QGIS/python/plugins/processing/algs/qgis/PostGISExecuteSQL.py
Juergen E. Fischer 956c155e8f fix python pep8 warnings and fix some revealed errors
pep8 --ignore=E111,E128,E201,E202,E203,E211,E221,E222,E225,E226,E227,E231,E241,E261,E265,E272,E302,E303,E501,E701 \
     --exclude="ui_*.py,debian/*,python/ext-libs/*" \
     .
2015-02-01 20:46:47 +01:00

73 lines
3.0 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
PostGISExecuteSQL.py
---------------------
Date : October 2012
Copyright : (C) 2012 by Victor Olaya and Carterix Geomatics
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya, Carterix Geomatics'
__date__ = 'October 2012'
__copyright__ = '(C) 2012, Victor Olaya, Carterix Geomatics'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from PyQt4.QtCore import QSettings
from processing.core.GeoAlgorithm import GeoAlgorithm
from processing.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
from processing.core.parameters import ParameterString
from processing.algs.qgis import postgis_utils
class PostGISExecuteSQL(GeoAlgorithm):
DATABASE = 'DATABASE'
SQL = 'SQL'
def processAlgorithm(self, progress):
connection = self.getParameterValue(self.DATABASE)
settings = QSettings()
mySettings = '/PostgreSQL/connections/' + connection
try:
database = settings.value(mySettings + '/database')
username = settings.value(mySettings + '/username')
host = settings.value(mySettings + '/host')
port = settings.value(mySettings + '/port', type=int)
password = settings.value(mySettings + '/password')
except Exception, e:
raise GeoAlgorithmExecutionException(
self.tr('Wrong database connection name: %s' % connection))
try:
self.db = postgis_utils.GeoDB(host=host, port=port,
dbname=database, user=username, passwd=password)
except postgis_utils.DbError, e:
raise GeoAlgorithmExecutionException(
self.tr("Couldn't connect to database:\n%s" % e.message))
sql = self.getParameterValue(self.SQL).replace('\n', ' ')
try:
self.db._exec_sql_and_commit(str(sql))
except postgis_utils.DbError, e:
raise GeoAlgorithmExecutionException(
self.tr('Error executing SQL:\n%s' % e.message))
def defineCharacteristics(self):
self.name = 'PostGIS execute SQL'
self.group = 'Database'
self.addParameter(ParameterString(self.DATABASE, self.tr('Database')))
self.addParameter(ParameterString(self.SQL, self.tr('SQL query'), '', True))