Convert Juick.com JSON backup to plain text

juick2txt.py

#!/usr/bin/env python 
# -*- coding: utf-8 -*-

import json
from datetime import datetime
import locale
import sys
from sys import platform 
import argparse
import os.path


def process(nj):
    if not args.out_file:
        if '.' in args.file:
            out_name = '.'.join([''.join((args.file).split('.')[:-1]),'txt'])
        else:
            out_name = '.'.join([args.file,'txt'])
    else:
        out_name = args.out_file

    try:
        outfile = open(out_name, 'w', encoding='utf-8')
    except:
        raise

    if platform.startswith('win'):
        dt_locale='rus_rus'
    elif platform.startswith('linux'):
        dt_locale='ru_RU'
    locale.setlocale(locale.LC_ALL, locale=dt_locale)

    dt = lambda d: datetime.strftime(datetime.strptime(d,'%Y-%m-%d %H:%M:%S'), 
        '%d %b %Y')

    def start():
        return ''.join(['#',str(post[0]['mid']).zfill(10),' ','='*65,'\n'])

    def end():
        return ''.join([' '*12,'-'*65,'\n'])

    for post in nj:
        outfile.write(start())
        tags =  ''.join([', '.join(post[0]['tags']), '\n']) if 'tags' in post[0] else None
        link = post[0]["photo"]["medium"] if 'photo' in post[0] else None
        if tags:
            outfile.write(tags)
        b = ''.join([
                    post[0]['body'].replace('\n','\\n'),
                    ''.join([' ', link]) if link else '',
                    '\t',
                    dt(post[0]['timestamp']),
                    '\n'
                    ])
        outfile.write(b)
        if len(post)>1:
            for i in range(1,len(post)):
                c = ''.join([
                        '\t ',
                        ''.join([
                                str(post[i]['rid']),
                                '=>',
                                str(post[i]['replyto'])
                                ]) if 'replyto' in post[i] else str(post[i]['rid']),
                        ''.join([
                                ' ',
                                post[i]['body'].replace('\n','\\n'),
                                '\t',
                                dt(post[i]['timestamp']),
                                '\n'
                            ])])
                outfile.write(c)
        outfile.write(end())
    outfile.close()


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument('file')
    parser.add_argument('-o','--out',help='out file',action='store', 
        default='',dest='out_file')
    parser.add_argument('-r','--reverse',help='reversed output',
        action='store_true',dest='reverse',default=False)

    args = parser.parse_args()
    print(args)
    if os.path.isfile(args.file):
        try:
            with open(args.file, encoding='utf-8') as f:
                nj = json.loads(f.read())
            if args.reverse:
                nj = list(reversed(nj))
            process(nj)
        except KeyboardInterrupt:
            sys.exit()
        except:
            raise
    else:
        print("No file found.")
        sys.exit()