streams: adding mpd connector with current database

1 files changed, 113 insertions, 0 deletions

diff --git a/streams/mpdstreams b/streams/mpdstreams
new file mode 100755
index 00000000..75d2af13
--- /dev/null
+++ b/streams/mpdstreams
@@ -0,0 +1,113 @@
+#!/usr/bin/python
+
+# this version cannot tell if a stream is running or just ordinary music
+import os
+import sys
+from subprocess import Popen, PIPE
+
+os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))
+pidfile = "/tmp/krebs.stream.pid"
+url_file = os.environ.get("STREAM_DB", "stream.db")
+urls = []
+#urls = [ url,f for (url,f) in open(url_file).readline() ]
+for line in open(url_file):
+    urls.append(line.split())
+#print urls
+mybin = sys.argv[0]
+cmd = sys.argv[1] if len(sys.argv) > 1 else "you-are-made-of-stupid"
+stream = sys.argv[2] if len(sys.argv) == 3 else "groove"
+pipe_silent = open("/dev/null","w")
+
+def urlForStream(stream):
+    for url, s in urls:
+        if s == stream:
+            return url
+
+def streamForUrl(url):
+    for u, s in urls:
+        if u == url:
+            return stream 
+
+def startStream(stream_url):
+    Popen(["mpc","crossfade","5"],
+            stdout=pipe_silent,stderr=pipe_silent)
+    Popen(["mpc","repeat","yes"],
+            stdout=pipe_silent,stderr=pipe_silent)
+    Popen(["mpc","clear"],
+            stdout=pipe_silent,stderr=pipe_silent)
+    Popen(["mpc","load",stream_url],
+            stdout=pipe_silent,stderr=pipe_silent).wait()
+    Popen(["mpc","play"],
+            stdout=pipe_silent,stderr=pipe_silent)
+
+def start(stream):
+    ret = running()
+    if ret:
+        print "!! Stream `%s` already running !" % \
+                (ret)
+    else:
+        startStream(urlForStream(stream))
+        print "** Starting `%s`."% stream
+
+
+def stop():
+    ret = running()
+    if not ret:
+        print "!! No Stream running!"
+    else:
+        print "** Stopping `%s`" % ret
+        Popen(["mpc","stop"],
+            stdout=pipe_silent,stderr=pipe_silent)
+        
+
+def running():
+    try:
+        (out,err) = Popen(["mpc","current"],stdout=PIPE,stderr=PIPE).communicate()
+        out = out.rstrip()
+        return out
+    except Exception as e:
+        return ""
+
+
+def slist():
+    for url, name in urls:
+        print "%s : %s" % (name, url)
+
+
+def shorthelp():
+    print "start|stop|restart|status|list [audio stream]"
+
+
+def longhelp():
+    print "Usage: %s" % mybin,
+    shorthelp
+    print """ get all available streams with '/%(fil)s list'
+    Examples:
+    %(fil)s list
+    %(fil)s start groove
+    %(fil)s switch deepmix
+    %(fil)s status
+    %(fil)s stop""" % {'fil': mybin}
+
+if cmd == "start":
+    start(stream)
+elif cmd == "stop":
+    stop()
+elif cmd == "switch" or cmd == "restart":
+    stop()
+    start(stream)
+elif cmd == "status":
+    ret = running()
+    if not ret:
+        print "** nothing running"  # , e
+    else:
+        print "Now Playing: %s" % ret
+elif cmd == "list":
+    slist()
+elif cmd == "--help":
+    longhelp()
+elif cmd == "-h":
+    shorthelp()
+else:
+    print "unknown command `%s`" % cmd
+    print "try `%s` --help" % os.path.basename(mybin)