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How to use wait_for_selector method in Playwright Python

Best Python code snippet using playwright-python

get-laurier-schedule.py

Source:get-laurier-schedule.py

...7import os8from dotenv import load_dotenv9load_dotenv()10# Find element with WebDriverWait to prevent flakinesss11def wait_for_selector(driver, selector, seconds=10):12    wait = WebDriverWait(driver, seconds)13    element = wait.until(14        EC.element_to_be_clickable((By.CSS_SELECTOR, selector))15    )16    return element17# Use selenium to get all the Laurier class info18# for the current term19def getClassSchedule(driver):20    driver.get("https://loris.wlu.ca/register/ssb/term/termSelection?mode=search")21    # Select desired term22    open_search = wait_for_selector(driver, "b[role='presentation']")23    open_search.click()24    search = wait_for_selector(driver, "input#s2id_autogen1_search")25    search.send_keys(os.getenv('LAURIER_TERM'))26    select = wait_for_selector(driver, ".select2-result-label div")27    select.click()28    go_button = wait_for_selector(driver, "button#term-go")29    go_button.click()30    # Select to search all Business courses31    search = wait_for_selector(driver, "#s2id_txt_subject input")32    search.click()33    search.send_keys("Business")34    correct_option = wait_for_selector(driver, ".select2-results .select2-result-label div")35    correct_option.click()36    go_button = wait_for_selector(driver, "button#search-go")37    go_button.click()38    # Scrape each class39    courses = {}40    page = 141    while True:42        tbody = wait_for_selector(driver, "tbody")43        wait_for_selector(tbody, "tr")44        class_rows = tbody.find_elements(By.CSS_SELECTOR, "tr")45        page += 146        for class_row in class_rows:47            class_data = {}48            class_data["term"] = wait_for_selector(driver, "h4.search-results-header").text.replace("Term: ", "")49            # Open details popup50            wait_for_selector(class_row, "a.section-details-link").click() 51            wrapper_div = wait_for_selector(driver, "#classDetailsContentDetailsDiv")52            class_data["classNumber"] = wait_for_selector(wrapper_div, "#courseReferenceNumber").text53            class_data["section"] = wait_for_selector(wrapper_div, "#sectionNumber").text54            class_data["campusLocation"] = wrapper_div.text.split("\n")[2].replace("Campus: ", "")55            # Prepend type to section number for clarity56            type = wrapper_div.text.split("\n")[3].replace("Schedule Type: ", "")57            class_data["section"] = type + " " + wait_for_selector(wrapper_div, "#sectionNumber").text58            # Get course code59            course_name = "BU" + wait_for_selector(wrapper_div, "#courseNumber").text60            # Meeting details section61            wait_for_selector(driver, "#facultyMeetingTimes").click()62            # Schedule63            try:64                side_divs = WebDriverWait(driver, 10).until(65                    EC.presence_of_all_elements_located((By.CSS_SELECTOR, ".right > div"))66                )67            except TimeoutException:68                side_divs = []69            if (len(side_divs) < 2):70                # The date information is not there71                class_data["time"] = "Unknown"72            else:73                days_text = wait_for_selector(74                    driver, ".right > div").text.replace("A", "").replace("P", "").replace("M", "").replace(" ", "")75                schedule_list = wait_for_selector(driver, "#classDetailsContentDiv ul")76                days = schedule_list.find_elements(By.CSS_SELECTOR, "li")77                for day in days:78                    if day.get_attribute("aria-checked") == "true":79                        days_text += day.get_attribute("data-abbreviation")80                class_data["time"] = days_text.replace("R", "Th")81            # Instructor82            class_data["instructor"] = wait_for_selector(83                driver, ".meeting-faculty").text.replace("Instructor:", "").strip(" ")84            # Location85            try:86                location = wait_for_selector(driver, ".right > div:nth-child(2)").text87                location_list = location.split("|")88                if len(location_list) == 3:89                    location = location_list[2].replace(" Room ", "")90            except TimeoutException:91                # The location information is not there92                location = "Unknown"93            class_data["room"] = location94            # Enrollment/Waitlist details section95            wait_for_selector(driver, "#enrollmentInfo").click()96            # Enrollment97            wait_for_selector(driver, "#classDetailsContentDetailsDiv span[dir='ltr']")98            spans = driver.find_elements(By.CSS_SELECTOR, "#classDetailsContentDetailsDiv span[dir='ltr']")99            class_data["enrolCap"] = spans[1].text100            class_data["enrolTotal"] = spans[0].text101            # Close details popup102            wait_for_selector(driver, ".ui-icon-closethick").click()103            # Add to course dictionary104            print(class_data)105            if course_name in courses:106                courses[course_name].append(class_data)107            else:108                courses[course_name] = [class_data]109        110        # Try to go to the next page and get all the rows again111        old_page_num = wait_for_selector(driver, ".page-number").get_attribute("value")112        try:113            print("Loading next page...")114            wait_for_selector(driver, "button[title='Next'].enabled").click()115        except TimeoutException:116            # No more next button117            print("No next page")118            print("All pages scraped")119            break120        # Make sure the page actually changed (takes time to load)121        try:122            WebDriverWait(driver, 10).until(123                lambda _: driver.find_element_by_css_selector(".page-number").get_attribute("value") != old_page_num)124        except StaleElementReferenceException:125            # Page changed before the value could be checked126            pass127        print(f"Loaded page {page}")128    return courses...

