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How to use session_end method in Slash

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02_stationary_view_v1.py

Source:02_stationary_view_v1.py

1#!/bin/python2#3# STATIONARY SESSIONS VIEW V14# ===========================5#6# This executable computes a materialized view of the facts table with only7# stationary sessions.8#9# Stationary sessions are those sessions that: (i) lasted for at least 10 minutes;10# (ii) were completed by a userid-mac pair which was classified as main (or11# primary)12#13# We merge adjacent sessions that take place in the same AP within 10 minutes14# of each other. Sessions that take place in the same AP within 10 minutes of15# each other but are interspersed by sessions taking places in other APs are16# not merged, since they are not by definition adjacent.17#18# There is a considerable amount of overlapping sessions in the facts table19# (over 20 percent). To disentangle those sessions we bring the session end20# time of an overlapping session back to 1 second before the start of the next21# session. If sessions start at the same time we arbitrarily delete one of them.22import logging23import argparse24from sqlalchemy import create_engine25from __init__ import resolve_args26def create_view(engine):27    with engine.begin() as conn:28        conn.execute(29            f"""30        CREATE MATERIALIZED VIEW IF NOT EXISTS views.stationary_session AS31        WITH f AS (32            SELECT 33                f.userid_key,34                f.ap_key,35                f.status,36                f.session_start,37                f.session_end,38                f.session_end - f.session_start AS session_duration,39                f.rssi40            FROM (41                SELECT42                    f.userid_key,43                    f.ap_key,44                    f.status,45                    f.session_start,46                    CASE47                        WHEN f.session_end > (LEAD(session_start) OVER w) THEN48                            (LEAD(session_start) OVER w) - '1 second'::INTERVAL49                        ELSE f.session_end50                    END AS session_end,51                    f.rssi52                FROM (53                    SELECT54                        f.userid_key,55                        f.ap_key,56                        (array_agg(f.status ORDER BY f.session_start DESC))[1] AS status,57                        min(f.session_start) AS session_start,58                        max(f.session_end) AS session_end,59                        CASE60                            WHEN SUM((EXTRACT (EPOCH FROM f.session_duration))) = 0 THEN61                                min(f.rssi)62                            ELSE63                                SUM(64                                    (EXTRACT (EPOCH FROM f.session_duration)) * f.rssi65                                ) / SUM((EXTRACT (EPOCH FROM f.session_duration)))66                        END AS rssi67                    FROM (68                        SELECT69                            f.userid_key,70                            f.ap_key,71                            f.status,72                            f.session_start,73                            f.session_end,74                            f.session_duration,75                            f.rssi,76                            SUM(next_within_delta) OVER (77                                PARTITION BY f.userid_key 78                                ORDER BY f.session_start79                                RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING80                            ) AS block81                        FROM (82                            SELECT83                                f.userid_key,84                                f.ap_key,85                                f.status,86                                f.session_start,87                                f.session_end,88                                f.session_duration,89                                f.rssi,90                                CASE91                                    WHEN92                                        (((LEAD(f.session_start) OVER w) - f.session_end) < '10 minutes') AND93                                        (((LEAD(f.ap_key) OVER w) = f.ap_key))94                                        THEN 095                                    ELSE 196                                END AS next_within_delta97                            FROM98                                fact.session f,99                                dimension.day d,100                                dimension.userid_mac u,101                                dimension.ap ap102                            WHERE103                                f.pulltime_last AND104                                f.session_start_day_key = d.key AND105                                d.pull_hours_missing = 0 AND106                                f.userid_key = u.userid_key AND107                                f.mac_key = u.mac_key AND108                                f.session_start_day_key = u.day_key AND109                                u.main = TRUE AND110                                f.ap_key = ap.key AND111                                ap.floor != 'N/A' AND112                                ap.floor IS NOT null AND113                                ap.building_key IS NOT null114                            WINDOW w AS (PARTITION BY f.userid_key ORDER BY f.session_start)115                        ) f116                    ) f117                    GROUP BY f.userid_key, f.ap_key, f.block118                ) f119                WINDOW w AS (PARTITION BY f.userid_key ORDER BY f.session_start)120            ) f121        )122        SELECT123            f.userid_key,124            f.ap_key,125            f.status,126            f.session_start,127            f.session_end,128            f.session_duration,129            f.rssi130        FROM f131        JOIN (132            SELECT f.userid_key FROM f GROUP BY f.userid_key133            HAVING NOT bool_or(f.session_duration > '24 hours')134        ) a135        ON f.userid_key = a.userid_key136        JOIN (137            SELECT f.userid_key, f.session_start138            FROM f139            GROUP BY f.userid_key, f.session_start140            HAVING COUNT(*) < 2141        ) b142        ON f.userid_key = b.userid_key AND f.session_start = b.session_start143        WHERE (f.session_end - f.session_start) > '10 minutes'144        ORDER BY f.session_start145        WITH NO DATA146        """147        )148        conn.execute(149            f"""150        CREATE UNIQUE INDEX IF NOT EXISTS ix_stationary_session_userid_key_session_start151        ON views.stationary_session (userid_key, session_start)152        """153        )154        conn.execute("REFRESH MATERIALIZED VIEW views.stationary_session")155def main(args):156    engine = create_engine(args.wifi_conn)157    logging.info("Creating materialized view of stationary sessions.")158    create_view(engine)159if __name__ == "__main__":160    cli = argparse.ArgumentParser(description="Create the stationary sessions view.")161    args = resolve_args(cli)...

