使用 python minidom 过滤 XML 文件

问题描述 投票:0回答:1

我正在尝试使用 python 的 minidom 过滤 XML 文件。我想根据地址是工作电子邮件地址的标准返回电子邮件地址列表 ()。我需要使用元素 WORK 来过滤电子邮件地址。以下是文件:

<?xml version="1.0" encoding="UTF-8"?>
<env:Envelope xmlns:env="http://schema.xmlsoap.org/soap/envelope/">
<env:Body>
    <wd:Get_Working_Response xmlns:wd="urn:com.workway/bsvc"
                             wd:version="v40.1">
        <wd:Request_Criteria>
            <wd:Transaction_Log_Criteria_Data>
            </wd:Transaction_Log_Criteria_Data>
            <wd:Field_And_Parameter_Criteria_Data>
            </wd:Field_And_Parameter_Criteria_Data>
            <wd:Eligibility_Criteria_Data>
            </wd:Eligibility_Criteria_Data>
        </wd:Request_Criteria>
        <wd:Response_Filter>
        </wd:Response_Filter>
        <wd:Response_Group>
        </wd:Response_Group>
        <wd:Response_Results>
        </wd:Response_Results>
        <wd:Response_Data>
            <wd:Worker>
                <wd:Worker_Reference>
                    <wd:ID wd:type="WID">787878787878787</wd:ID>
                    <wd:ID wd:type="Employee_ID">123456</wd:ID>
                </wd:Worker_Reference>
                <wd:Worker_Descriptor>John Smith</wd:Worker_Descriptor>
                <wd:Worker_Data>
                    <wd:Worker_ID>123456</wd:Worker_ID>
                    <wd:User_ID>jsmith</wd:User_ID>
                    <wd:Personal_Data>
                            <wd:Email_Address_Data>
                                <wd:Email_Address>[email protected]</wd:Email_Address>
                                <wd:Usage_Data wd:Public="0">
                                    <wd:Type_Data wd:Primary="1">
                                        <wd:Type_Reference>
                                            <wd:ID wd:type="WID">000000000000000</wd:ID>
                                            <wd:ID wd:type="Communication_Usage_Type_ID">HOME</wd:ID>
                                        </wd:Type_Reference>
                                    </wd:Type_Data>
                                </wd:Usage_Data>
                                <wd:Email_Reference>
                                    <wd:ID wd:type="WID">99999999999999999999999</wd:ID>
                                    <wd:ID wd:type="Email_ID">EMAIL_REFERENCE-3-3960</wd:ID>
                                </wd:Email_Reference>
                                <wd:ID>EMAIL_REFERENCE-3-3960</wd:ID>
                            </wd:Email_Address_Data>
                            <wd:Email_Address_Data>
                                <wd:Email_Address>[email protected]</wd:Email_Address>
                                <wd:Usage_Data wd:Public="1">
                                    <wd:Type_Data wd:Primary="1">
                                        <wd:Type_Reference>
                                            <wd:ID wd:type="WID">999999999999999999999999999</wd:ID>
                                            <wd:ID wd:type="Communication_Usage_Type_ID">WORK</wd:ID>
                                        </wd:Type_Reference>
                                    </wd:Type_Data>
                                </wd:Usage_Data>
                                <wd:Email_Reference>
                                    <wd:ID wd:type="WID">999999999999999999999999</wd:ID>
                                    <wd:ID wd:type="Email_ID">EMAIL_REFERENCE-3-4017</wd:ID>
                                </wd:Email_Reference>
                                <wd:ID>EMAIL_REFERENCE-3-4017</wd:ID>
                            </wd:Email_Address_Data>
                            </wd:Personal_Data>
                    </wd:Worker_Data>   
            </wd:Worker>
        </wd:Response_Data>
    </wd:Get_Working_Response>
</env:Body>
</env:Envelope>

到目前为止,我已经能够获得一个列表(工作元素),其中包含已过滤的 WORK DOM 元素。我认为我需要使用它以某种方式过滤文件并将结果放入仅包含工作电子邮件的 Email_Address_Data 元素的列表 (lNodesWithLevel2) 中。一旦我只有这些元素,我应该能够获取 Email_Address 的值。任何帮助将非常感激。如果更容易的话,我愿意使用其他库。这是我到目前为止所拥有的:

xmlDoc = minidom.parse('XML_Example.xml')

workelements =[]
lNodesWithLevel1 = xmlDoc.getElementsByTagName('wd:ID')
for mynodes in lNodesWithLevel1:
    if mynodes.firstChild.nodeValue == 'WORK':
        workelements.append(mynodes)

lNodesWithLevel2 = [lNode for lNode in xmlDoc.getElementsByTagName('wd:Email_Address_Data')
                 if lNode.getElementsByTagName('wd:ID') == li]
python xml minidom
1个回答
0
投票