solver.py

Source:solver.py

...77    async def goto_page(self):78        await self.page.goto(self.pageurl,wait_until="commit")79        await self.page.wait_for_load_state("load")80    async def click_checkbox(self):81        checkbox = await self.checkbox_frame.wait_for_selector(82            "#recaptcha-anchor")83        await checkbox.click()84    async def get_frames(self):85        await self.page.wait_for_selector("iframe[src*=\"api2/anchor\"]",86            state='attached')87        self.checkbox_frame = next(frame for frame in self.page.frames 88            if "api2/anchor" in frame.url)89        await self.page.wait_for_selector("iframe[src*=\"api2/bframe\"]",90            state='attached')91        self.image_frame = next(frame for frame in self.page.frames 92            if "api2/bframe" in frame.url)93    async def click_audio_button(self):94        audio_button = await self.image_frame.wait_for_selector("#recaptcha-au"95            "dio-button")96        await audio_button.click()97    async def check_detection(self, timeout):98        timeout = time.time() + timeout99        while time.time() < timeout:100            content = await self.image_frame.content()101            if 'Try again later' in content:102                return 'detected'103            elif 'Press PLAY to listen' in content:104                return 'solve'105            else:106                result = await self.page.evaluate('document.getElementById("g-'107                    'recaptcha-response").value !== ""')108                if result:109                    return result110    async def solve_audio(self):111        await self.click_audio_button()112        while 1:113            if result == 'solve':114                play_button = await self.image_frame.wait_for_selector("#audio-source",115                    state="attached")116                audio_source = await play_button.evaluate("node => node.src")117                audio_data = await utils.get_page(audio_source, binary=True)118                tmpd = tempfile.mkdtemp()119                tmpf = os.path.join(tmpd, "audio.mp3")120                await utils.save_file(tmpf, data=audio_data, binary=True)121                audio_response = await utils.get_text(tmpf)122                audio_response_input = await self.image_frame.wait_for_selector("#audi"123                    "o-response", state="attached")124                await audio_response_input.fill(audio_response['text'])125                recaptcha_verify_button = await self.image_frame.wait_for_selector("#r"126                    "ecaptcha-verify-button", state="attached")127                await recaptcha_verify_button.click()128                shutil.rmtree(tmpd)129                result = await self.get_recaptcha_response()130                if result:131                    return result132            else:133                break134    async def solve_image(self):135        im = image.SolveImage(self.page, self.image_frame, net=self.net)136        await im.solve_by_image()137        result = await self.get_recaptcha_response()138        if result:139            return result...

