Added system calls and documentation. Read a config file on ocarina

startup

nbproject/project.properties

@@ -1,4 +1,4 @@
 java.lib.path=
 platform.active=Python_2.6.4
-python.lib.path=
+python.lib.path=/home/bjschuma/Programs/ocarina/src/core|/home/bjschuma/Programs/ocarina/src/core/ct|/home/bjschuma/Programs/ocarina/src/extra|
 src.dir=src

src/config.py

@@ -0,0 +1,3 @@
+
+from ocarina import vars
+vars["$verbose"] = 4

src/core/cli.py

@@ -11,13 +11,17 @@ import rlcompleter
 
 import ocarina
 readline.parse_and_bind("tab:complete")
+
 from ct.call import *
+from ct.message import *
 
 
 def loop():
 	while True:
 		try:
+			enable()
 			exec raw_input(ocarina.vars["$prompt"] + " ")
+			restore()
 			
 		# Catch this so that we can use ctrl-d to exit
 		except EOFError:
@@ -27,4 +31,4 @@ def loop():
 			print e
 
 
-ocarina.events.invite("ocarina-start",loop)
+#ocarina.events.invite("ocarina-start",loop)

src/core/coredefaults.py

@@ -8,6 +8,7 @@ __date__ ="$Mar 15, 2010 9:53:46 PM$"
 
 import ocarina
 from ct import path
+from ct import opts
 from ocarina import vars
 
 
@@ -20,7 +21,13 @@ vars["$playonload"] = True
 vars["$playing"] = False
 
 
-ocarina.init()
-import scripting
-import manager
+opts.parse()
+path.mkdir(vars["$ocarina"])
+
+# Set verbose value
+if opts.opts.has("v") == True:
+	vars["$verbose"] += opts.opts["v"]
+if opts.opts.has("verbose") == True:
+	vars["$verbose"] += opts.opts["verbose"]
+
 import gstreamer

src/core/ct/__init__.py

@@ -2,4 +2,5 @@ __author__="bjschuma"
 __date__ ="$Mar 13, 2010 4:20:16 PM$"
 
 
-__all__ = ["call", "cmd", "dict", "message", "opts", "path", "plugin","slist"]
+__all__ = ["call", "cmd", "dict", "message", "opts", "path", 
+						"plugin", "slist", "times"]

src/core/ct/call.py

@@ -1,33 +1,88 @@
 #! /usr/bin/python
 
-# To change this template, choose Tools | Templates
-# and open the template in the editor.
+'''These are core Ocarina system calls that should help in both development
+of future Ocarina features and in usage of ocarina-core'''
 
 __author__="bjschuma"
 __date__ ="$Mar 30, 2010 11:24:43 PM$"
 
 
 import ocarina
+from ct import message
+from ct import times
+from ct import path
+
 
 def load(path):
+	'''Load the song located at path'''
 	import gstreamer
 	gstreamer.load(path)
 
 
 def seek(prcnt):
+	''' Seek to prcnt% of the song.  If 0 < prcnt < 1, then we will seek to
+	(prcnt * 100)% of song's duration.  If prcnt < 100, then we will seek
+	to prcnt% of the song's duration.'''
 	import gstreamer
-	gstreamer.seek(prcnt)
+	good = gstreamer.seek(prcnt)
+	if good == -1:
+		message.write("There was an error seeking to: "+str(prcnt))
+
+
+def progress():
+	'''Return the fraction of the song that we have already played'''
+	import gstreamer
+	progress = gstreamer.getProgress()
+	message.write(progress)
+	return progress
+
+
+def duration():
+	'''Return the total duration of the song.  If message printing is enabled,
+	then we will also print out string representing the duration in
+	hh:mm:ss form'''
+	import gstreamer
+	duration = gstreamer.duration()
+	message.write(times.ms2str(duration))
+	return duration
+
+
+def time():
+	'''Returns how far into the song gstreamer currently is.  If message printing
+	is enabled, then we will also print out a string representing the duration in
+	hh:mm:ss form'''
+	import gstreamer
+	time = gstreamer.currentpos()
+	message.write(times.ms2str(time))
+	return time
+
+
+def gsstate():
+	'''Returns the current gstreamer state'''
+	import gstreamer
+	state = gstreamer.getstate()
+	message.write(state)
+	return state
 
 
 def play():
+	'''Begin playback of the loaded song'''
 	ocarina.events.start("ocarina-play")
 
 
 def pause():
+	'''Pause playback of the current song'''
 	ocarina.events.start("ocarina-pause")
 
 
 def stop():
+	'''Pause playback of the current song and seek to the beginning'''
 	pause()
 	seek(0)
 