我想根据地址是工作电子邮件地址的标准返回电子邮件地址列表 ()。我需要使用元素 WORK 来过滤电子邮件地址。

使用python ElementTree核心库

import xml.etree.ElementTree as ET

xml_data = '''<env:Envelope xmlns:env="http://schema.xmlsoap.org/soap/envelope/">
<env:Body>
    <wd:Get_Working_Response xmlns:wd="urn:com.workway/bsvc"
                             wd:version="v40.1">
        <wd:Request_Criteria>
            <wd:Transaction_Log_Criteria_Data>
            </wd:Transaction_Log_Criteria_Data>
            <wd:Field_And_Parameter_Criteria_Data>
            </wd:Field_And_Parameter_Criteria_Data>
            <wd:Eligibility_Criteria_Data>
            </wd:Eligibility_Criteria_Data>
        </wd:Request_Criteria>
        <wd:Response_Filter>
        </wd:Response_Filter>
        <wd:Response_Group>
        </wd:Response_Group>
        <wd:Response_Results>
        </wd:Response_Results>
        <wd:Response_Data>
            <wd:Worker>
                <wd:Worker_Reference>
                    <wd:ID wd:type="WID">787878787878787</wd:ID>
                    <wd:ID wd:type="Employee_ID">123456</wd:ID>
                </wd:Worker_Reference>
                <wd:Worker_Descriptor>John Smith</wd:Worker_Descriptor>
                <wd:Worker_Data>
                    <wd:Worker_ID>123456</wd:Worker_ID>
                    <wd:User_ID>jsmith</wd:User_ID>
                    <wd:Personal_Data>
                            <wd:Email_Address_Data>
                                <wd:Email_Address>[email protected]</wd:Email_Address>
                                <wd:Usage_Data wd:Public="0">
                                    <wd:Type_Data wd:Primary="1">
                                        <wd:Type_Reference>
                                            <wd:ID wd:type="WID">000000000000000</wd:ID>
                                            <wd:ID wd:type="Communication_Usage_Type_ID">HOME</wd:ID>
                                        </wd:Type_Reference>
                                    </wd:Type_Data>
                                </wd:Usage_Data>
                                <wd:Email_Reference>
                                    <wd:ID wd:type="WID">99999999999999999999999</wd:ID>
                                    <wd:ID wd:type="Email_ID">EMAIL_REFERENCE-3-3960</wd:ID>
                                </wd:Email_Reference>
                                <wd:ID>EMAIL_REFERENCE-3-3960</wd:ID>
                            </wd:Email_Address_Data>
                            <wd:Email_Address_Data>
                                <wd:Email_Address>[email protected]</wd:Email_Address>
                                <wd:Usage_Data wd:Public="1">
                                    <wd:Type_Data wd:Primary="1">
                                        <wd:Type_Reference>
                                            <wd:ID wd:type="WID">999999999999999999999999999</wd:ID>
                                            <wd:ID wd:type="Communication_Usage_Type_ID">WORK</wd:ID>
                                        </wd:Type_Reference>
                                    </wd:Type_Data>
                                </wd:Usage_Data>
                                <wd:Email_Reference>
                                    <wd:ID wd:type="WID">999999999999999999999999</wd:ID>
                                    <wd:ID wd:type="Email_ID">EMAIL_REFERENCE-3-4017</wd:ID>
                                </wd:Email_Reference>
                                <wd:ID>EMAIL_REFERENCE-3-4017</wd:ID>
                            </wd:Email_Address_Data>
                            </wd:Personal_Data>
                    </wd:Worker_Data>   
            </wd:Worker>
        </wd:Response_Data>
    </wd:Get_Working_Response>
</env:Body>
</env:Envelope>
'''

# Parse the XML data
root = ET.fromstring(xml_data)

# Namespace dictionary
ns = {'wd': 'urn:com.workway/bsvc'}

for email_elem_root in root.findall('.//wd:Email_Address_Data', ns):
    email = email_elem_root.find('./wd:Email_Address', ns).text
    should_collect: bool = email_elem_root.find('.//wd:ID[@wd:type="Communication_Usage_Type_ID"]', ns).text == 'WORK'
    if should_collect:
        print("Collecting Email:", email)
    else:
        print("Ignoring Email:", email)

输出

Ignoring Email: [email protected]
Collecting Email: [email protected]
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