scheduled-plugin-pretalx-br.../service

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#!/usr/bin/python
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import os
import sys
import time
import traceback
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from calendar import timegm
from datetime import datetime, timedelta
import pytz
from requests import get
from hosted import config, node
config.restart_on_update()
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SEND_PREFIX = os.environ["NODE"].replace("root/", "root/plugin/")
def log(msg):
sys.stderr.write("[pretalx] {}\n".format(msg))
def idle(seconds, event_start, event_tz):
end = time.time() + seconds
log("sleeping for {} seconds".format(seconds))
while time.time() < end:
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send_data = {
"clock": "??",
"day": "??",
"time": int(time.time()),
}
if event_start is not None:
event_now = datetime.now(event_tz)
utc_now = datetime.now(pytz.utc)
day_zero = event_tz.localize(
event_start.replace(hour=0, minute=0, second=0)
) - timedelta(days=1)
day_info = event_now - day_zero
log("Day0: {}".format(day_zero.isoformat()))
log("NOW: {}".format(event_now.isoformat()))
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send_data["clock"] = event_now.strftime(config["clock_format"])
send_data["day"] = day_info.days
for k, v in send_data.items():
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node.send_raw("{}/{}:{}".format(SEND_PREFIX, k, v))
time.sleep(1)
def main():
event_info = None
event_start = None
schedule = None
event_tz = pytz.utc
while True:
schedule_url = config["schedule_url"]
if "example.com" in schedule_url:
log("default schedule url, waiting for config update")
# sleep forever, service will get restarted if the config
# changes.
time.sleep(99999999)
log("event url: {}".format(schedule_url))
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log("using json flavour: {}".format(config["json_flavour"]))
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if config["json_flavour"] == "pretalx-broadcast-tools":
if not schedule_url.endswith("/"):
schedule_url = schedule_url + "/"
try:
r = get(
schedule_url + "p/broadcast-tools/event.json",
)
r.raise_for_status()
except Exception as e:
log("updating event info failed: {}".format(repr(e)))
# Only print the error message. If we have fetched the event
# info json blob atleast once, we have all the information
# we need.
else:
event_info = r.json()
if event_info is not None:
event_start = datetime.strptime(event_info["start"], "%Y-%m-%d")
event_tz = pytz.timezone(event_info["timezone"])
try:
r = get(
schedule_url + "p/broadcast-tools/schedule.json",
)
r.raise_for_status()
except Exception as e:
log("updating schedule failed: {}".format(repr(e)))
# Only print the error message. If we have fetched the schedule
# info json blob atleast once, we have all the information
# we need.
else:
schedule = r.json()
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schedule["tracks"] = []
for talk in schedule["talks"]:
talk["start_str"] = (
datetime.fromtimestamp(talk["start_ts"])
.replace(tzinfo=pytz.utc)
.astimezone(event_tz)
.strftime("%H:%M")
)
node.write_json("schedule.json", schedule)
log("updated schedule json")
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elif config["json_flavour"] == "voc-schema":
try:
r = get(schedule_url)
r.raise_for_status()
except Exception as e:
log("getting schedule.json failed: {}".format(repr(e)))
else:
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raw_schedule = r.json()["schedule"]
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schedule = {
"tracks": raw_schedule["conference"]["tracks"],
"talks": [],
}
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event_start = datetime.strptime(
raw_schedule["conference"]["start"][:10], "%Y-%m-%d"
)
event_tz = pytz.timezone(raw_schedule["conference"]["time_zone_name"])
utc_offset = datetime.now(event_tz).utcoffset().total_seconds()
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for day in raw_schedule["conference"]["days"]:
for room in day["rooms"].values():
for talk in room:
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start = datetime.strptime(
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talk["date"][:19], "%Y-%m-%dT%H:%M:%S"
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).replace(tzinfo=event_tz)
d_h, d_m = talk["duration"].split(":")
end = start + timedelta(hours=int(d_h), minutes=int(d_m))
talk["start_ts"] = int(timegm(start.timetuple()) - utc_offset)
talk["start_str"] = talk["start"]
talk["end_ts"] = int(timegm(end.timetuple()) - utc_offset)
talk["locale"] = talk["language"]
track = None
if talk["track"]:
for t in raw_schedule["conference"]["tracks"]:
if t["name"] == talk["track"]:
track = {
"color": t["color"],
"name": t["name"],
}
break
talk["track"] = track
persons = []
for p in talk["persons"]:
persons.append(p.get("public_name", p["name"]))
talk["persons"] = persons
schedule["talks"].append(talk)
node.write_json("schedule.json", schedule)
log("updated schedule json")
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else:
log("unknown json flavour, something is very wrong")
idle(30, event_start, event_tz)
if __name__ == "__main__":
try:
main()
except:
traceback.print_exc()
time.sleep(30)