Add help menu option to access user manual

DownloaderForReddit/AboutDialog.py

@@ -46,7 +46,7 @@ def __init__(self):
         self.logo_label.setPixmap(pixmap)
         self.logo_label.setScaledContents(True)
 
-        self.info_label.setText('Version: 1.0\nAuthor: Kyle H')
+        self.info_label.setText('Version: 1.0.1\nAuthor: Kyle H')
         self.info_label.setScaledContents(True)
 
         self.link_label.setText('Homepage: <a href="https://github.com/MalloyDelacroix/DownloaderForReddit">Downloader for Reddit</a>')

DownloaderForReddit/Messages.py

@@ -207,6 +207,17 @@ def invalid_imgur_client(self):
         else:
             return False
 
+    def user_manual_not_found(self):
+        text = 'The user manual cannot be found.  This is most likely because the manual has been moved from the ' \
+               'expected location, or renamed to something the application is not expecting.  To correct the issue ' \
+               'please move the user manual back to the source folder and ensure it is named ' \
+               '"The Downloader For Reddit - User Manual.pdf"'
+        reply = message.information(self, 'User Manual Not Found', text, message.Ok)
+        if reply == message.Ok:
+            return True
+        else:
+            return False
+
 
 class UnfinishedDownloadsWarning(QDialog, Ui_Dialog):
 

DownloaderForReddit/RedditDownloaderGUI.py

@@ -1064,25 +1064,20 @@ def display_about_dialog(self):
 
     def open_user_manual(self):
         manual = 'The Downloader For Reddit - User Manual.pdf'
-        try:
+        if os.path.isfile(os.path.join(os.getcwd(), manual)):
             file = os.path.join(os.getcwd(), manual)
-            if sys.platform == 'win32':
-                os.startfile(file)
-            else:
-                opener = 'open' if sys.platform == 'darwin' else 'xdg-open'
-                subprocess.call([opener, file])
-        except:
+        else:
             separator = '/' if not sys.platform == 'win32' else '\\'
             containing_folder, current = os.getcwd().rsplit(separator, 1)
             file = os.path.join(containing_folder, manual)
+        try:
             if sys.platform == 'win32':
                 os.startfile(file)
             else:
                 opener = 'open' if sys.platform == 'darwin' else 'xdg-open'
                 subprocess.call([opener, file])
-        finally:
-            pass
-
+        except FileNotFoundError:
+            Message.user_manual_not_found(self)
 
     def refresh_user_count(self):
         """Updates the shown user count seen in the file menu"""