser.error('--description must be a valid file')
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if args.config_path and not os.path.isfile(args.config_path):
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parser.error('--config must be a valid file')
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main(**vars(args))
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