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https://github.com/Yuukiy/JavSP.git
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Yuukiy
49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
"""网页抓取相关的异常"""
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__all__ = ['CrawlerError', 'MovieNotFoundError', 'MovieDuplicateError', 'SiteBlocked',
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'SitePermissionError', 'CredentialError', 'WebsiteError', 'OtherError']
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class CrawlerError(Exception):
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"""所有站点抓取器相关异常的基类"""
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class MovieNotFoundError(CrawlerError):
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"""表示某个站点没有抓取到某部影片"""
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# 保持异常消息的简洁，同时又支持使用'logger.info(e, exc_info=True)'记录完整信息
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def __init__(self, mod, avid, *args) -> None:
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msg = f"{mod}: 未找到影片: '{avid}'"
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super().__init__(msg, *args)
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def __str__(self):
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return self.args[0]
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class MovieDuplicateError(CrawlerError):
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"""影片重复"""
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def __init__(self, mod, avid, dup_count, *args) -> None:
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msg = f"{mod}: '{avid}': 存在{dup_count}个完全匹配目标番号的搜索结果"
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super().__init__(msg, *args)
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def __str__(self):
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return self.args[0]
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class SiteBlocked(CrawlerError):
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"""由于IP段或者触发反爬机制等原因导致用户被站点封锁"""
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class SitePermissionError(CrawlerError):
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"""由于缺少权限而无法访问影片资源"""
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class CredentialError(CrawlerError):
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"""由于缺少Cookies等凭据而无法访问影片资源"""
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class WebsiteError(CrawlerError):
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"""非预期的状态码等网页故障"""
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class OtherError(CrawlerError):
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"""其他尚未分类的错误"""
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