Scrape a specific text from a JavaScript code string

Question

I would like to get the value of uuid key in the below text. Can I achieve this with XPATH? I am scraping this value from a website source code.

        jQuery(document).ready(function ($) {
            var infoTemplate = Handlebars.compile($('#vehicle-person-template').html());
            var summaryTemplate = Handlebars.compile($('#vehicle-summary-template').html());

            axios.post("https:\/\/www.merinfo.se\/ajax\/vehicles", {
                    uuid: "21ac0674-488a-11e8-9b40-47e7b0ba95bc"                    })
                .then(function (response) {
                    $('#vehicle-info').html(infoTemplate(response.data.data));
                    $('#vehicle-summary').html(summaryTemplate(response.data.data));
                })
                .catch(function (error) {
                    $("#vehicle-info").html('<p class="font-italic mb-0">Fordonsinformation ej tillgängligt för tillfället</p>');
                    $('#vehicle-summary').html('<p class="font-italic mb-0">Fordonsinformation ej tillgängligt för tillfället</p>');
                });
        });

        jQuery(document).ready(function ($) {
            var source = $("#person-residence-template").html();
            var template = Handlebars.compile(source);

            axios.post("https:\/\/www.merinfo.se\/api\/v1\/person\/residence", {
                    uuid: "21ac0674-488a-11e8-9b40-47e7b0ba95bc"                    })
                .then(function (response) {
                    if (typeof response.data.data !== 'undefined') {
                        $('#residence-info').html(template(response.data.data));
                    } else {
                        $("#residence-info").html('<p class="font-italic mb-0">Vi saknar bostadsinformation för Björn</p>');
                    }
                })
                .catch(function (error) {
                    $("#residence-info").html('<p class="font-italic mb-0">Vi saknar bostadsinformation för Björn</p>');
                });
        });

Have you consider using regular expressions?

Jorge Morgado
– Jorge Morgado

2021-05-24 17:10:36 +00:00
Commented May 24, 2021 at 17:10 — Jorge Morgado
– Jorge Morgado, Commented May 24, 2021 at 17:10
I have no understanding of Regular Expression.

codewithawais
– codewithawais

2021-05-24 17:13:41 +00:00
Commented May 24, 2021 at 17:13 — codewithawais
– codewithawais, Commented May 24, 2021 at 17:13
I will live you an answer using it and explained

Jorge Morgado
– Jorge Morgado

2021-05-24 17:14:11 +00:00
Commented May 24, 2021 at 17:14 — Jorge Morgado
– Jorge Morgado, Commented May 24, 2021 at 17:14
That's so nice of you...

codewithawais
– codewithawais

2021-05-24 17:14:44 +00:00
Commented May 24, 2021 at 17:14 — codewithawais
– codewithawais, Commented May 24, 2021 at 17:14

Jorge Morgado · Accepted Answer · 2021-05-24 17:28:50Z

1

If you have the JS code as text you could use regular expressions to get that value.

Code

import re

pattern = r'uuid:\s\"(.*?)\"'
uuids = re.findall(pattern, code_text)

Assuming you have the code in the code_text variable.

uuids is a list with all the uuids in the code.

Pattern explanation

uuid: : The literal text 'uuid:'
\s : Followed by a space
\" : Then the open quotes
(.*?) : Any characters (and making a group with this characters, this is the value you want)
\" : Then the closing quotes

The ? after the .* is for stopping matching any character if a " is encounter. If you don't put this ? then it would match until the last " of the code.

The ( and ) creates a group, and findall will give as result all groups values in a list, in this case, all inside the quotes, the value you want.

answered May 24, 2021 at 17:28

Jorge Morgado

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2 Comments

Jorge Morgado Over a year ago

You can check it here

Jorge Morgado Over a year ago

Good to know :)

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