Exemple #1
0
class SchoolMint(WebUIDataSource, LoggingMixin):
    """ Class for interacting with SchoolMint
    """
    def __init__(self,
                 username,
                 password,
                 wait_time,
                 hostname,
                 temp_folder_path,
                 headless=False):
        # try:
        #     self.logger = logging.getLogger('sps-automation.data_sources.schoolmint.Schoolmint')
        # except AttributeError:
        #     self.log
        super().__init__(username, password, wait_time, hostname,
                         temp_folder_path, headless)
        self.uri_scheme = 'https://'
        self.base_url = self.uri_scheme + self.hostname

    def _login(self):
        """ Logs into the provided SchoolMint instance.
        """
        # 2019-01-16 SchoolMint seems to be having some issues with loading the login screen recently,
        # so we'll add a retry here
        count = 0
        while count < NUMBER_OF_RETRIES:
            self.log.debug('Logging into SchoolMint at, try {}: {}'.format(
                count, self.base_url))
            self.driver.get(self.base_url + "/signin")
            # wait until login form available
            try:
                elem = WebDriverWait(self.driver, self.wait_time).until(
                    EC.presence_of_element_located((By.ID, 'login')))
                elem.clear()
                elem.send_keys(self.username)
                elem = self.driver.find_element_by_id("password")
                elem.send_keys(self.password)
                elem.send_keys(Keys.RETURN)
                break
            except ElementNotVisibleException:
                count += 1

        # check that login succeeded by looking for the 'Student search' box
        try:
            elem = WebDriverWait(self.driver, self.wait_time).until(
                EC.presence_of_element_located((By.ID, 'student-lookup')))
        except TimeoutException:
            self.driver.close()
            raise InvalidLoginCredentials

        # wait for the page to fully load - the walk-me player is the last thing, but since it's a third
        # party add-on we'll wait for the filters on the application index first
        WebDriverWait(self.driver, self.wait_time).until(
            EC.presence_of_element_located((By.CLASS_NAME, 'report-filters')))
        # now we'll wait for the walk "Walk Me Through" overlay in the bottom right
        try:
            WebDriverWait(self.driver, self.wait_time).until(
                EC.presence_of_element_located((By.ID, 'walkme-player')))
        except TimeoutException:
            pass

        # deal with the walk_me announcement pop-ups overlays
        try:
            elem = WebDriverWait(self.driver,
                                 WALKME_AND_SUPPORT_TIMEOUT).until(
                                     EC.presence_of_element_located(
                                         (By.CLASS_NAME, 'wm-shoutout')))
            self.driver.execute_script(
                """var elem=arguments[0];elem.parentNode.removeChild(elem);""",
                elem)
            elem = self.driver.find_element_by_id('walkme-overlay-all')
            self.driver.execute_script(
                """var elem=arguments[0];elem.parentNode.removeChild(elem);""",
                elem)
        except TimeoutException:
            self.log.debug('No wm-shoutout found')

    def __remove_walk_me_and_support(self):
        """Removes two third party overlays that can block buttons that selenium needs to click."""
        self.log.info('Removing "Walk-Me" and "Support" overlays.')
        walkme = True
        # wait for walk-me to load
        try:
            WebDriverWait(self.driver, self.wait_time).until(
                EC.presence_of_element_located((By.ID, 'walkme-player')))
        except TimeoutException:
            self.log.info('Probably no Walk-Me found')
            walkme = False

        if walkme:
            self.log.debug('Removing "Walk Me" overlay.')
            try:
                for id in ['walkme-player', 'walkme-overlay-all']:
                    elem = WebDriverWait(self.driver,
                                         WALKME_AND_SUPPORT_TIMEOUT).until(
                                             EC.presence_of_element_located(
                                                 (By.ID, id)))
                    self.driver.execute_script(
                        """var elem=arguments[0];elem.parentNode.removeChild(elem);""",
                        elem)
                self.log.debug('Success')
                self.log.debug('Removing "Walk Me" bouncing overlay.')
                try:
                    elem = self.driver.find_element_by_id('walkme-attengrab')
                    self.driver.execute_script(
                        """var elem=arguments[0];elem.parentNode.removeChild(elem);""",
                        elem)
                    self.log.debug('Success')
                except NoSuchElementException:
                    self.log.debug('No "Walk Me" bouncing overlay found.')
            except TimeoutException:
                self.log.debug('No "Walk Me" overlay found.')

