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248 lines
11 KiB
248 lines
11 KiB
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# Daniel Reis
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# 2011
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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 sys
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from datetime import datetime
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from openerp.osv import orm, fields
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import logging
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_logger = logging.getLogger(__name__)
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_loglvl = _logger.getEffectiveLevel()
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SEP = '|'
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class import_odbc_dbtable(orm.Model):
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_name = "import.odbc.dbtable"
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_description = 'Import Table Data'
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_order = 'exec_order'
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_columns = {
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'name': fields.char('Datasource name', required=True, size=64),
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'enabled': fields.boolean('Execution enabled'),
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'dbsource_id': fields.many2one('base.external.dbsource',
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'Database source', required=True),
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'sql_source': fields.text('SQL', required=True,
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help='Column names must be valid \
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"import_data" columns.'),
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'model_target': fields.many2one('ir.model', 'Target object'),
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'noupdate': fields.boolean('No updates',
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help="Only create new records;\
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disable updates to existing records."),
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'exec_order': fields.integer('Execution order',
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help="Defines the order to perform \
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the import"),
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'last_sync': fields.datetime('Last sync date',
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help="Datetime for the last succesfull \
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sync. \nLater changes on the source may \
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not be replicated on the destination"),
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'start_run': fields.datetime('Time started', readonly=True),
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'last_run': fields.datetime('Time ended', readonly=True),
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'last_record_count': fields.integer('Last record count',
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readonly=True),
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'last_error_count': fields.integer('Last error count', readonly=True),
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'last_warn_count': fields.integer('Last warning count', readonly=True),
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'last_log': fields.text('Last run log', readonly=True),
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'ignore_rel_errors': fields.boolean('Ignore relationship errors',
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help="On error try to reimport \
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rows ignoring relationships."),
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'raise_import_errors': fields.boolean('Raise import errors',
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help="Import errors not \
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handled, intended for \
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debugging purposes. \nAlso \
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forces debug messages to be \
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written to the server log."),
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}
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_defaults = {
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'enabled': True,
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'exec_order': 10,
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}
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def _import_data(self, cr, uid, flds, data, model_obj, table_obj, log):
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"""Import data and returns error msg or empty string"""
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def find_m2o(field_list):
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""""Find index of first column with a one2many field"""
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for i, x in enumerate(field_list):
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if len(x) > 3 and x[-3:] == ':id' or x[-3:] == '/id':
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return i
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return -1
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def append_to_log(log, level, obj_id='', msg='', rel_id=''):
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if '_id_' in obj_id:
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obj_id = ('.'.join(obj_id.split('_')[:-2]) + ': ' +
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obj_id.split('_')[-1])
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if ': .' in msg and not rel_id:
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rel_id = msg[msg.find(': .')+3:]
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if '_id_' in rel_id:
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rel_id = ('.'.join(rel_id.split('_')[:-2]) +
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': ' + rel_id.split('_')[-1])
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msg = msg[:msg.find(': .')]
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log['last_log'].append('%s|%s\t|%s\t|%s' % (level.ljust(5),
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obj_id, rel_id, msg))
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_logger.debug(data)
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cols = list(flds) # copy to avoid side effects
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errmsg = str()
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if table_obj.raise_import_errors:
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model_obj.import_data(cr, uid, cols, [data],
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noupdate=table_obj.noupdate)
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else:
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try:
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model_obj.import_data(cr, uid, cols, [data],
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noupdate=table_obj.noupdate)
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except:
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errmsg = str(sys.exc_info()[1])
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if errmsg and not table_obj.ignore_rel_errors:
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# Fail
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append_to_log(log, 'ERROR', data, errmsg)
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log['last_error_count'] += 1
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return False
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if errmsg and table_obj.ignore_rel_errors:
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# Warn and retry ignoring many2one fields...
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append_to_log(log, 'WARN', data, errmsg)
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log['last_warn_count'] += 1
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# Try ignoring each many2one
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# (tip: in the SQL sentence select more problematic FKs first)
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i = find_m2o(cols)
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if i >= 0:
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# Try again without the [i] column
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del cols[i]
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del data[i]
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self._import_data(cr, uid, cols, data, model_obj,
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table_obj, log)
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else:
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# Fail
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append_to_log(log, 'ERROR', data,
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'Removed all m2o keys and still fails.')
