--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/service/announce/announce.py	Sun Dec 22 00:37:31 2019 -0800
@@ -0,0 +1,115 @@
+"""
+run TTS and send speech or other sounds to playSound and to chromecasts
+"""
+import subprocess, time, re
+
+from docopt import docopt
+from lru import LRU
+from twisted.internet import utils, reactor
+from twisted.internet.defer import inlineCallbacks
+from urllib.parse import urlencode
+import cyclone.web
+import treq
+
+from standardservice.logsetup import log, verboseLogging
+
+
+recentFiles = LRU(50)
+
+
+class Index(cyclone.web.RequestHandler):
+    def get(self):
+        self.render('index.html')
+
+
+class PostAnnouncement(cyclone.web.RequestHandler):
+    @inlineCallbacks
+    def post(self):
+        text = self.get_argument('text')
+        evType = self.get_argument('evType', default=None)
+        if evType is not None:
+            text = f'<prosody rate="-10%" pitch="+30%">{evType}!</prosody>' + text
+
+        url = yield tts(text)
+
+        yield treq.post(r'http://dash:9049/playSound', params={b'uri': url})
+        #chromecastPlay('10.2.0.60', url) # ari
+        #chromecastPlay('10.2.0.61', url) # bed
+        #chromecastPlay('10.2.0.62', url) # asher
+
+        return url
+
+@inlineCallbacks
+def chromecastPlay(ip, url, volume=None):
+    cmdPrefix = ['/opt/cast', '--timeout', '3s', '--host', ip]
+
+    if volume is not None:
+        m = re.search(r'Volume: [\.0-9]+',
+                      subprocess.check_output(cmdPrefix + ['status']))
+        oldVolume = float(m.group(1))
+        subprocess.check_output(cmdPrefix + ['volume', str(volume)])
+
+    output = yield utils.getProcessValue(
+        cmdPrefix[0], args=cmdPrefix[1:] + [
+            'media', 'play', url.decode('utf8')])
+    print('cast out', output)
+
+    if volume is not None:
+        subprocess.check_call(cmdPrefix + ['volume', str(oldVolume)])
+
+
+class Data(cyclone.web.RequestHandler):
+    def get(self, which):
+        print('getting ', which)
+        self.set_header('Content-Type', 'audio/wav')
+        self.write(recentFiles[which])
+
+
+@inlineCallbacks
+def tts(input_xml, affect='surprise', ptype='disagree'):
+    mary_host = "172.17.0.1"
+    mary_port = "59125"
+
+    maryxml = f'''<?xml version="1.0" encoding="UTF-8" ?>
+<maryxml version="0.4"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns=" http://mary.dfki.de/2002/MaryXML"
+ xml:lang="en-US">
+  <p>
+   {input_xml}
+  </p>
+</maryxml>'''
+
+    query_hash = {"INPUT_TEXT": maryxml,
+                  "INPUT_TYPE": "RAWMARYXML",
+                  "LOCALE": "en_US",
+                  "VOICE": "cmu-slt-hsmm",
+                  "OUTPUT_TYPE": "AUDIO",
+                  "AUDIO": "WAVE",
+                  }
+    query = urlencode(query_hash).replace('+', '%20')
+
+    resp = yield treq.post(
+        "http://%s:%s/process?" % (mary_host, mary_port) + query)
+    wav = yield treq.content(resp)
+    which = '%.1f' % time.time()
+    recentFiles[which] = wav
+    url = f'http://10.2.0.1:9010/data/{which}'
+    print('save', len(wav), 'bytes at', url)
+    return url.encode('ascii')
+
+
+if __name__ == '__main__':
+    arg = docopt('''
+    Usage: announce.py [options]
+
+    -v                Verbose
+    ''')
+    verboseLogging(arg['-v'])
+
+    reactor.listenTCP(9010, cyclone.web.Application(handlers=[
+        (r'/', Index),
+        (r'/announcement', PostAnnouncement),
+        (r'/data/(.*)', Data),
+    ], template_path='.'))
+    reactor.run()