nesteddictionaries.py

Source:nesteddictionaries.py

1# Dealing with nested dictionaries2number_of_sessions = 03total_session_time = 04avg_session_time = 05total_dict = {}6user_dict = {}7stream_dict = {'session1': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 24, 'session_end': 44}},8'session2': {'name': 'Ethan Peck', 'userid':'ethpeck', 'sessioninfo': {'session_start': 30, 'session_end': 70}},9'session3': {'name': 'Aaron Peck', 'userid':'apeck14', 'sessioninfo': {'session_start': 4, 'session_end': 9}},10'session4': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 40, 'session_end': 45}},11'session5': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 20, 'session_end': 40}},12'session6': {'name': 'Tina Peck', 'userid':'tpeck13', 'sessioninfo': {'session_start': 11, 'session_end': 13}},13'session7': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 28, 'session_end': 40}},14'session8': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 20, 'session_end': 40}},15'session9': {'name': 'Ian Peck', 'userid':'apeck14', 'sessioninfo': {'session_start': 20, 'session_end': 23}},16'session10': {'name': 'Ethan Peck', 'userid':'ethpeck','sessioninfo': {'session_start': 20, 'session_end': 40}},17'session11': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 20, 'session_end': 40}},18'session12': {'name': 'Tina Peck', 'userid':'tpeck13', 'sessioninfo': {'session_start': 20, 'session_end': 40}},19'session13': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 80, 'session_end': 100}},20'session14': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 11, 'session_end': 12}},21'session15': {'name': 'Aaron Peck', 'userid':'apeck14', 'sessioninfo': {'session_start': 20, 'session_end': 40}},22'session16': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 13, 'session_end': 17}},23'session17': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 20, 'session_end': 30}},24'session18': {'name': 'Ethan Peck', 'userid':'ethpeck', 'sessioninfo': {'session_start': 10, 'session_end': 15}},25'session19': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 9, 'session_end': 42}},26'session20': {'name': 'Tina Peck', 'userid':'tpeck13', 'sessioninfo': {'session_start': 16, 'session_end': 40}},27'session21': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 20, 'session_end': 40}},28'session22': {'name': 'Ethan Peck', 'userid':'ethpeck', 'sessioninfo': {'session_start': 240, 'session_end': 400}},29'session23': {'name': 'Aaron Peck', 'userid':'apeck14', 'sessioninfo': {'session_start': 12, 'session_end': 90}},30'session24': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 20, 'session_end': 40}},31'session25': {'name': 'Tina Peck', 'userid':'tpeck13', 'sessioninfo': {'session_start': 1, 'session_end': 12}},32'session26': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 20, 'session_end': 40}},33'session27': {'name': 'Aaron Peck', 'userid':'apeck14', 'sessioninfo': {'session_start': 5, 'session_end': 7}},34'session28': {'name': 'Ian Peck', 'userid':'ianpeck22', 'sessioninfo': {'session_start': 12, 'session_end': 40}},35'session29': {'name': 'Tina Peck', 'userid':'tpeck13', 'sessioninfo': {'session_start': 100, 'session_end': 300}}}36def find_summed_info(dict):37    global number_of_sessions38    global total_session_time39    global avg_session_time40    number_of_sessions = len(list(dict.keys()))41    for v in dict.values():42        indv_session_time = v['sessioninfo']['session_end'] - v['sessioninfo']['session_start']43        total_session_time += indv_session_time44    avg_session_time = total_session_time / number_of_sessions45def create_nested_dict(dict):46    global user_dict47    user_list = []48    for v in dict.values():49        if v['userid'] not in user_list:50            user_list.append(v['userid'])51    for user in user_list:52        user_dict[user] = {}53        user_dict[user]['numberofsessions'] = 054        user_dict[user]['totalsessiontime'] = 055        user_dict[user]['avgsessiontime'] = 056def user_stats(dict):57    global user_dict58    for v in stream_dict.values():59        user_dict[v['userid']]['numberofsessions'] += 160        indv_session_time = v['sessioninfo']['session_end'] - v['sessioninfo']['session_start']61        user_dict[v['userid']]['totalsessiontime'] += indv_session_time62    63    for v in user_dict.values():64        v['avgsessiontime'] = v['totalsessiontime'] / v['numberofsessions']65find_summed_info(stream_dict)66total_dict['avg_session_time'] = avg_session_time67total_dict['number_of_sessions'] = number_of_sessions68total_dict['total_session_time'] = total_session_time69print('total dict: ',total_dict)70create_nested_dict(stream_dict)71print(user_dict)72user_stats(stream_dict)...

update_telemetry_session_details.py

Source:update_telemetry_session_details.py

...33        self.discriminator = None34        if session_end is not None:35            self.session_end = session_end36    @property37    def session_end(self):38        """Gets the session_end of this UpdateTelemetrySessionDetails.  # noqa: E50139        The end time for this telemetry session  # noqa: E50140        :return: The session_end of this UpdateTelemetrySessionDetails.  # noqa: E50141        :rtype: datetime42        """43        return self._session_end44    @session_end.setter45    def session_end(self, session_end):46        """Sets the session_end of this UpdateTelemetrySessionDetails.47        The end time for this telemetry session  # noqa: E50148        :param session_end: The session_end of this UpdateTelemetrySessionDetails.  # noqa: E50149        :type: datetime50        """51        self._session_end = session_end52    def to_dict(self):53        """Returns the model properties as a dict"""54        result = {}55        for attr, _ in six.iteritems(self.openapi_types):56            value = getattr(self, attr)57            if isinstance(value, list):58                result[attr] = list(map(59                    lambda x: x.to_dict() if hasattr(x, "to_dict") else x,...

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