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ogr2ogrtopostgis.py
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ogr2ogrtopostgis.py
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# -*- coding: utf-8 -*-
"""
***************************************************************************
ogr2ogrtopostgis.py
---------------------
Date : November 2012
Copyright : (C) 2012 by Victor Olaya
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. *
* *
***************************************************************************
"""
from builtins import str
__author__ = 'Victor Olaya'
__date__ = 'November 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.core import (QgsProcessingParameterFeatureSource,
QgsProcessingParameterString,
QgsProcessingParameterEnum,
QgsProcessingParameterCrs,
QgsProcessingParameterField,
QgsProcessingParameterExtent,
QgsProcessingParameterBoolean,
QgsProcessingUtils)
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
from processing.algs.gdal.GdalUtils import GdalUtils
from processing.tools.system import isWindows
from processing.tools.vector import ogrConnectionString, ogrLayerName
class Ogr2OgrToPostGis(GdalAlgorithm):
INPUT = 'INPUT'
SHAPE_ENCODING = 'SHAPE_ENCODING'
GTYPE = 'GTYPE'
GEOMTYPE = ['', 'NONE', 'GEOMETRY', 'POINT', 'LINESTRING', 'POLYGON', 'GEOMETRYCOLLECTION', 'MULTIPOINT', 'MULTIPOLYGON', 'MULTILINESTRING']
S_SRS = 'S_SRS'
T_SRS = 'T_SRS'
A_SRS = 'A_SRS'
HOST = 'HOST'
PORT = 'PORT'
USER = 'USER'
DBNAME = 'DBNAME'
PASSWORD = 'PASSWORD'
SCHEMA = 'SCHEMA'
TABLE = 'TABLE'
PK = 'PK'
PRIMARY_KEY = 'PRIMARY_KEY'
GEOCOLUMN = 'GEOCOLUMN'
DIM = 'DIM'
DIMLIST = ['2', '3']
SIMPLIFY = 'SIMPLIFY'
SEGMENTIZE = 'SEGMENTIZE'
SPAT = 'SPAT'
CLIP = 'CLIP'
WHERE = 'WHERE'
GT = 'GT'
OVERWRITE = 'OVERWRITE'
APPEND = 'APPEND'
ADDFIELDS = 'ADDFIELDS'
LAUNDER = 'LAUNDER'
INDEX = 'INDEX'
SKIPFAILURES = 'SKIPFAILURES'
PRECISION = 'PRECISION'
PROMOTETOMULTI = 'PROMOTETOMULTI'
OPTIONS = 'OPTIONS'
def __init__(self):
super().__init__()
def initAlgorithm(self, config=None):
self.addParameter(QgsProcessingParameterFeatureSource(self.INPUT,
self.tr('Input layer')))
self.addParameter(QgsProcessingParameterString(self.SHAPE_ENCODING,
self.tr('Shape encoding'), "", optional=True))
self.addParameter(QgsProcessingParameterEnum(self.GTYPE,
self.tr('Output geometry type'), options=self.GEOMTYPE, defaultValue=0))
self.addParameter(QgsProcessingParameterCrs(self.A_SRS,
self.tr('Assign an output CRS'), defaultValue='', optional=False))
self.addParameter(QgsProcessingParameterCrs(self.T_SRS,
self.tr('Reproject to this CRS on output '), defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterCrs(self.S_SRS,
self.tr('Override source CRS'), defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterString(self.HOST,
self.tr('Host'), defaultValue='localhost', optional=True))
self.addParameter(QgsProcessingParameterString(self.PORT,
self.tr('Port'), defaultValue='5432', optional=True))
self.addParameter(QgsProcessingParameterString(self.USER,
self.tr('Username'), defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterString(self.DBNAME,
self.tr('Database name'), defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterString(self.PASSWORD,
self.tr('Password'), defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterString(self.SCHEMA,
self.tr('Schema name'), defaultValue='public', optional=True))
self.addParameter(QgsProcessingParameterString(self.TABLE,
self.tr('Table name, leave blank to use input name'),
defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterString(self.PK,
self.tr('Primary key (new field)'), defaultValue='id', optional=True))
self.addParameter(QgsProcessingParameterField(self.PRIMARY_KEY,
self.tr('Primary key (existing field, used if the above option is left empty)'), parentLayerParameterName=self.INPUT, optional=True))
self.addParameter(QgsProcessingParameterString(self.GEOCOLUMN,