            # remove "Homeroom" announcement
            self.log.debug('Removing "Homeroom" and other wm-shoutout modals.')
            try:
                elem = WebDriverWait(
                    self.driver, WALKME_AND_SUPPORT_TIMEOUT
                ).until(
                    # it turns out that the id can have numbers at the end (e.g. wm-shoutout-141590), so we need XPATH
                    EC.presence_of_element_located(
                        (By.XPATH, "//*[starts-with(@id, 'wm-shoutout')]")))
                self.driver.execute_script(
                    """var elem=arguments[0];elem.parentNode.removeChild(elem);""",
                    elem)
                self.log.debug('Success')
            except TimeoutException:
                self.log.debug(
                    'No "Homeroom" or other wm-shoutout modals found.')

        # remove 'Support' button
        self.log.debug('Trying to remove "Support" overlay.')
        try:
            elem = WebDriverWait(self.driver,
                                 WALKME_AND_SUPPORT_TIMEOUT).until(
                                     EC.presence_of_element_located(
                                         (By.ID, 'launcher')))
            self.driver.execute_script(
                """var elem=arguments[0];elem.parentNode.removeChild(elem);""",
                elem)
            self.log.debug('Success')
        except TimeoutException:
            self.log.debug('No "Support" overlay found.')
            pass

    def _set_year(self, school_year, driver=None):
        """Sets the year for the SchoolMint interface.

        Args:
            school_year (string): The school year that should be selected. Use the format shown in the
                SchoolMint interface. Example: '2016-2017'

        :return: True if function succeeds
        """
        self.log.debug('Changing school year to: {}'.format(school_year))
        if not driver:
            self.driver = configure_selenium_chrome()
            self._login()

        # open the year selector menu
        elem = self.driver.find_element_by_xpath(
            "//a[contains(@class,'dropdown-toggle enrollment')]")
        elem.click()

        # select the appropriate year
        try:
            year_xpath = "//*[@id='enrollment-selector']//a[contains(text(),'{}')]".format(
                school_year)
            elem = self.driver.find_element_by_xpath(year_xpath)
            elem.click()
        except NoSuchElementException as e:
            self.driver.save_screenshot('cannot_find_year.png')
            message = (' Check that the school_year variable is valid. '
                       'Passed value for school_year: {}').format(school_year)

            raise_with_traceback(type(e)(str(e) + message))

        # wait for the page to be ready again
        self.driver.get(self.base_url)
        WebDriverWait(self.driver, self.wait_time).until(
            EC.presence_of_element_located((By.ID, 'student-lookup')))

        if not driver:
            self.driver.close()

        return True

    def check_school_year(self, school_year):
        """Checks that the school year is set as expected in the UI."""
        elem = self.driver.find_element_by_xpath(
            "//a[contains(@class,'dropdown-toggle enrollment')]/span[contains(@class,'current')]"
        )
        if school_year in elem.text:
            return True
        else:
            return False

    def download_url_report(self,
                            report_url,
                            school_year,
                            temp_folder_name=None,
                            pandas_read_csv_kwargs={}):
        """ Downloads a SchoolMint data-stream-table report.

