405 lines
22 KiB
Python
405 lines
22 KiB
Python
import csv
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from datetime import datetime, timedelta
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from io import BytesIO
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from zipfile import ZipFile
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import requests
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from django.core.management import BaseCommand
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from sncfgtfs.models import Agency, Calendar, CalendarDate, FeedInfo, Route, Stop, StopTime, Transfer, Trip
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class Command(BaseCommand):
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help = "Update the SNCF GTFS database."
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GTFS_FEEDS = {
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"TGV": "https://eu.ftp.opendatasoft.com/sncf/gtfs/export_gtfs_voyages.zip",
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"IC": "https://eu.ftp.opendatasoft.com/sncf/gtfs/export-intercites-gtfs-last.zip",
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"TER": "https://eu.ftp.opendatasoft.com/sncf/gtfs/export-ter-gtfs-last.zip",
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"TN": "https://eu.ftp.opendatasoft.com/sncf/gtfs/transilien-gtfs.zip",
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"ES": "https://www.data.gouv.fr/fr/datasets/r/9089b550-696e-4ae0-87b5-40ea55a14292",
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"TI": "https://thello.axelor.com/public/gtfs/gtfs.zip",
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"RENFE": "https://ssl.renfe.com/gtransit/Fichero_AV_LD/google_transit.zip",
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"OBB": "https://static.oebb.at/open-data/soll-fahrplan-gtfs/GTFS_OP_2024_obb.zip",
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}
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def add_arguments(self, parser):
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parser.add_argument('--bulk_size', type=int, default=1000, help="Number of objects to create in bulk.")
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parser.add_argument('--dry-run', action='store_true',
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help="Do not update the database, only print what would be done.")
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parser.add_argument('--force', '-f', action='store_true', help="Force the update of the database.")
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def handle(self, *args, **options):
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bulk_size = options['bulk_size']
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dry_run = options['dry_run']
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force = options['force']
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if dry_run:
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self.stdout.write(self.style.WARNING("Dry run mode activated."))
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if not FeedInfo.objects.exists():
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last_update_date = "1970-01-01"
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else:
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last_update_date = FeedInfo.objects.get(publisher_name='SNCF_default').version
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for url in self.GTFS_FEEDS.values():
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resp = requests.head(url)
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if "Last-Modified" not in resp.headers:
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continue
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last_modified = resp.headers["Last-Modified"]
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last_modified = datetime.strptime(last_modified, "%a, %d %b %Y %H:%M:%S %Z")
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if last_modified.date().isoformat() > last_update_date:
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break
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else:
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if not force:
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self.stdout.write(self.style.WARNING("Database already up-to-date."))
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return
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self.stdout.write("Updating database...")
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for transport_type, feed_url in self.GTFS_FEEDS.items():
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self.stdout.write(f"Downloading {transport_type} GTFS feed...")
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with ZipFile(BytesIO(requests.get(feed_url).content)) as zipfile:
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def read_file(filename):
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lines = zipfile.read(filename).decode().replace('\ufeff', '').splitlines()
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return [line.strip() for line in lines]
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agencies = []
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for agency_dict in csv.DictReader(read_file("agency.txt")):
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agency_dict: dict
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if transport_type == "ES" \
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and agency_dict['agency_id'] != 'ES' and agency_dict['agency_id'] != 'ER':
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continue
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agency = Agency(
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id=agency_dict['agency_id'],
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name=agency_dict['agency_name'],
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url=agency_dict['agency_url'],
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timezone=agency_dict['agency_timezone'],
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lang=agency_dict.get('agency_lang', "fr"),
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phone=agency_dict.get('agency_phone', ""),
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email=agency_dict.get('agency_email', ""),
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)
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agencies.append(agency)
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if agencies and not dry_run:
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Agency.objects.bulk_create(agencies,
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update_conflicts=True,
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update_fields=['name', 'url', 'timezone', 'lang', 'phone', 'email'],
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unique_fields=['id'])
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agencies.clear()
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stops = []
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for stop_dict in csv.DictReader(read_file("stops.txt")):
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stop_dict: dict
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stop_id = stop_dict['stop_id']
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if transport_type in ["ES", "TI", "RENFE"]:
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stop_id = f"{transport_type}-{stop_id}"
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stop = Stop(
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id=stop_id,
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name=stop_dict['stop_name'],
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desc=stop_dict.get('stop_desc', ""),
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lat=stop_dict['stop_lat'],
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lon=stop_dict['stop_lon'],
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zone_id=stop_dict.get('zone_id', ""),
