Question

我正在尝试读取，存储在数据帧中并将一些.csv文件写入XML文件。 XML文件具有一个架构，我曾经使用GenerateDS在Python中生成数据结构。我的问题是我不知道如何将子元素添加到父元素或根元素。

到目前为止，我已经能够生成具有其属性的根元素。

...
for {
  idOpt <- q.update.withGeneratedKeys[Long]("id").compile.last   
  _ <- idOpt.fold(0.pure[ConnectionIO])(_ => inserts.reduce(_ ++ _).update.run)
} yield idOpt

模式（其中的一部分）如下：

import xmlschema
import csv
from pprint import pprint
import sys
sys.path.insert(0, r"C:\Users\Blabla\Desktop\py scripts\csvtoxml")
import rzbr
import glob
import pandas as pd
import ntpath
import numpy as np
import lxml
ntpath.basename("a/b/c")


def path_leaf(path):
    head, tail = ntpath.split(path)
    return tail or ntpath.basename(head)

Filenames=[fname for fname in glob.glob(r"C:\Users\Blabla\Desktop\py scripts\csvtoxml\Example\Data_CSV\*.csv")] 


data_frames = {}    


for filename in Filenames:
    df = pd.read_csv(filename, sep=',')
    data_frames[path_leaf(filename.partition(".")[0])] = df


Application = data_frames['Application'].astype(object).replace(np.nan, '')
ApplicantActivityStructure = data_frames['ApplicantActivityStructure'].astype(object).replace(np.nan, '')
ApplicantDetails = data_frames['ApplicantDetails'].astype(object).replace(np.nan, '')
ApplicantFinancials = data_frames['ApplicantFinancials'].astype(object).replace(np.nan, '')
AssociatedApplicant = data_frames['AssociatedApplicant'].astype(object).replace(np.nan, '')
CashFlowFX = data_frames['CashFlowFX'].astype(object).replace(np.nan, '')
Collateral = data_frames['Collateral'].astype(object).replace(np.nan, '')
CollateralAllocations = data_frames['CollateralAllocations'].astype(object).replace(np.nan, '')
ConsolidatedAccountData = data_frames['ConsolidatedAccountData'].astype(object).replace(np.nan, '')
CovenantsFulfillment = data_frames['CovenantsFulfillment'].astype(object).replace(np.nan, '')
CRCExposures = data_frames['CRCExposures'].astype(object).replace(np.nan, '')
CRCOverDueHistory = data_frames['CRCOverDueHistory'].astype(object).replace(np.nan, '')
ExchangeRates = data_frames['ExchangeRates'].astype(object).replace(np.nan, '')
FactoringPartnerData = data_frames['FactoringPartnerData'].astype(object).replace(np.nan, '')
PaymentInstruments = data_frames['PaymentInstruments'].astype(object).replace(np.nan, '')
RbroFacility = data_frames['RbroFacility'].astype(object).replace(np.nan, '')
RelatedParty = data_frames['RelatedParty'].astype(object).replace(np.nan, '')
RequestDetails = data_frames['RequestDetails'].astype(object).replace(np.nan, '')


for row in Application.itertuples():
        app = rzbr.Application(
                ApplicationDate=row.ApplicationDate,SWDecision=row.SWDecision, DeliveryOptionCode=row.DeliveryOptionCode, 
                ProcessingRequestType=row.ProcessingRequestType, ResubmissionFlag=row.ResubmissionFlag,
                ApplicationCrossReferenceId=row.ApplicationCrossReferenceId
        )      

        app.export(sys.stdout, 0)

输出应如下所示：

<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="Application">   
    <xs:complexType>
      <xs:sequence>
        <xs:element name="CreditRequest">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="ProductRequestList">
                <xs:complexType>
                  <xs:sequence>
                    <xs:element name="ProductRequest">
                      <xs:complexType>
                        <xs:simpleContent>
                          <xs:extension base="xs:string">
                            <xs:attribute type="xs:string" name="ProductCategory"/>
                            <xs:attribute type="xs:string" name="ProductCode"/>
                            <xs:attribute type="xs:string" name="DMFunction"/>
                            <xs:attribute type="xs:string" name="DMProduct"/>
                            <xs:attribute type="xs:byte" name="Priority"/>
                          </xs:extension>
                        </xs:simpleContent>
                      </xs:complexType>
                    </xs:element>
                  </xs:sequence>
                </xs:complexType>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
    </xs:complexType>
  </xs:element>
</xs:schema>

我的实际输出是：

<?xml version="1.0" encoding="UTF-8"?>
<Application xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ApplicationDate="2017-07-01" SWDecision="false" DeliveryOptionCode="RZB" ProcessingRequestType="DA" ResubmissionFlag="false" ApplicationCrossReferenceId="111.0">
    <CreditRequest>
        <ProductRequestList>
            <ProductRequest ProductCategory="Revolving" ProductCode="Revolving" DMFunction="" DMProduct="" Priority="0"> </ProductRequest>
        </ProductRequestList>
    </CreditRequest>

<Application ApplicationDate="2017-07-01" SWDecision="False" DeliveryOptionCode="RZB" ProcessingRequestType="DA" ResubmissionFlag="False" ApplicationCrossReferenceId="111."/>是具有GenerateDS所生成的类和函数的模块，用于基于提供的模式的数据结构。

如何通过使用基于XML模式的Python自动生成的数据结构向节点添加元素？

0 个答案: