126 lines
4.1 KiB
Python
126 lines
4.1 KiB
Python
'''
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Do not execute this file directly.
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Use ycdl_launch.py to start the server with gevent.
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'''
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import flask; from flask import request
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import mimetypes
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import os
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import threading
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import time
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from voussoirkit import pathclass
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import bot
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import ycdl
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from . import jinja_filters
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root_dir = pathclass.Path(__file__).parent.parent
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TEMPLATE_DIR = root_dir.with_child('templates')
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STATIC_DIR = root_dir.with_child('static')
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FAVICON_PATH = STATIC_DIR.with_child('favicon.png')
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youtube_core = ycdl.ytapi.Youtube(bot.get_youtube_key())
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ycdldb = ycdl.ycdldb.YCDLDB(youtube_core)
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site = flask.Flask(
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__name__,
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template_folder=TEMPLATE_DIR.absolute_path,
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static_folder=STATIC_DIR.absolute_path,
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)
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site.config.update(
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SEND_FILE_MAX_AGE_DEFAULT=180,
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TEMPLATES_AUTO_RELOAD=True,
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)
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site.jinja_env.add_extension('jinja2.ext.do')
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site.jinja_env.filters['seconds_to_hms'] = jinja_filters.seconds_to_hms
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site.debug = True
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####################################################################################################
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####################################################################################################
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####################################################################################################
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####################################################################################################
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def send_file(filepath):
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'''
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Range-enabled file sending.
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'''
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try:
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file_size = os.path.getsize(filepath)
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except FileNotFoundError:
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flask.abort(404)
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outgoing_headers = {}
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mimetype = mimetypes.guess_type(filepath)[0]
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if mimetype is not None:
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if 'text/' in mimetype:
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mimetype += '; charset=utf-8'
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outgoing_headers['Content-Type'] = mimetype
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if 'range' in request.headers:
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desired_range = request.headers['range'].lower()
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desired_range = desired_range.split('bytes=')[-1]
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int_helper = lambda x: int(x) if x.isdigit() else None
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if '-' in desired_range:
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(desired_min, desired_max) = desired_range.split('-')
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range_min = int_helper(desired_min)
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range_max = int_helper(desired_max)
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else:
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range_min = int_helper(desired_range)
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if range_min is None:
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range_min = 0
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if range_max is None:
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range_max = file_size
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# because ranges are 0-indexed
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range_max = min(range_max, file_size - 1)
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range_min = max(range_min, 0)
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range_header = 'bytes {min}-{max}/{outof}'.format(
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min=range_min,
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max=range_max,
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outof=file_size,
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)
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outgoing_headers['Content-Range'] = range_header
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status = 206
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else:
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range_max = file_size - 1
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range_min = 0
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status = 200
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outgoing_headers['Accept-Ranges'] = 'bytes'
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outgoing_headers['Content-Length'] = (range_max - range_min) + 1
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if request.method == 'HEAD':
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outgoing_data = bytes()
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else:
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outgoing_data = ycdl.helpers.read_filebytes(filepath, range_min=range_min, range_max=range_max)
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response = flask.Response(
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outgoing_data,
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status=status,
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headers=outgoing_headers,
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)
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return response
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####################################################################################################
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####################################################################################################
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####################################################################################################
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####################################################################################################
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def refresher_thread(rate):
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while True:
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time.sleep(rate)
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print('Starting refresh job.')
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thread_kwargs = {'force': False, 'skip_failures': True}
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refresh_job = threading.Thread(target=ycdldb.refresh_all_channels, kwargs=thread_kwargs, daemon=True)
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refresh_job.start()
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def start_refresher_thread(rate):
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print(f'Starting refresher thread, once per {rate} seconds.')
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refresher = threading.Thread(target=refresher_thread, args=[rate], daemon=True)
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refresher.start()
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