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ogr2ogr.py
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ogr2ogr.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#*****************************************************************************
# $Id$
#
# Project: OpenGIS Simple Features Reference Implementation
# Purpose: Python port of a simple client for translating between formats.
# Author: Even Rouault, <even dot rouault at mines dash paris dot org>
#
# Port from ogr2ogr.cpp whose author is Frank Warmerdam
#
#*****************************************************************************
# Copyright (c) 2010-2013, Even Rouault <even dot rouault at mines-paris dot org>
# Copyright (c) 1999, Frank Warmerdam
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#**************************************************************************
# Note : this is the most direct port of ogr2ogr.cpp possible
# It could be made much more Python'ish !
import sys
import os
import stat
from osgeo import gdal
from osgeo import ogr
from osgeo import osr
###############################################################################
class ScaledProgressObject:
def __init__(self, min, max, cbk, cbk_data = None):
self.min = min
self.max = max
self.cbk = cbk
self.cbk_data = cbk_data
###############################################################################
def ScaledProgressFunc(pct, msg, data):
if data.cbk is None:
return True
return data.cbk(data.min + pct * (data.max - data.min), msg, data.cbk_data)
###############################################################################
def EQUAL(a, b):
return a.lower() == b.lower()
###############################################################################
# Redefinition of GDALTermProgress, so that autotest/pyscripts/test_ogr2ogr_py.py
# can check that the progress bar is displayed
nLastTick = -1
def TermProgress( dfComplete, pszMessage, pProgressArg ):
global nLastTick
nThisTick = (int) (dfComplete * 40.0)
if nThisTick < 0:
nThisTick = 0
if nThisTick > 40:
nThisTick = 40
# Have we started a new progress run?
if nThisTick < nLastTick and nLastTick >= 39:
nLastTick = -1
if nThisTick <= nLastTick:
return True
while nThisTick > nLastTick:
nLastTick = nLastTick + 1
if (nLastTick % 4) == 0:
sys.stdout.write('%d' % ((nLastTick / 4) * 10))
else:
sys.stdout.write('.')
if nThisTick == 40:
print(" - done." )
else:
sys.stdout.flush()
return True
class TargetLayerInfo:
def __init__(self):
self.poDstLayer = None
self.poCT = None
#self.papszTransformOptions = None
self.panMap = None
self.iSrcZField = None
class AssociatedLayers:
def __init__(self):
self.poSrcLayer = None
self.psInfo = None
#**********************************************************************
# main()
#**********************************************************************
bSkipFailures = False
nGroupTransactions = 200
bPreserveFID = False
nFIDToFetch = ogr.NullFID
class Enum(set):
def __getattr__(self, name):
if name in self:
return name
raise AttributeError
GeomOperation = Enum(["NONE", "SEGMENTIZE", "SIMPLIFY_PRESERVE_TOPOLOGY"])
def main(args = None, progress_func = TermProgress, progress_data = None):
global bSkipFailures
global nGroupTransactions
global bPreserveFID
global nFIDToFetch
pszFormat = "ESRI Shapefile"
pszDataSource = None
pszDestDataSource = None
papszLayers = []
papszDSCO = []
papszLCO = []
bTransform = False
bAppend = False
bUpdate = False
bOverwrite = False
pszOutputSRSDef = None
pszSourceSRSDef = None
poOutputSRS = None
bNullifyOutputSRS = False
poSourceSRS = None
pszNewLayerName = None
pszWHERE = None
poSpatialFilter = None
pszSelect = None
papszSelFields = None
pszSQLStatement = None
eGType = -2
bPromoteToMulti = False
eGeomOp = GeomOperation.NONE
dfGeomOpParam = 0
papszFieldTypesToString = []
bDisplayProgress = False
pfnProgress = None
pProgressArg = None
bClipSrc = False
bWrapDateline = False
poClipSrc = None
pszClipSrcDS = None
pszClipSrcSQL = None
pszClipSrcLayer = None
pszClipSrcWhere = None
poClipDst = None
pszClipDstDS = None
pszClipDstSQL = None
pszClipDstLayer = None
pszClipDstWhere = None
#pszSrcEncoding = None
#pszDstEncoding = None
bWrapDateline = False
bExplodeCollections = False
pszZField = None
nCoordDim = -1
if args is None:
args = sys.argv
args = ogr.GeneralCmdLineProcessor( args )
