138 lines
4.4 KiB
Python
138 lines
4.4 KiB
Python
import os
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import shutil
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from pathlib import Path
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import jinja2
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import requests
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from mastodon import Mastodon
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instance = "https://social.lumbung.space"
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email = ""
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password = ""
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hashtags = ["jalansesama"]
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def login_mastodon_bot():
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mastodon = Mastodon(
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access_token=os.environ.get("MASTODON_AUTH_TOKEN"),
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api_base_url = instance
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)
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return mastodon
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def create_frontmatter(post_metadata):
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"""
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Parse post metadata and return it as HUGO frontmatter
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"""
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frontmatter = ""
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return frontmatter
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def download_media(post_directory, media_attachments):
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"""
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Download media attached to posts. N.b. currently only images
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See: https://mastodonpy.readthedocs.io/en/stable/#media-dicts
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"""
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for item in media_attachments:
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if item["type"] == "image":
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image = localize_media_url(item["url"])
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# TODO check whether this needs to handle delete & redraft with different images
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if not os.path.exists(os.path.join(post_directory, image)):
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# download image
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response = requests.get(item["url"], stream=True)
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with open(os.path.join(post_directory, image), "wb") as img_file:
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shutil.copyfileobj(response.raw, img_file)
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print("Downloaded cover image", image)
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def create_post(post_directory, post_metadata):
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"""
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Create Hugo posts based on Toots/posts retuned in timeline.
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See: https://mastodonpy.readthedocs.io/en/stable/#toot-dicts
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"""
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if not os.path.exists(post_directory):
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os.mkdir(post_directory)
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template_dir = os.path.join(Path(__file__).parent.resolve(), "templates")
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env = jinja2.Environment(loader=jinja2.FileSystemLoader(template_dir))
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env.filters["localize_media_url"] = localize_media_url
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env.filters["filter_mastodon_urls"] = filter_mastodon_urls
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template = env.get_template("hashtag.md")
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with open(os.path.join(post_directory, "index.html"), "w") as f:
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post = template.render(post_metadata=post_metadata)
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f.write(post)
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download_media(post_directory, post_metadata["media_attachments"])
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def localize_media_url(url):
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"""
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Returns the filename, used also as custom jinja filter
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"""
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return url.split("/")[-1]
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def filter_mastodon_urls(content):
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"""
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Filters out Mastodon generated URLS for tags
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e.g. <a href="https://social.lumbung.space/tags/jalankita" class="mention hashtag" rel="tag">
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Used also as custom jinja filter
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"""
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# TODO
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return content
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def main():
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mastodon = login_mastodon_bot()
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output_dir = os.environ.get("OUTPUT_DIR")
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if not os.path.exists(output_dir):
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os.mkdir(output_dir)
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for hashtag in hashtags:
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hashtag_dir = os.path.join(output_dir, hashtag)
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if not os.path.exists(hashtag_dir):
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os.mkdir(hashtag_dir)
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existing_posts = os.listdir(hashtag_dir) # list all existing posts
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timeline = mastodon.timeline_hashtag(
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hashtag, local=True, only_media=True
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) # returns max 20 queries and only with media
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timeline = mastodon.fetch_remaining(
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timeline
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) # returns all the rest n.b. can take a while because of rate limit
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for post_metadata in timeline:
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post_dir = os.path.join(hashtag_dir, str(post_metadata["id"]))
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# if there is a post in the feed we dont already have locally, make it
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if str(post_metadata["id"]) not in existing_posts:
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if not post_metadata[
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"local_only"
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]: # if you get an error here then you are using vanilla Mastodon, this is a Hometown or Glitch only feature
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create_post(post_dir, post_metadata)
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else:
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print("not pulling post %s (post is local only)" % (post_metadata["id"]))
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# if we already have the post do nothing, possibly update
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elif str(post_metadata["id"]) in existing_posts:
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# update_post(post_dir, post_metadata)
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existing_posts.remove(
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str(post_metadata["id"])
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) # create list of posts which have not been returned in the feed
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for post in existing_posts:
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print(
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"deleted", post
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) # rm posts that exist but are no longer returned in feed
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shutil.rmtree(os.path.join(hashtag_dir, post))
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