Python webdriver.PhantomJS類代碼示例

class Parser(object):

    def __init__(self):
        self.browser = PhantomJS()

    def cleanup(self):
        self.browser.quit()

def export(plot, filename, width=800, height=600):
    """
    Export plot to file.

    Args:
        plot (quorra.Plot): Quorra plot object to export.
        width (int): Width for plot (pixels).
        height (int): Height for plot (pixels).
        filename (str): Filename to export to.
    """
    global _phantom, __templates__, __cwd__
    if _phantom is None:
        from selenium.webdriver import PhantomJS
        _phantom = PhantomJS(service_log_path=os.path.devnull)
    tmpl = os.path.join(__templates__, 'export.html')
    exp = os.path.join(__cwd__, '.' + str(uuid.uuid1()) + '.html')
    try:
        with open(tmpl, 'r') as fi, open(exp, 'w') as fo:
            dat = fi.read()
            dat = dat.replace('var plot = undefined;', 'var plot = {};'.format(str(plot)))
            dat = dat.replace('width: 800px;', 'width: {}px;'.format(width))
            dat = dat.replace('height: 500px;', 'height: {}px;'.format(height))
            fo.write(dat)
        _phantom.get('file://' + exp)
        _phantom.save_screenshot(filename.replace('.png', '') + '.png')
    finally:
        if os.path.exists(exp):
            os.remove(exp)
    return

    def __init__(self):
        self.start_page = START_PAGE
        self.end_page = END_PAGE
        self.weixin_url = REFER_FIRST

        # self.driver = Firefox()
        if hasattr(config, 'PHANTOMJS_PATH'):
            self.driver = PhantomJS(executable_path=getattr(config, 'PHANTOMJS_PATH'))
        else:
            self.driver = PhantomJS()

class Crawler:
    def __init__(self, timeout=20, phantomjs_cfg_file='python-utils/config/phantomjs_cfg.json', use_cfg_file=False, proxy_pool_server='http://127.0.0.1:15110'):
        self.timeout = timeout
        if use_cfg_file:
            phantomjs_service_args = ['--config={}'.format(phantomjs_cfg_file)]
        else:
            _, proxy_type, proxy, proxy_auth = get_proxy(proxy_pool_server)
            phantomjs_service_args = [
                '--proxy-type={}'.format(proxy_type),
                '--proxy={}'.format(proxy),
                '--proxy-auth={}'.format(proxy_auth),
            ]

        self.driver = PhantomJS(
            desired_capabilities=self.new_desired_capabilities(),
            service_args=phantomjs_service_args)
        self.check_client_info()

    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        self.close()

    def close(self):
        self.driver.quit()

    @contextmanager
    def wait_for_page_load(self, old_element):
        yield
        WebDriverWait(self.driver, self.timeout).until(EC.staleness_of(old_element))

    def new_desired_capabilities(self, user_agent=default_ua):
        desired_capabilities = DesiredCapabilities.PHANTOMJS.copy()
        if not user_agent:
            user_agent = ua.random
        desired_capabilities["phantomjs.page.settings.userAgent"] = user_agent
        return desired_capabilities

    def check_client_info(self):
        url='http://www.whoishostingthis.com/tools/user-agent/'
        self.driver.get(url)
        ip_addr = get_xpath_element(self.driver, '//*[@id="user-agent"]/div[2]/span').text.strip()
        user_agent = get_xpath_element(self.driver, '//*[@id="user-agent"]/div[1]').text.strip()
        logger.info('IP: {}, User-Agent: {}'.format(ip_addr, user_agent))
        if self.wrong_ip(ip_addr):
            logger.error('Proxy not set correctly!')
            sys.exit(-1)

    def wrong_ip(self, ip_addr):
        if ip_addr.startswith('166.111.') or ip_addr.startswith('59.66.') or ip_addr.startswith('101.5.') or ip_addr.startswith('101.6.'):
            return True
        else:
            return False

