external_script module: allow display full output as notification on …

…click (#1585)

py3status/modules/external_script.py

@@ -10,6 +10,8 @@
 The script should not have any parameters, but it could work.
 
 Configuration parameters:
+    button_show_notification: button to show notification with full output
+        (default None)
     cache_timeout: how often we refresh this module in seconds
         (default 15)
     format: see placeholders below (default '{output}')
@@ -21,6 +23,7 @@
         (default False)
 
 Format placeholders:
+    {lines} number of lines in the output
     {output} output of script given by "script_path"
 
 i3status.conf example:
@@ -49,6 +52,7 @@ class Py3status:
     """
     """
     # available configuration parameters
+    button_show_notification = None
     cache_timeout = 15
     format = '{output}'
     localize = True
@@ -64,8 +68,8 @@ def external_script(self):
         response = {}
         response['cached_until'] = self.py3.time_in(self.cache_timeout)
         try:
-            output = self.py3.command_output(self.script_path, shell=True, localized=self.localize)
-            output_lines = output.splitlines()
+            self.output = self.py3.command_output(self.script_path, shell=True, localized=self.localize)
+            output_lines = self.output.splitlines()
             if len(output_lines) > 1:
                 output_color = output_lines[1]
                 if re.search(r'^#[0-9a-fA-F]{6}$', output_color):
@@ -97,9 +101,15 @@ def external_script(self):
             output = ''
 
         response['full_text'] = self.py3.safe_format(
-            self.format, {'output': output})
+            self.format, {'output': output, 'lines': len(output_lines)})
         return response
 
+    def on_click(self, event):
+        button = event["button"]
+        if button == self.button_show_notification:
+            self.py3.notify_user(self.output)
+            self.py3.prevent_refresh()
+
 
 if __name__ == "__main__":
     """