# --------------------------------------------------------------------
# Processing command line arguments.
# --------------------------------------------------------------------
if args is None:
return False
nArgc = len(args)
iArg = 1
while iArg < nArgc:
if EQUAL(args[iArg],"-f") and iArg < nArgc-1:
iArg = iArg + 1
pszFormat = args[iArg]
elif EQUAL(args[iArg],"-dsco") and iArg < nArgc-1:
iArg = iArg + 1
papszDSCO.append(args[iArg] )
elif EQUAL(args[iArg],"-lco") and iArg < nArgc-1:
iArg = iArg + 1
papszLCO.append(args[iArg] )
elif EQUAL(args[iArg],"-preserve_fid"):
bPreserveFID = True
elif len(args[iArg]) >= 5 and EQUAL(args[iArg][0:5], "-skip"):
bSkipFailures = True
nGroupTransactions = 1 # #2409
elif EQUAL(args[iArg],"-append"):
bAppend = True
bUpdate = True
elif EQUAL(args[iArg],"-overwrite"):
bOverwrite = True
bUpdate = True
elif EQUAL(args[iArg],"-update"):
bUpdate = True
elif EQUAL(args[iArg],"-fid") and iArg < nArgc-1:
iArg = iArg + 1
nFIDToFetch = int(args[iArg])
elif EQUAL(args[iArg],"-sql") and iArg < nArgc-1:
iArg = iArg + 1
pszSQLStatement = args[iArg]
elif EQUAL(args[iArg],"-nln") and iArg < nArgc-1:
iArg = iArg + 1
pszNewLayerName = args[iArg]
elif EQUAL(args[iArg],"-nlt") and iArg < nArgc-1:
if EQUAL(args[iArg+1],"NONE"):
eGType = ogr.wkbNone
elif EQUAL(args[iArg+1],"GEOMETRY"):
eGType = ogr.wkbUnknown
elif EQUAL(args[iArg+1],"PROMOTE_TO_MULTI"):
bPromoteToMulti = True
elif EQUAL(args[iArg+1],"POINT"):
eGType = ogr.wkbPoint
elif EQUAL(args[iArg+1],"LINESTRING"):
eGType = ogr.wkbLineString
elif EQUAL(args[iArg+1],"POLYGON"):
eGType = ogr.wkbPolygon
elif EQUAL(args[iArg+1],"GEOMETRYCOLLECTION"):
eGType = ogr.wkbGeometryCollection
elif EQUAL(args[iArg+1],"MULTIPOINT"):
eGType = ogr.wkbMultiPoint
elif EQUAL(args[iArg+1],"MULTILINESTRING"):
eGType = ogr.wkbMultiLineString
elif EQUAL(args[iArg+1],"MULTIPOLYGON"):
eGType = ogr.wkbMultiPolygon
elif EQUAL(args[iArg+1],"GEOMETRY25D"):
eGType = ogr.wkbUnknown | ogr.wkb25DBit
elif EQUAL(args[iArg+1],"POINT25D"):
eGType = ogr.wkbPoint25D
elif EQUAL(args[iArg+1],"LINESTRING25D"):
eGType = ogr.wkbLineString25D
elif EQUAL(args[iArg+1],"POLYGON25D"):
eGType = ogr.wkbPolygon25D
elif EQUAL(args[iArg+1],"GEOMETRYCOLLECTION25D"):
eGType = ogr.wkbGeometryCollection25D
elif EQUAL(args[iArg+1],"MULTIPOINT25D"):
eGType = ogr.wkbMultiPoint25D
elif EQUAL(args[iArg+1],"MULTILINESTRING25D"):
eGType = ogr.wkbMultiLineString25D
elif EQUAL(args[iArg+1],"MULTIPOLYGON25D"):
eGType = ogr.wkbMultiPolygon25D
else:
print("-nlt %s: type not recognised." % args[iArg+1])
return False
iArg = iArg + 1
elif EQUAL(args[iArg],"-dim") and iArg < nArgc-1:
nCoordDim = int(args[iArg+1])
if nCoordDim != 2 and nCoordDim != 3:
print("-dim %s: value not handled." % args[iArg+1])
return False
iArg = iArg + 1
elif (EQUAL(args[iArg],"-tg") or \
EQUAL(args[iArg],"-gt")) and iArg < nArgc-1:
iArg = iArg + 1
nGroupTransactions = int(args[iArg])
elif EQUAL(args[iArg],"-s_srs") and iArg < nArgc-1:
iArg = iArg + 1
pszSourceSRSDef = args[iArg]
elif EQUAL(args[iArg],"-a_srs") and iArg < nArgc-1:
iArg = iArg + 1
