def forwards(self, orm):
alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
numconv = NumConv(len(alphabet), alphabet)
for i, prodtype in enumerate(
orm.ProductionType.objects.order_by('name')):
key = numconv.int2str(i + 1)
prodtype.path = '%s%s' % ('0' * (4 - len(key)), key)
prodtype.depth = 1
prodtype.save()
def forwards(self, orm):
alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
numconv = NumConv(len(alphabet), alphabet)
for i, prodtype in enumerate(orm.ProductionType.objects.order_by('name')):
key = numconv.int2str(i+1)
prodtype.path = '%s%s' % (
'0' * (4 - len(key)),
key)
prodtype.depth = 1
prodtype.save()
from south.utils import datetime_utils as datetime
from south.db import db
from south.v2 import DataMigration
from django.db import models
from treebeard.numconv import NumConv
STEPLEN = 4
ALPHABET = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
class MP_AddHandler(object):
def __init__(self):
self.stmts = []
NUM = NumConv(len(ALPHABET), ALPHABET)
def _int2str(num):
return NUM.int2str(num)
def _str2int(num):
return NUM.str2int(num)
def _get_basepath(path, depth):
""":returns: The base path of another path up to a given depth"""
if path:
return path[0:depth * STEPLEN]
return ''
def numconv_obj(cls):
if cls.numconv_obj_ is None:
cls.numconv_obj_ = NumConv(len(cls.alphabet), cls.alphabet)
return cls.numconv_obj_