        Args:
            report_url (string): Information pertaining to the path and query
                string for the report whose access is desired. Any filtering
                that can be done with a stateful URL should be included.
            school_year (string): The SchoolMint school year to download from (e.g. '2018-2019')
            temp_folder_name (string): The name for a sub-directory in which the files from the
                browser will be temporarily stored. If this directory does not exist, it will be
                created. NOTE: This sub-directory will be
            pandas_read_csv_kwargs: additional arguments to pass to Pandas read_csv

        Returns: A Pandas DataFrame of the report contents.
        """
        if temp_folder_name:
            csv_download_folder_path = self.temp_folder_path + '/' + temp_folder_name
        else:
            csv_download_folder_path = mkdtemp(dir=self.temp_folder_path)

        # set up the driver for execution
        self.driver = DriverBuilder().get_driver(csv_download_folder_path,
                                                 self.headless)
        self._login()
        self._set_year(school_year, self.driver)

        # get the report url
        self.driver.get(interpret_report_url(self.base_url, report_url))
        self.__remove_walk_me_and_support()

        # wait until we have rows in the stream data table before starting to
        # look for results
        elem = WebDriverWait(self.driver, self.wait_time).until(
            EC.presence_of_element_located(
                (By.XPATH, "//*[@id='stream-table']/tbody/tr[1]/td[1]")))

        if not self.check_school_year(school_year):
            raise ReportNotFound(
                "Wrong school detected prior to clicking generate.")

        self.log.debug('Waiting for report-data-summary to load')
        # wait until the stream table is fully loaded before downloading
        prev_data_summary_elem = self.driver.find_element_by_id(
            'report-data-summary').text
        # print(prev_data_summary_elem)
        time.sleep(1)
        # we use the following count as a proxy for time elapsed, so we can
        # use the class's wait_time as the number of retries
        count = 0
        while True:
            # check id=report-data-summary
            report_data_summary_elem = self.driver.find_element_by_id(
                'report-data-summary').text

            # if it matches, wait a little longer and double deck that it hasn't changed
            if prev_data_summary_elem == report_data_summary_elem:
                time.sleep(3)
                count += 3
                report_data_summary_elem = self.driver.find_element_by_id(
                    'report-data-summary').text
                if prev_data_summary_elem == report_data_summary_elem:
                    break
            prev_data_summary_elem = report_data_summary_elem
            time.sleep(1)

            count += 1
            if count >= self.wait_time:
                raise TimeoutError(
                    'SchoolMint Report Data never did not fully load within %d'
                    % self.wait_time)

        # click the button to download the report
        self.log.debug('Starting download...')
        elem = self.driver.find_element_by_class_name("export-table")
        elem.click()

        # wait until file has downloaded to close the browser. We can do this
        # because we delete the file before we return it, so the temp dir should
        # always be empty when this command is run
        wait_for_any_file_in_folder(csv_download_folder_path, "csv")

        self.log.debug('Download finished.')
        report_df = pd.read_csv(
            get_most_recent_file_in_dir(csv_download_folder_path),
            encoding=SCHOOLMINT_DEFAULT_EXPORT_ENCODING,
            **pandas_read_csv_kwargs)

        # TODO: move this out of this function. It should happen as cleanup once
        # the whole DAG has completed
        #delete_folder_contents(csv_download_folder_path)
        shutil.rmtree(csv_download_folder_path)

        # close the driver for this task
        self.driver.close()

        # if the dataframe is empty (the report had no data), raise an error
        if report_df.shape[0] == 0:
            #delete_folder_contents(csv_download_folder_path)
            shutil.rmtree(csv_download_folder_path)
            raise ValueError('No data in report for user {} at url: {}'.format(
                self.username, interpret_report_url(self.base_url,
                                                    report_url)))

        return report_df

    def __get_number_of_pages(self):
        """Get the number of pages in a SchoolMint pagination."""
        total_num_pages_xpath = '//*[@id="content"]//*[@class="pagination "]/li[@data-page][last()]'

        elem = WebDriverWait(self.driver, self.wait_time).until(
            EC.presence_of_element_located((By.XPATH, total_num_pages_xpath)))

        num_pages = int(elem.get_attribute("data-page")) + 1

        return num_pages

    def __navigate_to_custom_report(self,
                                    report_name,
                                    school_year,
                                    download_folder_path=None):
        """Navigate to the page of the custom report tool that has the custom report on it"""
        if not download_folder_path:
            download_folder_path = self.temp_folder_path
        self.driver = DriverBuilder().get_driver(
            download_location=download_folder_path, headless=self.headless)
        self._login()
        self._set_year(school_year, self.driver)

