Added Python script to download instagram videos

scripts/instagram-downloader/README.md

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+# JSON to Excel converter
+
+This is a simple Python script to download instagram videos.
+
+## Usage
+
+```bash
+# install xlwt
+pip install requests
+
+# run script
+python main.py <POST_ID>
+```

scripts/instagram-downloader/main.py

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+import urllib.request
+import requests
+import json
+import re
+import sys
+
+
+def downloadVideo(postId):
+    is_multiple_post = False
+    videos = []
+    url = requests.get("https://instagram.com/p/" + str(postId))
+    if url.status_code == 404:
+        print("Specified post not found")
+        sys.exit()
+    json_data = json.loads(re.findall(r"window._sharedData\s=\s(\{.*\});</script>", url.text)[0])
+    data = json_data["entry_data"]["PostPage"][0]["graphql"]["shortcode_media"]
+    if "edge_sidecar_to_children" in data.keys():
+        is_multiple_post = True
+    isVideo = data["is_video"]
+    if not isVideo and not is_multiple_post:
+        print("Video not found!")
+        sys.exit()
+    if isVideo:
+        videos.append(data["video_url"])
+    if is_multiple_post:
+        for post in data["edge_sidecar_to_children"]["edges"]:
+            if post["node"]["is_video"]:
+                videos.append(post["node"]["video_url"])
+    print("Found " + str(len(videos)) + " videos")
+    for number, video in zip(list(range(len(videos))), videos):
+        print("Downloading video " + str(number + 1))
+        urllib.request.urlretrieve(video, (postId + "_" + str(number + 1) + ".mp4"))
+
+
+if len(sys.argv) == 1:
+    print("Please enter the video ID")
+else:
+    downloadVideo(sys.argv[1])