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UI_helper.py
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UI_helper.py
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from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QApplication, QAction, QFileDialog, QMessageBox, QLineEdit, QDialog
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import QAbstractTableModel
from NoteDialog import NoteDialog
from gui.addsubnet_ui import Ui_Dialog as form
from Addsubnet import Addsubnet
from IPTrackerData import IPTrackerData
from TableModel import *
from threading import Thread
import time
import os
from pathlib import Path
class MySignal(QtCore.QObject):
''' Why a whole new class? See here:
https://stackoverflow.com/a/25930966/2441026 '''
sig_no_args = QtCore.pyqtSignal()
sig_with_str = QtCore.pyqtSignal(str)
sig_sel_row = QtCore.pyqtSignal(int)
class UI_helper(object):
def __init__(self):
self._form = ""
self.header = ['IP', 'Status', 'Hostname', 'Notes']
self._selectedsubnetid = ""
self.selected_QModelIndex = ""
self.signal = MySignal()
self.signal.sig_no_args.connect(self.tbl_update)
self.signal.sig_sel_row.connect(self.tbl_highlight)
def build_menubar(self, form, app):
self._form = form
# Create exit action
exitAction = QAction(QIcon('exit.png'), '&Exit', app)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit application')
exitAction.triggered.connect(self.exitCall)
fileMenu = form.menubar.addMenu('&File')
fileMenu.addAction(exitAction)
# Create settings action
settingsAction = QAction(QIcon('exit.png'), '&Add Subnet', app)
settingsAction.setShortcut('Ctrl+A')
settingsAction.setStatusTip('Add Subnet')
settingsAction.triggered.connect(self.settingsCall)
# Remove settings action
removeAction = QAction(QIcon('remove.png'), '&Remove Subnet', app)
removeAction.setShortcut('Ctrl+R')
removeAction.setStatusTip('Remove Subnet')
removeAction.triggered.connect(self.removeCall)
# Create settings export action
settingsAction2 = QAction(QIcon(''), '&Export', app)
settingsAction2.setShortcut('Ctrl+E')
settingsAction2.setStatusTip('Export')
settingsAction2.triggered.connect(self.exportCall)
# Create settings action
settingsAction3 = QAction(QIcon('exit.png'), '&Scan', app)
settingsAction3.setShortcut('Ctrl+S')
settingsAction3.setStatusTip('Scan')
settingsAction3.triggered.connect(self.scanCall)
sMenu = form.menubar.addMenu('&Actions')
sMenu.addAction(settingsAction)
sMenu.addAction(removeAction)
sMenu.addAction(settingsAction2)
sMenu.addAction(settingsAction3)
def exitCall(self):
exit()
def settingsCall(self):
dialog = Addsubnet()
dialog.exec_()
dialog.show()
self.poplist(self._form)
def removeCall(self):
# check for selected subnet
if self._selectedsubnetid == "":
msgbox = QMessageBox(QMessageBox.Question, "Subnet", "You must select a subnet to remove!")
msgbox.addButton(QMessageBox.Ok)
reply = msgbox.exec()
return
_name = self.selected_QModelIndex.data()
confBox = QMessageBox()
confBox.setIcon(QMessageBox.Question)
confBox.setText(f"Are you sure you want to remove {_name}")
confBox.setWindowTitle(f"Remove Subnet {_name}")
confBox.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)
#confBox.buttonClicked.connect(msgButtonClick)
returnValue = confBox.exec()
if returnValue == QMessageBox.Ok:
print('OK clicked')
Data = IPTrackerData()
_subnet_id = Data.get_subnet_id(_name)
Data.remove_subnet(_subnet_id)
self.poplist(self._form)
def exportCall(self):
# check for selected subnet
if self._selectedsubnetid == "":
msgbox = QMessageBox(QMessageBox.Question, "Subnet", "You must select a subnet to export!")
