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How to use element_handles method in Playwright Python

Best Python code snippet using playwright-python

mb_api.py

Source:mb_api.py

1import os,sys2import getopt3import rpyc4import time5from collections import defaultdict6from shim_table import ShimTable7parentdir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))8elements_path = parentdir +"/pox/ext/slick/elements" 9sys.path.insert(0, elements_path)10from Logger.Logger import Logger11from Logger1.Logger1 import Logger112from TriggerAll.TriggerAll import TriggerAll13from DnsDpi.DnsDpi import DnsDpi14from P0f.P0f import P0f15from Drop.Drop import Drop16from Noop.Noop import Noop17from BloomFilter.BloomFilter import BloomFilter18from DelayBuffer.DelayBuffer import DelayBuffer19from Constant.Constant import Constant20from Compress.Compress import Compress21# Dummy22from Encrypt.Encrypt import Encrypt23from StatefulFirewall.StatefulFirewall import StatefulFirewall24from IDS.IDS import IDS25from LoadBalancer.LoadBalancer import LoadBalancer26from Less.Less import Less27from More.More import More28from Equal.Equal import Equal29"""30    These are the functions supported by the Shim  to the controller.31"""32class ClientService(rpyc.Service):33    def __init__(self, shim):34        self.fd_to_object_map = {}35        self.shim_table = ShimTable()36        # Need this handle for application to call trigger.37        self.shim = shim38    def on_connect(self):39        """code that runs when a connection is created40            (to init the serivce, if needed)41        """42        print "Connection from controller..."43    def on_disconnect(self):44        """Code that runs when the connection has already closed45            (to finalize the service, if needed)46        """47        print "Disconnection from controller..."48    def exposed_install_function(self, msg):49        """Function that calls the elements' init functions.50        Args:51            msg: Key:Value pairs from the Slick Controller.52        Returns:53            True/False54        """55        fds = msg["fd"]56        flow = msg["flow"]57        function_names = msg["function_name"]58        params_dicts = msg["params"]59        for i in range(0, len(fds)):60            fd = fds[i]61            function_name = function_names[i]62            params_dict = params_dicts[i]63            function_handle = None64            # from Logger.Logger import Logger65            package_name = function_name +'.'+function_name66            class_name = function_name67            elem_class = sys.modules[package_name].__dict__[class_name]68            elem_instance = elem_class( self.shim, fd )69            elem_instance.init(params_dict)70            try:71                if(isinstance(flow['nw_src'], unicode)): #BAD HACK72                    flow['nw_src'] = flow['nw_src'].encode('ascii', 'replace')73                self.shim_table.add_flow(0, flow, fd) #Update flow to fd mapping.74                # This is just for reference.75                self.fd_to_object_map[fd] = elem_instance76                reverse_flow = self.shim.get_reverse_flow(flow)77                self.shim_table.add_flow(0, reverse_flow, fd)78            except Exception:79                print "WARNING: Unable to create handle for the function", function_name ,"with function descriptor", fd80                self._cleanup_failed_install(fds, flow)81                return False82        return True83    def _cleanup_failed_install(self, eds, flow):84        for ed in eds:85            del self.fd_to_object_map[ed]86        del self.flow_to_fd_map[flow]87    def exposed_configure_function(self, msg):88        """Calls element's configure function based on element descriptor.89        Args:90            msg: Key:Value pairs from the Slick