def main():
    driver = PhantomJS()
    scraper = NLScraper(driver, year=2014)
    print(sys.argv[1])
    writer = unicodecsv.DictWriter(open(sys.argv[1], 'w'), ('amount', 'scheme', 'year',
        'country', 'currency', 'recipient_name', 'recipient_postcode',
        'recipient_id', 'recipient_location'))
    writer.writeheader()
    try:
        scraper.start(writer)
    finally:
        driver.quit()

    def __init__(self):
        self.start_page = START_PAGE
        self.end_page = END_PAGE
        self.weixin_url = REFER_FIRST

        # self.driver = Firefox()
        if hasattr(config, 'PHANTOMJS_PATH'):
            self.driver = PhantomJS(executable_path=getattr(config, 'PHANTOMJS_PATH'))
        else:
            self.driver = PhantomJS()

        self.client = MongoClient(HOST, PORT)
        self.collection = self.client[DB][COLLECTION]
        self.all_uids = self.uids

 def onegoogolePR(self, url):
     '''返回單個PR'''
     prUrl = 'http://pr.chinaz.com'  # 穀歌PR查詢地址
     driver = PhantomJS()
     driver.get(prUrl)
     driver.find_element_by_id('PRAddress').send_keys(url)
     driver.find_element_by_class_name('search-write-btn').click()
     try:
         imgsrc = driver.find_element_by_css_selector('span#pr>img').get_attribute('src')
         pr = search(r'\d', imgsrc).group()
     except:
         pr = '暫無數據'
     driver.quit()
     return pr

 def init_phantom(self):
     self.prefixfiles = os.path.join(
         scrapyd_config().get('logs_dir'),
         HYPHE_PROJECT,
         self.name,
         self.crawler.settings['JOBID']
     )
     self.log("Using path %s for PhantomJS crawl" % self.prefixfiles, log.INFO)
     phantom_args = []
     if PROXY and not PROXY.startswith(':'):
         phantom_args.append('--proxy=%s' % PROXY)
     phantom_args.append('--cookies-file=%s-phantomjs-cookie.txt' % self.prefixfiles)
     phantom_args.append('--ignore-ssl-errors=true')
     phantom_args.append('--load-images=false')
     self.capabilities = dict(DesiredCapabilities.PHANTOMJS)
     self.capabilities['phantomjs.page.settings.userAgent'] = self.user_agent
     self.capabilities['takesScreenshot'] = False
     self.capabilities['phantomjs.page.settings.javascriptCanCloseWindows'] = False
     self.capabilities['phantomjs.page.settings.javascriptCanOpenWindows'] = False
     self.phantom = PhantomJS(
         executable_path=PHANTOM['PATH'],
         service_args=phantom_args,
         desired_capabilities=self.capabilities,
         service_log_path="%s-phantomjs.log" % self.prefixfiles
     )
     self.phantom.implicitly_wait(10)
     self.phantom.set_page_load_timeout(60)
     self.phantom.set_script_timeout(self.ph_timeout + 15)

    def selenium(self, webdriverOption=0):
        """
        # 調用瀏覽器下載，適用於任何情形
        :return:
        """
        if not self.url[:4] == "http":
            return None

        driver = None
        if webdriverOption == 0:
            from selenium.webdriver import PhantomJS

            driver = PhantomJS()
        elif webdriverOption == 1:
            from selenium.webdriver import Chrome

            driver = Chrome()
        elif webdriverOption == 2:
            from selenium.webdriver import Firefox

            driver = Firefox()

        if not driver:
            print(u"-->DownLoader->Selenium driver初始化出錯，請檢查運行環境或webdriverOption選項")

        driver.get(self.url)
        src = driver.page_source
        driver.quit()
        self.pageSource = src
        return src

    def __init__(self):
        """
        Default constructor

        ARGS:
            None
        RETURNS:
            None
        """
        self.browser = PhantomJS(executable_path='./drivers/phantomjs',
                                 port=free_port())  # Optional argument, if not specified will search path.
        self.timeout = 5 # seconds

