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How to use eval_on_selector_all method in Playwright Python

Best Python code snippet using playwright-python

main.py

Source:main.py

...77        await page.wait_for_timeout(1000)78        items: List[Dict[str, Any]] = []79        if input.is_exact is True:80            # loop through the items and try to match the name81            titles = await page.eval_on_selector_all(82                '//div[@class="buy-box"]/div[@class="left"]/p',83                '(boxes) => boxes.map(box => box.innerText)',84            )85            distances = [distance(input.query, x) for x in titles]86            item_matches = sorted(zip(titles, distances, range(1, len(titles) + 1)), key=lambda x: x[1])87            print(item_matches)88            if len(item_matches) > 0:89                # select the closest one90                button_selector = f'(//div[@class="buy-box"])[{item_matches[0][2]}]/*[contains(@class, "button")]'91                button_class_dict: Dict[str, str] = await page.eval_on_selector(92                    button_selector,93                    '(button) => button.classList',94                )95                if 'custom' not in button_class_dict.values():96                    # just click on the button97                    await page.click(button_selector, click_count=input.quantity)98                    item_title = await page.eval_on_selector(99                        '(//div[@class="buy-box"])[1]/div[@class="left"]/p',100                        '(title) => title.innerText',101                    )102                    items.append({'name': item_title, 'quantity': input.quantity})103                else:104                    # go into customization105                    await page.click(button_selector)106                    await page.wait_for_timeout(500)107                    # get the first sub-item108                    item_title = await page.eval_on_selector(109                        '(//h1[@class="title"])[1]',110                        '(title) => title.innerText',111                    )112                    await page.fill('//input[contains(@class, "count")]', str(input.quantity))113                    await page.wait_for_timeout(500)114                    await page.click('button.to-cart')115                    await page.wait_for_timeout(1000)116                    await page.goto('https://mcd.cn/product')117                    # await page.click('div:text("é¤åèå")')118                    items.append({'name': item_title, 'quantity': input.quantity})119        else:120            result_count = await page.eval_on_selector_all(121                '//div[@class="buy-box"]/div[@class="left"]/p',122                '(boxes) => boxes.length',123            )124            # pick one at random125            item_idx = random.sample(range(1, result_count + 1), input.quantity)126            for idx in item_idx:127                button_selector = f'(//div[@class="buy-box"])[{idx}]/*[contains(@class, "button")]'128                button_class_dict: Dict[str, str] = await page.eval_on_selector(129                    button_selector,130                    '(button) => button.classList',131                )132                if 'custom' not in button_class_dict.values():133                    # just click on the button134                    await page.click(button_selector, click_count=1)135                    item_title = await page.eval_on_selector(136                        '(//div[@class="buy-box"])[1]/div[@class="left"]/p',137                        '(title) => title.innerText',138                    )139                    items.append({'name': item_title, 'quantity': 1})140                else:141                    # go into customization142                    await page.click(button_selector)143                    await page.wait_for_timeout(500)144                    # get the first sub-item145                    item_title = await page.eval_on_selector(146                        '(//h1[@class="title"])[1]',147                        '(title) => title.innerText',148                    )149                    await page.fill('//input[contains(@class, "count")]', '1')150                    await page.wait_for_timeout(500)151                    await page.click('button.to-cart')152                    await page.wait_for_timeout(1000)153                    items.append({'name': item_title, 'quantity': 1})154                    # await page.click('div:text("é¤åèå")')155                    await page.goto('https://mcd.cn/product')156                    await page.wait_for_timeout(2000)157                    await page.fill('//input[contains(@placeholder, "æå¤")]', input.query)158                    await page.click('button.ant-input-search-button')159                    await page.wait_for_timeout(1000)160        state = 'ordered'161        metadata = {'items': items}162        sessions[session_id] = (session, browser, page, state)163        return SessionOutput(id=session_id, state=state, metadata=metadata)164    except KeyError:165        raise HTTPException(state_code=404, detail='session not found')166@app.post('/sessions/{session_id}/cart/clear', response_model=SessionOutput)167async def clear_session_cart(session_id: str):168    try:169        session, browser, page, state = sessions[session_id]170        await page.click('//div[@class="car"]')171        await page.wait_for_timeout(500)172        await page.click('span:text("æ¸ç©ºè´ç©è½¦")')173        await page.wait_for_timeout(500)174        await page.click('//div[@class="ant-popover-buttons"]/button[contains(@class, "ant-btn-primary")]')175        state = 'cart_cleared'176        sessions[session_id] = (session, browser, page, state)177        return SessionOutput(id=session_id, state=state)178    except KeyError:179        raise HTTPException(state_code=404, detail='session not found')180@app.get('/sessions/{session_id}/cart', response_model=SessionOutput)181async def get_session_cart(session_id: str):182    try:183        session, browser, page, state = sessions[session_id]184        cart_price_texts = await page.eval_on_selector_all(185            '//div[@class="price-info"]/span',186            '(spans) => spans.map((span) => span.innerText)',187        )188        address_texts = await page.eval_on_selector_all(189            '//div[@class="othpart address"]/div[@class="center"]/div',190            '(spans) => spans.map((span) => span.innerText)',191        )192        deliver_time_texts = await page.eval_on_selector_all(193            '//div[@class="othpart time"]/div[@class="center"]/div',194            '(spans) => spans.map((span) => span.innerText)',195        )196        checkout_button_class_dict: Dict[str, str] = await page.eval_on_selector(197            '//button[contains(@class, "to-check")]',198            '(button) => button.classList',199        )200        if 'grey' in checkout_button_class_dict.values():201            state = 'cart_empty'202            sessions[session_id] = (session, browser, page, state)203            return SessionOutput(204                id=session_id,205                state=state,206                metadata={207                    'items': [],208                    'cart_price_texts': cart_price_texts,209                    'address_texts': address_texts,210                    'deliver_time_texts': deliver_time_texts,211                },212            )213        else:214            await page.click('//div[@class="car"]')215            await page.wait_for_timeout(500)216            item_titles = await page.eval_on_selector_all(217                '//div[contains(@class, "cart-panel-details")]/div[@class="main"]/div/div/div[@class="name"]',218                '(titles) => titles.map(title => title.innerText)',219            )220            item_quantities = await page.eval_on_selector_all(221                '//div[contains(@class, "cart-panel-details")]/div[@class="main"]/div/div/div[@class="count-panel"]/div/input',222                '(quantities) => quantities.map(q => q.value)',223            )224            await page.wait_for_timeout(500)225            await page.click('//div[@class="close"]')226            state = 'cart_viewed'227            sessions[session_id] = (session, browser, page, state)228            return SessionOutput(229                id=session_id,230                state=state,231                metadata={232                    'items': list(map(lambda item: { "name": item[0], "quantity": item[1] }, zip(item_titles, item_quantities))),233                    'cart_price_texts': cart_price_texts,234                    'address_texts': address_texts,...