        # get the custom reports page
        custom_reports_url = 'report/customReports'
        self.driver.get(interpret_report_url(self.base_url,
                                             custom_reports_url))
        self.__remove_walk_me_and_support()

        # wait for the page to load and get the maximum number of pages
        total_num_pages_xpath = '//*[@id="content"]//*[@class="pagination "]/li[@data-page][last()]'

        elem = WebDriverWait(self.driver, self.wait_time).until(
            EC.presence_of_element_located((By.XPATH, total_num_pages_xpath)))

        num_pages = int(elem.get_attribute("data-page")) + 1

        current_page = 0
        while current_page < num_pages:
            report_name_xpath = "//tr[td//text()[contains(., '{}')]]".format(
                report_name)

            try:
                elem = self.driver.find_element_by_xpath(report_name_xpath)
                return current_page
            except NoSuchElementException:
                current_page += 1
                if current_page < num_pages:
                    next_page_xpath = '//*[@id="content"]//*[@class="pagination "]/li[@data-page={}]/a'.format(
                        current_page)
                    self.driver.find_element_by_xpath(next_page_xpath).click()

                    # scroll back to the top of the page, prevents selenium clicking errors
                    self.driver.execute_script("window.scrollTo(0, 0);")

        raise ReportNotFound

    def generate_custom_report(self, report_name, school_year):
        """
        Clicks the generate button on a SchoolMint custom report.
        :param report_name: The name of the report exactly as it is shown in the SchoolMint UI
        :param school_year: The year in SchoolMint. Should be formatted as shown in the UI
            (e.g. '2018-2019')
        :return: True if the button was clicked. False if the button was not clicked because
            the report is generating.
        """
        self.__navigate_to_custom_report(report_name, school_year)

        if not self.check_school_year(school_year):
            raise ReportNotFound(
                "Wrong school detected prior to clicking generate.")

        generate_report_button_xpath = GENERATE_REPORT_BUTTON_XPATH.format(
            report_name=report_name)
        try:
            generate_report_button = WebDriverWait(
                self.driver, self.wait_time).until(
                    EC.presence_of_element_located(
                        (By.XPATH, generate_report_button_xpath)))
        except NoSuchElementException:
            raise ReportNotFound

        if generate_report_button.text == 'Generate Report':
            generate_report_button.click()
            self.driver.close()

            return True
        elif generate_report_button.text == 'Report in Progress':
            self.driver.close()

            return False
        else:
            raise ValueError("Unknown 'Generate Report' button text found")

    def is_custom_report_generating(self, report_name, school_year):
        """Checks if a SchoolMint Custom Report is generating or not"""
        self.__navigate_to_custom_report(report_name, school_year)

        generate_report_button_xpath = GENERATE_REPORT_BUTTON_XPATH.format(
            report_name=report_name)
        try:
            generate_report_button = WebDriverWait(
                self.driver, self.wait_time).until(
                    EC.presence_of_element_located(
                        (By.XPATH, generate_report_button_xpath)))
        except NoSuchElementException:
            raise ReportNotFound

        if generate_report_button.text == 'Report in Progress':
            return True
        elif generate_report_button.text == 'Generate Report':
            return False
        else:
            raise ValueError("Unknown 'Generate Report' button text found")

