Initial functional commit

.gitignore

@@ -1,3 +1,6 @@
+config.py
+messages.*
+
 # ---> Linux
 *~
 

.gitmodules

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+[submodule "report"]
+	path = report
+	url = https://git.mount-mockery.de/pylib/report.git

activate

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+venv/bin/activate

amplifier.py

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+#!./venv/bin/python
+import config
+import subprocess
+import time
+from requests.exceptions import ConnectionError
+from kodijson import Kodi	# sudo pip install kodi-json
+import logging
+import os
+import report
+
+
+try:
+    from config import APP_NAME as ROOT_LOGGER_NAME
+except ImportError:
+    ROOT_LOGGER_NAME = 'root'
+
+logger = logging.getLogger(ROOT_LOGGER_NAME)
+
+
+
+def monitor_state():
+    mon_state = subprocess.check_output(['/usr/bin/tvservice',  '-s'])
+    if mon_state.split(' ')[1] in ['0xa', '0x12000a', '0x40002']:
+        logger.debug('Connected Display detected')
+        return True
+    else:
+        logger.debug('No connected Display detected')
+        return False
+
+
+def kodi_state():
+        try:
+            kodi = Kodi("http://tv:8080/jsonrpc")
+            ap = kodi.Player.GetActivePlayers()
+            if len(ap['result']) > 0:
+                logger.debug('Active KODI players detected')
+                return True
+            else:
+                logger.debug('No active KODI players detected')
+                return False
+        except ConnectionError:             # This is a dirty trick, if kodi is not yet ready to answer requests
+            return False
+
+def bt_audio_state():
+    pac_data = subprocess.check_output(['pactl', 'list', 'short', 'sinks'])
+    rv = False
+    for line in pac_data.splitlines():
+        if line.decode('utf-8').split('\t')[4] == 'RUNNING':
+            rv = True
+    if rv is True:
+        logger.debug('Running audio sink detected')
+    else:
+        logger.debug('No running audio sink detected')
+    return rv
+
+
+if __name__ == '__main__':
+    report.appLoggingConfigure(os.path.dirname(__file__), config.LOGTARGET, ((config.APP_NAME, config.LOGLVL), ), fmt=config.formatter, host=config.LOGHOST, port=config.LOGPORT)
+
+    prev_state = None
+    while True:
+        # second count
+        curr_state = False
+        if config.METHOD_MONITOR in config.METHOD_ACTIVE:
+            curr_state |= monitor_state()
+        if config.METHOD_KODI in config.METHOD_ACTIVE:
+            curr_state |= kodi_state()
+        if config.METHOD_BT_AUDIO in config.METHOD_ACTIVE:
+            curr_state |= bt_audio_state()
+        # check if there is a change in the screen state
+        if curr_state != prev_state:
+            if curr_state is True:
+                logger.info('Switching on Amplifier')
+                subprocess.check_output(['sudo', 'sispmctl', '-o', '1'])
+            else:
+                logger.info('Switching off Amplifier')
+                subprocess.check_output(['sudo', 'sispmctl', '-f', '1'])
+        prev_state = curr_state
+        time.sleep(1.)

config_example/config.py

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+import report
+
+APP_NAME = 'amplifier'
+
+#####################################################################
+
+METHOD_MONITOR = 'monitor'
+METHOD_KODI = 'kodi'
+METHOD_BT_AUDIO = 'bt_audio'
+
+METHOD_ACTIVE = [METHOD_BT_AUDIO, ]
+
+#####################################################################
+
+LOGTARGET = 'logfile'   # possible choices are: 'logfile' or 'stdout'
+LOGLVL = 'DEBUG'
+
+LOGHOST = '192.168.0.100'
+LOGPORT = 19996
+
+formatter = report.SHORT_FMT
+
+#####################################################################

report

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+Subproject commit 25889f225b3593d515e37bebffef21458c961f64

requirements.txt

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+kodi-json