test_queryselector.py

Source:test_queryselector.py

...21    page = await context.new_page()22    await page.set_content("<div><span></span></div><div></div>")23    assert await page.eval_on_selector("tag=DIV", "e => e.nodeName") == "DIV"24    assert await page.eval_on_selector("tag=SPAN", "e => e.nodeName") == "SPAN"25    assert await page.eval_on_selector_all("tag=DIV", "es => es.length") == 226    assert await page.eval_on_selector("tag2=DIV", "e => e.nodeName") == "DIV"27    assert await page.eval_on_selector("tag2=SPAN", "e => e.nodeName") == "SPAN"28    assert await page.eval_on_selector_all("tag2=DIV", "es => es.length") == 229    # Selector names are case-sensitive.30    with pytest.raises(Error) as exc:31        await page.query_selector("tAG=DIV")32    assert 'Unknown engine "tAG" while parsing selector tAG=DIV' in exc.value.message33    await context.close()34async def test_selectors_register_should_work_with_path(35    selectors, page: Page, utils, assetdir36):37    await utils.register_selector_engine(38        selectors, "foo", path=assetdir / "sectionselectorengine.js"39    )40    await page.set_content("<section></section>")41    assert await page.eval_on_selector("foo=whatever", "e => e.nodeName") == "SECTION"42async def test_selectors_register_should_work_in_main_and_isolated_world(43    selectors, page: Page, utils44):45    dummy_selector_script = """{46      create(root, target) { },47      query(root, selector) {48        return window.__answer;49      },50      queryAll(root, selector) {51        return window['__answer'] ? [window['__answer'], document.body, document.documentElement] : [];52      }53    }"""54    await utils.register_selector_engine(selectors, "main", dummy_selector_script)55    await utils.register_selector_engine(56        selectors, "isolated", dummy_selector_script, content_script=True57    )58    await page.set_content("<div><span><section></section></span></div>")59    await page.evaluate('() => window.__answer = document.querySelector("span")')60    # Works in main if asked.61    assert await page.eval_on_selector("main=ignored", "e => e.nodeName") == "SPAN"62    assert (63        await page.eval_on_selector("css=div >> main=ignored", "e => e.nodeName")64        == "SPAN"65    )66    assert await page.eval_on_selector_all(67        "main=ignored", "es => window.__answer !== undefined"68    )69    assert (70        await page.eval_on_selector_all(71            "main=ignored", "es => es.filter(e => e).length"72        )73        == 374    )75    # Works in isolated by default.76    assert await page.query_selector("isolated=ignored") is None77    assert await page.query_selector("css=div >> isolated=ignored") is None78    # $$eval always works in main, to avoid adopting nodes one by one.79    assert await page.eval_on_selector_all(80        "isolated=ignored", "es => window.__answer !== undefined"81    )82    assert (83        await page.eval_on_selector_all(84            "isolated=ignored", "es => es.filter(e => e).length"85        )86        == 387    )88    # At least one engine in main forces all to be in main.89    assert (90        await page.eval_on_selector(91            "main=ignored >> isolated=ignored", "e => e.nodeName"92        )93        == "SPAN"94    )95    assert (96        await page.eval_on_selector(97            "isolated=ignored >> main=ignored", "e => e.nodeName"...