pszOutputSRSDef = args[iArg]
if EQUAL(pszOutputSRSDef, "NULL") or \
EQUAL(pszOutputSRSDef, "NONE"):
pszOutputSRSDef = None
bNullifyOutputSRS = True
elif EQUAL(args[iArg],"-t_srs") and iArg < nArgc-1:
iArg = iArg + 1
pszOutputSRSDef = args[iArg]
bTransform = True
elif EQUAL(args[iArg],"-spat") and iArg + 4 < nArgc:
oRing = ogr.Geometry(ogr.wkbLinearRing)
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+2]) )
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+4]) )
oRing.AddPoint_2D( float(args[iArg+3]), float(args[iArg+4]) )
oRing.AddPoint_2D( float(args[iArg+3]), float(args[iArg+2]) )
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+2]) )
poSpatialFilter = ogr.Geometry(ogr.wkbPolygon)
poSpatialFilter.AddGeometry(oRing)
iArg = iArg + 4
elif EQUAL(args[iArg],"-where") and iArg < nArgc-1:
iArg = iArg + 1
pszWHERE = args[iArg]
elif EQUAL(args[iArg],"-select") and iArg < nArgc-1:
iArg = iArg + 1
pszSelect = args[iArg]
if pszSelect.find(',') != -1:
papszSelFields = pszSelect.split(',')
else:
papszSelFields = pszSelect.split(' ')
if papszSelFields[0] == '':
papszSelFields = []
elif EQUAL(args[iArg],"-simplify") and iArg < nArgc-1:
iArg = iArg + 1
eGeomOp = GeomOperation.SIMPLIFY_PRESERVE_TOPOLOGY
dfGeomOpParam = float(args[iArg])
elif EQUAL(args[iArg],"-segmentize") and iArg < nArgc-1:
iArg = iArg + 1
eGeomOp = GeomOperation.SEGMENTIZE
dfGeomOpParam = float(args[iArg])
elif EQUAL(args[iArg],"-fieldTypeToString") and iArg < nArgc-1:
iArg = iArg + 1
pszFieldTypeToString = args[iArg]
if pszFieldTypeToString.find(',') != -1:
tokens = pszFieldTypeToString.split(',')
else:
tokens = pszFieldTypeToString.split(' ')
for token in tokens:
if EQUAL(token,"Integer") or \
EQUAL(token,"Real") or \
EQUAL(token,"String") or \
EQUAL(token,"Date") or \
EQUAL(token,"Time") or \
EQUAL(token,"DateTime") or \
EQUAL(token,"Binary") or \
EQUAL(token,"IntegerList") or \
EQUAL(token,"RealList") or \
EQUAL(token,"StringList"):
papszFieldTypesToString.append(token)
elif EQUAL(token,"All"):
papszFieldTypesToString = [ 'All' ]
break
else:
print("Unhandled type for fieldtypeasstring option : %s " % token)
return Usage()
elif EQUAL(args[iArg],"-progress"):
bDisplayProgress = True
#elif EQUAL(args[iArg],"-wrapdateline") )
#{
# bWrapDateline = True;
#}
#
elif EQUAL(args[iArg],"-clipsrc") and iArg < nArgc-1:
bClipSrc = True
if IsNumber(args[iArg+1]) and iArg < nArgc - 4:
oRing = ogr.Geometry(ogr.wkbLinearRing)
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+2]) )
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+4]) )
oRing.AddPoint_2D( float(args[iArg+3]), float(args[iArg+4]) )
oRing.AddPoint_2D( float(args[iArg+3]), float(args[iArg+2]) )
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+2]) )
poClipSrc = ogr.Geometry(ogr.wkbPolygon)
poClipSrc.AddGeometry(oRing)
iArg = iArg + 4
elif (len(args[iArg+1]) >= 7 and EQUAL(args[iArg+1][0:7],"POLYGON") ) or \
(len(args[iArg+1]) >= 12 and EQUAL(args[iArg+1][0:12],"MULTIPOLYGON") ) :
poClipSrc = ogr.CreateGeometryFromWkt(args[iArg+1])
if poClipSrc is None:
print("FAILURE: Invalid geometry. Must be a valid POLYGON or MULTIPOLYGON WKT\n")
return Usage()
iArg = iArg + 1
elif EQUAL(args[iArg+1],"spat_extent"):
iArg = iArg + 1
else:
pszClipSrcDS = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-clipsrcsql") and iArg < nArgc-1:
pszClipSrcSQL = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-clipsrclayer") and iArg < nArgc-1:
pszClipSrcLayer = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-clipsrcwhere") and iArg < nArgc-1:
pszClipSrcWhere = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-clipdst") and iArg < nArgc-1:
if IsNumber(args[iArg+1]) and iArg < nArgc - 4:
oRing = ogr.Geometry(ogr.wkbLinearRing)
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+2]) )
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+4]) )
oRing.AddPoint_2D( float(args[iArg+3]), float(args[iArg+4]) )
oRing.AddPoint_2D( float(args[iArg+3]), float(args[iArg+2]) )
oRing.AddPoint_2D( float(args[iArg+1]), float(args[iArg+2]) )
poClipDst = ogr.Geometry(ogr.wkbPolygon)
poClipDst.AddGeometry(oRing)
iArg = iArg + 4
elif (len(args[iArg+1]) >= 7 and EQUAL(args[iArg+1][0:7],"POLYGON") ) or \
(len(args[iArg+1]) >= 12 and EQUAL(args[iArg+1][0:12],"MULTIPOLYGON") ) :
poClipDst = ogr.CreateGeometryFromWkt(args[iArg+1])
if poClipDst is None:
print("FAILURE: Invalid geometry. Must be a valid POLYGON or MULTIPOLYGON WKT\n")
return Usage()
iArg = iArg + 1
elif EQUAL(args[iArg+1],"spat_extent"):
iArg = iArg + 1
else:
pszClipDstDS = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-clipdstsql") and iArg < nArgc-1:
pszClipDstSQL = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-clipdstlayer") and iArg < nArgc-1:
pszClipDstLayer = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-clipdstwhere") and iArg < nArgc-1:
pszClipDstWhere = args[iArg+1]
iArg = iArg + 1
elif EQUAL(args[iArg],"-explodecollections"):
bExplodeCollections = True
elif EQUAL(args[iArg],"-zfield") and iArg < nArgc-1:
pszZField = args[iArg+1]
iArg = iArg + 1
elif args[iArg][0] == '-':
return Usage()
elif pszDestDataSource is None:
pszDestDataSource = args[iArg]
elif pszDataSource is None:
pszDataSource = args[iArg]
else:
papszLayers.append (args[iArg] )
iArg = iArg + 1
if pszDataSource is None:
return Usage()
if bPreserveFID and bExplodeCollections:
print("FAILURE: cannot use -preserve_fid and -explodecollections at the same time\n\n")
return Usage()
if bClipSrc and pszClipSrcDS is not None:
poClipSrc = LoadGeometry(pszClipSrcDS, pszClipSrcSQL, pszClipSrcLayer, pszClipSrcWhere)
if poClipSrc is None:
print("FAILURE: cannot load source clip geometry\n" )
return Usage()
elif bClipSrc and poClipSrc is None:
if poSpatialFilter is not None:
poClipSrc = poSpatialFilter.Clone()
if poClipSrc is None:
print("FAILURE: -clipsrc must be used with -spat option or a\n" + \
"bounding box, WKT string or datasource must be specified\n")
return Usage()
if pszClipDstDS is not None:
poClipDst = LoadGeometry(pszClipDstDS, pszClipDstSQL, pszClipDstLayer, pszClipDstWhere)
if poClipDst is None:
print("FAILURE: cannot load dest clip geometry\n" )
return Usage()