self.tr('Geometry column name'), defaultValue='geom', optional=True))
self.addParameter(QgsProcessingParameterEnum(self.DIM,
self.tr('Vector dimensions'), options=self.DIMLIST, defaultValue=0))
self.addParameter(QgsProcessingParameterString(self.SIMPLIFY,
self.tr('Distance tolerance for simplification'),
defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterString(self.SEGMENTIZE,
self.tr('Maximum distance between 2 nodes (densification)'),
defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterExtent(self.SPAT,
self.tr('Select features by extent (defined in input layer CRS)')))
self.addParameter(QgsProcessingParameterBoolean(self.CLIP,
self.tr('Clip the input layer using the above (rectangle) extent'),
defaultValue=False))
self.addParameter(QgsProcessingParameterString(self.WHERE,
self.tr('Select features using a SQL "WHERE" statement (Ex: column=\'value\')'),
defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterString(self.GT,
self.tr('Group N features per transaction (Default: 20000)'),
defaultValue='', optional=True))
self.addParameter(QgsProcessingParameterBoolean(self.OVERWRITE,
self.tr('Overwrite existing table'), defaultValue=True))
self.addParameter(QgsProcessingParameterBoolean(self.APPEND,
self.tr('Append to existing table'), defaultValue=False))
self.addParameter(QgsProcessingParameterBoolean(self.ADDFIELDS,
self.tr('Append and add new fields to existing table'), defaultValue=False))
self.addParameter(QgsProcessingParameterBoolean(self.LAUNDER,
self.tr('Do not launder columns/table names'), defaultValue=False))
self.addParameter(QgsProcessingParameterBoolean(self.INDEX,
self.tr('Do not create spatial index'), defaultValue=False))
self.addParameter(QgsProcessingParameterBoolean(self.SKIPFAILURES,
self.tr('Continue after a failure, skipping the failed feature'), defaultValue=False))
self.addParameter(QgsProcessingParameterBoolean(self.PROMOTETOMULTI,
self.tr('Promote to Multipart'),
defaultValue=True))
self.addParameter(QgsProcessingParameterBoolean(self.PRECISION,
self.tr('Keep width and precision of input attributes'),
defaultValue=True))
self.addParameter(QgsProcessingParameterString(self.OPTIONS,
self.tr('Additional creation options'), defaultValue='', optional=True))
def name(self):
return 'importvectorintopostgisdatabasenewconnection'
def displayName(self):
return self.tr('Import Vector into PostGIS database (new connection)')
def group(self):
return self.tr('Vector miscellaneous')
def getConnectionString(self, parameters, context):
host = self.parameterAsString(parameters, self.HOST, context)
port = self.parameterAsString(parameters, self.PORT, context)
user = self.parameterAsString(parameters, self.USER, context)
dbname = self.parameterAsString(parameters, self.DBNAME, context)
password = self.parameterAsString(parameters, self.PASSWORD, context)
schema = self.parameterAsString(parameters, self.SCHEMA, context)
arguments = []
if host:
arguments.append('host=' + host)
if port:
arguments.append('port=' + str(port))
if dbname:
arguments.append('dbname=' + dbname)
if password:
arguments.append('password=' + password)
if schema:
arguments.append('active_schema=' + schema)
if user:
arguments.append('user=' + user)
return GdalUtils.escapeAndJoin(arguments)
def getConsoleCommands(self, parameters, context, feedback):
inLayer = self.parameterAsSource(parameters, self.INPUT, context)
ogrLayer, layername = self.getOgrCompatibleSource(self.INPUT, parameters, context, feedback)
shapeEncoding = self.parameterAsString(parameters, self.SHAPE_ENCODING, context)
ssrs = self.parameterAsCrs(parameters, self.S_SRS, context)
tsrs = self.parameterAsCrs(parameters, self.T_SRS, context)
asrs = self.parameterAsCrs(parameters, self.A_SRS, context)
table = self.parameterAsString(parameters, self.TABLE, context)
schema = self.parameterAsString(parameters, self.SCHEMA, context)
pk = self.parameterAsString(parameters, self.PK, context)
