Added ecore Exe example

ecore-Exe-tutorial/ecore-command-example.py

@@ -0,0 +1,100 @@
+"""
+A simple example on how to use ecore.Exe to interact with a command
+
+Usage:
+    python ecore-command-example-py <command>
+    
+Text you put in the entry box is piped to the running command when you press the send button
+"""
+
+import sys
+from efl import ecore
+from efl import evas
+from efl.evas import EVAS_HINT_EXPAND, EVAS_HINT_FILL
+from efl import elementary
+from efl.elementary.window import Window, ELM_WIN_DIALOG_BASIC
+from efl.elementary.box import Box
+from efl.elementary.button import Button
+from efl.elementary.entry import Entry
+
+EXPAND_BOTH = EVAS_HINT_EXPAND, EVAS_HINT_EXPAND
+EXPAND_HORIZ = EVAS_HINT_EXPAND, 0.0
+FILL_BOTH = EVAS_HINT_FILL, EVAS_HINT_FILL
+FILL_HORIZ = EVAS_HINT_FILL, 0.5
+ALIGN_CENTER = 0.5, 0.5
+
+class ourCommand(object):
+    def __init__(self, cmd):
+        self.cmd = cmd
+        self.cmd_exe = None
+
+        win = self.win = Window("ecore-ex", ELM_WIN_DIALOG_BASIC)
+        win.title = "Ecore Example"
+        win.size_hint_weight = evas.EVAS_HINT_EXPAND, evas.EVAS_HINT_EXPAND
+        win.size_hint_align = evas.EVAS_HINT_FILL, evas.EVAS_HINT_FILL
+        win.resize(300, 200)
+        win.callback_delete_request_add(lambda o: elementary.exit())
+        win.show()
+        win.activate()
+
+        self.sendEntry = Entry(win, size_hint_weight=EXPAND_BOTH, size_hint_align=FILL_BOTH)
+        self.sendEntry.show()
+
+        self.sendButton = Button(win, size_hint_weight=EXPAND_HORIZ,
+                              size_hint_align=FILL_HORIZ)
+        self.sendButton.text = "Send!"
+        self.sendButton.callback_pressed_add(self.sendPressed)
+        self.sendButton.show()
+
+        box = Box(win, size_hint_weight=EXPAND_HORIZ,
+                           size_hint_align=FILL_HORIZ)
+        box.pack_end(self.sendEntry)
+        box.pack_end(self.sendButton)
+        box.show()
+
+        win.resize_object_add(box)
+
+        self.run_command(cmd)
+
+    def sendPressed(self, btn):
+        print "Sending Data: %s"%(self.sendEntry.text)
+        if self.cmd_exe:
+            ourResult = self.cmd_exe.send("%s\n"%self.sendEntry.text)
+            print("Send Success: %s"%ourResult)
+        self.sendEntry.text = ""
+
+    def run_command(self, command):
+        self.cmd_exe = cmd = ecore.Exe(
+            command,
+            ecore.ECORE_EXE_PIPE_READ |
+            ecore.ECORE_EXE_PIPE_ERROR |
+            ecore.ECORE_EXE_PIPE_WRITE
+        )
+        cmd.on_add_event_add(self.command_started)
+        cmd.on_data_event_add(self.received_data)
+        cmd.on_error_event_add(self.received_error)
+        cmd.on_del_event_add(self.command_done)
+
+    def command_started(self, cmd, event, *args, **kwargs):
+        print("Command started.\n")
+
+    def received_data(self, cmd, event, *args, **kwargs):
+        print("Output: %s"%event.data)
+
+    def received_error(self, cmd, event, *args, **kwargs):
+        print("Error: %s" % event.data)
+
+    def command_done(self, cmd, event, *args, **kwargs):
+        print("Command done.")
+        elementary.exit()
+
+
+if __name__ == "__main__":
+    cmd = " ".join(sys.argv[1:])
+
+    elementary.init()
+
+    start = ourCommand(cmd)
+
+    elementary.run()
+    elementary.shutdown()