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# -*- coding: utf-8 -*-
# © 2014 Alexis de Lattre <alexis.delattre@akretion.com>
# © 2014 Lorenzo Battistini <lorenzo.battistini@agilebg.com>
# © 2016 Pedro M. Baeza <pedro.baeza@serviciosbaeza.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from openerp import models, fields, api, _
from openerp.exceptions import UserError
import requests
import tempfile
import StringIO
import zipfile
import os
import logging
try:
import unicodecsv
except ImportError:
unicodecsv = None
logger = logging.getLogger(__name__)
class BetterZipGeonamesImport(models.TransientModel):
_name = 'better.zip.geonames.import'
_description = 'Import Better Zip from Geonames'
_rec_name = 'country_id'
country_id = fields.Many2one('res.country', 'Country', required=True)
title_case = fields.Boolean(
string='Title Case',
help='Converts retreived city and state names to Title Case.',
)
@api.model
def transform_city_name(self, city, country):
"""Override it for transforming city name (if needed)
:param city: Original city name
:param country: Country record
:return: Transformed city name
"""
return city
@api.model
def _domain_search_better_zip(self, row, country):
return [('name', '=', row[1]),
('city', '=', self.transform_city_name(row[2], country)),
('country_id', '=', country.id)]
@api.model
def _prepare_better_zip(self, row, country):
state = self.select_or_create_state(row, country)
vals = {
'name': row[1],
'city': self.transform_city_name(row[2], country),
'state_id': state.id,
'country_id': country.id,
}
return vals
@api.model
def create_better_zip(self, row, country):
if row[0] != country.code:
raise UserError(
_("The country code inside the file (%s) doesn't "
"correspond to the selected country (%s).")
% (row[0], country.code))
logger.debug('ZIP = %s - City = %s' % (row[1], row[2]))
if (self.title_case):
row[2] = row[2].title()
row[3] = row[3].title()
if row[1] and row[2]:
zip_model = self.env['res.better.zip']
zips = zip_model.search(self._domain_search_better_zip(
row, country))
if zips:
return zips[0]
else:
vals = self._prepare_better_zip(row, country)
if vals:
return zip_model.create(vals)
else:
return False
@api.model
def select_or_create_state(
self, row, country, code_row_index=4, name_row_index=3):
states = self.env['res.country.state'].search([
('country_id', '=', country.id),
('code', '=', row[code_row_index]),
])
if len(states) > 1:
raise UserError(
_("Too many states with code %s for country %s")
% (row[code_row_index], country.code))
if len(states) == 1:
return states[0]
else:
return self.env['res.country.state'].create({
'name': row[name_row_index],
'code': row[code_row_index],
'country_id': country.id
})
@api.multi
def run_import(self):
self.ensure_one()
zip_model = self.env['res.better.zip']
country_code = self.country_id.code
config_url = self.env['ir.config_parameter'].get_param(
'geonames.url',
default='http://download.geonames.org/export/zip/%s.zip')
url = config_url % country_code
logger.info('Starting to download %s' % url)
res_request = requests.get(url)
if res_request.status_code != requests.codes.ok:
raise UserError(
_('Got an error %d when trying to download the file %s.')
% (res_request.status_code, url))
# Store current record list
zips_to_delete = zip_model.search(
[('country_id', '=', self.country_id.id)])
f_geonames = zipfile.ZipFile(StringIO.StringIO(res_request.content))
tempdir = tempfile.mkdtemp(prefix='openerp')
f_geonames.extract('%s.txt' % country_code, tempdir)
logger.info('The geonames zipfile has been decompressed')
data_file = open(os.path.join(tempdir, '%s.txt' % country_code), 'r')
data_file.seek(0)
logger.info('Starting to create the better zip entries')
max_import = self.env.context.get('max_import', 0)
reader = unicodecsv.reader(data_file, encoding='utf-8', delimiter=' ')
for i, row in enumerate(reader):
zip_code = self.create_better_zip(row, self.country_id)
if zip_code in zips_to_delete:
zips_to_delete -= zip_code
if max_import and i == max_import:
break
data_file.close()
if zips_to_delete and not max_import:
zips_to_delete.unlink()
logger.info('%d better zip entries deleted for country %s' %
(len(zips_to_delete), self.country_id.name))
logger.info(
'The wizard to create better zip entries from geonames '
'has been successfully completed.')
return True