0004_create_solution_files.py

# encoding: utf-8
import datetime
from south.db import db
from south.v2 import DataMigration
from django.db import models

class Migration(DataMigration):
    
    def forwards(self, orm):
        "Write your forwards methods here."
        for s in orm.Solution.objects.all():
            f = orm.File()
            f.solution = s
            f.language = s.language
            f.filename = 'pq-p%d-s%d-%s.%s' % (s.problem.id, s.id, s.author, s.language.extension)
            f.source = s.source
            f.save()
    
    def backwards(self, orm):
        "Write your backwards methods here."
        raise RuntimeError("Cannot reverse this migration.")

    
    models = {
        'auth.group': {
            'Meta': {'object_name': 'Group'},
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
        },
        'auth.permission': {
            'Meta': {'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
        },
        'auth.user': {
            'Meta': {'object_name': 'User'},
            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True', 'blank': 'True'}),
            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'blank': 'True'}),
            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'blank': 'True'}),
            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
        },
        'challenges.file': {
            'Meta': {'object_name': 'File'},
            'filename': ('django.db.models.fields.CharField', [], {'max_length': '50', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'language': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['challenges.Language']"}),
            'solution': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['challenges.Solution']"}),
            'source': ('django.db.models.fields.TextField', [], {})
        },
        'challenges.language': {
            'Meta': {'object_name': 'Language'},
            'extension': ('django.db.models.fields.CharField', [], {'max_length': '5'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
        },
        'challenges.problem': {
            'Meta': {'object_name': 'Problem'},
            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
            'body': ('django.db.models.fields.TextField', [], {}),
            'completed': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
            'created': ('django.db.models.fields.DateField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'difficulty': ('django.db.models.fields.IntegerField', [], {}),
            'example': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'input': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
            'output': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
            'preamble': ('django.db.models.fields.TextField', [], {}),
            'started': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
            'status': ('django.db.models.fields.IntegerField', [], {}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '100'})
        },
        'challenges.solution': {
            'Meta': {'object_name': 'Solution'},
            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'language': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['challenges.Language']"}),
            'problem': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['challenges.Problem']"}),
            'source': ('django.db.models.fields.TextField', [], {}),
            'submitted': ('django.db.models.fields.DateField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'})
        },
        'contenttypes.contenttype': {
            'Meta': {'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
        }
    }
    
    complete_apps = ['challenges']