added facebook_video_downloader

Sukriti-sood · Sukriti-sood · commit a6f97e537411 · 2021-05-29T08:10:08.000+05:30
diff --git a/Facebook_Video_Downloader/Readme.md b/Facebook_Video_Downloader/Readme.md
@@ -0,0 +1,23 @@
+# Facebook Video Downloader
+
+A GUI downloader used to download Facebook video by providing URL of the Post
+
+## Installation
+
+> pip3 install -r requirements.txt
+
+## Usage
+- Run command python3 script.py
+- A GUI Will Appear
+- Provide the URL of the Video in the field and click `Download`.
+
+## Output
+
+Downloaded video you desired in the same directory of the script.
+
+## Authors
+
+Written by [Sukriti-sood](https://www.github.com/Sukriti-sood).
+
+
+
diff --git a/Facebook_Video_Downloader/requirements.txt b/Facebook_Video_Downloader/requirements.txt
@@ -0,0 +1 @@
+requests==2.25.1
diff --git a/Facebook_Video_Downloader/script.py b/Facebook_Video_Downloader/script.py
@@ -0,0 +1,107 @@
+# ALL Imports
+
+import tkinter as tk
+from requests import get, HTTPError, ConnectionError
+from re import findall
+from urllib.parse import unquote
+
+
+def Invalid_Url():
+    """ Sets Status bar label to error message """
+    Status["text"] = "Invalid URL..."
+    Status["fg"] = "red"
+
+def get_downloadlink(url):
+
+    url = url.replace("www", "mbasic")
+    try:
+        r = get(url, timeout=5, allow_redirects=True)
+        if r.status_code != 200:
+            raise HTTPError
+        a = findall("/video_redirect/", r.text)
+        if len(a) == 0:
+            print("[!] Video Not Found...")
+            exit(0)
+        else:
+            return unquote(r.text.split("?src=")[1].split('"')[0])
+    except (HTTPError, ConnectionError):
+        print("[x] Invalid URL")
+        exit(1)
+
+
+
+def Download_vid():
+
+    # Validates Link and download Video
+    Download_Window.delete("0.0", "end")
+    global Url_Val
+    url=Url_Val.get()
+
+    Status["text"]="Downloading"
+    Status["fg"]="green"
+
+
+    # Validating Input
+
+    if not "www.facebook.com" in url:
+        Invalid_Url()
+        return
+
+    link=get_downloadlink(url)
+
+    download(link)
+
+    Status["text"] = "Finished!!"
+    Status["fg"] = "green"
+
+def download(url):
+    block_size = 1024  # 1kB
+    r = get(url, stream=True)
+    total_size = int(r.headers.get("content-length"))
+
+    with open('video.mp4', 'wb') as file:
+        totaldata=0;
+        for data in r.iter_content(block_size):
+            totaldata+=len(data)
+            per_downloaded=totaldata*100/total_size
+            Download_Window.delete("1.0","end")
+            Download_Window.insert(tk.END,f"Dowloaded.... {per_downloaded}%")
+            file.write(data)
+        file.close()    
+        print("Download Finished")
+
+    print("Download Complete !!!")
+
+    pass
+
+
+# GUI
+
+ld_window=tk.Tk()
+ld_window.title("Facebook Video Downloader")
+ld_window.geometry("400x400")
+
+# Label for URL Input
+input_label= tk.Label(ld_window,text="Enter Facebook Video URL:")
+input_label.pack()
+
+# Input of URL
+Url_Val = tk.StringVar()
+Url_Input = tk.Entry(ld_window, textvariable=Url_Val, font=("Calibri", 9))
+Url_Input.place( x=25,y=50, width=350)
+
+# Button for Download
+Download_button = tk.Button(ld_window, text="Download", font=("Calibri", 9), command=Download_vid)
+Download_button.place(x=100, y=100, width=200)
+
+# Download Window
+
+Download_Window = tk.Text(ld_window, font=("Calibri", 9), bg="black", fg="white", bd=1, relief=tk.SUNKEN, wrap=tk.WORD)
+Download_Window.insert(tk.END, "Welcome to Facebook Video Downloader, Provide a Facebook video link in the above box and click download to start the process. :D")
+Download_Window.place(x=25, y=200, width=350, height=250)
+
+# Text for Status of Downloading
+Status = tk.Label(ld_window, text="Hello!! :D", fg="blue", font=("Calibri", 9), bd=1, relief=tk.SUNKEN, anchor=tk.W, padx=3)
+Status.pack(side=tk.BOTTOM, fill=tk.X)
+
+ld_window.mainloop()
