82 lines
3.6 KiB
Python
82 lines
3.6 KiB
Python
from __future__ import annotations
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from dataclasses import dataclass
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import http.client
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import json
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import time
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from typing import TYPE_CHECKING
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import urllib.error
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import urllib.request
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from .youtube_objects import ChannelResult, SearchResult
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if TYPE_CHECKING:
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import logging
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from .objects import HTTPHeaders
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class YoutubeManager:
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DEFAULT_DAILY_REQUESTS = 10_000
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SHORTS_CHECK_STATUS = 303
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@dataclass
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class RateLimit:
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remaining: int
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next_reset: float
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def __init__(self, api_key: str, logger: logging.Logger):
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self._api_key = api_key
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self._logger = logger
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self.rate_limit = self.RateLimit(remaining=self.DEFAULT_DAILY_REQUESTS, next_reset=time.time() + 24 * 3600)
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def _request(self, url: str, request_timeout: float, expected_status: int = 200) -> tuple[HTTPHeaders, dict]:
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if time.time() >= self.rate_limit.next_reset:
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self.rate_limit.next_reset = time.time() + 24 * 3600
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self.rate_limit.remaining = self.DEFAULT_DAILY_REQUESTS
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elif self.rate_limit.remaining <= 0:
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sleep_time = time.time() - self.rate_limit.next_reset
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self._logger.debug('No more remaining in Youtube RateLimit : sleeping for %.03fs', sleep_time)
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time.sleep(sleep_time)
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self.rate_limit.remaining -= 1
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request = urllib.request.Request(url)
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request.add_header('Accept', 'application/json')
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try:
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with urllib.request.urlopen(request, timeout=request_timeout) as response:
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if response.status != expected_status:
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raise RuntimeError(
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f'Unexpected YT status {response.status} (expected: {expected_status})'
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f' -> {response.read().decode()}')
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return dict(response.getheaders()), json.loads(response.read().decode())
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except urllib.error.HTTPError as error:
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raise RuntimeError(
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f'HTTP error calling API ({url}): {error}:\n'
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f'Headers:\n{error.headers}Body:\n{error.read()}') from error
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except urllib.error.URLError as error:
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raise RuntimeError(f'URL error calling YT API ({url}): {error}') from error
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except TimeoutError as error:
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raise RuntimeError(f'Timeout calling YT API ({url}): {error}') from error
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def is_shorts(self, video_id: str, request_timeout: float) -> bool:
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try:
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connection = http.client.HTTPSConnection('www.youtube.com', timeout=request_timeout)
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connection.request('GET', f'/shorts/{video_id}')
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response = connection.getresponse()
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return response.status != self.SHORTS_CHECK_STATUS
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except Exception as error:
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raise RuntimeError(f'Exception calling YouTube shorts ({video_id}): {error}') from error
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def request_channel_info(self, channel_id: str, request_timeout: float) -> tuple[
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HTTPHeaders, ChannelResult]:
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url = ('https://www.googleapis.com/youtube/v3/channels?part=snippet'
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f'&id={channel_id}&key={self._api_key}')
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headers, info = self._request(url=url, request_timeout=request_timeout)
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return headers, ChannelResult.from_dict(info)
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def request_channel_videos(self, channel_id: str, max_results: int, request_timeout: float) -> tuple[
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HTTPHeaders, SearchResult]:
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url = (f'https://www.googleapis.com/youtube/v3/search?part=snippet&channelId={channel_id}'
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f'&maxResults={max_results}&order=date&type=video&key={self._api_key}')
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headers, info = self._request(url=url, request_timeout=request_timeout)
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return headers, SearchResult.from_dict(info)
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