allocate filename when signal starts
[scannr.git] / scannr.py
blob:a/scannr.py -> blob:b/scannr.py
--- a/scannr.py
+++ b/scannr.py
@@ -1,21 +1,57 @@
+import logging
+logging.basicConfig(level=logging.DEBUG,
+                    format='%(asctime)s\t%(levelname)s\t%(message)s')
+
 import snd
 import time
 from datetime import date
 import threading
 from pydispatch import dispatcher
 import wave
+import serial
+#python -m serial.tools.miniterm -p COM20 -e -b 115200 --cr
+import psycopg2
+import csv
+import sys,os
+
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__) or '.', 'pynma'))
+import pynma
 
 filename = "demo.wav"
+MIN_LENGTH = 90000
 
-def worker(filename):
+
+def worker(filename, length):
+
     """thread worker function
     http://www.doughellmann.com/PyMOTW/threading/
+    https://github.com/uskr/pynma
+ffmpeg -i 2012-09-29-1348911268.34-demo.wav -ar 8000 -ab 4.75k test.3gp
+http://stackoverflow.com/questions/2559746/getting-error-while-converting-wav-to-amr-using-ffmpeg
+"""
+    print 'Worker for '+filename
+    ser.write("GLG\r")   
+    line = ser.readline()   # read a '\n' terminated line
+    print line
+    reader = csv.reader([line])
+    for row in reader:
+        #GLG,40078,NFM,0,0,CanberraBlackMnt,AustralianCapita,SES Ops 1,1,0,NONE,NONE,NONE
+        if (row[0] != 'GLG'):
+            print "uh oh"
+        if (row[1] != ''):  
+            tgid = row[1]
+            #nma.push("scannr", "ping", filename, "http://www.google.com")
+            tgname = row[7]
+            sitename = row[5]
+            """http://initd.org/psycopg/docs/usage.html"""
+            cur = conn.cursor()
+            cur.execute("INSERT INTO recordings (filename,tgid,tgname,sitename,length) VALUES (%s, %s,%s, %s, %s)",(filename,tgid,tgname,sitename, length))
+            conn.commit()
+            cur.close()
+        else:
+            print filename+" has no TGID"
 
-    https://github.com/uskr/pynma
-
-http://stackoverflow.com/questions/1092531/event-system-in-python """
-    print 'Worker for '+filename
-    
     return
 
 def filenameMaker():
@@ -25,20 +61,36 @@
 def record_to_async_file():
     "Records from the microphone and outputs the resulting data to `path`"
     sample_width, data = snd.record()
-    data = snd.pack('<' + ('h'*len(data)), *data)
-    path = filename
-    dispatcher.send( signal='FILE_CREATED', sender=filename, filename=filename)
-    wf = wave.open(path, 'wb')
-    wf.setnchannels(1)
-    wf.setsampwidth(sample_width)
-    wf.setframerate(snd.RATE)
-    wf.writeframes(data)
-    wf.close()
-    print("done - result written to "+path)
+    print str(len(data))
+    if len(data) > MIN_LENGTH:
+        data = snd.pack('<' + ('h'*len(data)), *data)
+        path = "./data/"+filename
+        dispatcher.send( signal='FILE_CREATED', sender=filename, filename=filename, length=len(data))
+        wf = wave.open(path, 'wb')
+        wf.setnchannels(1)
+        wf.setsampwidth(sample_width)
+        wf.setframerate(snd.RATE)
+        wf.writeframes(data)
+        wf.close()
+        del wf
+        print("done - result "+str(len(data))+" frames written to "+path)
+    del data
 
 dispatcher.connect( filenameMaker, signal='SND_STARTED', sender=dispatcher.Any )
 dispatcher.connect( worker, signal='FILE_CREATED', sender=dispatcher.Any )
-print "Scannr started..."
+
+print "Opening serial port..."
+if sys.platform.startswith('darwin'):
+	ser = serial.Serial('/dev/tty.usbserial-FTB3VL83', 112500, timeout=1) 
+elif sys.platform.startswith('win32'):
+	ser = serial.Serial('COM20', 112500, timeout=1) 
+print "Loading notifymyandroid..."
+nma = pynma.PyNMA( "a6f50f76119eda33befe4325b4b9e1dd25eef7bad2868e4f")    
+print "Connecting database..."
+conn = psycopg2.connect("dbname=scannr user=postgres password=snmc")
+print "Scannr started."
 while True:
-    print "ready to record"
+    print "ready to record again"
     record_to_async_file()
+ser.close()
+