Download Posts in a Specific Period
To only download Instagram pictures (and metadata) that are within a specific
period, you can simply use :func:`~itertools.dropwhile` and
:func:`~itertools.takewhile` from :mod:`itertools` on a generator that returns
Posts in exact chronological order, such as :meth:`Profile.get_posts`.
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.. literalinclude:: codesnippets/121_since_until.py
See also :class:`Post`, :meth:`Instaloader.download_post`.
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Discussed in :issue:`121`.
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The code example with :func:`~itertools.dropwhile` and
:func:`~itertools.takewhile` makes the assumption that the post iterator returns
posts in exact chronological order. As discussed in :issue:`666`, the following
approach fits for an almost chronological order, where up to k older posts
are inserted into an otherwise chronological order, such as an Hashtag feed.
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.. literalinclude:: codesnippets/666_historical_hashtag_data.py
Likes of a Profile / Ghost Followers
To obtain a list of your inactive followers, i.e. followers that did not like
any of your pictures, into a file you can use this approach.
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.. literalinclude:: codesnippets/120_ghost_followers.py
See also :meth:`Profile.get_posts`, :meth:`Post.get_likes`,
:meth:`Profile.get_followers`, :meth:`Instaloader.load_session_from_file`,
:meth:`Profile.from_username`.
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Discussed in :issue:`120`.
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Track Deleted Posts
This script uses Instaloader to obtain a list of currently-online Instagram and
compares it with the set of posts that you already have downloaded. It outputs
a list of posts which are online but not offline (i.e. not yet downloaded) and a
list of posts which are offline but not online (i.e. deleted in the profile).
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.. literalinclude:: codesnippets/56_track_deleted.py
See also :func:`load_structure_from_file`, :meth:`Profile.from_username`,
:meth:`Profile.get_posts`, :class:`Post`.
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Discussed in :issue:`56`.
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Only one Post per User
To download only the one most recent post from each user, this snippet creates a
:class:`set` that contains the users of which a post has already been
downloaded. While iterating the posts, it checks whether the post's owner
already is in the set. If not, the post is downloaded from Instagram and the
user is added to that set.
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.. literalinclude:: codesnippets/113_only_one_per_user.py
See also :class:`Post`, :meth:`Instaloader.download_post`,
:attr:`Post.owner_profile`, :class:`Profile`.
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Discussed in :issue:`113`.
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Top X Posts of User
With Instaloader, it is easy to download the few most-liked pictres of a user.
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.. literalinclude:: codesnippets/194_top_x_of_user.py
Discussed in :issue:`194`.
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Add Captions to Images
Instaloader does not modify the downloaded JPEG file. However, one could combine
it with an imaging library such as Pillow or PIL to render the caption on
Instagram pictures. The following shows an approach.
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.. literalinclude:: codesnippets/110_pil_captions.py
See also :attr:`Post.caption`, :attr:`Post.url`, :meth:`Post.from_shortcode`,
:func:`load_structure_from_file`.
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Discussed in :issue:`110`.
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