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57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
import asyncio
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from typing import List, Dict, Callable, Any, Awaitable
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class WishPaginator:
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"""
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A paginator for fetching and processing wish data.
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Attributes:
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end_id (int): The ID of the item to stop fetching at.
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fetch_data (Callable[..., Awaitable[Dict[str, Any]]]): An asynchronous function to fetch the raw data.
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"""
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def __init__(
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self,
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end_id: int,
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fetch_data: Callable[..., Awaitable[Dict[str, Any]]],
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):
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self.end_id = end_id
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self.fetch_data = fetch_data
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async def get(self, limit: int) -> List[Dict]:
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"""
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Fetches and returns the items up to the specified limit.
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Args:
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limit (int): The maximum number of items to return.
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Returns:
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List[Dict]: The list of fetched items.
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"""
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all_items = []
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current_end_id = 0
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while True:
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raw_data = await self.fetch_data(end_id=current_end_id)
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items = raw_data["list"]
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if not items:
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break
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current_end_id = items[-1]["id"]
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filtered_items = [item for item in items if item["id"] != self.end_id]
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if len(filtered_items) < len(items):
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all_items.extend(filtered_items)
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break
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all_items.extend(filtered_items)
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if limit and len(all_items) >= limit:
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break
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await asyncio.sleep(0.5)
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# Return up to the specified limit.
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return all_items[: min(len(all_items), limit)] if limit else all_items
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