62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# Generated by Django 2.2.28 on 2022-08-31 20:26
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import datetime
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import json
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from zoneinfo import ZoneInfo
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from django.db import migrations
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TZ_BEFORE = ZoneInfo('PST8PDT')
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def forward(apps, schema_editor):
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DeletedEvent = apps.get_model('doc', 'DeletedEvent')
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for deleted_event in DeletedEvent.objects.all():
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fields = json.loads(deleted_event.json)
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replacements = {}
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for k, v in fields.items():
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if isinstance(v, str):
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try:
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dt = datetime.datetime.strptime(v, '%Y-%m-%d %H:%M:%S')
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except:
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pass
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else:
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replacements[k] = dt.replace(tzinfo=TZ_BEFORE).astimezone(datetime.timezone.utc).isoformat()
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if len(replacements) > 0:
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fields.update(replacements)
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deleted_event.json = json.dumps(fields)
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deleted_event.save()
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def reverse(apps, schema_editor):
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DeletedEvent = apps.get_model('doc', 'DeletedEvent')
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for deleted_event in DeletedEvent.objects.all():
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fields = json.loads(deleted_event.json)
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replacements = {}
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for k, v in fields.items():
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if isinstance(v, str) and 'T' in v:
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try:
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dt = datetime.datetime.fromisoformat(v)
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except:
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pass
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else:
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replacements[k] = dt.astimezone(TZ_BEFORE).replace(tzinfo=None).strftime('%Y-%m-%d %H:%M:%S')
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if len(replacements) > 0:
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fields.update(replacements)
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deleted_event.json = json.dumps(fields)
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deleted_event.save()
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class Migration(migrations.Migration):
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dependencies = [
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('doc', '0046_use_timezone_now_for_doc_models'),
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('utils', '0003_pause_to_change_use_tz'),
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]
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operations = [
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migrations.RunPython(forward, reverse),
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]
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