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log['last_error_count'] += 1
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return False
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return True
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def import_run(self, cr, uid, ids=None, context=None):
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db_model = self.pool.get('base.external.dbsource')
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actions = self.read(cr, uid, ids, ['id', 'exec_order'])
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actions.sort(key=lambda x: (x['exec_order'], x['id']))
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# Consider each dbtable:
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for action_ref in actions:
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obj = self.browse(cr, uid, action_ref['id'])
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if not obj.enabled:
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continue # skip
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_logger.setLevel(obj.raise_import_errors and
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logging.DEBUG or _loglvl)
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_logger.debug('Importing %s...' % obj.name)
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# now() microseconds are stripped
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# to avoid problem with SQL smalldate
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# TODO: convert UTC Now to local timezone
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# http://stackoverflow.com/questions/4770297/python-convert-utc-datetime-string-to-local-datetime
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model_name = obj.model_target.model
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model_obj = self.pool.get(model_name)
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xml_prefix = model_name.replace('.', '_') + "_id_"
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log = {'start_run': datetime.now().replace(microsecond=0),
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'last_run': None,
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'last_record_count': 0,
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'last_error_count': 0,
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'last_warn_count': 0,
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'last_log': list()}
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self.write(cr, uid, [obj.id], log)
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# Prepare SQL sentence; replace "%s" with the last_sync date
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if obj.last_sync:
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sync = datetime.strptime(obj.last_sync, "%Y-%m-%d %H:%M:%S")
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else:
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sync = datetime.datetime(1900, 1, 1, 0, 0, 0)
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params = {'sync': sync}
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res = db_model.execute(cr, uid, [obj.dbsource_id.id],
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obj.sql_source, params, metadata=True)
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# Exclude columns titled "None"; add (xml_)"id" column
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cidx = ([i for i, x in enumerate(res['cols'])
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if x.upper() != 'NONE'])
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cols = ([x for i, x in enumerate(res['cols'])
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if x.upper() != 'NONE'] + ['id'])
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# Import each row:
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for row in res['rows']:
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# Build data row;
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# import only columns present in the "cols" list
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data = list()
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for i in cidx:
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# TODO: Handle imported datetimes properly
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# convert from localtime to UTC!
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v = row[i]
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if isinstance(v, str):
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v = v.strip()
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data.append(v)
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data.append(xml_prefix + str(row[0]).strip())
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# Import the row; on error, write line to the log
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log['last_record_count'] += 1
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self._import_data(cr, uid, cols, data, model_obj, obj, log)
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if log['last_record_count'] % 500 == 0:
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_logger.info('...%s rows processed...'
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% (log['last_record_count']))
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# Finished importing all rows
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# If no errors, write new sync date
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if not (log['last_error_count'] or log['last_warn_count']):
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log['last_sync'] = log['start_run']
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level = logging.DEBUG
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if log['last_warn_count']:
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level = logging.WARN
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if log['last_error_count']:
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level = logging.ERROR
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_logger.log(level,
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'Imported %s , %d rows, %d errors, %d warnings.' %
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(model_name, log['last_record_count'],
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log['last_error_count'],
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log['last_warn_count']))
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# Write run log, either if the table import is active or inactive
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if log['last_log']:
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log['last_log'].insert(0,
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'LEVEL|== Line == |== Relationship \
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==|== Message ==')
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log.update({'last_log': '\n'.join(log['last_log'])})
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log.update({'last_run': datetime.now().replace(microsecond=0)})
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self.write(cr, uid, [obj.id], log)
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# Finished
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_logger.debug('Import job FINISHED.')
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return True
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def import_schedule(self, cr, uid, ids, context=None):
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cron_obj = self.pool.get('ir.cron')
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new_create_id = cron_obj.create(cr, uid, {
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'name': 'Import ODBC tables',
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'interval_type': 'hours',
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'interval_number': 1,
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'numbercall': -1,
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'model': 'import.odbc.dbtable',
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'function': 'import_run',
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'doall': False,
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'active': True
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})
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return {
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'name': 'Import ODBC tables',
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'view_type': 'form',
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'view_mode': 'form,tree',
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'res_model': 'ir.cron',
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'res_id': new_create_id,
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'type': 'ir.actions.act_window',
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}
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