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82 lines
2.8 KiB
82 lines
2.8 KiB
# -*- coding: utf-8 -*-
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#
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#
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# Authors: Guewen Baconnier
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# Copyright 2015 Camptocamp SA
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import base64
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from StringIO import StringIO
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import unicodecsv
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from openerp.osv import orm, fields
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class SQLViewCSVPreview(orm.TransientModel):
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_name = 'sql.view.csv.preview'
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_columns = {
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'limit': fields.integer(string='Limit',
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help='Number of records. 0 means infinite.'),
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'data': fields.binary('CSV', readonly=True),
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'filename': fields.char('File Name', readonly=True),
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}
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_defaults = {
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'filename': 'csv-preview.csv',
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'limit': 100,
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}
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def _query(self, cr, uid, form, sql_view, context=None):
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view_name = sql_view.complete_sql_name
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query = "SELECT * FROM {view_name} "
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if form.limit:
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query += "LIMIT {limit}"
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return query.format(view_name=view_name, limit=form.limit)
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def export_csv(self, cr, uid, ids, context=None):
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if context is None:
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return
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sql_view_ids = context.get('active_ids', [])
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assert len(ids) == 1, "1 wizard ID expected"
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assert len(sql_view_ids) == 1, "1 active ID expected"
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form = self.browse(cr, uid, ids[0], context=context)
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sql_view = self.pool['sql.view'].browse(cr, uid, sql_view_ids[0],
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context=context)
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query = self._query(cr, uid, form, sql_view, context=context)
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cr.execute(query)
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headers = [desc[0] for desc in cr.description]
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records = cr.fetchall()
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filedata = StringIO()
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try:
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writer = unicodecsv.writer(filedata, encoding='utf-8')
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writer.writerow(headers)
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writer.writerows(records)
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form.write({'data': base64.encodestring(filedata.getvalue())})
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finally:
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filedata.close()
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return {
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'type': 'ir.actions.act_window',
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'res_model': self._name,
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'view_mode': 'form',
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'view_type': 'form',
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'res_id': ids[0],
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'views': [(False, 'form')],
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'target': 'new',
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}
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