source-*.py examples: pep8ify

* One import per line
* Indent by 4 spaces
* Reformat multiline strings
* Spaces around infix operators
* Reformat argument lists
* Reformat list literals

1 files changed, 63 insertions, 55 deletions

diff --git a/example-scripts/gstreamer/source-background-loop.py b/example-scripts/gstreamer/source-background-loop.py
index 2f13edf..4d1dae1 100755
--- a/example-scripts/gstreamer/source-background-loop.py
+++ b/example-scripts/gstreamer/source-background-loop.py
@@ -1,5 +1,8 @@
 #!/usr/bin/env python3
-import os, sys, gi, signal
+import os
+import sys
+import gi
+import signal
 
 gi.require_version('Gst', '1.0')
 from gi.repository import Gst, GObject
@@ -8,66 +11,71 @@ from gi.repository import Gst, GObject
 GObject.threads_init()
 Gst.init([])
 
+
 class LoopSource(object):
-	def __init__(self, settings):
-		# it works much better with a local file
-		pipeline = """
-			uridecodebin name=src uri=http://c3voc.mazdermind.de/testfiles/bg.ts !
-			videoscale !
-			videoconvert !
-			video/x-raw,format=I420,width={WIDTH},height={HEIGHT},framerate={FRAMERATE}/1,pixel-aspect-ratio=1/1 !
-			matroskamux !
-			tcpclientsink host=localhost port=16000
-		""".format_map(settings)
-
-		print('starting pipeline '+pipeline)
-		self.senderPipeline = Gst.parse_launch(pipeline)
-		self.src = self.senderPipeline.get_by_name('src')
-
-		# Binding End-of-Stream-Signal on Source-Pipeline
-		self.senderPipeline.bus.add_signal_watch()
-		self.senderPipeline.bus.connect("message::eos", self.on_eos)
-		self.senderPipeline.bus.connect("message::error", self.on_error)
-
-		print("playing")
-		self.senderPipeline.set_state(Gst.State.PLAYING)
-
-
-	def on_eos(self, bus, message):
-		print('Received EOS-Signal, Seeking to start')
-		self.src.seek(
-			1.0,                 # rate (float)
-			Gst.Format.TIME,     # format (Gst.Format)
-			Gst.SeekFlags.FLUSH, # flags (Gst.SeekFlags)
-			Gst.SeekType.SET,    # start_type (Gst.SeekType)
-			0,                   # start (int)
-			Gst.SeekType.NONE,   # stop_type (Gst.SeekType)
-			0                    # stop (int)
-		)
-
-	def on_error(self, bus, message):
-		print('Received Error-Signal')
-		(error, debug) = message.parse_error()
-		print('Error-Details: #%u: %s' % (error.code, debug))
-		sys.exit(1)
+
+    def __init__(self, settings):
+        # it works much better with a local file
+        pipeline = """
+            uridecodebin name=src
+                uri=http://c3voc.mazdermind.de/testfiles/bg.ts !
+            videoscale !
+            videoconvert !
+            video/x-raw,format=I420,width={WIDTH},height={HEIGHT},
+                framerate={FRAMERATE}/1,pixel-aspect-ratio=1/1 !
+            matroskamux !
+            tcpclientsink host=localhost port=16000
+        """.format_map(settings)
+
+        print('starting pipeline ' + pipeline)
+        self.senderPipeline = Gst.parse_launch(pipeline)
+        self.src = self.senderPipeline.get_by_name('src')
+
+        # Binding End-of-Stream-Signal on Source-Pipeline
+        self.senderPipeline.bus.add_signal_watch()
+        self.senderPipeline.bus.connect("message::eos", self.on_eos)
+        self.senderPipeline.bus.connect("message::error", self.on_error)
+
+        print("playing")
+        self.senderPipeline.set_state(Gst.State.PLAYING)
+
+    def on_eos(self, bus, message):
+        print('Received EOS-Signal, Seeking to start')
+        self.src.seek(
+            1.0,                 # rate (float)
+            Gst.Format.TIME,     # format (Gst.Format)
+            Gst.SeekFlags.FLUSH,  # flags (Gst.SeekFlags)
+            Gst.SeekType.SET,    # start_type (Gst.SeekType)
+            0,                   # start (int)
+            Gst.SeekType.NONE,   # stop_type (Gst.SeekType)
+            0                    # stop (int)
+        )
+
+    def on_error(self, bus, message):
+        print('Received Error-Signal')
+        (error, debug) = message.parse_error()
+        print('Error-Details: #%u: %s' % (error.code, debug))
+        sys.exit(1)
+
 
 def main():
-	signal.signal(signal.SIGINT, signal.SIG_DFL)
+    signal.signal(signal.SIGINT, signal.SIG_DFL)
 
-	config = os.path.join(os.path.dirname(os.path.realpath(__file__)), '../config.sh')
-	with open(config, 'r') as config:
-		lines = [ line.strip() for line in config if line[0] != '#' ]
-		pairs = [ line.split('=', 1) for line in lines ]
-		settings = { pair[0]: pair[1] for pair in pairs }
+    config = os.path.join(os.path.dirname(os.path.realpath(__file__)),
+                          '../config.sh')
+    with open(config, 'r') as config:
+        lines = [line.strip() for line in config if line[0] != '#']
+        pairs = [line.split('=', 1) for line in lines]
+        settings = {pair[0]: pair[1] for pair in pairs}
 
-	src = LoopSource(settings)
+    src = LoopSource(settings)
 
-	mainloop = GObject.MainLoop()
-	try:
-		mainloop.run()
-	except KeyboardInterrupt:
-		print('Terminated via Ctrl-C')
+    mainloop = GObject.MainLoop()
+    try:
+        mainloop.run()
+    except KeyboardInterrupt:
+        print('Terminated via Ctrl-C')
 
 
 if __name__ == '__main__':
-	main()
+    main()