Add more command line commands

git-svn-id: file:///home/anna/Desktop/ocarina-legacy/mithos/ocarina@3 1daee41c-8060-4895-b1f0-2197c00d777a

trunk/Makefile

@@ -0,0 +1,6 @@
+
+open:
+	geany *.py &
+
+clean:
+	rm -rf *.pyc

trunk/cline.py

@@ -1,6 +1,17 @@
 import threading
 import curses
 
+################################################################################
+# Command line class, will run in its own thread                               #
+# Does not contain any actual commands, this just takes user input             #
+# Commands must be registered before they can be used                          #
+# When registering a command: pass the key, a poiner to the function, and      #
+#    a help message                                                            #
+# This does have a built-in help function, which displays the help messages    #
+#    for registered commands.  The help function can be overridden if needed   #
+################################################################################
+
+
 class CLine(threading.Thread):
 	# Initialize ncurses stuff
 	def __init__(self):
@@ -102,8 +113,9 @@ class CLine(threading.Thread):
 			self.printLine(line)
 		self.advanceLine()
 		self.prompt()
-	
 
+
+	# Print a single line on the screen
 	def printLine(self,line):
 		(y,x) = self.stdscr.getyx()
 		self.advanceLine()
@@ -118,7 +130,7 @@ class CLine(threading.Thread):
 		self.cmnds[command]=(func,help)
 
 
-
+	# Scan through keys and print help messages
 	def printHelp(self):
 		lines = []
 		keys = self.cmnds.keys()

trunk/ocarina.py

@@ -18,7 +18,7 @@ class main:
 		self.commands.printLines(lines)
 
 		self.song = Song(argv[0],self.quit,self.commands.printLines)
-		self.song.play()
+		#self.song.play()
 
 		# Start main loop as a thread so we can get bus calls and use command line
 		gobject.threads_init()
@@ -26,38 +26,57 @@ class main:
 		thread.start_new_thread(mainloop.run,())
 
 
+	# Quit program
 	def quit(self):
 		self.commands.quit()
 		print "Quitting..."
 		sys.exit(0)
 
 
+	# Register commands for use in command line
 	def registerCmnds(self):
 		self.commands.register("quit",self.quit,"Exit ocarina")
 		self.commands.register("exit",self.quit,"Exit ocarina")
-		self.commands.register("foo",self.foo,"a test function")
 		self.commands.register("play",self.play,"Play current song")
 		self.commands.register("pause",self.pause,"Pause current song")
 		self.commands.register("time",self.time,"Display running time")
+		self.commands.register("info",self.info,"Display detailed info about current song")
+		self.commands.register("this",self.this,"Display basic info about current song")
 
 
-	def foo(self):
-		self.commands.printLine("foo...")
-	
-	
+	# Begin playback
 	def play(self):
 		self.song.play()
 
-
+	# Pause music
 	def pause(self):
 		self.song.pause()
 
-
+	# Show running time info
 	def time(self):
 		cur = self.song.curTime()
 		tot = self.song.length
 		self.commands.printLine(cur.toStr()+" / "+tot.toStr())
-		
+
+	# Show detailed song info
+	def info(self):
+		# Return if no tags found
+		if self.song.taglist == None:
+			self.commands.printLine("Could not find any tags")
+			return
+		for tag in self.song.taglist.keys():
+			self.commands.printLine(tag+": "+str(self.song.taglist[tag]))
+
+	# Show basic song info
+	def this(self):
+		# Return if no tags found
+		if self.song.taglist == None:
+			self.commands.printLine("Could not find any tags")
+			return
+		fields = ["title","artist","track-number","track-count","album"]
+		for field in fields:
+			if (field in self.song.taglist.keys()) == True:
+				self.commands.printLine(field+": "+str(self.song.taglist[field]))
 
 
 if __name__=='__main__':main(sys.argv[1:])

trunk/song.py

@@ -27,6 +27,7 @@ class Song():
 		# Initialize stuff for finding duration
 		self.time_format = gst.Format(gst.FORMAT_TIME)
 		self.length = None
+		self.taglist = None
 
 
 	# Called on bus messages
@@ -42,10 +43,7 @@ class Song():
 			#print "Error: %s" % err, debug
 			self.quit()
 		elif t == gst.MESSAGE_TAG:
-			#print "Tags:"
-			# Probably should convert this to some other data structure
-			# For easier use later
-			taglist = message.parse_tag()
+			self.taglist = message.parse_tag()
 			return
 
 
@@ -54,7 +52,7 @@ class Song():
 		self.player.set_state(gst.STATE_PLAYING)
 		# Start main loop and find duration (if this hasn't been done yet)
 		if self.length == None:
-			time.sleep(0.2)
+			time.sleep(0.5)
 			self.duration()