TechJuice-xpath-Task.py

Source:TechJuice-xpath-Task.py

...20        Title = quote.query_selector('xpath=div/h2/a').inner_text()21        print('Title : ', Title )22        Description = quote.query_selector('xpath=div/p').inner_text()23        print('Description : ', Description )24        hrefs_of_page = quote.eval_on_selector_all(".text-dark", "elements => elements.map(element => element.href)")25        str=""26        string_format_href = str.join(hrefs_of_page)27        article_url.append(string_format_href)28        print('hrefs_of_page : ', string_format_href )29        dic = {}30        dic['Title','Description','Url'] = Title,Description,string_format_href31        list_dic.append(dic)32        with open('Tech-Juice-xpath.csv', 'a', newline='') as outcsv:33            writer = csv.writer(outcsv)34            writer.writerow([Title,string_format_href,Description])35        print("\n")36      except:37        Title = "Not Found"38        print('Title : ', Title )39        print('Description : ', Description )40        print('hrefs_of_page : ', hrefs_of_page )41      42    print('Article_url : ',article_url)43    page.wait_for_timeout((2000))44    for i in article_url:45      Article_page = browser.new_page()46      Article_page.goto(i)47      page.wait_for_timeout((3000))48      Article_Heading =  Article_page.query_selector('xpath= //html/body/div/div/div/div/div/div/h1').inner_html()49      print('Article_Heading : ',Article_Heading)50      written_by =  Article_page.query_selector('xpath= //html/body/div/div/div/div/div/div/div/small/a/span').inner_html()  51      print("Written By --",written_by)52      # Article_Des =  Article_page.query_selector('xpath= //html/body/div/div/div[2]/div/div/div/article/p/span').inner_html()  53      # print('Article_Description : ',Article_Des)54      # with open('Tech-Juice-xpath.csv', 'a', newline='') as outcsv:55      #       writer = csv.writer(outcsv)56      #       writer.writerow(["","","",written_by,Article_Heading,Article_Des])57      58      Article_page.close()59if __name__ == '__main__':60    main('https://www.techjuice.pk/')61            62# blog = page.query_selector_all('site-content')63# blog = page.query_selector_all('.col-md-9')64# blog = page.  query_selector_all('.site-content > .row > div:first-child .col-md-9')65# blog =  page.query_selector_all('xpath= //html/body/div/div[1]/div/div')  66# # t = quote.query_selector('xpath=div/h2/a[href].href')...

19-list.py

Source:19-list.py

...33    # list_dic = []34    # article_url = []35    # for quote in blog:36    #   # # t = quote.query_selector('xpath=div/h2/a[href].href')37    #   # t = quote.eval_on_selector_all(".text-dark", "elements => elements.map(element => element.href)")38      39    #   try:40    #     Title = quote.query_selector('xpath=div/h2/a').inner_text()41    #     print('Title : ', Title )42    #     Description = quote.query_selector('xpath=div/p').inner_text()43    #     print('Description : ', Description )44    #     hrefs_of_page = quote.eval_on_selector_all(".text-dark", "elements => elements.map(element => element.href)")45    #     str=""46    #     string_format_href = str.join(hrefs_of_page)47    #     article_url.append(string_format_href)48    #     print('hrefs_of_page : ', string_format_href )49    #     dic = {}50    #     dic['Title','Description','Url'] = Title,Description,string_format_href51    #     list_dic.append(dic)52    #     print("\n")53    #   except:54    #     Title = "Not Found"55    #     print('Title : ', Title )56    #     print('Description : ', Description )57    #     print('hrefs_of_page : ', hrefs_of_page )58      ...

Playwright tutorial

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Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
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