forked from ruangrupa/konfluks
merge christopher's changes pulling the timeline from pen.lumbung.space
This commit is contained in:
parent
41bc532ebc
commit
ff76378cdd
14
lumbunglib/templates/timeline.md
Normal file
14
lumbunglib/templates/timeline.md
Normal file
@ -0,0 +1,14 @@
|
||||
---
|
||||
title: "{{ frontmatter.title }}"
|
||||
date: "{{ frontmatter.date }}" #2021-06-10T10:46:33+02:00
|
||||
draft: false
|
||||
summary: "{{ frontmatter.summary }}"
|
||||
authors: {% if frontmatter.author %} ["{{ frontmatter.author }}"] {% endif %}
|
||||
original_link: "{{ frontmatter.original_link }}"
|
||||
feed_name: "{{ frontmatter.feed_name}}"
|
||||
categories: ["timeline", "{{ frontmatter.feed_name}}"]
|
||||
timelines: {{ frontmatter.timelines }}
|
||||
hidden: true
|
||||
---
|
||||
|
||||
{{ content }}
|
||||
381
lumbunglib/timeline.py
Normal file
381
lumbunglib/timeline.py
Normal file
@ -0,0 +1,381 @@
|
||||
import os
|
||||
import shutil
|
||||
import time
|
||||
from hashlib import md5
|
||||
from ast import literal_eval as make_tuple
|
||||
from pathlib import Path
|
||||
from urllib.parse import urlparse
|
||||
from re import sub
|
||||
|
||||
import arrow
|
||||
import feedparser
|
||||
import jinja2
|
||||
import requests
|
||||
from bs4 import BeautifulSoup
|
||||
from slugify import slugify
|
||||
from re import compile as re_compile
|
||||
yamlre = re_compile('"')
|
||||
|
||||
|
||||
def write_etag(feed_name, feed_data):
|
||||
"""
|
||||
save timestamp of when feed was last modified
|
||||
"""
|
||||
etag = ""
|
||||
modified = ""
|
||||
|
||||
if "etag" in feed_data:
|
||||
etag = feed_data.etag
|
||||
if "modified" in feed_data:
|
||||
modified = feed_data.modified
|
||||
|
||||
if etag or modified:
|
||||
with open(os.path.join("etags", feed_name + ".txt"), "w") as f:
|
||||
f.write(str((etag, modified)))
|
||||
|
||||
|
||||
def get_etag(feed_name):
|
||||
"""
|
||||
return timestamp of when feed was last modified
|
||||
"""
|
||||
fn = os.path.join("etags", feed_name + ".txt")
|
||||
etag = ""
|
||||
modified = ""
|
||||
|
||||
if os.path.exists(fn):
|
||||
etag, modified = make_tuple(open(fn, "r").read())
|
||||
|
||||
return etag, modified
|
||||
|
||||
|
||||
def create_frontmatter(entry):
|
||||
"""
|
||||
parse RSS metadata and return as frontmatter
|
||||
"""
|
||||
if 'published' in entry:
|
||||
published = entry.published_parsed
|
||||
if 'updated' in entry:
|
||||
published = entry.updated_parsed
|
||||
|
||||
published = arrow.get(published)
|
||||
|
||||
if 'author' in entry:
|
||||
author = entry.author
|
||||
else:
|
||||
author = ''
|
||||
|
||||
if 'authors' in entry:
|
||||
authors = []
|
||||
for a in entry.authors:
|
||||
authors.append(a['name'])
|
||||
|
||||
if 'summary' in entry:
|
||||
summary = entry.summary
|
||||
else:
|
||||
summary = ''
|
||||
|
||||
if 'publisher' in entry:
|
||||
publisher = entry.publisher
|
||||
else:
|
||||
publisher = ''
|
||||
|
||||
tags = []
|
||||
if 'tags' in entry:
|
||||
#TODO finish categories
|
||||
for t in entry.tags:
|
||||
tags.append(t['term'])
|
||||
|
||||
frontmatter = {
|
||||
'title':entry.title,
|
||||
'date': published.format(),
|
||||
'summary': '',
|
||||
'author': author,
|
||||
'original_link': entry.link,
|
||||
'feed_name': entry['feed_name'],
|
||||
'timelines': str(tags),
|
||||
}
|
||||
|
||||
return frontmatter
|
||||
|
||||
def sanitize_yaml (frontmatter):
|
||||
"""
|
||||
Escapes any occurences of double quotes
|
||||
in any of the frontmatter fields
|
||||
See: https://docs.octoprint.org/en/master/configuration/yaml.html#interesting-data-types
|
||||
"""