    def get_last_custom_report_generation_datetime(self, report_name,
                                                   school_year):
        """Get's a report's generation timestamp in raw text"""
        self.__navigate_to_custom_report(report_name, school_year)

        try:
            # old custom reports interface
            report_generated_on_xpath = (
                "//tr[td[./text()='{}']]/td[4]").format(report_name)
            report_generated_on_text = WebDriverWait(
                self.driver, self.wait_time).until(
                    EC.presence_of_element_located(
                        (By.XPATH, report_generated_on_xpath))).text
        except TimeoutException:
            try:
                # new custom reports interface
                report_generated_on_xpath = (
                    "//tr[td[text()=' {} ']]/td[contains(@class,'last_generated_date-td')]"
                ).format(report_name)
                report_generated_on_text = WebDriverWait(
                    self.driver, self.wait_time).until(
                        EC.presence_of_element_located(
                            (By.XPATH, report_generated_on_xpath))).text
            except TimeoutException:
                raise ReportNotFound

        return report_generated_on_text

    def _download_custom_report(self,
                                report_name,
                                school_year,
                                download_folder_path,
                                download_if_generating=False):
        """Protected function for clicking the download button on a report on the Custom Reports page"""
        if not download_folder_path:
            download_folder_path = self.temp_folder_path
        self.__navigate_to_custom_report(report_name, school_year,
                                         download_folder_path)

        generate_report_button_xpath = GENERATE_REPORT_BUTTON_XPATH.format(
            report_name=report_name)
        generate_report_button_text = WebDriverWait(
            self.driver, self.wait_time).until(
                EC.presence_of_element_located(
                    (By.XPATH, generate_report_button_xpath))).text

        download_button_xpath = (
            "//tr[td[text() = '{report_name}' or text() = ' {report_name} ']]//a[contains(text(), 'Download')]"
        ).format(report_name=report_name)

        elem = WebDriverWait(self.driver, self.wait_time).until(
            EC.presence_of_element_located((By.XPATH, download_button_xpath)))

        if generate_report_button_text == 'Generate Report':
            elem.click()
        elif generate_report_button_text == 'Report in Progress' and download_if_generating:
            elem.click()
        else:
            raise ReportNotReady

        return self.driver

    def download_csv_custom_report(self,
                                   report_name,
                                   school_year,
                                   download_if_generating=False,
                                   pandas_read_csv_kwargs={}):
        """Download a SchoolMint Custom Report that downloads as a single CSV file"""
        temp_folder_name = report_name.replace(" ", "_").lower()
        csv_download_folder_path = self.temp_folder_path + '/' + temp_folder_name
        driver = self._download_custom_report(report_name, school_year,
                                              csv_download_folder_path,
                                              download_if_generating)

        # wait until file has downloaded to close the browser. We can do this
        # because we delete the file before we return it, so the temp dir should
        # always be empty when this command is run
        wait_for_any_file_in_folder(csv_download_folder_path, "csv")

        report_df = pd.read_csv(
            get_most_recent_file_in_dir(csv_download_folder_path),
            encoding=SCHOOLMINT_DEFAULT_EXPORT_ENCODING,
            **pandas_read_csv_kwargs)

        # delete any files in the mealtime temp folder; we don't need them now
        # TODO: move this out of this function. It should happen as cleanup once
        # the whole DAG has completed
        delete_folder_contents(csv_download_folder_path)

        # close the driver for this task
        driver.close()

        # if the dataframe is empty (the report had no data), raise an error
        if report_df.shape[0] == 0:
            raise NoDataError(
                'No data for user {} in Custom Report: {}'.format(
                    self.username, report_name))

