zwf
95 lines
4.0 KiB
Python
95 lines
4.0 KiB
Python
"""
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数据抓取模块。
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"""
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import asyncio
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from typing import Optional, Union
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from sqlalchemy import select, desc
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import dock
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from dock.govc import govc_scrape_dept_feedback, govc_scrape_return_visit, govc_scrape_finish_info, govc_scrape_order
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from models.govc_task import GovcTask
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from paste.core.logging import echo_log
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from paste.web import requests
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async def fetch_govc_task(fetch_size: int = 60, task_id: Optional[Union[str, int]] = None):
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"""
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抓取待办数据及其明细数据。
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:param fetch_size: 读取多少任务进行明细抓取
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:param task_id: 可选的指定的工单id
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"""
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echo_log(f"开始抓取待办数据...")
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task_request = await govc_scrape_order.get_task_request(
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fetch_size=fetch_size
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)
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request_queue = asyncio.Queue()
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await request_queue.put(task_request)
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await requests.async_concurrency(
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request_queue, retry=dock.MAX_RETRY_COUNT,
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after_request=govc_scrape_order.after_task_request
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)
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echo_log(f"待办数据抓取完成...")
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# 读取任务数据，以便能对最新数据抓取详细数据
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query = select(
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GovcTask.id, GovcTask.pvi_guid, GovcTask.c_guid
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).order_by(
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desc(GovcTask.id)
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)
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if task_id:
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if isinstance(task_id, list):
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query = query.where(GovcTask.id.in_(task_id))
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echo_log(f"开始抓取待办列表：{task_id} 的详细数据...")
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else:
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query = query.where(GovcTask.id == task_id)
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echo_log(f"开始抓取待办：{task_id} 的详细数据...")
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else:
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echo_log(f"开始抓取前 {fetch_size} 条待办的详细数据...")
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query = query.limit(fetch_size)
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task_df = await GovcTask.query_as_df(query)
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# 构建请求队列
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feedback_queue = asyncio.Queue()
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result_info_queue = asyncio.Queue()
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finish_info_queue = asyncio.Queue()
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# 向队列中填充请求对象
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echo_log(f"正在准备请求队列...")
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for _h, _row in task_df.iterrows():
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_feedback_request = await govc_scrape_dept_feedback.get_feedback_request(_row.get(GovcTask.pvi_guid.key),
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_row.get(GovcTask.c_guid.key))
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setattr(_feedback_request, 'task_id', _row.get(GovcTask.id.key))
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await feedback_queue.put(_feedback_request)
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_result_info_request = await govc_scrape_return_visit.get_return_visit_request(_row.get(GovcTask.pvi_guid.key),
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_row.get(GovcTask.c_guid.key))
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setattr(_result_info_request, 'task_id', _row.get(GovcTask.id.key))
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await result_info_queue.put(_result_info_request)
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_finish_info_request = await govc_scrape_finish_info.get_finish_info_request(_row.get(GovcTask.pvi_guid.key),
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_row.get(GovcTask.c_guid.key))
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setattr(_finish_info_request, 'task_id', _row.get(GovcTask.id.key))
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await finish_info_queue.put(_finish_info_request)
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echo_log(f"抓取待办详细数据...")
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tasks = [
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requests.async_concurrency(
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feedback_queue, con_count=dock.CONCURRENCY_COUNT, retry=dock.MAX_RETRY_COUNT,
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after_request=govc_scrape_dept_feedback.after_feedback_request
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),
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requests.async_concurrency(
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result_info_queue, con_count=dock.CONCURRENCY_COUNT, retry=dock.MAX_RETRY_COUNT,
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after_request=govc_scrape_result_info.after_result_info_request
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),
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requests.async_concurrency(
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finish_info_queue, con_count=dock.CONCURRENCY_COUNT, retry=dock.MAX_RETRY_COUNT,
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after_request=govc_scrape_finish_info.after_finish_info_request)
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]
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await asyncio.gather(*tasks)
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if __name__ == "__main__":
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from paste.core import aio_pool
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_runner = aio_pool.get_aio_runner()
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_runner(fetch_govc_task(10))
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