|
||||
for k, v in frontmatter.items():
|
||||
if type(v) == type([]):
|
||||
#some fields are lists
|
||||
l = []
|
||||
for i in v:
|
||||
i = yamlre.sub('\\"', i)
|
||||
l.append(i)
|
||||
frontmatter[k] = l
|
||||
|
||||
else:
|
||||
v = yamlre.sub('\\"', v)
|
||||
frontmatter[k] = v
|
||||
|
||||
return frontmatter
|
||||
|
||||
|
||||
def create_post(post_dir, entry):
|
||||
"""
|
||||
write hugo post based on RSS entry
|
||||
"""
|
||||
frontmatter = create_frontmatter(entry)
|
||||
|
||||
if not os.path.exists(post_dir):
|
||||
os.makedirs(post_dir)
|
||||
|
||||
if "content" in entry:
|
||||
post_content = entry.content[0].value
|
||||
else:
|
||||
post_content = entry.summary
|
||||
|
||||
parsed_content = parse_posts(post_dir, post_content)
|
||||
|
||||
template_dir = os.path.join(Path(__file__).parent.resolve(), "templates")
|
||||
env = jinja2.Environment(loader=jinja2.FileSystemLoader(template_dir))
|
||||
template = env.get_template("timeline.md")
|
||||
with open(os.path.join(post_dir, "index.html"), "w") as f: # n.b. .html
|
||||
post = template.render(frontmatter=sanitize_yaml(frontmatter), content=parsed_content)
|
||||
f.write(post)
|
||||
print("created post for", entry.title, "({})".format(entry.link))
|
||||
|
||||
|
||||
def grab_media(post_directory, url, prefered_name=None):
|
||||
"""
|
||||
download media linked in post to have local copy
|
||||
if download succeeds return new local path otherwise return url
|
||||
"""
|
||||
media_item = urlparse(url).path.split('/')[-1]
|
||||
|
||||
if prefered_name:
|
||||
media_item = prefered_name
|
||||
|
||||
try:
|
||||
if not os.path.exists(os.path.join(post_directory, media_item)):
|
||||
#TODO: stream is true is a conditional so we could check the headers for things, mimetype etc
|
||||
response = requests.get(url, stream=True)
|
||||
if response.ok:
|
||||
with open(os.path.join(post_directory, media_item), 'wb') as media_file:
|
||||
shutil.copyfileobj(response.raw, media_file)
|
||||
print('Downloaded media item', media_item)
|
||||
return media_item
|
||||
return media_item
|
||||
elif os.path.exists(os.path.join(post_directory, media_item)):
|
||||
return media_item
|
||||
|
||||
except Exception as e:
|
||||
print('Failed to download image', url)
|
||||
print(e)
|
||||
return url
|
||||
|
||||
|
||||
def parse_posts(post_dir, post_content):
|
||||
"""
|
||||
parse the post content to for media items
|
||||
replace foreign image with local copy
|
||||
filter out iframe sources not in allowlist
|
||||
"""
|
||||
soup = BeautifulSoup(post_content, "html.parser")
|
||||
allowed_iframe_sources = ["youtube.com", "vimeo.com", "tv.lumbung.space"]
|
||||
|
||||
for img in soup(["img", "object"]):
|
||||
if img.get("src") != None:
|
||||
local_image = grab_media(post_dir, img["src"])
|
||||
if img["src"] != local_image:
|
||||
img["src"] = local_image
|
||||
|
||||
for iframe in soup(["iframe"]):
|
||||
if not any(source in iframe["src"] for source in allowed_iframe_sources):
|
||||
print("filtered iframe: {}...".format(iframe["src"][:25]))
|
||||
iframe.decompose()
|
||||
return soup.decode()
|
||||
|
||||
|
||||
def grab_feed(feed_url):
|
||||
"""
|
||||
check whether feed has been updated
|
||||
download & return it if it has
|
||||
"""
|
||||
feed_name = urlparse(feed_url).netloc
|
||||
|
||||
etag, modified = get_etag(feed_name)
|
||||
|
||||
try:
|
||||
if modified:
|
||||
data = feedparser.parse(feed_url, modified=modified)
|
||||
elif etag:
|
||||
data = feedparser.parse(feed_url, etag=etag)
|
||||
else:
|
||||
data = feedparser.parse(feed_url)
|
||||
except Exception as e:
|