Controller.91        Returns:92            True/False93        """94        fd = int(msg["fd"])95        params = msg["params"]96        # Call the respective configure function.97        if(self.fd_to_object_map.has_key(fd)):98            self.fd_to_object_map[fd].configure(params)99            return True100        else:101            return False102    def exposed_stop_function(self, msg):103        """Stop the pid. Kill the process. Remove executables. Remove Logic104        """105        fd = int(msg["fd"])106        if(self.fd_to_object_map[fd].shutdown()):107            # We need process killing wrappers or garbage collectors.108            # A process sets up particular resources.109            del self.fd_to_object_map[fd]110            return True111    def raise_trigger(self, trigger_message):112        trigger_message["type"]= "trigger" #Adding flag for the controller to identify the trigger message113        self.shim.client.send_data_basic(trigger_message)114    def fwd_pkt(self, packets):115        """An array of bufs"""116        for packet in packets:117            self.shim.forward_data_sock.send(packet)118    def fwd_pkt_old(self, packet):119        self.shim.forward_data_sock.send(packet)120    def get_function_handles_from_flow(self, flow):121        """Return the objects for the flow.122        """123        element_handles = [ ]124        fds = self.shim_table.lookup_flow(flow) #Update flow to fd mapping.125        if fds: # A flow is not installed yet126            for fd in fds:127                if(fd != None):128                    if not (self.fd_to_object_map.has_key(fd)):129                        # If not a single handle is found for an element descriptor130                        # invalidate the service chain.131                        return None132                    else:133                        element_handles.append(self.fd_to_object_map[fd])134            return element_handles135class ShimResources(object):136    """Place it as an element in front of the chain."""137    def __init__(self, shim):138        self.shim = shim139        self.cpu_percentage = 0140        self.mem_percentage = 0141        self.trigger_time = 0142        self.max_flows = 1143        self.trigger_interval = 500 # seconds144    def calc_triggers(self, flow):145        active_flows = self.shim.get_active_flows()146        trigger_msg = { }147        if active_flows >= self.max_flows:148            cur_time = time.time()149            if (cur_time - self.trigger_time) > self.trigger_interval:150                trigger_msg = {"ed" : 0, "mac" : self.shim.mac, "max_flows" : True}151                self.shim.client_service.raise_trigger(trigger_msg)152                self.trigger_time = time.time()153def usage():154    pass155def start_rpyc(port):156    from rpyc.utils.server import ThreadedServer157    t = ThreadedServer(ClientService, port = 18861)158    t.start()159def main(argv):160    DEFAULT_PORT = 18861161    #Parse options and arguments162    port = None163    mode =None164    try:165        opts, args = getopt.getopt(sys.argv[1:], "hsp:m:", ["help", "start", "port", "mode="])166    except getopt.GetoptError, err:167        print "Option error!"168        print str(err)169        sys.exit(2)170    for opt, arg in opts:171        if opt in ("-h", "--help"):172            usage()173            sys.exit()174        elif opt in ("-s", "--start"):175            start_rpyc(port)176        elif opt in ("-p", "--port"):177            port = arg178            print "Connecting on the port:", port179        elif opt in ("-m", "--mode"):180            mode = str(arg)181            print "starting shim in the mode: ", mode182    if(not port):183        print "Setting default values."184        port = DEFAULT_PORT 185    start_rpyc(port)186if __name__ == "__main__":...

