Collection work

I've begun work on a generic collection class for the library, playlist,
and queue.  Tagpy functions have been merged into the
libsaria.collections.__init__.py file to make things easier.

libsaria/__init__.py

@@ -1,6 +1,6 @@
 # Bryan Schumaker (8/7/2010)
 
-__all__ = [ "music",
+__all__ = [ "collection", "music",
 	"data", "event", "map", "path"]
 
 import event

libsaria/collection/__init__.py

@@ -0,0 +1,25 @@
+# Bryan Schumaker (8/8/2010)
+
+__all__ = ["collection"]
+
+import libsaria
+import tagpy
+call    = libsaria.event.call
+exists  = libsaria.path.exists
+expand  = libsaria.path.expand
+FileRef = tagpy.FileRef
+
+LIBRARY  = 0
+PLAYLIST = 1
+QUEUE    = 2
+
+import collection
+source = collection.Collection()
+
+def new_source(path, bg=True):
+	global source
+	path = expand(path)
+	if not exists(path):
+		return 0
+	return call("NEWSOURCE", source.scan, arg=path, bg=bg)
+

libsaria/collection/collection.py

@@ -0,0 +1,42 @@
+# Bryan Schumaker (8/8/2010)
+
+import libsaria
+import table
+
+class Collection:
+	def __init__(self):
+		self.table = table.Table()
+
+
+	def scan(self, path):
+		print "Scanning path:", path
+		self.clear()
+		self.update(path)
+
+
+	def clear(self):
+		print "Erasing collection ... "
+
+
+	def insert(self, file):
+		tags = file.tag()
+		id = self.table.insert(tags)
+		print id, tags
+
+
+
+	def update(self, path):
+		FileRef = libsaria.collection.FileRef
+		join    = libsaria.path.join
+
+		for root,dirs,files in libsaria.path.walk(path):
+			for file in files:
+				file = join(root,file)
+				try:
+					tagfile = FileRef(file)
+					self.insert(tagfile)
+				except Exception,e:
+					print e
+
+
+

libsaria/collection/table.py

@@ -0,0 +1,14 @@
+# Bryan Schumaker (8/8/2010)
+
+class Table(dict):
+	def __init__(self):
+		dict.__init__(self)
+		self.next_id = 0
+
+
+	def insert(self, tag):
+		id = self.next_id
+		self[id] = (tag.artist, tag.album, tag.title)
+		self.next_id += 1
+		print id, self.next_id
+		return id

libsaria/path.py

@@ -7,6 +7,7 @@ expand = os.path.expanduser
 join   = os.path.join
 mkdir  = os.mkdir
 rm     = os.remove
+walk   = os.walk
 
 dir = None
 def sariadir():

tests/collection.py

@@ -0,0 +1,9 @@
+# Bryan Schumaker (8/8/2010)
+
+from libsaria import collection
+
+#src = "~/Music"
+#src = "~/Music/Foo Fighters"
+src = "~/Music/Foo Fighters/Foo Fighters"
+
+collection.new_source(src, bg=False)