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213 lines
7.3 KiB
Python
213 lines
7.3 KiB
Python
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# Copyright 2015 Antonio Espinosa <antonio.espinosa@tecnativa.com>
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# Copyright 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
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# Copyright 2017 David Vidal <jairo.llopis@tecnativa.com>
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# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
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from flectra import _, api, models
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from flectra.exceptions import UserError
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import requests
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import re
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import logging
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from lxml import etree
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from collections import OrderedDict
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logger = logging.getLogger(__name__)
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# Default server values
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URL_BASE = 'https://ec.europa.eu'
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URL_PATH = '/eurostat/ramon/nomenclatures/index.cfm'
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URL_PARAMS = {'TargetUrl': 'ACT_OTH_CLS_DLD',
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'StrNom': 'NUTS_2013',
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'StrFormat': 'XML',
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'StrLanguageCode': 'EN',
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'StrLayoutCode': 'HIERARCHIC'
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}
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class NutsImport(models.TransientModel):
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_name = 'nuts.import'
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_description = 'Import NUTS items from European RAMON service'
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_parents = [False, False, False, False]
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_countries = {
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"BE": False,
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"BG": False,
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"CZ": False,
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"DK": False,
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"DE": False,
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"EE": False,
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"IE": False,
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"GR": False, # EL
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"ES": False,
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"FR": False,
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"HR": False,
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"IT": False,
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"CY": False,
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"LV": False,
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"LT": False,
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"LU": False,
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"HU": False,
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"MT": False,
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"NL": False,
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"AT": False,
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"PL": False,
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"PT": False,
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"RO": False,
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"SI": False,
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"SK": False,
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"FI": False,
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"SE": False,
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"GB": False, # UK
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}
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_current_country = False
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_map = OrderedDict([
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('level', {
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'xpath': '', 'attrib': 'idLevel',
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'type': 'integer', 'required': True}),
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('code', {
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'xpath': './Label/LabelText[@language="ALL"]',
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'type': 'string', 'required': True}),
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('name', {
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'xpath': './Label/LabelText[@language="EN"]',
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'type': 'string', 'required': True}),
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])
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def _check_node(self, node):
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if node.get('id') and node.get('idLevel'):
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return True
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return False
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def _mapping(self, node):
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item = {}
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for k, v in self._map.items():
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field_xpath = v.get('xpath', '')
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field_attrib = v.get('attrib', False)
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field_type = v.get('type', 'string')
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field_required = v.get('required', False)
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value = ''
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if field_xpath:
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n = node.find(field_xpath)
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else:
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n = node
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if n is not None:
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if field_attrib:
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value = n.get(field_attrib, '')
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else:
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value = n.text
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if field_type == 'integer':
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try:
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value = int(value)
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except (ValueError, TypeError):
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logger.warn(
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"Value %s for field %s replaced by 0" %
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(value, k))
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value = 0
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else:
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logger.debug("xpath = '%s', not found" % field_xpath)
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if field_required and not value:
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raise UserError(
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_('Value not found for mandatory field %s' % k))
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item[k] = value
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return item
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def _download_nuts(self, url_base=None, url_path=None, url_params=None):
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if not url_base:
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url_base = URL_BASE
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if not url_path:
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url_path = URL_PATH
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if not url_params:
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url_params = URL_PARAMS
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url = url_base + url_path + '?'
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url += '&'.join([k + '=' + v for k, v in url_params.items()])
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logger.info('Starting to download %s' % url)
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try:
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res_request = requests.get(url)
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except Exception as e:
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raise UserError(
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_('Got an error when trying to download the file: %s.') %
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str(e))
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if res_request.status_code != requests.codes.ok:
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raise UserError(
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_('Got an error %d when trying to download the file %s.')
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% (res_request.status_code, url))
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logger.info('Download successfully %d bytes' %
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len(res_request.content))
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# Workaround XML: Remove all characters before <?xml
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pattern = re.compile(rb'^.*<\?xml', re.DOTALL)
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content_fixed = re.sub(pattern, b'<?xml', res_request.content)
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if not re.match(rb'<\?xml', content_fixed):
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raise UserError(_('Downloaded file is not a valid XML file'))
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return content_fixed
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@api.model
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def _load_countries(self):
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for k in self._countries:
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self._countries[k] = self.env['res.country'].search(
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[('code', '=', k)])
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# Workaround to translate some country codes:
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# EL => GR (Greece)
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# UK => GB (United Kingdom)
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self._countries['EL'] = self._countries['GR']
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self._countries['UK'] = self._countries['GB']
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@api.model
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def state_mapping(self, data, node):
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# Method to inherit and add state_id relation depending on country
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level = data.get('level', 0)
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code = data.get('code', '')
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if level == 1:
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self._current_country = self._countries[code]
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return {
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'country_id': self._current_country.id,
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}
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@api.model
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def create_or_update_nuts(self, node):
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if not self._check_node(node):
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return False
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nuts_model = self.env['res.partner.nuts']
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data = self._mapping(node)
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data.update(self.state_mapping(data, node))
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level = data.get('level', 0)
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if level >= 2 and level <= 5:
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data['parent_id'] = self._parents[level - 2]
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nuts = nuts_model.search([('level', '=', data['level']),
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('code', '=', data['code'])])
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if nuts:
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nuts.filtered(lambda n: not n.not_updatable).write(data)
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else:
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nuts = nuts_model.create(data)
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if level >= 1 and level <= 4:
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self._parents[level - 1] = nuts.id
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return nuts
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@api.multi
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def run_import(self):
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nuts_model = self.env['res.partner.nuts'].\
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with_context(defer_parent_store_computation=True)
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self._load_countries()
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# All current NUTS (for available countries),
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# delete if not found above
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nuts_to_delete = nuts_model.search(
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[('country_id', 'in', [x.id for x in self._countries.values()]),
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('not_updatable', '=', False)])
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# Download NUTS in english, create or update
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logger.info('Importing NUTS 2013 English...')
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xmlcontent = self._download_nuts()
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dom = etree.fromstring(xmlcontent)
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for node in dom.iter('Item'):
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logger.debug('Reading level=%s, id=%s',
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node.get('idLevel', 'N/A'),
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node.get('id', 'N/A'))
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nuts = self.create_or_update_nuts(node)
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if nuts and nuts in nuts_to_delete:
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nuts_to_delete -= nuts
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# Delete obsolete NUTS
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if nuts_to_delete:
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logger.info('%d NUTS entries deleted' % len(nuts_to_delete))
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nuts_to_delete.unlink()
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logger.info(
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'The wizard to create NUTS entries from RAMON '
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'has been successfully completed.')
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return True
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