plot.py

Source:plot.py

1import numpy as np2import matplotlib.pyplot as plt3import matplotlib4from mpl_toolkits.mplot3d import Axes3D5import copy as cp6def equal_3d(ax=plt.gca()):7    x_lims = np.array(ax.get_xlim())8    y_lims = np.array(ax.get_ylim())9    z_lims = np.array(ax.get_zlim())10    x_range = np.diff(x_lims)11    y_range = np.diff(y_lims)12    z_range = np.diff(z_lims)13    max_range = np.max([x_range,y_range,z_range])/214    ax.set_xlim(np.mean(x_lims) - max_range, np.mean(x_lims) + max_range)15    ax.set_ylim(np.mean(y_lims) - max_range, np.mean(y_lims) + max_range)16    ax.set_zlim(np.mean(z_lims) - max_range, np.mean(z_lims) + max_range)17    # ax.set_aspect(1)18    19    return ax20def plot_transformation_mats(x, y, z, T, figno=None, ax=None, scaling='auto', show_legend=False):21    if ax==None:22        fig = plt.figure(figno)23        ax = fig.add_subplot(111, projection='3d')24    # ax.scatter(x,y,z,'.k')25    if scaling=='auto':26        xr = max(x)-min(x)27        yr = max(y)-min(y)28        zr = max(z)-min(z)29        r = np.sqrt(xr**2+yr**2+zr**2)30        scaling = 0.005*r31    compcolors = ['tab:red', 'tab:blue', 'tab:green']32    h = [None]*333    for ix, Ti in enumerate(T):34        xi = x[ix]35        yi = y[ix]36        zi = z[ix]37        38        for comp in range(0,3):39            xunit = [xi, xi+Ti[comp,0]*scaling]40            yunit = [yi, yi+Ti[comp,1]*scaling]41            zunit = [zi, zi+Ti[comp,2]*scaling]42            h[comp] = plt.plot(xs=xunit, ys=yunit, zs=zunit, color=compcolors[comp])[0]43    if show_legend:44        plt.legend(h,['x', 'y', 'z'])45    ax.set_xlabel('x')46    ax.set_ylabel('y')47    ax.set_zlabel('z')48    equal_3d(ax)49    return ax,h50def plot_elements_from_matrices(element_matrix, node_matrix, chosen_nodes_ix=[], disp=None, node_labels=False, element_labels=False, nodes=True, elements=True, ax=None, fig=None, element_settings={}, node_settings={}, node_label_settings={}, chosen_node_settings={}, disp_settings={}, element_label_settings={}, three_d=True, transformation_mats=None, tmat_scaling='auto'):51    e_dict = {'color': 'DarkGreen', 'alpha': 1}52    e_dict.update(**element_settings)53    n_dict = {'color':'Black', 'linestyle':'', 'marker':'.', 'markersize':4, 'alpha':0.8}54    n_dict.update(**node_settings)55       56    n_chosen_dict = {'color':'GreenYellow', 'linestyle':'', 'marker':'o', 'markersize':8, 'alpha':1, 'markeredgecolor':'dimgray'}57    n_chosen_dict.update(**chosen_node_settings)58    59    disp_dict = {'color':'IndianRed', 'alpha':1}60    disp_dict.update(**disp_settings)61    l_nodes_dict = {'color':'Black', 'fontsize': 8, 'fontweight':'normal'}62    l_nodes_dict.update(**node_label_settings)63    64    l_elements_dict = {'color':'LimeGreen', 'fontsize': 8, 'fontweight':'bold', 'style':'italic'}65    l_elements_dict.update(**element_label_settings)66    67    if ax is None and fig is None:68        fig = plt.figure()69        70    if ax == None and three_d:71        ax = fig.gca(projection='3d')72    elif ax == None:73        ax = fig.gca()74    elif three_d:75        176        # ax.set(projection='3d')  #mangler funksjonalitet her...77    78    element_handles = [None]*len(element_matrix[:,0])79    if elements:80        if transformation_mats is not None:81            