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url=stop_dict.get('stop_url', ""),
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location_type=stop_dict.get('location_type', 1) or 1,
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parent_station_id=stop_dict.get('parent_station', None) or None,
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timezone=stop_dict.get('stop_timezone', ""),
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wheelchair_boarding=stop_dict.get('wheelchair_boarding', 0),
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level_id=stop_dict.get('level_id', ""),
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platform_code=stop_dict.get('platform_code', ""),
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transport_type=transport_type,
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)
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stops.append(stop)
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if stops and not dry_run:
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Stop.objects.bulk_create(stops,
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batch_size=bulk_size,
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update_conflicts=True,
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update_fields=['name', 'desc', 'lat', 'lon', 'zone_id', 'url',
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'location_type', 'parent_station_id', 'timezone',
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'wheelchair_boarding', 'level_id', 'platform_code',
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'transport_type'],
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unique_fields=['id'])
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stops.clear()
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routes = []
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for route_dict in csv.DictReader(read_file("routes.txt")):
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route_dict: dict
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route_id = route_dict['route_id']
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if transport_type == "TI":
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route_id = f"{transport_type}-{route_id}"
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route = Route(
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id=route_id,
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agency_id=route_dict['agency_id'],
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short_name=route_dict['route_short_name'],
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long_name=route_dict['route_long_name'],
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desc=route_dict.get('route_desc', ""),
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type=route_dict['route_type'],
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url=route_dict.get('route_url', ""),
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color=route_dict.get('route_color', ""),
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text_color=route_dict.get('route_text_color', ""),
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transport_type=transport_type,
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)
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routes.append(route)
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if len(routes) >= bulk_size and not dry_run:
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Route.objects.bulk_create(routes,
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update_conflicts=True,
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update_fields=['agency_id', 'short_name', 'long_name', 'desc',
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'type', 'url', 'color', 'text_color',
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'transport_type'],
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unique_fields=['id'])
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routes.clear()
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if routes and not dry_run:
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Route.objects.bulk_create(routes,
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update_conflicts=True,
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update_fields=['agency_id', 'short_name', 'long_name', 'desc',
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'type', 'url', 'color', 'text_color',
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'transport_type'],
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unique_fields=['id'])
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routes.clear()
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Calendar.objects.filter(transport_type=transport_type).delete()
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calendars = {}
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if "calendar.txt" in zipfile.namelist():
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for calendar_dict in csv.DictReader(read_file("calendar.txt")):
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calendar_dict: dict
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calendar = Calendar(
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id=f"{transport_type}-{calendar_dict['service_id']}",
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monday=calendar_dict['monday'],
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tuesday=calendar_dict['tuesday'],
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wednesday=calendar_dict['wednesday'],
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thursday=calendar_dict['thursday'],
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friday=calendar_dict['friday'],
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saturday=calendar_dict['saturday'],
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sunday=calendar_dict['sunday'],
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start_date=calendar_dict['start_date'],
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end_date=calendar_dict['end_date'],
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transport_type=transport_type,
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)
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calendars[calendar.id] = calendar
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if len(calendars) >= bulk_size and not dry_run:
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Calendar.objects.bulk_create(calendars.values(),
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update_conflicts=True,
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update_fields=['monday', 'tuesday', 'wednesday', 'thursday',
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'friday', 'saturday', 'sunday', 'start_date',
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'end_date', 'transport_type'],
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unique_fields=['id'])
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calendars.clear()
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if calendars and not dry_run:
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Calendar.objects.bulk_create(calendars.values(), update_conflicts=True,
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update_fields=['monday', 'tuesday', 'wednesday', 'thursday',
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'friday', 'saturday', 'sunday', 'start_date',
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'end_date', 'transport_type'],
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unique_fields=['id'])
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calendars.clear()
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calendar_dates = []
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for calendar_date_dict in csv.DictReader(read_file("calendar_dates.txt")):
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calendar_date_dict: dict
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calendar_date = CalendarDate(
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id=f"{transport_type}-{calendar_date_dict['service_id']}-{calendar_date_dict['date']}",
