1import json 2import os 3 4try: 5 # Python 3 6 from urllib.parse import parse_qs 7except ImportError: 8 # Python 2 9 from urlparse import parse_qs 10 11 12def application(environ, start_response): 13 ret = { 14 'FileExists': False, 15 } 16 17 d = parse_qs(environ['QUERY_STRING']) 18 19 ret['FileExists'] = os.path.exists(d.get('path')[0]) 20 21 out = json.dumps(ret) 22 23 start_response( 24 '200', 25 [ 26 ('Content-Type', 'application/json'), 27 ('Content-Length', str(len(out))), 28 ], 29 ) 30 31 return out.encode('utf-8') 32