def get_chars(request):
peername = request.transport.get_extra_info('peername')
print('Request from: {}, GET data: {!r}'.format(peername, dict(request.GET)))
query = request.GET.get('query', '')
if query:
try:
start = int(request.GET.get('start', 0))
stop = int(request.GET.get('stop', sys.maxsize))
except ValueError:
raise web.HTTPBadRequest()
stop = min(stop, start+RESULTS_PER_REQUEST)
num_results, chars = index.find_chars(query, start, stop)
else:
raise web.HTTPBadRequest()
text = ''.join(char if n % 64 else char+'\n'
for n, char in enumerate(chars, 1))
response_data = {'total': num_results, 'start': start, 'stop': stop}
print('Response to query: {query!r}, start: {start}, stop: {stop}'.format(
query=query, **response_data))
response_data['chars'] = text
json_obj = json.dumps(response_data)
print('Sending {} characters'.format(len(text)))
headers = {'Access-Control-Allow-Origin': '*'}
return web.Response(content_type=TEXT_TYPE, headers=headers, text=json_obj)
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