||||
print("Error grabbing feed")
|
||||
print(feed_name)
|
||||
print(e)
|
||||
return False
|
||||
|
||||
print(data.status, feed_url)
|
||||
if data.status == 200:
|
||||
# 304 means the feed has not been modified since we last checked
|
||||
write_etag(feed_name, data)
|
||||
return data
|
||||
return False
|
||||
|
||||
def create_opds_post(post_dir, entry):
|
||||
"""
|
||||
create a HUGO post based on OPDS entry
|
||||
or update it if the timestamp is newer
|
||||
Downloads the cover & file
|
||||
"""
|
||||
|
||||
frontmatter = create_frontmatter(entry)
|
||||
|
||||
template_dir = os.path.join(Path(__file__).parent.resolve(), "templates")
|
||||
env = jinja2.Environment(loader=jinja2.FileSystemLoader(template_dir))
|
||||
template = env.get_template("feed.md")
|
||||
|
||||
if not os.path.exists(post_dir):
|
||||
os.makedirs(post_dir)
|
||||
|
||||
if os.path.exists(os.path.join(post_dir, '.timestamp')):
|
||||
old_timestamp = open(os.path.join(post_dir, '.timestamp')).read()
|
||||
old_timestamp = arrow.get(float(old_timestamp))
|
||||
current_timestamp = arrow.get(entry['updated_parsed'])
|
||||
|
||||
if current_timestamp > old_timestamp:
|
||||
pass
|
||||
else:
|
||||
print('Book "{}..." already up to date'.format(entry['title'][:32]))
|
||||
return
|
||||
|
||||
for item in entry.links:
|
||||
ft = item['type'].split('/')[-1]
|
||||
fn = item['rel'].split('/')[-1]
|
||||
|
||||
if fn == "acquisition":
|
||||
fn = "publication" #calling the publications acquisition is weird
|
||||
|
||||
prefered_name = "{}-{}.{}".format(fn, slugify(entry['title']), ft)
|
||||
|
||||
grab_media(post_dir, item['href'], prefered_name)
|
||||
|
||||
if "summary" in entry:
|
||||
summary = entry.summary
|
||||
else:
|
||||
summary = ""
|
||||
|
||||
with open(os.path.join(post_dir,'index.md'),'w') as f:
|
||||
post = template.render(frontmatter=sanitize_yaml(frontmatter), content=summary)
|
||||
f.write(post)
|
||||
print('created post for Book', entry.title)
|
||||
|
||||
with open(os.path.join(post_dir, '.timestamp'), 'w') as f:
|
||||
timestamp = arrow.get(entry['updated_parsed'])
|
||||
f.write(timestamp.format('X'))
|
||||
|
||||
|
||||
def main():
|
||||
feed_urls = open("feeds_list_timeline.txt", "r").read().splitlines()
|
||||
|
||||
start = time.time()
|
||||
|
||||
if not os.path.exists("etags"):
|
||||
os.mkdir("etags")
|
||||
|
||||
output_dir = os.environ.get("OUTPUT_DIR")
|
||||
|
||||
if not os.path.exists(output_dir):
|
||||
os.makedirs(output_dir)
|
||||
|
||||
feed_dict = dict()
|
||||
for url in feed_urls:
|
||||
feed_name = urlparse(url).netloc
|
||||
feed_dict[url] = feed_name
|
||||
|
||||
feed_names = feed_dict.values()
|
||||
content_dirs = os.listdir(output_dir)
|
||||
for i in content_dirs:
|
||||
if i not in feed_names:
|
||||
shutil.rmtree(os.path.join(output_dir, i))
|
||||
print("%s not in feeds_list.txt, removing local data" %(i))
|
||||
|
||||
# add iframe to the allowlist of feedparser's sanitizer,
|
||||
# this is now handled in parse_post()
|
||||
feedparser.sanitizer._HTMLSanitizer.acceptable_elements |= {"iframe"}
|
||||
|
||||
for feed_url in feed_urls:
|
||||
|
||||
feed_name = feed_dict[feed_url]
|
||||
|
||||
feed_dir = os.path.join(output_dir, feed_name)
|
||||
|
||||
if not os.path.exists(feed_dir):
|
||||
os.makedirs(feed_dir)
|
||||
|
||||
existing_posts = os.listdir(feed_dir)
|
||||
|
||||
data = grab_feed(feed_url)
|
||||
|
||||
if data:
|
||||
|
||||
opds_feed = False
|
||||
for i in data.feed['links']:
|
||||
if i['rel'] == 'self':
|
||||
if 'opds' in i['type']:
|
||||
opds_feed = True
|
||||
print("OPDS type feed!")
