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# -*- encoding: utf-8 -*-
##############################################################################
#
# Base Location Geonames Import module for OpenERP
# Copyright (C) 2014 Akretion (http://www.akretion.com)
# @author Alexis de Lattre <alexis.delattre@akretion.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from openerp import models, fields, api, _
from openerp.exceptions import Warning
import requests
import tempfile
import StringIO
import unicodecsv
import zipfile
import os
import logging
logger = logging.getLogger(__name__)
class better_zip_geonames_import(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)
@api.model
def _prepare_better_zip(self, row, country_id, states):
'''This function is designed to be inherited'''
state_id = False
if states and row[4] and row[4] in states:
state_id = states[row[4].upper()]
vals = {
'name': row[1],
'city': row[2],
'state_id': state_id,
'country_id': country_id,
}
return vals
@api.model
def create_better_zip(
self, row, country_id, country_code, states):
bzip_id = False
if row[0] != country_code:
raise Warning(
_('Error:'),
_("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 row[1] and row[2]:
vals = self._prepare_better_zip(row, country_id, states)
if vals:
bzip_id = self.env['res.better.zip'].create(vals)
return bzip_id
@api.one
def run_import(self):
bzip_obj = self.env['res.better.zip']
country_id = self.country_id.id
country_code = self.country_id.code.upper()
url = 'http://download.geonames.org/export/zip/%s.zip' % country_code
logger.info('Starting to download %s' % url)
res_request = requests.get(url)
if res_request.status_code != requests.codes.ok:
raise Warning(
_('Error:'),
_('Got an error %d when trying to download the file %s.')
% (res_request.status_code, url))
bzip_ids_to_delete = bzip_obj.search([('country_id', '=', country_id)])
if bzip_ids_to_delete:
bzip_obj.unlink(bzip_ids_to_delete)
logger.info(
'%d better zip entries deleted for country %s'
% (len(bzip_ids_to_delete), self.country_id.name))
state_ids = self.env['res.country.state'].search(
[('country_id', '=', country_id)])
states = {}
# key = code of the state ; value = ID of the state in OpenERP
if state_ids:
states_r = self.env['res.country.state'].read(
state_ids, ['code', 'country_id'])
for state in states_r:
states[state['code'].upper()] = state['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 %s state information'
% (states and 'with' or 'without'))
for row in unicodecsv.reader(
data_file, encoding='utf-8', delimiter=' '):
self.create_better_zip(row, country_id, country_code, states)
data_file.close()
logger.info(
'The wizard to create better zip entries from geonames '
'has been successfully completed.')
return True