python如何实现PageFactory设计模式-创新互联
这篇文章主要讲解了python如何实现PageFactory设计模式,内容清晰明了,对此有兴趣的小伙伴可以学习一下,相信大家阅读完之后会有帮助。
创新互联是一家集网站建设,桂平企业网站建设,桂平品牌网站建设,网站定制,桂平网站建设报价,网络营销,网络优化,桂平网站推广为一体的创新建站企业,帮助传统企业提升企业形象加强企业竞争力。可充分满足这一群体相比中小企业更为丰富、高端、多元的互联网需求。同时我们时刻保持专业、时尚、前沿,时刻以成就客户成长自我,坚持不断学习、思考、沉淀、净化自己,让我们为更多的企业打造出实用型网站。前言
pageFactory的设计模式能在java里执行的原因是java自带了PageFactory类,而在python中没有这样的包,但是已经有人写好了pageFactory在python的包,可以拿来用
pageFactory 用于python支持的py文件
__all__ = ['cacheable', 'callable_find_by', 'property_find_by'] def cacheable_decorator(lookup): def func(self): if not hasattr(self, '_elements_cache'): self._elements_cache = {} # {callable_id: element(s)} cache = self._elements_cache key = id(lookup) if key not in cache: cache[key] = lookup(self) return cache[key] return func cacheable = cacheable_decorator _strategy_kwargs = ['id_', 'xpath', 'link_text', 'partial_link_text', 'name', 'tag_name', 'class_name', 'css_selector'] def _callable_find_by(how, using, multiple, cacheable, context, driver_attr, **kwargs): def func(self): # context - driver or a certain element if context: ctx = context() if callable(context) else context.__get__(self) # or property else: ctx = getattr(self, driver_attr) # 'how' AND 'using' take precedence over keyword arguments if how and using: lookup = ctx.find_elements if multiple else ctx.find_element return lookup(how, using) if len(kwargs) != 1 or list(kwargs.keys())[0] not in _strategy_kwargs: raise ValueError( "If 'how' AND 'using' are not specified, one and only one of the following " "valid keyword arguments should be provided: %s." % _strategy_kwargs) key = list(kwargs.keys())[0]; value = kwargs[key] suffix = key[:-1] if key.endswith('_') else key # find_element(s)_by_xxx prefix = 'find_elements_by' if multiple else 'find_element_by' lookup = getattr(ctx, '%s_%s' % (prefix, suffix)) return lookup(value) return cacheable_decorator(func) if cacheable else func def callable_find_by(how=None, using=None, multiple=False, cacheable=False, context=None, driver_attr='_driver', **kwargs): return _callable_find_by(how, using, multiple, cacheable, context, driver_attr, **kwargs) def property_find_by(how=None, using=None, multiple=False, cacheable=False, context=None, driver_attr='_driver', **kwargs): return property(_callable_find_by(how, using, multiple, cacheable, context, driver_attr, **kwargs))
本文标题:python如何实现PageFactory设计模式-创新互联
网站网址:http://myzitong.com/article/dcjooc.html