|
||||
|
||||
|
||||
for entry in data.entries:
|
||||
# if 'tags' in entry:
|
||||
# for tag in entry.tags:
|
||||
# for x in ['lumbung.space', 'D15', 'lumbung']:
|
||||
# if x in tag['term']:
|
||||
# print(entry.title)
|
||||
entry["feed_name"] = feed_name
|
||||
|
||||
post_name = slugify(entry.title)
|
||||
|
||||
# pixelfed returns the whole post text as the post name. max
|
||||
# filename length is 255 on many systems. here we're shortening
|
||||
# the name and adding a hash to it to avoid a conflict in a
|
||||
# situation where 2 posts start with exactly the same text.
|
||||
if len(post_name) > 150:
|
||||
post_hash = md5(bytes(post_name, "utf-8"))
|
||||
post_name = post_name[:150] + "-" + post_hash.hexdigest()
|
||||
|
||||
if opds_feed:
|
||||
entry['opds'] = True
|
||||
#format: Beyond-Debiasing-Report_Online-75535a4886e3
|
||||
post_name = slugify(entry['title'])+'-'+entry['id'].split('-')[-1]
|
||||
|
||||
post_dir = os.path.join(output_dir, feed_name, post_name)
|
||||
|
||||
if post_name not in existing_posts:
|
||||
# if there is a blog entry we dont already have, make it
|
||||
if opds_feed:
|
||||
create_opds_post(post_dir, entry)
|
||||
else:
|
||||
create_post(post_dir, entry)
|
||||
|
||||
elif post_name in existing_posts:
|
||||
# if we already have it, update it
|
||||
if opds_feed:
|
||||
create_opds_post(post_dir, entry)
|
||||
else:
|
||||
create_post(post_dir, entry)
|
||||
existing_posts.remove(
|
||||
post_name
|
||||
) # create list of posts which have not been returned by the feed
|
||||
|
||||
for post in existing_posts:
|
||||
# remove blog posts no longer returned by the RSS feed
|
||||
print("deleted", post)
|
||||
shutil.rmtree(os.path.join(feed_dir, slugify(post)))
|
||||
|
||||
end = time.time()
|
||||
|
||||
print(end - start)
|
||||
@ -28,4 +28,5 @@ build-backend = "poetry.core.masonry.api"
|
||||
lumbunglib-cal = "lumbunglib.cloudcal:main"
|
||||
lumbunglib-vid = "lumbunglib.video:main"
|
||||
lumbunglib-feed = "lumbunglib.feed:main"
|
||||
lumbunglib-timeline = "lumbunglib.timeline:main"
|
||||
lumbunglib-hash = "lumbunglib.hashtag:main"
|
||||
|
||||
1
setup.py
1
setup.py
@ -22,6 +22,7 @@ install_requires = \
|
||||
entry_points = \
|
||||
{'console_scripts': ['lumbunglib-cal = lumbunglib.cloudcal:main',
|
||||
'lumbunglib-feed = lumbunglib.feed:main',
|
||||
'lumbunglib-timeline = lumbunglib.timeline:main',
|
||||
'lumbunglib-hash = lumbunglib.hashtag:main',
|
||||
'lumbunglib-vid = lumbunglib.video:main']}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user