def catalog_url(url='http://www.meitun.com/'):
    # catalog_url is AJAX,use phantomJS
    driver = PhantomJS()
    driver.get(url)
    driver.maximize_window()
    mov_ele = driver.find_element_by_css_selector('.nav>ul>li:nth-child(1)')
    # the mouse move to the lazy layout element,and perform
    ActionChains(driver).move_to_element(mov_ele).perform()
    time.sleep(3)
    response = driver.page_source
    driver.quit()
    # use pyquery parser the page source,more quickly
    d = pq(response)
    return map(lambda x: 'http:' + pq(x).attr('href'), d.find('.cg-pdts a'))

    def setUp(self):
        self.driver = PhantomJS()

        self.user = User.objects.create_user('admin', '[email protected]', 'pass')
        self.user.save()

        self.provider = Provider(
            name='provider',
            user=self.user,
        )
        self.provider.save()

        self.provider_adverts = mommy.make(Advertisement, _quantity=20, provider=self.provider)

 def on_start_again(self, url):
     driver = PhantomJS()
     driver.get(url)
     time.sleep(2)
     driver.maximize_window()
     t = driver.find_element_by_css_selector('.page-txt').text
     res_t = []
     if t:
         t = int(t.split('/')[1][:-1]) - 1  # get the page count
         # the count of page turning should be i-1
         while t:
             t -= 1
             move_ele = driver.find_element_by_css_selector('#next')
             ActionChains(driver).move_to_element(move_ele).click()
             time.sleep(1)
             res_t.append(driver.page_source)
     driver.quit()
     for item in res_t:
         self.step_first(item)

def render(gist_id, commit):
    block_url = 'http://bl.ocks.org/' + gist_id
    d3_block_rec = {'gist_id': gist_id}
    try:
        driver = PhantomJS()
        driver.get(block_url)
        time.sleep(RENDER_DELAY)  # let it render
        fullpage_im = Image.open(BytesIO(driver.get_screenshot_as_png()))
        fimb = BytesIO()
        fullpage_im.save(fimb, 'png')
        d3_block_rec['fullpage_base64'] = base64.b64encode(fimb.getvalue())
        d3_block_rec['block_url'] = driver.current_url
    except Exception as e:
        # we got nothing
        with LittlePGer('dbname=' + DB_NAME, commit=commit) as pg:
            d3_block_rec['error'] = str(e)
            pg.insert('d3_block', values=d3_block_rec)
        exit(10)

    try:
        f = driver.find_element_by_xpath('//iframe')
        x, y = int(f.location['x']), int(f.location['y'])
        w, h = x + int(f.size['width']), y + int(f.size['height'])
        block_im = fullpage_im.crop((x, y, w, h))
        bimb = BytesIO()
        block_im.save(bimb, 'png')
        d3_block_rec['block_base64'] = base64.b64encode(bimb.getvalue())
        d3_block_rec['block_size'] = list(block_im.size)
    except Exception as e:
        # at least we got the fullpage im, save it
        with LittlePGer('dbname=' + DB_NAME, commit=commit) as pg:
            d3_block_rec['error'] = str(e)
            pg.insert('d3_block', values=d3_block_rec)
        exit(11)

    # all good, save everything
    with LittlePGer('dbname=' + DB_NAME, commit=commit) as pg:
        pg.insert('d3_block', values=d3_block_rec)

    def __init__(self, login, password, userAgent=LINUX_USER_AGENT):
        '''
        Constructor

        :param login:
        :param password:
        '''

        self.login = login
        self.password = password

        dcap = dict(DesiredCapabilities.PHANTOMJS)
        dcap["phantomjs.page.settings.userAgent"] = (
            userAgent
        )
        self.driver = PhantomJS(desired_capabilities=dcap)
        self.driver.set_window_size(1366, 768)