test_helper.py

Source:test_helper.py

...5# Wait until an element with `result_selector` is available, and return that6# element.7def run_jupyter_cell(page, substr, result_selector, **kwargs):8    selector = f'pre[role="presentation"]:has-text("{substr}")'9    pre = page.wait_for_selector(selector)10    pre.click()11    cell = page.wait_for_selector(f'div.cell.selected:has({selector})')12    focus = cell.wait_for_selector('textarea')13    focus.scroll_into_view_if_needed()14    focus.press('Control+Enter')15    return cell, cell.wait_for_selector(result_selector, **kwargs)16def save(page):17    page.press('text=File', 'Control+S')18    page.wait_for_timeout(500)  # Wait 0.5 sec just be sure.19def restart_kernel(page):20    print('Restarting the ipython kernel ...')21    # Restart sometimes takes forever (including the next cell execution), so we22    # need huge timeout.23    page.set_default_timeout(10000)  # 10 sec.24    page.click('button.btn[title*="restart the kernel"]')25    page.wait_for_selector('text="Restart kernel?"')26    page.click('button:has-text("Restart")')  # Confirm.27    page.wait_for_selector('.kernel_idle_icon[id=kernel_indicator_icon]')28def get_center_coord(elem):29    box = elem.bounding_box()30    return box['x'] + box['width'] / 2, box['y'] + box['height'] / 231def get_center_coord1(page, selector):32    item = page.wait_for_selector(selector)33    if item is None: return None34    return get_center_coord(item)35# Hover mouse cursor at the given coordinate, verify that the tooltip's content36# matches the given condition, and return.37#38# TODO: Get timeout from command line argument?39def verify_tooltip(page, cell, coord_callback, verify_callback, timeout=2500):40    x, y = -999, -99941    T = time.time()42    while time.time() < T + timeout * 0.001:43        x1, y1 = coord_callback()44        if abs(x - x1) + abs(y - y1) > 1.0:45            # import datetime; print(datetime.datetime.now())46            # print(f'Moving cursor from {x} {y} to {x1} {y1}')47            x, y = x1, y148            page.mouse.move(x, y)49        # Just wait 100 ms, because element coordinates may change.50        try:51            tooltip = cell.wait_for_selector(52                'div.cr_tooltip', state='visible', timeout=100)53        except playwright.async_api.TimeoutError:54            continue55        content = tooltip.text_content()56        if verify_callback(content): return content57    # page.pause()58    raise TimeoutError59# Check the plot is functioning by hovering at the center of the plot and60# checking that we get the correct label.61def check_center_label(page, cell, label, **kwargs):62    def coord_cb():63        grid = cell.wait_for_selector('.cr_grid')64        grid.scroll_into_view_if_needed()65        return get_center_coord(grid)...

test_unit.py

Source:test_unit.py

...4    This test checks for selectors to download5    """6    page.goto("https://etf.dws.com/en-us/DBJP-msci-japan-hedged-equity-etf/")7    8    accept_button_1 = page.wait_for_selector("text=Accept and proceed")9    visible_accept_button_1 = accept_button_1.is_visible()10    assert visible_accept_button_111    12    page.click("text=Accept and proceed")13    14    role_type = page.wait_for_selector(".audience-selection__item-overlay")15    visible_role_type = role_type.is_visible()16    assert visible_role_type17    18    page.click(".audience-selection__item-overlay")19    20    accept_button_2 = page.wait_for_selector("text=Accept")21    visible_accept_button_2 = accept_button_2.is_visible()22    assert visible_accept_button_223    24    with page.expect_navigation():25        accept_button_2 = page.wait_for_selector("text=Accept")26        visible_accept_button_2 = accept_button_2.is_visible()27        assert visible_accept_button_228        29        page.click("text=Accept")30        31    download_button = page.wait_for_selector("text=Download Fund Holdings")32    visible_download_button = download_button.is_visible()33    assert visible_download_button34        35def test_unit_download(mocker):36    """37    This test checks for download functionality in a download function38    """39    page = mocker.MagicMock()40    download(page)41    page.goto.assert_called_with("https://etf.dws.com/en-us/DBJP-msci-japan-hedged-equity-etf/")42    calls = [mocker.call.click("text=Accept and proceed"),43              mocker.call.click(".audience-selection__item-overlay"),44              mocker.call.click("text=Accept"),45              mocker.call.click("text=Download Fund Holdings")]...

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