msgbox.addButton(QMessageBox.Ok)
reply = msgbox.exec()
return
path = str(Path.home())
dialog = QtWidgets.QFileDialog()
dialog.setAcceptMode(QtWidgets.QFileDialog.AcceptOpen)
dialog.setDirectory(path)
dialog.setFileMode(QtWidgets.QFileDialog.Directory)
dialog.setOption(QtWidgets.QFileDialog.ShowDirsOnly, True)
dialog.setViewMode(QtWidgets.QFileDialog.Detail)
if dialog.exec_() == QtWidgets.QFileDialog.Accepted:
_dir = dialog.selectedFiles()[0]
_filename = self.selected_QModelIndex.data()
Data = IPTrackerData()
_file = Data.export_CSV(self._selectedsubnetid, _dir, _filename)
_finishbox = QMessageBox(QMessageBox.Question, "Data Exported", "Subnet Written to file (" + _file + ")")
_finishbox.exec()
# populate Subnet name list
def poplist(self, form):
model = QtGui.QStandardItemModel()
form.listView.setModel(model)
form.listView.clicked.connect(self.list_click)
Data = IPTrackerData()
for i in Data.subnets:
item = QtGui.QStandardItem(i)
model.appendRow(item)
def list_click(self, index):
_row = index.row()
Data = IPTrackerData()
_subnetid = Data.get_subnet_id(str(index.data()))
# set vairiables
self._selectedsubnetid = _subnetid
self.selected_QModelIndex = index
tblData = Data.get_ips(_subnetid)
if len(tblData) == 0:
tblData = [['', '', '', '']]
tv = self._form.tableView
tablemodel = TableModel(tblData, self.header)
tv.setModel(tablemodel)
# hide vertical header
vh = tv.verticalHeader()
vh.setVisible(False)
# set horizontal header properties
hh = tv.horizontalHeader()
hh.setStretchLastSection(True)
# set column width to fit contents
# tv.resizeColumnsToContents()
# set row height
tv.resizeRowsToContents()
tv.setSelectionBehavior(tv.SelectRows)
# enable sorting
tv.setSortingEnabled(False)
tv.clicked.connect(self.subnet_click)
def subnet_click(self, rindex):
_col = rindex.column()
_row = rindex.row()
_ip = self._form.tableView.model().index(_row, 0)
_ip = _ip.data()
msg = [rindex.data(), _ip]
if _col == 3:
dlg2 = NoteDialog(msg)
if dlg2.exec():
Data = IPTrackerData()
_data = (dlg2.get_note(), _ip, self._selectedsubnetid)
Data.update_ip_note(_data)
# update table
self.signal.sig_no_args.emit()
else:
dlg2.close()
def fping(self, address):
import os
import sys
import subprocess
import time
startupinfo = None
if os.name == "nt":
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
cmd = "ping -n 1 -w 3 " + address
else:
cmd = ["/usr/bin/ping", "-c", "1", "-W", "3", address]
p = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
startupinfo=startupinfo)
# Wait until process terminates (without using p.wait())
while p.poll() is None:
# Process hasn't exited yet, let's wait some
time.sleep(0.5)
# windows
if os.name == 'nt':
_sub = "Received = 1"
else:
# linux
_sub = "1 received,"
# Get return code from process
ret = p.stdout.read()
if _sub in str(ret):
return True
else:
return False
def ipscan(self, subnetid):
import socket
print("subnet:" + str(subnetid))
Data = IPTrackerData()
_ips = Data.get_ips(subnetid)
_cnt = 0
for _ip in _ips:
# Highlight row
self.signal.sig_sel_row.emit(_cnt)
# ping ip for status
if self.fping(_ip[0]) == True:
_statdata = ("Alive", _ip[0], subnetid)
print(_statdata)
Data.update_ip_status(_statdata)
else:
_statdata = ("", _ip[0], subnetid)
Data.update_ip_status(_statdata)
# check for dns name
try:
_dns = socket.gethostbyaddr(_ip[0])
_hostname = _dns[0]
except:
_hostname = ""
_data = (_hostname, _ip[0], subnetid)
Data.update_ip_hostname(_data)
_cnt += 1
# update table
self.signal.sig_no_args.emit()
def tbl_update(self):
self.list_click(self.selected_QModelIndex)
print("update tbl")
def tbl_highlight(self, row):
tv = self._form.tableView
tv.selectRow(row)
print("fire highlight callback", str(row))
def scanCall(self):
print("scan subnet")
# add check for no selected subnet
t = Thread(target=self.ipscan, args=(self._selectedsubnetid,))
t.setDaemon(True) # set to exit with main thread
t.start()