Update code to python3

scripts/rqt_embed_window

@@ -1,8 +1,7 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
-from rqt_embed_window.RqtEmbedWindow import RqtEmbedWindow
 from rqt_gui.main import Main
 
 main = Main(filename='rqt_embed_window')

scripts/test_if_window_can_be_embedded.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 def get_window_id_by_pid(pid):
     """
@@ -21,6 +21,7 @@ def get_window_id_by_pid(pid):
                 return int(fields[0], 16)
     return None
 
+
 def run_app(window_id):
     from PyQt5.QtGui import QWindow
     from PyQt5.QtWidgets import QWidget, QVBoxLayout, QApplication, QPushButton
@@ -48,7 +49,6 @@ def run_app(window_id):
 
     main_widget.show()
     app.exec_()
-
 
 
 if __name__ == '__main__':

src/rqt_embed_window/RqtEmbedWindow.py

@@ -8,7 +8,7 @@
 from python_qt_binding.QtGui import QWindow
 from python_qt_binding.QtCore import Qt
 from qt_gui.settings import Settings
-from shell_cmd import ShellCmd
+from rqt_embed_window.shell_cmd import ShellCmd
 
 
 def get_window_id_by_window_name(window_name):

src/rqt_embed_window/shell_cmd.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import subprocess
 import tempfile
@@ -52,7 +52,6 @@ def wait_until_done(self):
         while not self.is_done():
             time.sleep(0.1)
 
-
     def get_pid(self):
         return self.process.pid
 
@@ -68,14 +67,14 @@ def kill(self):
     cmd = ShellCmd("sleep 3")
     try:
         while not cmd.is_done():
-            print "Still sleeping..."
+            print("Still sleeping...")
             time.sleep(0.5)
     except KeyboardInterrupt:
-        print "Pressed Control+C, stopping command."
+        print("Pressed Control+C, stopping command.")
         cmd.kill()
     if cmd.is_succeeded():
-        print "The command finished succesfully"
-        print "It printed: " + str(cmd.get_stdout())
+        print("The command finished succesfully")
+        print("It printed: " + str(cmd.get_stdout()))
     else:
-        print "The command didn't finish succesfully"
-        print "Its stderr was: " + str(cmd.get_stdout())
+        print("The command didn't finish succesfully")
+        print("Its stderr was: " + str(cmd.get_stdout()))