From 08be69abb923b74f7dc27712d6bef7f6e4a05377 Mon Sep 17 00:00:00 2001
From: Michael Denkowski <mdenkows@cs.cmu.edu>
Date: Sun, 15 Sep 2013 20:32:59 -0700
Subject: Move to using named commands

---
 realtime/mkinput.py             | 17 +++++++++++++++++
 realtime/realtime.py            |  4 ++--
 realtime/rt/decoder.py          |  2 +-
 realtime/rt/rt.py               |  8 ++++++++
 training/mira/kbest_cut_mira.cc | 15 ++++++++++++---
 5 files changed, 40 insertions(+), 6 deletions(-)
 create mode 100755 realtime/mkinput.py

diff --git a/realtime/mkinput.py b/realtime/mkinput.py
new file mode 100755
index 00000000..897b44fd
--- /dev/null
+++ b/realtime/mkinput.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+import itertools
+import sys
+
+def main():
+
+    if len(sys.argv[1:]) != 2:
+        sys.stderr.write('usage: {} test.src test.ref >test.input\n'.format(sys.argv[0]))
+        sys.exit(2)
+
+    for (src, ref) in itertools.izip(open(sys.argv[1]), open(sys.argv[2])):
+        sys.stdout.write('{}'.format(src))
+        sys.stdout.write('LEARN ||| {} ||| {}'.format(src.strip(), ref))
+
+if __name__ == '__main__':
+    main()
diff --git a/realtime/realtime.py b/realtime/realtime.py
index dff7e90c..554c52ca 100755
--- a/realtime/realtime.py
+++ b/realtime/realtime.py
@@ -38,8 +38,8 @@ def main():
                 hyp = rtd.decode(input[0])
                 sys.stdout.write('{}\n'.format(hyp))
                 sys.stdout.flush()
-            elif len(input) == 2:
-                rtd.learn(*input)
+            else:
+                rtd.command(input)
 
     # Clean exit on ctrl+c
     except KeyboardInterrupt:
diff --git a/realtime/rt/decoder.py b/realtime/rt/decoder.py
index 34b5d391..57739d93 100644
--- a/realtime/rt/decoder.py
+++ b/realtime/rt/decoder.py
@@ -34,6 +34,6 @@ class MIRADecoder(Decoder):
         self.decoder = util.popen_io(mira_cmd)
 
     def update(self, sentence, grammar, reference):
-        input = '<seg grammar="{g}">{s}</seg> ||| {r}\n'.format(s=sentence, g=grammar, r=reference)
+        input = 'LEARN ||| <seg grammar="{g}">{s}</seg> ||| {r}\n'.format(s=sentence, g=grammar, r=reference)
         self.decoder.stdin.write(input)
         return self.decoder.stdout.readline().strip()
diff --git a/realtime/rt/rt.py b/realtime/rt/rt.py
index 1b8ac58c..0ce05a56 100644
--- a/realtime/rt/rt.py
+++ b/realtime/rt/rt.py
@@ -19,6 +19,8 @@ class RealtimeDecoder:
 
     def __init__(self, configdir, tmpdir='/tmp', cache_size=5, norm=False):
 
+        self.commands = {'LEARN': self.learn}
+
         cdec_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
         # Temporary work dir
@@ -126,6 +128,12 @@ class RealtimeDecoder:
         self.detokenizer.stdin.write('{}\n'.format(line))
         return self.detokenizer.stdout.readline().strip()
 
+    def command(self, args):
+        try:
+            self.commands[args[0]](*args[1:])
+        except:
+            logging.info('Command error: {}'.format(' ||| '.join(args)))
+        
     def learn(self, source, target):
         if '' in (source.strip(), target.strip()):
             logging.info('Error empty source or target: {} ||| {}'.format(source, target))
diff --git a/training/mira/kbest_cut_mira.cc b/training/mira/kbest_cut_mira.cc
index e4435abb..a9a4aeb6 100644
--- a/training/mira/kbest_cut_mira.cc
+++ b/training/mira/kbest_cut_mira.cc
@@ -734,10 +734,19 @@ int main(int argc, char** argv) {
     		  ViterbiESentence(bobs.hypergraph[0], &trans);
     		  cout << TD::GetString(trans) << endl;
     		  continue;
-    	  // Translate and update (normal MIRA)
+          // Special command:
+          // CMD ||| arg1 ||| arg2 ...
     	  } else {
-    		  ds->update(buf.substr(delim + 5));
-    		  buf = buf.substr(0, delim);
+              string cmd = buf.substr(0, delim);
+              buf = buf.substr(delim + 5);
+        	  // Translate and update (normal MIRA)
+              // LEARN ||| source ||| reference
+              if (cmd == "LEARN") {
+                  delim = buf.find(" ||| ");
+        		  ds->update(buf.substr(delim + 5));
+        		  buf = buf.substr(0, delim);
+              }
+              // TODO: additional commands
     	  }
       }
       //TODO: allow batch updating
-- 
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