        return report_df

    def download_zip_custom_report(self,
                                   report_name,
                                   school_year,
                                   download_folder_path=None,
                                   download_if_generating=False,
                                   unzip=True,
                                   pandas_read_csv_kwargs={}):
        """
        Downloads a SchoolMint Custom Report that downloads as a zipped set of CSVs
        :param report_name: The name of the report exactly as it is shown in the SchoolMint UI
        :param school_year: The year in SchoolMint. Should be formatted as shown in the UI
            (e.g. '2018-2019')
        :param download_folder_path: The path to where you want to store the zip file.
        :param download_if_generating: Whether or not to download a custom report if the
            report is currently generating.
        :param unzip: Boolean. If True, not only downloads the file, but also unzips it and
            returns each csv in a Pandas Dataframe in a dictionary.
        :param pandas_read_csv_kwargs: Additional keyward arguments to pass to Panda's read_csv function.
        :return: None or a dictionary of Pandas DataFrames representing each of the CSVs in
            the zipped file.
        """
        # create a folder for this specific run
        run_time = datetime.datetime.utcnow()
        if not download_folder_path:
            download_folder_path = self.temp_folder_path
        download_dir_final = "{}/{}-{}-{}".format(download_folder_path,
                                                  report_name,
                                                  run_time.strftime('%Y%m%d'),
                                                  run_time.strftime('%H%M%S'))
        driver = self._download_custom_report(report_name, school_year,
                                              download_dir_final,
                                              download_if_generating)

        # wait until file has downloaded to close the browser. We can do this
        # because we delete the file before we return it, so the temp dir should
        # always be empty when this command is run
        # TODO add a try/except block here
        wait_for_any_file_in_folder(download_dir_final, "zip")

        driver.close()

        if unzip:
            # unzip the files
            file_path = max(glob.iglob(download_dir_final + '/*.zip'),
                            key=os.path.getctime)
            ZipfileLongPaths(file_path).extractall(download_dir_final)

            dfs = dict()
            # iterate through the unzipped files and load them into dataframes
            for csv_filepath in glob.iglob(download_dir_final + '/*.csv'):
                csv_filename = os.path.basename(csv_filepath)
                #print(csv_filename)
                # find the files that start with a number, these are the custom forms files
                if re.match("^(\d+)", csv_filename):
                    num_beg = re.match("^(\d+)", csv_filename).group(0)
                    words = re.findall("[A-Za-z]+", csv_filename)
                    dict_key = csv_filename  # "{}_{}".format(num_beg, '_'.join(words[0:3])).lower()
                    dfs[dict_key] = pd.read_csv(
                        csv_filepath,
                        encoding=SCHOOLMINT_DEFAULT_EXPORT_ENCODING,
                        skiprows=[0, 2],
                        **pandas_read_csv_kwargs)
                # otherwise it is the info file that comes along with the zip export (application-data-export, etc.)
                else:
                    words = re.findall("[A-Za-z]+", csv_filename)
                    dict_key = csv_filename  # "{}".format('_'.join(words[0:3])).lower()

                    dfs[dict_key] = pd.read_csv(
                        csv_filepath,
                        encoding=SCHOOLMINT_DEFAULT_EXPORT_ENCODING,
                        **pandas_read_csv_kwargs)

            return dfs
Exemple #2
0
class SummitLearning(WebUIDataSource, LoggingMixin):
    def __init__(self,
                 username,
                 password,
                 wait_time,
                 hostname='summitlearning.org',
                 temp_folder_path=None,
                 headless=False,
                 login_provider='google'):
        super().__init__(username, password, wait_time, hostname,
                         temp_folder_path, headless)
        self.login_provider = login_provider
        self.uri_scheme = 'https://'
        self.base_url = self.uri_scheme + 'www.' + self.hostname

    def _login(self):
        if self.login_provider == 'google':
            login_url = self.base_url + '/auth/google_oauth2'
            self.driver.get(login_url)

            # the Google login screen has multiple versions - the 'Email' one
            # seems to be used when headless
            try:
                elem = self.driver.find_element_by_id('Email')
            except NoSuchElementException:
                elem = self.driver.find_element_by_id('identifierId')
            elem.clear()
            elem.send_keys(self.username)
            elem.send_keys(Keys.RETURN)

