Start of automated recording tests.

scripts/piped-work/recording-test.py

@@ -0,0 +1,90 @@
+# recording-test.py
+# loads testfile-in.wav, plays it, recording at the same time, and then 
+# exports the result as testfile-out.wav. 
+# Suitable for rinse and repeat with different input files.
+# Assumes testfile-in.wav is one minute of audio.
+
+# Make sure Audacity is running first and that mod-script-pipe is enabled
+# before running this script.
+
+import os
+import sys
+import time
+
+if( sys.platform  == 'win32' ):
+    print( "recording-test.py, running on windows" )
+    toname = '\\\\.\\pipe\\ToSrvPipe'
+    fromname = '\\\\.\\pipe\\FromSrvPipe'
+    EOL = '\r\n\0'
+else:
+    print( "recording-test.py, running on linux or mac" )
+    toname = '/tmp/audacity_script_pipe.to.' + str(os.getuid())
+    fromname = '/tmp/audacity_script_pipe.from.' + str(os.getuid())
+    EOL = '\n'
+
+print( "Write to  \"" + toname +"\"" )
+if not os.path.exists( toname ) :
+   print( " ..does not exist.  Ensure Audacity is running with mod-script-pipe." )
+   sys.exit();
+    
+print( "Read from \"" + fromname +"\"")
+if not os.path.exists( fromname ) :
+   print( " ..does not exist.  Ensure Audacity is running with mod-script-pipe." )
+   sys.exit();
+
+print( "-- Both pipes exist.  Good." )
+
+tofile = open( toname, 'wt+' )
+print( "-- File to write to has been opened" )
+fromfile = open( fromname, 'rt')
+print( "-- File to read from has now been opened too\r\n" )
+
+
+def sendCommand( command ) :
+    print( "Send: >>> "+command )
+    tofile.write( command + EOL )	
+    tofile.flush()
+
+def getResponse() :
+    result = ''
+    line = ''
+    while line != '\n' :
+        result += line
+        line = fromfile.readline()
+	#print(" I read line:["+line+"]")
+    return result
+
+def doCommand( command ) :
+    sendCommand( command )
+    response = getResponse()
+    print( "Rcvd: <<< " + response )
+    return response
+
+def do( command ) :
+    doCommand( command )
+
+def quickTest() :
+    do( 'Help: CommandName=Help' )
+
+# You will need to modify the paths in this function and the next.
+def playRecord( name ) :
+    do("Import: Filename='C:\\Users\\James Crook\\Documents\\Audacity\\" + name + ".wav'")
+    do("Select: FirstTrack=0 LastTrack=0 Mode=All")
+    do("MenuCommand: CommandName=Record2ndChoice")
+
+def exportIt( name ):
+    do("Select: FirstTrack=0 LastTrack=1 Mode=All")
+    do("SetTrackInfo: TrackIndex=0 Selected=False")
+    do("Export: Filename='C:\\Users\\James Crook\\Documents\\Audacity\\" + name + ".wav' Mode=Selection Channels=1.0")
+    do("Select: FirstTrack=0 LastTrack=1 Mode=All")
+    do("MenuCommand: CommandName=RemoveTracks")
+
+def doOneFile( name ):
+    playRecord(name + "-in")
+    time.sleep( 65 )
+    exportIt(name + "-out")
+    
+
+quickTest()
+doOneFile("testfile")
+