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service_id=f"{transport_type}-{calendar_date_dict['service_id']}",
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date=calendar_date_dict['date'],
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exception_type=calendar_date_dict['exception_type'],
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)
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calendar_dates.append(calendar_date)
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if calendar_date.service_id not in calendars:
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calendar = Calendar(
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id=f"{transport_type}-{calendar_date_dict['service_id']}",
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monday=False,
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tuesday=False,
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wednesday=False,
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thursday=False,
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friday=False,
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saturday=False,
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sunday=False,
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start_date=calendar_date_dict['date'],
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end_date=calendar_date_dict['date'],
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transport_type=transport_type,
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)
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calendars[calendar.id] = calendar
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else:
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calendar = calendars[f"{transport_type}-{calendar_date_dict['service_id']}"]
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if calendar.start_date > calendar_date.date:
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calendar.start_date = calendar_date.date
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if calendar.end_date < calendar_date.date:
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calendar.end_date = calendar_date.date
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if calendar_dates and not dry_run:
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Calendar.objects.bulk_create(calendars.values(),
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batch_size=bulk_size,
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update_conflicts=True,
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update_fields=['start_date', 'end_date'],
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unique_fields=['id'])
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CalendarDate.objects.bulk_create(calendar_dates,
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batch_size=bulk_size,
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update_conflicts=True,
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update_fields=['service_id', 'date', 'exception_type'],
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unique_fields=['id'])
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calendars.clear()
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calendar_dates.clear()
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trips = []
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for trip_dict in csv.DictReader(read_file("trips.txt")):
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trip_dict: dict
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trip_id = trip_dict['trip_id']
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route_id = trip_dict['route_id']
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if transport_type in ["TGV", "IC", "TER"]:
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trip_id, last_update = trip_id.split(':', 1)
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last_update = datetime.fromisoformat(last_update)
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elif transport_type in ["ES", "RENFE"]:
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trip_id = f"{transport_type}-{trip_id}"
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last_update = None
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elif transport_type == "TI":
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trip_id = f"{transport_type}-{trip_id}"
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route_id = f"{transport_type}-{route_id}"
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last_update = None
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else:
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last_update = None
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trip = Trip(
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id=trip_id,
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route_id=route_id,
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service_id=f"{transport_type}-{trip_dict['service_id']}",
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headsign=trip_dict.get('trip_headsign', ""),
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short_name=trip_dict.get('trip_short_name', ""),
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direction_id=trip_dict.get('direction_id', None) or None,
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block_id=trip_dict.get('block_id', ""),
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shape_id=trip_dict.get('shape_id', ""),
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wheelchair_accessible=trip_dict.get('wheelchair_accessible', None),
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bikes_allowed=trip_dict.get('bikes_allowed', None),
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last_update=last_update,
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)
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trips.append(trip)
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if len(trips) >= bulk_size and not dry_run:
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Trip.objects.bulk_create(trips,
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update_conflicts=True,
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update_fields=['route_id', 'service_id', 'headsign', 'short_name',
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'direction_id', 'block_id', 'shape_id',
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'wheelchair_accessible', 'bikes_allowed'],
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unique_fields=['id'])
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trips.clear()
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if trips and not dry_run:
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Trip.objects.bulk_create(trips,
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update_conflicts=True,
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update_fields=['route_id', 'service_id', 'headsign', 'short_name',
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'direction_id', 'block_id', 'shape_id',
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'wheelchair_accessible', 'bikes_allowed'],
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unique_fields=['id'])
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trips.clear()
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stop_times = []
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for stop_time_dict in csv.DictReader(read_file("stop_times.txt")):
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stop_time_dict: dict
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stop_id = stop_time_dict['stop_id']
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if transport_type in ["ES", "TI", "RENFE"]:
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stop_id = f"{transport_type}-{stop_id}"
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trip_id = stop_time_dict['trip_id']
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if transport_type in ["TGV", "IC", "TER"]:
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trip_id = trip_id.split(':', 1)[0]
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elif transport_type in ["ES", "TI", "RENFE"]:
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trip_id = f"{transport_type}-{trip_id}"
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arr_time = stop_time_dict['arrival_time']
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arr_h, arr_m, arr_s = map(int, arr_time.split(':'))
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arr_time = arr_h * 3600 + arr_m * 60 + arr_s
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dep_time = stop_time_dict['departure_time']
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dep_h, dep_m, dep_s = map(int, dep_time.split(':'))
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dep_time = dep_h * 3600 + dep_m * 60 + dep_s
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pickup_type = stop_time_dict.get('pickup_type', 0)
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drop_off_type = stop_time_dict.get('drop_off_type', 0)
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if transport_type in ["ES", "RENFE", "OBB"]:
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if stop_time_dict['stop_sequence'] == "1":
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drop_off_type = 1
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elif arr_time == dep_time:
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pickup_type = 1
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elif transport_type == "TI":
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if stop_time_dict['stop_sequence'] == "0":
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drop_off_type = 1
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elif arr_time == dep_time:
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pickup_type = 1
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st = StopTime(
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id=f"{trip_id}-{stop_id}-{stop_time_dict['departure_time']}",
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trip_id=trip_id,
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arrival_time=timedelta(seconds=arr_time),
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departure_time=timedelta(seconds=dep_time),
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stop_id=stop_id,
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stop_sequence=stop_time_dict['stop_sequence'],
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stop_headsign=stop_time_dict.get('stop_headsign', ""),
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pickup_type=pickup_type,
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drop_off_type=drop_off_type,
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timepoint=stop_time_dict.get('timepoint', None),
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)
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stop_times.append(st)
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if len(stop_times) >= bulk_size and not dry_run:
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StopTime.objects.bulk_create(stop_times,
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update_conflicts=True,
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update_fields=['stop_id', 'arrival_time', 'departure_time',
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'stop_headsign', 'pickup_type',
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'drop_off_type', 'timepoint'],
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unique_fields=['id'])
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stop_times.clear()
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if stop_times and not dry_run:
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StopTime.objects.bulk_create(stop_times,
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update_conflicts=True,
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update_fields=['stop_id', 'arrival_time', 'departure_time',
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'stop_headsign', 'pickup_type',
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'drop_off_type', 'timepoint'],
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unique_fields=['id'])
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stop_times.clear()
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if "transfers.txt" in zipfile.namelist():
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transfers = []
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for transfer_dict in csv.DictReader(read_file("transfers.txt")):
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transfer_dict: dict
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from_stop_id = transfer_dict['from_stop_id']
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to_stop_id = transfer_dict['to_stop_id']
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if transport_type in ["ES", "RENFE", "OBB"]:
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from_stop_id = f"{transport_type}-{from_stop_id}"
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to_stop_id = f"{transport_type}-{to_stop_id}"
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transfer = Transfer(
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id=f"{from_stop_id}-{to_stop_id}",
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from_stop_id=transfer_dict['from_stop_id'],
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to_stop_id=transfer_dict['to_stop_id'],
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transfer_type=transfer_dict['transfer_type'],
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min_transfer_time=transfer_dict['min_transfer_time'],
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)
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transfers.append(transfer)
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if len(transfers) >= bulk_size and not dry_run:
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Transfer.objects.bulk_create(transfers,
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update_conflicts=True,
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update_fields=['transfer_type', 'min_transfer_time'],
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unique_fields=['id'])
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transfers.clear()
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if transfers and not dry_run:
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Transfer.objects.bulk_create(transfers,
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update_conflicts=True,
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update_fields=['transfer_type', 'min_transfer_time'],
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unique_fields=['id'])
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transfers.clear()
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if "feed_info.txt" in zipfile.namelist() and not dry_run:
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for feed_info_dict in csv.DictReader(read_file("feed_info.txt")):
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feed_info_dict: dict
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FeedInfo.objects.update_or_create(
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publisher_name=feed_info_dict['feed_publisher_name'],
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defaults=dict(
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publisher_url=feed_info_dict['feed_publisher_url'],
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lang=feed_info_dict['feed_lang'],
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start_date=feed_info_dict.get('feed_start_date', datetime.now().date()),
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end_date=feed_info_dict.get('feed_end_date', datetime.now().date()),
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version=feed_info_dict.get('feed_version', 1),
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)
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)
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