            # headless version of Google Login
            elem = WebDriverWait(self.driver, self.wait_time).until(
                EC.visibility_of_element_located((By.ID, 'password')))
            # regular version of Google login
            if elem.tag_name == 'div':
                elem = WebDriverWait(self.driver, self.wait_time).until(
                    EC.element_to_be_clickable((By.NAME, 'password')))
            elem.send_keys(self.password)
            elem.send_keys(Keys.RETURN)

        # wait for the destination page to fully load
        WebDriverWait(self.driver, self.wait_time).until(
            EC.presence_of_element_located((By.CLASS_NAME, 'app-teacher')))

    def download_url_report(self, report_url, write_to_disk=None, **kwargs):
        """ Downloads a Summit Learning report at a URL that triggers a CSV download

        Args:
            report_url (string): Information pertaining to the path and query
                string for the report whose access is desired. Any filtering
                that can be done with a stateful URL should be included.
            write_to_disk (string): The path for a directory to store the
                downloaded file. If nothing is provided, the file will be
                stored in a temporary directory and deleted at the end of
                this function.
            **kwargs: additional arguments to pass to Pandas read_excel or
                read_csv (depending on the report_url)

        Returns: A Pandas DataFrame of the report contents.
        """

        report_download_url = interpret_report_url(self.base_url, report_url)

        if write_to_disk:
            csv_download_folder_path = write_to_disk
        else:
            csv_download_folder_path = mkdtemp()
        self.driver = DriverBuilder().get_driver(csv_download_folder_path,
                                                 self.headless)
        self._login()

        self.log.debug(
            'Getting report page at: {}'.format(report_download_url))
        self.driver.get(report_download_url)

        self.log.debug('Starting download of: '.format(report_download_url))

        wait_for_any_file_in_folder(csv_download_folder_path, "csv")
        self.log.debug('Download Finished.')

        df_report = pd.read_csv(
            get_most_recent_file_in_dir(csv_download_folder_path), **kwargs)

        # if the dataframe is empty (the report had no data), raise an error
        if df_report.shape[0] == 0:
            raise NoDataError(
                'No data in report for user {} at url: {}'.format(
                    self.username,
                    interpret_report_url(self.base_url, report_url)))

        self.driver.close()

        if not write_to_disk:
            shutil.rmtree(csv_download_folder_path)

        return df_report

    def _set_dl_academic_year(self, academic_year):
        """Sets the academic year to download the reports from

        Args:
            academic_year (string): The academic year that should be selected. Use the format shown in the
                Summit Learning interface. Example: '2016-2017'

        :return: True if function succeeds
        """
        # The UI uses a '–' instead of a '-'. We'll make a convenience replacement
        academic_year = academic_year.replace('-', '–')

        self.log.debug('Changing academic year to: {}'.format(academic_year))

        # open the menu to select the academic year
        elem = WebDriverWait(self.driver, self.wait_time).until(
            EC.element_to_be_clickable((By.ID, 'academic-year-selector')))
        elem.click()

        # select the appropriate year
        try:
            year_xpath = "//*[@id='academic-year-selector']/parent::div//a[contains(text(),'{}')]".format(
                academic_year)
            elem = self.driver.find_element_by_xpath(year_xpath)
            elem.click()
        except NoSuchElementException as e:
            self.driver.save_screenshot('cannot_find_year.png')
            message = (
                ' Check that the academic_year variable is valid. '
                'Passed value for academic_year: {}').format(academic_year)

            raise_with_traceback(type(e)(str(e) + message))

        return True

    def check_dl_academic_year(self, academic_year):
        """Checks that the academic year is set as expected in the UI."""
        # The UI uses a '–' instead of a '-'. We'll make a convenience replacement
        academic_year = academic_year.replace('-', '–')

        elem = self.driver.find_element_by_xpath(
            "//*[@id='academic-year-selector']/parent::div//button")

