libsaria: Began library scanning routines

I can add a new path to a dictionary, but I don't do any actual scanning
yet.  Instead, I just print out each path in the library.

libsaria/path/files.py

@@ -34,7 +34,7 @@ def universal_open(file):
 	file = file.replace("%20", " ")
 	file = file.replace("%22", "\"")
 	if path.is_dir(file):
-		libsaria.sources.new_source(file)
+		libsaria.sources.make_library(file)
 		return
 	base, ext = path.splitext(file)
 	func = mapping.get(ext, open_music)

libsaria/sources/__init__.py

@@ -4,6 +4,7 @@ import libsaria
 exists  = libsaria.path.exists
 expand  = libsaria.path.expand
 
+import library
 import oldlibrary
 import playlist
 import queue
@@ -52,6 +53,13 @@ def new_source(path, bg=True):
 	oldlibrary.scan(path)
 	libsaria.callbacks.new_source()
 
+def make_library(path):
+	path = expand(path)
+	if not exists(path):
+		return
+	library.add_path(path)
+	library.update()
+
 def play_id(id):
 	global cur_id
 	cur_id = id

libsaria/sources/library/__init__.py

@@ -1,2 +1,8 @@
 # Bryan Schumaker (5 / 20 / 2011)
 
+import library
+import update
+
+# Function pointers for conveniance
+add_path = library.add_path
+update   = update.update

libsaria/sources/library/library.py

@@ -6,5 +6,11 @@ library_lock   = threading.Lock()
 lock_library   = library_lock.acquire
 unlock_library = library_lock.release
 
-# Map fileid(directory) -> dict()
+# Map directory -> dict()
 lib_dict = dict()
+
+
+def add_path(path):
+	lock_library()
+	lib_dict.setdefault(path, dict())
+	unlock_library()

libsaria/sources/library/update.py

@@ -0,0 +1,7 @@
+# Bryan Schumaker (5 / 21 / 2011)
+
+import library
+
+def update():
+	for path in library.lib_dict.keys():
+		print path