Allow query to be run as a piped process

bin/echoprint-inverted-query

@@ -24,3 +24,4 @@ if __name__ == '__main__':
         print json.dumps(
             {'results' : query_inverted_index(
                 codes, inverted_index, 'jaccard')})
+        sys.stdout.flush()

echoprint_server/lib.py

@@ -66,13 +66,21 @@ def parsed_code_streamer(fstream):
     '''
     Convenience generator for reading comma-separated list of integers
     '''
-    for line in fstream:
+    while True:
+        line = fstream.readline()
+        if line == '':
+            break
+
         yield [int(c) for c in line.strip().split(',')]
 
 
 def parsing_code_streamer(fstream):
     '''
     Convenience generator for converting echoprint strings into codes
     '''
-    for line in fstream:
+    while True:
+        line = fstream.readline()
+        if line == '':
+            break
+
         yield decode_echoprint(line.strip())[1]