LEdoian
6 years ago
1 changed files with 44 additions and 0 deletions
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# -*- coding: utf-8 -*- |
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# Generated by Django 1.11.20 on 2019-05-23 21:54 |
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from __future__ import unicode_literals |
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from django.db import migrations |
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def generuj_RocnikNody_a_CisloNody(apps,schema_editor): |
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Rocnik = apps.get_model('seminar', 'Rocnik') |
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RocnikNode = apps.get_model('seminar', 'RocnikNode') |
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Cislo = apps.get_model('seminar', 'Rocnik') |
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CisloNode = apps.get_model('seminar', 'RocnikNode') |
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last_rn = None # last_* slouží k navázání následníků |
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for r in Rocnik.objects.all(): |
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rn = RocnikNode.objects.create(rocnik=r) |
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rn.save() |
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rn.root = rn |
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rn.save() |
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if last_rn: |
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last_rn.succ = rn |
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last_rn.save() |
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last_rn = rn |
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last_cn = None |
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for c in Cislo.objects.filter(rocnik=r): |
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cn = CisloNode.objects.create(cislo=c, root=rn) |
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cn.save() |
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if last_cn: |
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last_cn.succ = cn |
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last_cn.save() |
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last_cn = cn |
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class Migration(migrations.Migration): |
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dependencies = [ |
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('seminar', '0055_smazat_nemigrovane_zastarale_veci'), |
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] |
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operations = [ |
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migrations.RunPython(generuj_RocnikNody_a_CisloNody), |
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] |
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