xm = np.zeros([len(element_matrix[:,0]), 3])82            83        for element_ix, __ in enumerate(element_matrix[:,0]):84            node1 = element_matrix[element_ix, 1]85            node2 = element_matrix[element_ix, 2]86            nodeix1 = np.where(node_matrix[:,0]==node1)[0]87            nodeix2 = np.where(node_matrix[:,0]==node2)[0]88            x01 = node_matrix[nodeix1,1:4]89            x02 = node_matrix[nodeix2,1:4]90            x0 = np.vstack([x01,x02])91            if transformation_mats is not None:92                xm[element_ix, :] = np.mean(x0, axis=0)93            if three_d:94                element_handles[element_ix] = ax.plot(xs=x0[:,0], ys=x0[:,1], zs=x0[:,2], **e_dict)95            else:96                element_handles[element_ix] = ax.plot(x0[:,0], x0[:,1], **e_dict)97  98            if element_labels:99                xmean = np.mean(x0, axis=0)100                if three_d:101                    ax.text(xmean[0],xmean[1],xmean[2],'%i' % element_matrix[element_ix,0], **l_elements_dict)102                else:103                    ax.text(xmean[0],xmean[1],s='%i' % element_matrix[element_ix,0], **l_elements_dict)104                105            if disp is not None:106                disp_node1 = disp[nodeix1[0]*6:(nodeix1[0]*6+6)]107                disp_node2 = disp[nodeix2[0]*6:(nodeix2[0]*6+6)]108                x1 = x01+disp_node1[0:3]109                x2 = x02+disp_node2[0:3]110                x = np.vstack([x1,x2])111                112                if three_d:113                    ax.plot(xs=x[:,0], ys=x[:,1], zs=x[:,2], **disp_dict)114                else:115                    ax.plot(x[:,0], x[:,1], **disp_dict)116    if transformation_mats is not None:117        plot_transformation_mats(xm[:, 0], xm[:, 1], xm[:, 2], transformation_mats, ax=ax, scaling=tmat_scaling, show_legend=True)118    if nodes:119        if three_d:120            ax.plot(xs=node_matrix[:, 1], ys=node_matrix[:, 2], zs=node_matrix[:, 3], **n_dict)121        else:122           ax.plot(node_matrix[:, 1], node_matrix[:, 2], **n_dict)123        124        if chosen_nodes_ix != []:125            if three_d:126                ax.plot(xs=node_matrix[chosen_nodes_ix, 1], ys=node_matrix[chosen_nodes_ix, 2], zs=node_matrix[chosen_nodes_ix, 3], **n_chosen_dict)127            else:128               ax.plot(node_matrix[chosen_nodes_ix, 1], node_matrix[chosen_nodes_ix, 2], **n_chosen_dict)129        130    if node_labels:131        if three_d:132            for node_ix in range(0, np.shape(node_matrix)[0]):133                ax.text(node_matrix[node_ix, 1], node_matrix[node_ix, 2], node_matrix[node_ix, 3], '%i' % node_matrix[node_ix, 0], **l_nodes_dict)134        else:135            for node_ix in range(0, np.shape(node_matrix)[0]):136                ax.text(node_matrix[node_ix, 1], node_matrix[node_ix, 2], '%i' % node_matrix[node_ix, 0], **l_nodes_dict)137        138    if three_d:139        equal_3d(ax)140    else:141        ax.set_aspect('equal', adjustable='box')142    143    ax.grid('off')144    return ax, element_handles145def figsave(name, w=16, h=10, fig=None, maketight=True, fileformat='png'):146    if fig is None:147        fig = plt.gcf()148    fig.set_figwidth(w/2.54), fig.set_figheight(h/2.54)149    if maketight:150        fig.tight_layout()...

