youtube-video-downloader functionality addition & bug fix

- initial bug with sole video download was fixed
- additional functionality of downloading entire playlists was added
- additional error checking was introduced for better user experience

Author: anandanmukh

YouTube-Video-Downloader/README.md

@@ -1,8 +1,8 @@
 # YouTube Video Downloader
 
-The objective of this project is to download any type of video in a fast and easy way from youtube in your device.
+The objective of this project is to download any type of video or an entire playlist in a fast and easy way from YouTube in your device.
 
-In this, user has to copy the youtube video URL that they want to download and simply paste that URL in the ‘paste link here’ section and click on the download button, it will start downloading the video. When video downloading finishes, it shows a message ‘downloaded’ popup on the window below the download button.
+In this, user has to copy the youtube video/playlist URL that they want to download and simply paste that URL in the ‘paste link here’ section and click on the download button, it will start downloading the video. When video downloading finishes, it shows a message ‘DOWNLOADED!’ popup on the window below the download button.
 
 </br>
 
@@ -83,4 +83,4 @@ After running this script, you will be able to see this:
 
 </br>
 
-![YTVD](https://user-images.githubusercontent.com/73488906/111301619-6eeaa100-8678-11eb-9ef2-5ce1b02571cf.png)
+![YTVD](screenshot.png)

YouTube-Video-Downloader/screenshot.png

@@ -1,32 +1,60 @@
 from tkinter import *
 from pytube import YouTube
+from pytube import Playlist
 
-root = Tk()
-root.geometry('700x300')
-root.resizable(0, 0)
-root.title("YouTube Video Downloader")
+# select wether to download video or playlist
+def mode_selector():
+    url = link.get()
+    if "watch?v=" in url:
+        video_downloader(url)
+    elif "playlist?list=" in url:
+        playlist_downloader(url)
+    else:
+        print("Invalid YouTube URL!")
+    Label(root, text='DOWNLOADED!', font='arial 15').place(x=280, y=230)
 
-Label(root, text='Copy the link of the video you want to download from YouTube',
-      font='arial 15 bold').pack()
+# function to download single video
+def video_downloader(url):
+    try:
+        yt = YouTube(url, use_oauth=True, allow_oauth_cache=True)
+        yt.streams.first().download()
+    except Exception as e:
+        Label(root, text=f'Video Error Downloading!.... Try Again #{e}', font='arial 15').place(x=100, y=210)
 
-# enter link
-link = StringVar()
+#function to download playlist
+def playlist_downloader(url):
+    try:
+        py = Playlist(url)
+        for video in py.videos:
+            video_downloader(video.watch_url)
+    except Exception as e:
+        Label(root, text=f'Playlist Error Downloading!.... Try Again #{e}', font='arial 15').place(x=100, y=210)
+        print(e)
 
-Label(root, text='Paste Link Here:', font='arial 15 bold').place(x=270, y=60)
-Entry(root, width=80, textvariable=link).place(x=32, y=90)
+if __name__ == "__main__":
+    root = Tk()
+    root.geometry('800x600')
+    root.resizable(0, 0)
+    root.title("YouTube Video Downloader")
+
+    Label(root, text='Copy the link of the VIDEO/PLAYLIST you want to download from YouTube',
+        font='arial 15 bold').pack()
+
+    # enter link
+    link = StringVar()
+
+
+    Label(root, text='Paste Link Here:', font='arial 15 bold').place(x=270, y=60)
+    Entry(root, width=80, textvariable=link).place(x=32, y=90)
+    Button(root, text='DOWNLOAD', font='arial 15 bold', bg='white',
+        padx=2, command=mode_selector).place(x=280, y=150)
+
+
+    root.mainloop()
 
-# function to download video
 
 
-def Downloader():
 
-    url = YouTube(str(link.get()))
-    video = url.streams.first()
-    video.download()
-    Label(root, text='DOWNLOADED', font='arial 15').place(x=270, y=210)
 
 
-Button(root, text='DOWNLOAD', font='arial 15 bold', bg='white',
-       padx=2, command=Downloader).place(x=280, y=150)
 
-root.mainloop()