Python 3.x 使用Robot框架对项目进行迭代的问题

我正在使用带有FOR循环的Robot框架编写一个关键字，以迭代出现在第一个下拉列表中的所有值，并逐个进行选择。循环正在工作，但无法迭代以选择索引

网站：

${Xpath_Departure_DropDown}= "xpath://*[starts-with(@class,'container')]//select[@name='fromPort']"

${Xpath_Departure_DropDown_Options}= "xpath://select[@name='fromPort']/option"

KW_14: Choose your departure city Drop Down:
    
    @{All_Items_In_Drop_Down}=           Get List Items    ${Xpath_Departure_DropDown}     values=True
    
    ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
    
    ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
    
    List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}

    ${Length_Of_Lists_Items}=    get length  ${All_Items_In_Drop_Down}

    FOR     ${Index}   IN RANGE     ${Length_Of_Lists_Items}
        LOG     ${Index}   html=true

        Click Element   ${Xpath_Departure_DropDown}
        sleep   2 seconds
        run keyword and continue on failure     Select From List By Index ${Xpath_Departure_DropDown_Options}[${Index}]
        sleep   2 seconds
        ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
        ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
        List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}
    END

（选择您的出发城市：）

测试用例是：

${Xpath_Departure_DropDown}= "xpath://*[starts-with(@class,'container')]//select[@name='fromPort']"

${Xpath_Departure_DropDown_Options}= "xpath://select[@name='fromPort']/option"

KW_14: Choose your departure city Drop Down:
    
    @{All_Items_In_Drop_Down}=           Get List Items    ${Xpath_Departure_DropDown}     values=True
    
    ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
    
    ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
    
    List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}

    ${Length_Of_Lists_Items}=    get length  ${All_Items_In_Drop_Down}

    FOR     ${Index}   IN RANGE     ${Length_Of_Lists_Items}
        LOG     ${Index}   html=true

        Click Element   ${Xpath_Departure_DropDown}
        sleep   2 seconds
        run keyword and continue on failure     Select From List By Index ${Xpath_Departure_DropDown_Options}[${Index}]
        sleep   2 seconds
        ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
        ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
        List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}
    END

第一个将选择值为“Paris”的零指数，然后选择值为“Philadelphia”的第一个指数，依此类推，直到第六个指数

XPATH:

${Xpath_Departure_DropDown}= "xpath://*[starts-with(@class,'container')]//select[@name='fromPort']"

${Xpath_Departure_DropDown_Options}= "xpath://select[@name='fromPort']/option"

KW_14: Choose your departure city Drop Down:
    
    @{All_Items_In_Drop_Down}=           Get List Items    ${Xpath_Departure_DropDown}     values=True
    
    ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
    
    ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
    
    List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}

    ${Length_Of_Lists_Items}=    get length  ${All_Items_In_Drop_Down}

    FOR     ${Index}   IN RANGE     ${Length_Of_Lists_Items}
        LOG     ${Index}   html=true

        Click Element   ${Xpath_Departure_DropDown}
        sleep   2 seconds
        run keyword and continue on failure     Select From List By Index ${Xpath_Departure_DropDown_Options}[${Index}]
        sleep   2 seconds
        ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
        ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
        List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}
    END

机器人框架关键字：

${Xpath_Departure_DropDown}= "xpath://*[starts-with(@class,'container')]//select[@name='fromPort']"

${Xpath_Departure_DropDown_Options}= "xpath://select[@name='fromPort']/option"

KW_14: Choose your departure city Drop Down:
    
    @{All_Items_In_Drop_Down}=           Get List Items    ${Xpath_Departure_DropDown}     values=True
    
    ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
    
    ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
    
    List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}

    ${Length_Of_Lists_Items}=    get length  ${All_Items_In_Drop_Down}

    FOR     ${Index}   IN RANGE     ${Length_Of_Lists_Items}
        LOG     ${Index}   html=true

        Click Element   ${Xpath_Departure_DropDown}
        sleep   2 seconds
        run keyword and continue on failure     Select From List By Index ${Xpath_Departure_DropDown_Options}[${Index}]
        sleep   2 seconds
        ${All_Items_In_Drop_Down_Label}=    Get Selected List Label    ${Xpath_Departure_DropDown}
        ${All_Items_In_Drop_Down_Value}=    Get Selected List Value    ${Xpath_Departure_DropDown}
        List Selection Should Be    ${Xpath_Departure_DropDown}     ${All_Items_In_Drop_Down_Value}
    END

我认为您使用的“按索引从列表中选择”是不正确的。请检查以下文件：

它接受定位器和索引。当你经过的时候

${Xpath_Departure_DropDown_Options}[${Index}]

这根本没有意义，因为Xpath\u离开\u下拉选项是定位器本身。试一试

Select From List By Index  ${Xpath_Departure_DropDown_Options}  ${Index}

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它抛出的错误是什么？