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