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instaloader/docs/codesnippets/56_track_deleted.py

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from glob import glob
from sys import argv
from os import chdir
from instaloader import Instaloader, Post, Profile, load_structure_from_file
# Instaloader instantiation - you may pass additional arguments to the constructor here
L = Instaloader()
# If desired, load session previously saved with `instaloader -l USERNAME`:
#L.load_session_from_file(USERNAME)
try:
TARGET = argv[1]
except IndexError:
raise SystemExit("Pass profile name as argument!")
# Obtain set of posts that are on hard disk
chdir(TARGET)
offline_posts = set(filter(lambda s: isinstance(s, Post),
(load_structure_from_file(L.context, file)
for file in (glob('*.json.xz') + glob('*.json')))))
# Obtain set of posts that are currently online
post_iterator = Profile.from_username(L.context, TARGET).get_posts()
online_posts = set(post_iterator)
if online_posts - offline_posts:
print("Not yet downloaded posts:")
print(" ".join(str(p) for p in (online_posts - offline_posts)))
if offline_posts - online_posts:
print("Deleted posts:")
print(" ".join(str(p) for p in (offline_posts - online_posts)))