fields.py 文件源码

python
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项目:QualquerMerdaAPI 作者: tiagovizoto 项目源码 文件源码
def _serialize(self, value, key, obj):
        """Output the URL for the endpoint, given the kwargs passed to
        ``__init__``.
        """
        param_values = {}
        for name, attr_tpl in iteritems(self.params):
            attr_name = _tpl(str(attr_tpl))
            if attr_name:
                attribute_value = utils.get_value(attr_name, obj, default=missing)
                if attribute_value is not missing:
                    param_values[name] = attribute_value
                else:
                    err = AttributeError(
                        '{attr_name!r} is not a valid '
                        'attribute of {obj!r}'.format(attr_name=attr_name, obj=obj)
                    )
                    if has_forced_error:
                        raise ForcedError(err)
                    else:
                        raise err
            else:
                param_values[name] = attr_tpl
        try:
            return url_for(self.endpoint, **param_values)
        except BuildError as err:  # Make sure BuildErrors are raised
            if has_forced_error:
                raise ForcedError(err)
            else:
                raise err
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