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我有一些非常'深'的XML(例如見底部),我正努力使用minidom或者elementtree來獲得我需要的值 - 任何想法到達這個最簡單的方法粗體數值(VALUE_TO_GET)是否會有不同數量的LowestOfferListing
標籤?我基本上需要爲每個SKUIdentifier
獲得LandedPrice
/Amount
的第一個實例,並且找不到這樣做的簡單(ish)方式!在Python中遍歷XML
<?xml version="1.0" ?>
<GetLowestOfferListingsForSKUResponse xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01">
<GetLowestOfferListingsForSKUResult SellerSKU="X" status="Success">
<AllOfferListingsConsidered>true</AllOfferListingsConsidered>
<Product xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01"
xmlns:ns2="http://mws.amazonservices.com/schema/Products/2011-10-01/default.xsd">
<Identifiers>
<MarketplaceASIN>
<MarketplaceId>X</MarketplaceId>
<ASIN>X</ASIN>
</MarketplaceASIN>
<SKUIdentifier>
<MarketplaceId>X</MarketplaceId>
<SellerId>X</SellerId>
<SellerSKU>**VALUE_TO_GET**</SellerSKU>
</SKUIdentifier>
</Identifiers>
<LowestOfferListings>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>New</ItemCondition>
<ItemSubcondition>New</ItemSubcondition>
<FulfillmentChannel>Amazon</FulfillmentChannel>
<ShipsDomestically>True</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>3</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>**VALUE_TO_GET**</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>False</MultipleOffersAtLowestPrice>
</LowestOfferListing>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>Merchant</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>X</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>X</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>X</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>X</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>X</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>X</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>X</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
</LowestOfferListings>
</Product>
</GetLowestOfferListingsForSKUResult>
<GetLowestOfferListingsForSKUResult SellerSKU="X" status="X">
<AllOfferListingsConsidered>X</AllOfferListingsConsidered>
<Product xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01"
xmlns:ns2="http://mws.amazonservices.com/schema/Products/2011-10-01/default.xsd">
<Identifiers>
<MarketplaceASIN>
<MarketplaceId>X</MarketplaceId>
<ASIN>X</ASIN>
</MarketplaceASIN>
<SKUIdentifier>
<MarketplaceId>X</MarketplaceId>
<SellerId>X</SellerId>
<SellerSKU>**VALUE_TO_GET**</SellerSKU>
</SKUIdentifier>
</Identifiers>
<LowestOfferListings>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>X</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>1</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>**VALUE_TO_GET**</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>X</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>8</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>Merchant</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>4</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
<LowestOfferListing>
<Qualifiers>
<ItemCondition>X</ItemCondition>
<ItemSubcondition>X</ItemSubcondition>
<FulfillmentChannel>X</FulfillmentChannel>
<ShipsDomestically>X</ShipsDomestically>
<ShippingTime>
<Max>X</Max>
</ShippingTime>
<SellerPositiveFeedbackRating>X</SellerPositiveFeedbackRating>
</Qualifiers>
<NumberOfOfferListingsConsidered>1</NumberOfOfferListingsConsidered>
<SellerFeedbackCount>X</SellerFeedbackCount>
<Price>
<LandedPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</LandedPrice>
<ListingPrice>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</ListingPrice>
<Shipping>
<CurrencyCode>X</CurrencyCode>
<Amount>X</Amount>
</Shipping>
</Price>
<MultipleOffersAtLowestPrice>X</MultipleOffersAtLowestPrice>
</LowestOfferListing>
</LowestOfferListings>
</Product>
</GetLowestOfferListingsForSKUResult>
<ResponseMetadata>
<RequestId>X</RequestId>
</ResponseMetadata>
</GetLowestOfferListingsForSKUResponse>
是公形成的XML。在編輯之前它只是格式不正確。 – mzjn
@root感謝您的回答 - 以前從未使用過lxml,但似乎可能是前進之路。但是,您給出的示例僅爲我返回前兩個** VALUE_TO_GET **。我得到(我認爲)我們正在隔離'// sellersku/text()',並將管道結果找到'// product/descendant'和'amount [1]/text()' - 是否存在一種遞歸的方式來實現這一點,並找到這個的所有實例(因爲實際列表將包括成千上萬的產品)? 謝謝, Matt –
@root對不起,但我不明白你的意見。你是說在xml中有兩個這樣的值?或者表達式'doc.xpath('// sellersku/text()| // product/descendant :: amount [1]/text()')'包含'// sellersku/text()'和' // product'? 這種方法是做我想做的,只不過它只是採取sellersku的第一個實例,並在xml中找到它的數量,而我希望它找到每個sellersku的所有第一個子實例。 我想用它來將這些信息位以sellersku作爲關鍵字和金額作爲值拉入字典。 –