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# -*- coding: utf-8 -*-
import time
from pprint import pformat
from gi.repository import GLib, Gio, Gtk
from dfeet.uiloader import UILoader
class ExecuteMethodDialog:
def __init__(self, data_dir, connection, connection_is_bus, bus_name,
method_obj, parent_window):
signal_dict = {
'execute_dbus_method_cb': self.execute_cb,
'execute_dialog_close_cb': self.close_cb
}
self.connection = connection
self.connection_is_bus = connection_is_bus
self.bus_name = bus_name
self.method_obj = method_obj
ui = UILoader(data_dir, UILoader.UI_EXECUTEDIALOG)
self.dialog = ui.get_root_widget()
self.dialog.set_transient_for(parent_window)
self.label_method_name = ui.get_widget('label_method_name')
self.label_bus_name = ui.get_widget('label_bus_name')
self.label_object_path = ui.get_widget('label_object_path')
self.label_interface = ui.get_widget('label_interface')
self.notebook = ui.get_widget('notebook1')
self.parameter_textview = ui.get_widget('parametertextview1')
self.source_textview = ui.get_widget('sourcetextview1')
self.prettyprint_textview = ui.get_widget('prettyprinttextview1')
self.method_execution_count_spinbutton = ui.get_widget('method_exec_count_spinbutton')
self.label_avg = ui.get_widget('label_avg')
self.label_min = ui.get_widget('label_min')
self.label_max = ui.get_widget('label_max')
ui.connect_signals(signal_dict)
self.label_method_name.set_markup("%s" % (self.method_obj.markup_str))
self.label_bus_name.set_text(self.bus_name)
self.label_object_path.set_markup("%s" % (self.method_obj.object_path))
self.label_interface.set_markup("%s" % (self.method_obj.iface_info.name))
def execute_cb(self, widget):
# get given parameters
buf = self.parameter_textview.get_buffer()
params = buf.get_text(buf.get_start_iter(),
buf.get_end_iter(), False)
# reset the statistics stuff
self.label_avg.set_text("")
self.label_min.set_text("")
self.label_max.set_text("")
user_data = {
'avg': 0,
'count': 0,
}
try:
# build a GVariant
if params:
params = "(" + params + ",)"
params_code = '(' + self.method_obj.in_args_code + ')'
params_gvariant = GLib.Variant(params_code, eval(params))
else:
params_gvariant = None
if self.connection_is_bus:
proxy = Gio.DBusProxy.new_sync(self.connection,
Gio.DBusProxyFlags.NONE,
None,
self.bus_name,
self.method_obj.object_path,
self.method_obj.iface_info.name,
None)
# call the function
for i in range(0, self.method_execution_count_spinbutton.get_value_as_int()):
user_data['method_call_time_start'] = time.time()
proxy.call(
self.method_obj.method_info.name, params_gvariant,
Gio.DBusCallFlags.NONE, -1, None, self.method_connection_bus_cb, user_data)
else:
# FIXME: implement p2p connection execution
raise Exception("Function execution on p2p connections not yet implemented")
# self.connection.call(
# None, object_path, self.method_obj.iface_obj.iface_info.name,
# self.method_obj.method_info.name, params_gvariant,
# GLib.VariantType.new("(s)"), Gio.DBusCallFlags.NONE, -1, None)
except Exception as e:
# output the exception
self.source_textview.get_buffer().set_text(str(e))
self.prettyprint_textview.get_buffer().set_text(pformat(str(e)))
def method_connection_bus_cb(self, proxy, res_async, user_data):
"""async callback for executed method"""
try:
# get the result from the dbus method call
result = proxy.call_finish(res_async)
# remember the needed time for the method call
method_call_time_end = time.time()
method_call_time_needed = method_call_time_end - user_data['method_call_time_start']
# update avg, min, max
user_data['avg'] += method_call_time_needed
user_data['count'] += 1
self.label_avg.set_text("%.4f" % (float(user_data['avg'] / user_data['count'])))
self.label_min.set_text(
"%.4f" % min(float(self.label_min.get_text() or "999"), method_call_time_needed))
self.label_max.set_text(
"%.4f" % max(float(self.label_max.get_text() or "0"), method_call_time_needed))
# output result
if result:
self.source_textview.get_buffer().set_text(str(result))
lines = [pformat(x) for x in result.unpack()]
self.prettyprint_textview.get_buffer().set_text(',\n'.join(lines))
else:
self.prettyprint_textview.get_buffer().set_text(
'This method did not return anything')
except Exception as e:
# output the exception
self.source_textview.get_buffer().set_text(str(e))
self.prettyprint_textview.get_buffer().set_text(pformat(str(e)))
def run(self):
response = self.dialog.run()
if response == Gtk.ResponseType.DELETE_EVENT or response == Gtk.ResponseType.CLOSE:
self.dialog.destroy()
def close_cb(self, widget):
self.dialog.destroy()
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