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31 lines
905 B
31 lines
905 B
from bs4 import BeautifulSoup
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from .selector import Selector
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class Schema(object):
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__version__ = 1
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@classmethod
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def _get_selectors(cls):
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for name, value in cls.__dict__.items():
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if isinstance(value, Selector):
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yield name, value
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@classmethod
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def parse(cls, html):
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instance = cls()
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soup = BeautifulSoup(html, 'html.parser')
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for name, value in cls._get_selectors():
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setattr(instance, name, value.resolve(soup))
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return instance
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def __repr__(self):
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properties = []
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for name, _ in self.__class__._get_selectors():
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value = getattr(self, name, None)
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properties.append('{name}={value}'.format(name=name, value=value))
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return (
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'{name}({properties})'
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.format(name=self.__class__.__name__, properties=', '.join(properties))
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)
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