        if academic_year in elem.text:
            return True
        else:
            return False

    def download_site_data_download(
            self,
            dl_heading,
            site_id,
            academic_year,
            report_generation_wait=REPORT_GENERATION_WAIT,
            write_to_disk=None,
            **kwargs):
        if write_to_disk:
            csv_download_folder_path = write_to_disk
        else:
            csv_download_folder_path = mkdtemp()
        self.driver = DriverBuilder().get_driver(csv_download_folder_path,
                                                 self.headless)
        self._login()

        dl_page_url = "{base_url}/sites/{site_id}/data_downloads/".format(
            base_url=self.base_url, site_id=site_id)

        self.driver.get(dl_page_url)

        self._set_dl_academic_year(academic_year)

        if not self.check_dl_academic_year(academic_year):
            raise ValueError("Academic Year not correctly set")

        # start the CSV generation process
        download_button_xpath = "//h3[contains(text(), '{dl_heading}')]/parent::div/parent::div//a[contains(text(), '{button_text}')]"

        # try to find the "Download CSV" button - old version of the interface
        old_interface = False
        try:
            elem = self.driver.find_element_by_xpath(
                download_button_xpath.format(dl_heading=dl_heading,
                                             button_text='Download CSV'))
            old_interface = True
            self.log.info("'Download CSV' interface detected.")
            elem.click()
        # if it's not there, it may have changed to a "Refresh" button
        except NoSuchElementException as e:
            pass

        # try to find the "Generate CSV" button - new version of the interface

        if not old_interface:
            gen_button_xpath = "//h3[contains(text(), '{dl_heading}')]/parent::div/parent::div//button[contains(text(), '{button_text}')]"
            try:
                elem = self.driver.find_element_by_xpath(
                    gen_button_xpath.format(dl_heading=dl_heading,
                                            button_text='Generate CSV'))
                self.log.info("'Generate CSV' interface detected.")
                elem.click()
            # if it's not there, it may have changed to a "Refresh" button
            except NoSuchElementException as e:
                try:
                    elem = self.driver.find_element_by_xpath(
                        gen_button_xpath.format(dl_heading=dl_heading,
                                                button_text='Download'))
                except NoSuchElementException as e:
                    elem = self.driver.find_element_by_xpath(
                        gen_button_xpath.format(dl_heading=dl_heading,
                                                button_text='Refresh'))
                    elem.click()

        # wait for the refresh command to be issued
        time.sleep(1)

        # wait for the report to be available and download it
        self.log.info(
            'Starting download of report "{}" for site_id "{}"'.format(
                dl_heading, site_id))

        dl_button_xpath = "//h3[contains(text(), '{dl_heading}')]/parent::div/parent::div//a[contains(text(), 'Download')]"
        try:
            elem = WebDriverWait(self.driver, report_generation_wait).until(
                EC.presence_of_element_located(
                    (By.XPATH, dl_button_xpath.format(dl_heading=dl_heading))))
            elem.click()
        # if the download is not ready, refresh the page and try one more time
        except TimeoutException:
            self.driver.refresh()
            elem = WebDriverWait(self.driver, report_generation_wait).until(
                EC.presence_of_element_located(
                    (By.XPATH, dl_button_xpath.format(dl_heading=dl_heading))))
            elem.click()

        wait_for_any_file_in_folder(csv_download_folder_path, "csv")
        self.log.debug('Download Finished.')

        df_report = pd.read_csv(
            get_most_recent_file_in_dir(csv_download_folder_path), **kwargs)

        # if the dataframe is empty (the report had no data), raise an error
        if df_report.shape[0] == 0:
            raise NoDataError('No data in report "{}" for site_id "{}"'.format(
                dl_heading, site_id))

        self.driver.close()

        if not write_to_disk:
            shutil.rmtree(csv_download_folder_path)

        return df_report