More optimizations
This commit is contained in:
parent
15239117f5
commit
68b8606688
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@ -1,7 +1,9 @@
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import csv
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from time import time
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import requests
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from django.core.management import BaseCommand
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from django.db import transaction
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from tqdm import tqdm
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from trainvel.core.models import Station
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@ -12,7 +14,7 @@ class Command(BaseCommand):
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def convert_value(value: str) -> str:
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return True if value == 't' else False if value == 'f' else (value or None)
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stations, stations_without_fk = [], []
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stations = []
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STATIONS_URL = "https://raw.githubusercontent.com/trainline-eu/stations/master/stations.csv"
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with requests.get(STATIONS_URL, stream=True) as resp:
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@ -21,13 +23,13 @@ class Command(BaseCommand):
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values = {k.replace(':', '_').replace('normalised_code', 'normalized_code_trainline')
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.replace('same_as', 'same_as_id'): convert_value(v)
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for k, v in row.items()}
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values_without_fk = values.copy()
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del values_without_fk['same_as_id']
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del values_without_fk['parent_station_id']
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stations.append(Station(**values))
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stations_without_fk.append(Station(**values_without_fk))
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Station.objects.bulk_create(stations_without_fk, update_conflicts=True, unique_fields=['id'],
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update_fields=[k for k in values_without_fk.keys() if k != 'id'])
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Station.objects.bulk_create(stations, update_conflicts=True, unique_fields=['id'],
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update_fields=['same_as_id', 'parent_station_id'])
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Station.objects.all().delete()
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if options['verbosity'] >= 1:
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self.stdout.write("Deleted all stations.")
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start_time = time()
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with transaction.atomic():
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Station.objects.bulk_create(stations)
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if options['verbosity'] >= 1:
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self.stdout.write(f"Inserted {len(stations)} stations in {time() - start_time:.2f} seconds.")
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@ -0,0 +1,40 @@
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# Generated by Django 5.0.6 on 2024-05-12 11:09
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import django.db.models.deletion
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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("core", "0001_initial"),
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]
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operations = [
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migrations.AlterField(
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model_name="station",
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name="parent_station",
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field=models.ForeignKey(
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blank=True,
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default=None,
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null=True,
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on_delete=django.db.models.deletion.SET_NULL,
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related_name="children",
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to="core.station",
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verbose_name="parent station",
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),
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),
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migrations.AlterField(
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model_name="station",
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name="same_as",
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field=models.ForeignKey(
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blank=True,
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default=None,
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null=True,
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on_delete=django.db.models.deletion.SET_NULL,
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related_name="same_as_other",
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to="core.station",
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verbose_name="same as",
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),
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),
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]
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@ -53,7 +53,7 @@ class Station(models.Model):
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parent_station = models.ForeignKey(
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"Station",
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on_delete=models.CASCADE,
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on_delete=models.SET_NULL,
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verbose_name=_("parent station"),
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blank=True,
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null=True,
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@ -333,7 +333,7 @@ class Station(models.Model):
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same_as = models.ForeignKey(
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"Station",
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on_delete=models.CASCADE,
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on_delete=models.SET_NULL,
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verbose_name=_("same as"),
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blank=True,
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null=True,
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@ -8,6 +8,7 @@ from zoneinfo import ZoneInfo
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import requests
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from django.core.management import BaseCommand
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from django.db import transaction
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from tqdm import tqdm
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from trainvel.gtfs.models import Agency, Calendar, CalendarDate, FeedInfo, GTFSFeed, Route, Stop, StopTime, \
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@ -216,67 +217,59 @@ class Command(BaseCommand):
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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', 'gtfs_feed'],
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unique_fields=['id'])
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Calendar.objects.bulk_create(calendars.values(), batch_size=bulk_size)
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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', 'gtfs_feed'],
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unique_fields=['id'])
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Calendar.objects.bulk_create(calendars.values(), batch_size=bulk_size)
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calendars.clear()
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calendar_dates = []
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for calendar_date_dict in read_csv("calendar_dates.txt"):
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calendar_date_dict: dict
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calendar_date = CalendarDate(
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id=f"{gtfs_code}-{calendar_date_dict['service_id']}-{calendar_date_dict['date']}",
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service_id=f"{gtfs_code}-{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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with transaction.atomic():
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for calendar_date_dict in read_csv("calendar_dates.txt"):
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calendar_date_dict: dict
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service_id = f"{gtfs_code}-{calendar_date_dict['service_id']}"
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date = calendar_date_dict['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"{gtfs_code}-{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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gtfs_feed_id=gtfs_code,
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calendar_date = CalendarDate(
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id=f"{gtfs_code}-{calendar_date_dict['service_id']}-{calendar_date_dict['date']}",
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service_id=service_id,
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date=date,
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exception_type=calendar_date_dict['exception_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"{gtfs_code}-{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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calendar_dates.append(calendar_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', 'gtfs_feed'],
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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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if not Calendar.objects.filter(id=calendar_date.service_id).exists():
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calendar = Calendar(
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id=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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gtfs_feed_id=gtfs_code,
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)
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calendar.save()
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else:
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calendar = Calendar.objects.get(id=service_id)
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if calendar.start_date.isoformat() > date:
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calendar.start_date = date
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calendar.save()
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if calendar.end_date.isoformat() < date:
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calendar.end_date = date
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calendar.save()
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if len(calendar_dates) >= bulk_size and not dry_run:
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CalendarDate.objects.bulk_create(calendar_dates, batch_size=bulk_size)
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calendar_dates.clear()
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if calendar_dates and not dry_run:
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CalendarDate.objects.bulk_create(calendar_dates, batch_size=bulk_size)
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calendar_dates.clear()
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trips = []
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# start_time = time()
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