pkstring = "-lco FID=" + pk
primary_key = self.parameterAsString(parameters, self.PRIMARY_KEY, context)
geocolumn = self.parameterAsString(parameters, self.GEOCOLUMN, context)
geocolumnstring = "-lco GEOMETRY_NAME=" + geocolumn
dim = self.DIMLIST[self.parameterAsEnum(parameters, self.DIM, context)]
dimstring = "-lco DIM=" + dim
simplify = self.parameterAsString(parameters, self.SIMPLIFY, context)
segmentize = self.parameterAsString(parameters, self.SEGMENTIZE, context)
spat = self.parameterAsExtent(parameters, self.SPAT, context)
if spat.isNull():
spat = inLayer.sourceExtent()
clip = self.parameterAsBool(parameters, self.CLIP, context)
where = self.parameterAsString(parameters, self.WHERE, context)
wherestring = '-where "' + where + '"'
gt = self.parameterAsString(parameters, self.GT, context)
overwrite = self.parameterAsBool(parameters, self.OVERWRITE, context)
append = self.parameterAsBool(parameters, self.APPEND, context)
addfields = self.parameterAsBool(parameters, self.ADDFIELDS, context)
launder = self.parameterAsBool(parameters, self.LAUNDER, context)
launderstring = "-lco LAUNDER=NO"
index = self.parameterAsBool(parameters, self.INDEX, context)
indexstring = "-lco SPATIAL_INDEX=OFF"
skipfailures = self.parameterAsBool(parameters, self.SKIPFAILURES, context)
promotetomulti = self.parameterAsBool(parameters, self.PROMOTETOMULTI, context)
precision = self.parameterAsBool(parameters, self.PRECISION, context)
options = self.parameterAsString(parameters, self.OPTIONS, context)
arguments = []
arguments.append('-progress')
arguments.append('--config PG_USE_COPY YES')
if len(shapeEncoding) > 0:
arguments.append('--config')
arguments.append('SHAPE_ENCODING')
arguments.append('"' + shapeEncoding + '"')
arguments.append('-f')
arguments.append('PostgreSQL')
arguments.append('PG:"')
arguments.append(self.getConnectionString(parameters, context))
arguments.append('"')
arguments.append(dimstring)
arguments.append(ogrLayer)
arguments.append(ogrLayerName(inLayer))
if index:
arguments.append(indexstring)
if launder:
arguments.append(launderstring)
if append:
arguments.append('-append')
if addfields:
arguments.append('-addfields')
if overwrite:
arguments.append('-overwrite')
if len(self.GEOMTYPE[self.parameterAsEnum(parameters, self.GTYPE, context)]) > 0:
arguments.append('-nlt')
arguments.append(self.GEOMTYPE[self.parameterAsEnum(parameters, self.GTYPE, context)])
if len(geocolumn) > 0:
arguments.append(geocolumnstring)
if len(pk) > 0:
arguments.append(pkstring)
elif primary_key is not None:
arguments.append("-lco FID=" + primary_key)
if len(table) == 0:
table = ogrLayerName(inLayer).lower()
if schema:
table = '{}.{}'.format(schema, table)
arguments.append('-nln')
arguments.append(table)
if len(ssrs) > 0:
arguments.append('-s_srs')
arguments.append(ssrs)
if len(tsrs) > 0:
arguments.append('-t_srs')
arguments.append(tsrs)
if len(asrs) > 0:
arguments.append('-a_srs')
arguments.append(asrs)
if len(spat) > 0:
regionCoords = spat.split(',')
arguments.append('-spat')
arguments.append(regionCoords[0])
arguments.append(regionCoords[2])
arguments.append(regionCoords[1])
arguments.append(regionCoords[3])
if clip:
arguments.append('-clipsrc spat_extent')
if skipfailures:
arguments.append('-skipfailures')
if where:
arguments.append(wherestring)
if len(simplify) > 0:
arguments.append('-simplify')
arguments.append(simplify)
if len(segmentize) > 0:
arguments.append('-segmentize')
arguments.append(segmentize)
if len(gt) > 0:
arguments.append('-gt')
arguments.append(gt)
if promotetomulti:
arguments.append('-nlt PROMOTE_TO_MULTI')
if precision is False:
arguments.append('-lco PRECISION=NO')
if len(options) > 0:
arguments.append(options)
commands = []
if isWindows():
commands = ['cmd.exe', '/C ', 'ogr2ogr.exe',
GdalUtils.escapeAndJoin(arguments)]
else:
commands = ['ogr2ogr', GdalUtils.escapeAndJoin(arguments)]
return commands
def commandName(self):
return "ogr2ogr"