Jun 9, 2019
diff --git a/18-asyncio-py3.7/charfinder/http_charfinder.py b/18-asyncio-py3.7/charfinder/http_charfinder.py
 import asyncio
 from aiohttp import web
 import sys

 from charfinder import UnicodeNameIndex

 TEMPATE_NAME = 'http_charfinder.html'

 CONTENT_TYPE = 'text/html'
 SAMPLE_WORDS = ('bismillah chess cat circled Malayalam digit'
                ' Roman face Ethiopic black mark symbol dot'
                ' operator Braille hexagram').split()

 ROW_TPL = '<tr><td>{code_str}</td><th>{char}</th><td>{name}</td></tr>'
 LINK_TPL = '<a href="/?query={0}" title="find &quot;{0}&quot;">{0}</a>'
 LINKS_HTML = ', '.join(LINK_TPL.format(word) for word in
                       sorted(SAMPLE_WORDS, key=str.upper))

 index = UnicodeNameIndex()

 with open(TEMPATE_NAME) as tpl:
    template = tpl.read()
 template = template.replace('{links}', LINKS_HTML)

 def home(request):
    query = request.path_qs[8:].strip()
    print('Query: {!r}'.format(query))
    if query:
        descriptions = list(index.find_descriptions(query))
        res = ''
        for r in [desc for desc in descriptions]: res += ROW_TPL.format(code_str=r.code_str, char=r.char, name=r.name) + '\n'
        msg = index.status(query, len(descriptions))
    else:
        descriptions = []
        res = ''
        msg = 'Enter words describing characters.'

    html = template.format(query=query, result=res, message=msg)
    print('Sending {} results'.format(len(descriptions)))
    return web.Response(content_type=CONTENT_TYPE, text=html)

 async def init(loop, address, port):
    app = web.Application(loop=loop)
    app.router.add_route('GET', '/', home)
    handler = app.make_handler()
    server = await loop.create_server(handler, address, port)
    return server.sockets[0].getsockname()

 def main(address='127.0.0.1', port=8888):
    port = int(port)
    loop = asyncio.get_event_loop()
    host = loop.run_until_complete(init(loop, address, port))
    print('Serving on {}. Hit CRTL-C to stop.'.format(host))
    try:
        loop.run_forever()
    except KeyboardInterrupt:
        pass
    print('Server shutting down.')
    loop.close()

 if __name__ == "__main__":
    main(*sys.argv[1:])
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,62 @@
		import asyncio
		from aiohttp import web
		import sys

		from charfinder import UnicodeNameIndex

		TEMPATE_NAME = 'http_charfinder.html'

		CONTENT_TYPE = 'text/html'
		SAMPLE_WORDS = ('bismillah chess cat circled Malayalam digit'
		' Roman face Ethiopic black mark symbol dot'
		' operator Braille hexagram').split()

		ROW_TPL = '<tr><td>{code_str}</td><th>{char}</th><td>{name}</td></tr>'
		LINK_TPL = '<a href="/?query={0}" title="find "{0}"">{0}</a>'
		LINKS_HTML = ', '.join(LINK_TPL.format(word) for word in
		sorted(SAMPLE_WORDS, key=str.upper))

		index = UnicodeNameIndex()

		with open(TEMPATE_NAME) as tpl:
		template = tpl.read()
		template = template.replace('{links}', LINKS_HTML)

		def home(request):
		query = request.path_qs[8:].strip()
		print('Query: {!r}'.format(query))
		if query:
		descriptions = list(index.find_descriptions(query))
		res = ''
		for r in [desc for desc in descriptions]: res += ROW_TPL.format(code_str=r.code_str, char=r.char, name=r.name) + '\n'
		msg = index.status(query, len(descriptions))
		else:
		descriptions = []
		res = ''
		msg = 'Enter words describing characters.'

		html = template.format(query=query, result=res, message=msg)
		print('Sending {} results'.format(len(descriptions)))
		return web.Response(content_type=CONTENT_TYPE, text=html)

		async def init(loop, address, port):
		app = web.Application(loop=loop)
		app.router.add_route('GET', '/', home)
		handler = app.make_handler()
		server = await loop.create_server(handler, address, port)
		return server.sockets[0].getsockname()

		def main(address='127.0.0.1', port=8888):
		port = int(port)
		loop = asyncio.get_event_loop()
		host = loop.run_until_complete(init(loop, address, port))
		print('Serving on {}. Hit CRTL-C to stop.'.format(host))
		try:
		loop.run_forever()
		except KeyboardInterrupt:
		pass
		print('Server shutting down.')
		loop.close()

		if __name__ == "__main__":
		main(*sys.argv[1:])