Added some docstrings, changed doubled code in MainPresenter.

MainPresenter.py

@@ -6,6 +6,7 @@ from PyQt5.Qt import *
 from address_generation.IpGenerator import IpGenerator
 from storage.JSONStorage import JSONStorage
 
+
 class MainPresenter:
     def __init__(self, ui):
         self.ui = ui
@@ -30,33 +31,30 @@ class MainPresenter:
             thread.exit_signal.connect(self.on_thread_exit)
             thread.start()
 
-    def on_thread_exit(self, is_last):
-        if is_last:
-            self.isScanEnabled = False
-            self.ui.startButton.setText("Start")
-            self.storage.save()
-            return
+    def on_thread_exit(self):
         count = 0
         for thr in self.threads:
             if thr.is_running:
                 count = count + 1
+        if count == len(self.threads):
+            self.on_end_scanning()
         self.setCurrentThreadsLabel(count)
 
+    def on_end_scanning(self):
+            self.isScanEnabled = False
+            self.ui.startButton.setText("Start")
+            self.storage.save()
+
     def stopScan(self):
         self.isScanEnabled = False
         for thread in self.threads:
             thread.exit()
-            thread.is_running = False
-            count = 0
-            is_last_thread = False
-            for i in self.threads:
-                if not i.is_running:
-                    count += 1
-            if count == len(self.threads):
-                is_last_thread = True
-            thread.exit_signal.emit(is_last_thread)
+        for thread in self.threads:
+            thread.wait()
+        self.on_end_scanning()
         self.threads.clear()
         self.ui.currentThreadsLabel.setText("0")
+
     def setLogText(self, string):
         self.ui.dataText.append("[" + str(datetime.datetime.now()) + "] " + str(string))
 
@@ -67,7 +65,7 @@ class MainPresenter:
 class ScanThread(QThread):
 
     signal = pyqtSignal(str)
-    exit_signal = pyqtSignal(bool)
+    exit_signal = pyqtSignal()
 
     def __init__(self, ip_generator, ports, timeout, presenter, parent=None):
         QThread.__init__(self, parent)
@@ -80,7 +78,6 @@ class ScanThread(QThread):
         self.is_running = True
 
     def run(self):
-        print("Thread sterted")
         while True:
             scan_address = self.ip_generator.get_next_address(self.previous_address)
             if not scan_address:
@@ -93,13 +90,5 @@ class ScanThread(QThread):
             else:
                 self.signal.emit('%s has closed port: %s' % scan_address)
         self.is_running = False
-        print("Thread stopped")
-        count = 0
-        is_last_thread = False
-        for i in self.presenter.threads:
-            if not i.isRunning():
-                count += 1
-        if count == len(self.presenter.threads):
-            is_last_thread = True
-        self.exit_signal.emit(is_last_thread)
+        self.exit_signal.emit()
         self.exit(1)

address_generation/AbstractAddressGenerator.py

@@ -2,8 +2,14 @@ from abc import abstractmethod, ABC
 
 
 class AbstractAddressGenerator(ABC):
-
+    '''The class describes addess generation mechanism.
+    In __init__ method it should get results of parsing fields
+    and then it returns addresses.'''
     @classmethod
     @abstractmethod
     def get_next_address(self, previous_address, **kwargs):
+        '''Address - an only, indivisible object, that describes single scan
+        target address. This method should return next address to scan based on
+        previous scanned address and result of scanning previous address, that
+        can be placed in kwargs.'''
         pass

address_generation/AbstractParser.py

@@ -2,13 +2,17 @@ from abc import ABC, abstractmethod
 
 
 class AbstractParser(ABC):
+    '''The class describes fields parsing mechanisms'''
 
     @classmethod
     @abstractmethod
     def parse_address_field(self, field):
+        '''In address field can be plased any text, describing address of
+        scanning target'''
         pass
 
     @classmethod
     @abstractmethod
     def parse_port_field(self, field):
+        '''In port field only numbers, whitespaces, comma and '-' allowed'''
         pass

network_scan/AbstractScanner.py

@@ -2,13 +2,18 @@ from abc import ABC, abstractmethod
 
 
 class AbstractScanner(ABC):
+    '''The class is used by one thread to scan targets'''
 
     @classmethod
     @abstractmethod
     def __init__(self, **kwargs):
+        '''In this method you can init some
+        reusable resources needed for scan'''
         pass
 
     @classmethod
     @abstractmethod
     def scan_address(self, address):
+        '''This method should contain scanning process of given address. All
+    items returned will be passed to AbstractStorage and ui'''
         pass

network_scan/__init__.py

@@ -3,5 +3,4 @@ import os
 
 
 fil = __file__[:__file__.rindex(os.sep)]
-print(fil)
 sys.path.insert(0,fil)