+
+def pyfile(file):
+	'''If file exists, try to execute it as a python script'''
+	if path.exists(file) == True:
+		message.write("Running script: "+file,1)
+		execfile(file)

src/core/ct/message.py

@@ -4,8 +4,11 @@ __author__="bjschuma"
 __date__ ="$Mar 13, 2010 4:32:22 PM$"
 
 import ocarina
+
 global enabled
+global lastState
 enabled = True
+lastState = True
 
 
 def write(s,verbose=0):
@@ -17,9 +20,19 @@ def write(s,verbose=0):
 
 def disable():
 	global enabled
+	global lastState
+	lastState = enabled
 	enabled = False
 
 
 def enable():
 	global enabled
-	enabled = True
+	global lastState
+	lastState = enabled
+	enabled = True
+
+
+def restore():
+	global enabled
+	global lastState
+	enabled = lastState

src/core/ct/times.py

@@ -0,0 +1,41 @@
+#! /usr/bin/python
+
+# To change this template, choose Tools | Templates
+# and open the template in the editor.
+
+__author__="bjschuma"
+__date__ ="$Mar 16, 2010 7:36:48 PM$"
+
+
+def ftime(time):
+	time = int(time)
+		
+	#print time
+	# Find hour
+	length = ""
+	if time >= 3600:
+		hour = time/3600
+		time = time - (hour * 3600)
+		if hour > 0:
+			length=str(hour)+":"
+	# Find minute
+	if time >= 60:
+		min = time/60
+		time = time - (min * 60)
+		if min < 10:
+			length+="0"
+		length+=str(min)+":"
+	else:
+		length+="00:"
+	# Remainder is seconds
+	sec = time
+	if sec < 10:
+		length+="0"
+	length+=str(sec)
+	return length
+
+
+def ms2str(ms):
+	# Convert ms to s
+	time = int(ms) / 1000000000
+	return ftime(time)

src/core/gstreamer.py

@@ -142,12 +142,13 @@ def seek(prcnt,fraction=False):
 	if fraction == False:
 		prcnt = float(prcnt)
 		if prcnt < 0:
-			return
+			return -1
 		elif prcnt > 100:
-			return
+			return -1
 		prcnt = prcnt / 100.0
 	newTime = duration() * prcnt
 	player.seek_simple(time,gst.SEEK_FLAG_FLUSH,newTime)
+	return 0
 
 
 bus.add_signal_watch()

src/core/ocarina-core.py

@@ -17,6 +17,8 @@ def main():
 	write("Welcome to Ocarina (core)", 1)
 	
 	ocarina.events.start("ocarina-start")
+	ocarina.config()
+	cli.loop()
 
 
 if __name__ == "__main__":main()

src/core/ocarina.py

@@ -5,32 +5,27 @@ __date__ ="$Mar 13, 2010 4:19:39 PM$"
 
 
 from ct.dict import Dict
-from ct import opts
 from ct import path
-from ct import call
 import event
 
-
-global settings
 global vars
 global events
-global plugins
-global alias
 
-settings = Dict()
+#settings = Dict()
 vars = Dict()
-alias = Dict()
+#alias = Dict()
 events = event.Event()
 plugins = None
 
+'''Attempt to read in a configuration file'''
+def config():
+	global vars
+	from ct.call import pyfile
+	config = "config.py"
+	pyfile(path.join(vars["$ocarina"],config))
+	pyfile(config)
 
-# Set default values
-def init():
-	opts.parse()
-	path.mkdir(vars["$ocarina"])
-
-	# Set verbose value
-	if opts.opts.has("v") == True:
-		vars["$verbose"] += opts.opts["v"]
-	if opts.opts.has("verbose") == True:
-		vars["$verbose"] += opts.opts["verbose"]
+	#config = "config.py"
+	#config = path.join(vars["$ocarina"],"config.py")
+	#from ct.call import pyfile
+	#pyfile(config)