Untitled

import json
import sys
import traceback


def main():
    PageMaker.make_welcome_page('hyuki@hyuki.com', 'welcome.html')
    PageMaker.make_welcome_page('mamoru@hyuki.com', 'welcome2.html')


class PageMaker:
    @classmethod
    def make_welcome_page(cls, mailaddr, filename):
        try:
            maildict = Database.get_json('maildata')
            username = maildict[mailaddr]
            writer = HtmlWriter(open(filename, 'w'))
            writer.title('Welcom to {}s page!'.format(username))
            writer.paragraph(username + 'のページへようこそ。')
            writer.paragraph('メール待っています。')
            writer.mailto(mailaddr, username)
            writer.close()
            print('{} is created for {} ({})'.format(filename, mailaddr, username))
        except Exception as e:
            _, _, tb = sys.exc_info()
            traceback.print_tb(tb)


class Database:
    def __init__(self):
        pass

    @classmethod
    def get_json(cls, dbname):
        filename = dbname + '.json'
        data = open(filename, 'r')
        try:
            j = json.load(data)
        except Exception:
            print('Warning: ' + filename + ' is not found.')
        return j


class HtmlWriter:
    def __init__(self, writer):
        self.writer = writer

    def title(self, title):
        self.writer.write('<html>\n')
        self.writer.write('<head>')
        self.writer.write('<title>{}</title>'.format(title))
        self.writer.write('</head>\n')
        self.writer.write('<body>\n')
        self.writer.write('<h1>{}</h1>\n'.format(title))

    def paragraph(self, msg):
        self.writer.write('<p>{}</p>\n'.format(msg))

    def link(self, href, caption):
        self.writer.write('<a href="{}">{}</a>'.format(href, caption))

    def mailto(self, mailaddr, username):
        self.link('mmailto:' + mailaddr, username)

    def close(self):
        self.writer.write('</body>\n')
        self.writer.write('</html>\n')
        self.writer.close()


if __name__ == '__main__':
    main()