Instagram Video Downloader (#94)

* Instagram Video Downloader

downloads all the videos from instagram post

* Update README.md

Co-authored-by: Ayush Bhardwaj <classicayush@gmail.com>

README.md

@@ -71,6 +71,7 @@ So far, the following projects have been integrated to this repo:
 |[Find PhoneNumber in String](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/Find-PhoneNumber-in-String)|[Austin Zuniga](https://github.com/AustinZuniga)|
 |[IMDB TV Series Info Extractor](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/imdb_episode_ratings)|[Yash Raj Sarrof](https://github.com/yashYRS) |
 |[Yoda-speak Translator](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/speak_like_yoda)|[sonniki](https://github.com/sonniki) |
+|[Instagram Video Downloader](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/insta_video_downloader)|[Shobhit Bhosure](https://github.com/shobhit99) |
 |[Medium Article Downloader](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/medium_article_downloader)|[coolsonu39](https://github.com/coolsonu39)|
 |[Face Recognition](https://github.com/hastagAB/Awesome-Python-Scripts/tree/master/image_recognition)|[LOKESH KHURANA](https://github.com/theluvvkhurana)|
 |[File Encrypt Decrypt](file-encrypt-decrypt)|[Aditya Arakeri](https://github.com/adityaarakeri)|

insta_video_downloader/README.md

@@ -0,0 +1,12 @@
+# Instagram Video Downloader
+### Downlaods all the videos from instagram post. User needs to provide instagram post id as parameter
+>> Example 
+
+```
+python instavideo.py B3NUFfmgRYW
+```
+>> Example output file
+
+```
+B3NUFfmgRYW_0.mp4
+```

insta_video_downloader/instavideo.py

@@ -0,0 +1,38 @@
+import urllib.request
+import requests
+import json
+import re
+import sys
+
+def download(post_id):
+    multiple_posts = False
+    videos = []
+    data = requests.get("https://instagram.com/p/{}".format(post_id))
+    if data.status_code == 404:
+        print("Specified post not found")
+        sys.exit()
+    json_data = json.loads(re.findall(r'window._sharedData\s=\s(\{.*\});</script>', data.text)[0])
+    data = json_data['entry_data']['PostPage'][0]['graphql']['shortcode_media']
+    if 'edge_sidecar_to_children' in data.keys():
+        multiple_posts = True
+    caption = data['edge_media_to_caption']['edges'][0]['node']['text']
+    media_url = data['display_resources'][2]['src']
+    is_video = data['is_video']
+    if not is_video and not multiple_posts:
+        print("No Videos found")
+        sys.exit()
+    if is_video:
+        videos.append(data['video_url'])
+    if multiple_posts:
+        for post in data['edge_sidecar_to_children']['edges']:
+            if post['node']['is_video']:
+                videos.append(post['node']['video_url'])
+    print("Found total {} videos".format(len(videos)))
+    for no, video in zip(list(range(len(videos))), videos):
+        print("Downloading video {}".format(no))
+        urllib.request.urlretrieve(video, "{}_{}.mp4".format(post_id, no))
+
+if len(sys.argv) == 1:
+    print("Please provide instagram post id")
+else:
+    download(sys.argv[1])

insta_video_downloader/requirements.txt

@@ -0,0 +1 @@
+requests