konfluks/lumbunglib/video.py

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#!/bin/python3
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# lumbung.space video feed generator
# c 2021 roel roscam abbing gpvl3 etc
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import ast
import datetime
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import json
import os
import shutil
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from pathlib import Path
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import arrow
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import jinja2
import peertube
import requests
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# jinja filters & config
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def duration(n):
"""
convert '6655' in '1:50:55'
"""
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return str(datetime.timedelta(seconds=n))
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def linebreaks(text):
if not text:
return text
else:
import re
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br = re.compile(r"(\r\n|\r|\n)")
return br.sub(r"<br />\n", text)
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env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.curdir))
env.filters["duration"] = duration
env.filters["linebreaks"] = linebreaks
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host = "https://tv.lumbung.space"
configuration = peertube.Configuration(host=host + "/api/v1")
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client = peertube.ApiClient(configuration)
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v = peertube.VideoApi(client)
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response = v.videos_get(count=100, filter="local", tags_one_of="publish")
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videos = response.to_dict()
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videos = videos["data"]
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def create_post(post_directory, video_metadata):
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global client # lazy
if not os.path.exists(post_dir):
os.mkdir(post_directory)
preview_image = video_metadata["preview_path"].split("/")[-1]
if not os.path.exists(os.path.join(post_directory, preview_image)):
# download preview image
response = requests.get(host + video_metadata["preview_path"], stream=True)
with open(os.path.join(post_directory, preview_image), "wb") as img_file:
shutil.copyfileobj(response.raw, img_file)
print("Downloaded cover image")
# replace the truncated description with the full video description
# peertube api is some broken thing in between a py dict and a json file
api_response = peertube.VideoApi(client).videos_id_description_get(
video_metadata["uuid"]
)
long_description = ast.literal_eval(api_response)
video_metadata["description"] = long_description["description"]
with open(os.path.join(post_directory, "index.md"), "w") as f:
post = template.render(v=video_metadata, host=host, preview_image=preview_image)
f.write(post)
with open(os.path.join(post_directory, ".timestamp"), "w") as f:
timestamp = arrow.get(video_metadata["updated_at"])
f.write(timestamp.format("X"))
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def update_post(post_directory, video_metadata):
if os.path.exists(post_directory):
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if os.path.exists(os.path.join(post_directory, ".timestamp")):
old_timestamp = open(os.path.join(post_directory, ".timestamp")).read()
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# FIXME: this is ugly but I need to do this because arrow removes miliseconds
current_timestamp = arrow.get(video_metadata["updated_at"])
current_timestamp = arrow.get(current_timestamp.format("X"))
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if current_timestamp > arrow.get(old_timestamp):
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print(
"Updating",
video_metadata["name"],
"({})".format(video_metadata["uuid"]),
)
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create_post(post_dir, video_metadata)
else:
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print(
"Video current: ",
video_metadata["name"],
"({})".format(video_metadata["uuid"]),
)
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else:
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# compat for when there is no timestamp yet..
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create_post(post_dir, video_metadata)
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output_dir = os.environ.get(
"OUTPUT_DIR", "/home/r/Programming/lumbung.space/lumbung.space-web/content/video"
)
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if not os.path.exists(output_dir):
os.mkdir(output_dir)
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cwd = Path.resolve()
template = env.get_template(os.path.join(cwd, "templates" "video.md"))
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existing_posts = os.listdir(output_dir)
for video_metadata in videos:
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post_dir = os.path.join(output_dir, video_metadata["uuid"])
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if (
video_metadata["uuid"] not in existing_posts
): # if there is a video we dont already have, make it
print("New: ", video_metadata["name"], "({})".format(video_metadata["uuid"]))
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create_post(post_dir, video_metadata)
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elif (
video_metadata["uuid"] in existing_posts
): # if we already have the video do nothing, possibly update
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update_post(post_dir, video_metadata)
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existing_posts.remove(
video_metadata["uuid"]
) # create list of posts which have not been returned by peertube
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for post in existing_posts:
print("deleted", post) # rm posts not returned
shutil.rmtree(os.path.join(output_dir, post))