main.py

Source:main.py

1import os2import re3import sys4import time5import yaml6import asyncio7import smtplib8import requests9import schedule10from pathlib import Path11from datetime import datetime12from bs4 import BeautifulSoup13from email.message import EmailMessage14from pyppeteer import launch15from LinkObject import LinkObject16def read_config():17    if not os.path.exists(os.path.join('config', 'config.yaml')):18        print('config file not found! please provide config.yaml')19        sys.exit(1)20    with open(os.path.join('config', 'config.yaml')) as file:21        config = yaml.safe_load(file.read())22        return config23def send_html_mail(msg, username, password, to_username):24    current_date = datetime.now().date()25    port = 58726    account = username27    password = password28    email = EmailMessage()29    email['Subject'] = f'{current_date} houses for rental'30    email['From'] = account31    email['To'] = to_username32    email.set_content(msg, subtype='html')33    with smtplib.SMTP('smtp.office365.com', port) as server:34        server.starttls()35        server.ehlo()36        server.login(account, password)37        server.send_message(email)38async def scroll_to_bottom(page):39        await page.evaluate('''40            var intervalID = setInterval(function() {41                var scrollingElement = (document.scrollingElement || document.body);42                scrollingElement.scrollTop = scrollingElement.scrollHeight;43            }, 200);44        ''')45        prev_height = None46        while True:47            curr_height = await page.evaluate('(window.innerHeight + window.scrollY)')48            if not prev_height:49                prev_height = curr_height50                time.sleep(1)51            elif prev_height == curr_height:52                await page.evaluate('clearInterval(intervalID)')53                break54            else:55                prev_height = curr_height56                time.sleep(1)57async def fetch_contents(page):58    page.waitForSelector('#rent-list-app > div > div.list-container-content > div > section.vue-list-rent-content')59    element_handles = await page.JJ('#rent-list-app > div > div.list-container-content > div > section.vue-list-rent-content')60    result = []61    for handle in element_handles:62        inner_html = await (await handle.getProperty('innerHTML')).jsonValue()63        soup = BeautifulSoup(inner_html, 'html.parser')64        individual_items = soup.find_all('section', 'vue-list-rent-item')65        for item in individual_items:66            link_obj = LinkObject()67            a_link = item.find('a')68            link_obj.link = a_link['href']69            title_tag = item.find('div', 'item-title')70            link_obj.title = title_tag.text71            price_tag = item.find('div', 'item-price-text')72            link_obj.price = price_tag.text73            price_tag_int = int(re.sub(r'\W', '', price_tag.text)[:-2])74            link_obj.price_int = price_tag_int75            photos = item.find('ul', 'carousel-list')76            link_obj.photos = []77            imgs = photos.find_all(lambda tag: tag.has_attr('data-original'))78            for img in imgs:79                link_obj.photos.append(img['data-original'])80            result.append(link_obj)81    return result82async def scrap_591_and_send_html_mail():83    base_url = 'https://rent.591.com.tw'84    config = read_config()85    86    browser = await launch(headless=True, handleSIGINT=False, handleSIGTERM=False, handleSIGHUP=False)87    page = await browser.newPage()88    await page.goto(base_url)89    # rent range start90    page.waitForSelector('#rent-list-app > div > div.vue-filter-container > section:nth-child(3) > ul > li.filter-item-input > div > input:nth-child(1)')91    await page.type('#rent-list-app > div > div.vue-filter-container > section:nth-child(3) > ul > li.filter-item-input > div > input:nth-child(1)', str(config['range-start']))92    page.waitForSelector('#rent-list-app > div > div.vue-filter-container > section:nth-child(3) > ul > li.filter-item-input > div > input:nth-child(3)')93    await page.type('#rent-list-app > div > div.vue-filter-container > section:nth-child(3) > ul > li.filter-item-input > div > input:nth-child(3)', str(config['range-end']))94    page.waitForSelector('#rent-list-app > div > div.vue-filter-container > section:nth-child(3) > ul > li.filter-item-input > div > button')95    await page.click('#rent-list-app > div > div.vue-filter-container > section:nth-child(3) > ul > li.filter-item-input > div > button')96    # scroll to bottom to trigger javascript load97    # fetch first 3 pages98    total_results = []99    element_count = config['element-count']100    while len(total_results) < element_count:101        page.waitFor(3000)102        await scroll_to_bottom(page)103    104        # content list105        page_contents = await fetch_contents(page)106        page_contents = list(filter(lambda x: x.price_int <= config['range-end'], page_contents))107        total_results.extend(page_contents)108        # next page109        page.waitForSelector('#rent-list-app > div > div.list-container-content > div > section.vue-public-list-page > div > a.pageNext')110        await page.click('#rent-list-app > div > div.list-container-content > div > section.vue-public-list-page > div > a.pageNext')111    112    total_results = list(map(lambda x: x.to_html(), total_results))113    send_html_mail('\n'.join(total_results), config['email']['from']['username'], config['email']['from']['password'], ', '.join(config['email']['to']['username']))114def wrapper_func():115    print('running function...')116    print(f'{datetime.now()}')117    # asyncio.set_event_loop(asyncio.SelectorEventLoop())118    asyncio.get_event_loop().run_until_complete(scrap_591_and_send_html_mail())119    print(f'function complete: {datetime.now()}')120def main():121    print('start 591 scrap bot...')122    schedule.every().day.at('05:00').do(wrapper_func)123    while True:124        schedule.run_pending()125        time.sleep(1)126    # asyncio.get_event_loop().run_until_complete(scrap_591_and_send_html_mail())127        128if __name__ == '__main__':...

folder.py

Source:folder.py

...47        for folder in self.__subfolders:48            folder.parent = self49    def __get_files(self):50        els = self.__page.locator(51            '.ef-directory .ef-item-row').element_handles()52        for el in els:53            size = el.query_selector('.ef-size-col').inner_text()54            if size != '--':55                # is file56                self.__files.append(File(self.__page, self, el))57    def __goto(self):58        with self.__page.expect_navigation():59            self.__page.locator(f'[data-id="{self.__id}"] > a').click()60    def walk(self):61        with self.__page.expect_navigation(wait_until='networkidle'):62            self.__goto()63            time.sleep(0.5)64        self.__get_files()65        for file in self.__files:...

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
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.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.