# --------------------------------------------------------------------
# Open data source.
# --------------------------------------------------------------------
poDS = ogr.Open( pszDataSource, False )
# --------------------------------------------------------------------
# Report failure
# --------------------------------------------------------------------
if poDS is None:
print("FAILURE:\n" + \
"Unable to open datasource `%s' with the following drivers." % pszDataSource)
for iDriver in range(ogr.GetDriverCount()):
print(" -> " + ogr.GetDriver(iDriver).GetName() )
return False
# --------------------------------------------------------------------
# Try opening the output datasource as an existing, writable
# --------------------------------------------------------------------
poODS = None
poDriver = None
if bUpdate:
poODS = ogr.Open( pszDestDataSource, True )
if poODS is None:
if bOverwrite or bAppend:
poODS = ogr.Open( pszDestDataSource, False )
if poODS is None:
# the datasource doesn't exist at all
bUpdate = False
else:
poODS.delete()
poODS = None
if bUpdate:
print("FAILURE:\n" +
"Unable to open existing output datasource `%s'." % pszDestDataSource)
return False
elif len(papszDSCO) > 0:
print("WARNING: Datasource creation options ignored since an existing datasource\n" + \
" being updated." )
if poODS is not None:
poDriver = poODS.GetDriver()
# --------------------------------------------------------------------
# Find the output driver.
# --------------------------------------------------------------------
if not bUpdate:
poDriver = ogr.GetDriverByName(pszFormat)
if poDriver is None:
print("Unable to find driver `%s'." % pszFormat)
print( "The following drivers are available:" )
for iDriver in range(ogr.GetDriverCount()):
print(" -> %s" % ogr.GetDriver(iDriver).GetName() )
return False
if poDriver.TestCapability( ogr.ODrCCreateDataSource ) == False:
print( "%s driver does not support data source creation." % pszFormat)
return False
# --------------------------------------------------------------------
# Special case to improve user experience when translating
# a datasource with multiple layers into a shapefile. If the
# user gives a target datasource with .shp and it does not exist,
# the shapefile driver will try to create a file, but this is not
# appropriate because here we have several layers, so create
# a directory instead.
# --------------------------------------------------------------------
if EQUAL(poDriver.GetName(), "ESRI Shapefile") and \
pszSQLStatement is None and \
(len(papszLayers) > 1 or \
(len(papszLayers) == 0 and poDS.GetLayerCount() > 1)) and \
pszNewLayerName is None and \
EQUAL(os.path.splitext(pszDestDataSource)[1], ".SHP") :
try:
os.stat(pszDestDataSource)
except:
try:
# decimal 493 = octal 0755. Python 3 needs 0o755, but
# this syntax is only supported by Python >= 2.6
os.mkdir(pszDestDataSource, 493)
except:
print("Failed to create directory %s\n"
"for shapefile datastore.\n" % pszDestDataSource )
return False
# --------------------------------------------------------------------
# Create the output data source.
# --------------------------------------------------------------------
poODS = poDriver.CreateDataSource( pszDestDataSource, options = papszDSCO )
if poODS is None:
print( "%s driver failed to create %s" % (pszFormat, pszDestDataSource ))
return False
# --------------------------------------------------------------------
# Parse the output SRS definition if possible.
# --------------------------------------------------------------------
if pszOutputSRSDef is not None:
poOutputSRS = osr.SpatialReference()
if poOutputSRS.SetFromUserInput( pszOutputSRSDef ) != 0:
print( "Failed to process SRS definition: %s" % pszOutputSRSDef )
return False
# --------------------------------------------------------------------
# Parse the source SRS definition if possible.
# --------------------------------------------------------------------
if pszSourceSRSDef is not None:
poSourceSRS = osr.SpatialReference()
if poSourceSRS.SetFromUserInput( pszSourceSRSDef ) != 0:
print( "Failed to process SRS definition: %s" % pszSourceSRSDef )
return False
# --------------------------------------------------------------------
# For OSM file.
# --------------------------------------------------------------------
bSrcIsOSM = poDS.GetDriver() is not None and \
poDS.GetDriver().GetName() == "OSM"
nSrcFileSize = 0
if bSrcIsOSM and poDS.GetName() != "/vsistdin/":
sStat = gdal.VSIStatL(poDS.GetName())
if sStat is not None:
nSrcFileSize = sStat.size
# --------------------------------------------------------------------
# Special case for -sql clause. No source layers required.
# --------------------------------------------------------------------
if pszSQLStatement is not None:
if pszWHERE is not None:
print( "-where clause ignored in combination with -sql." )
if len(papszLayers) > 0:
print( "layer names ignored in combination with -sql." )
poResultSet = poDS.ExecuteSQL( pszSQLStatement, poSpatialFilter, \
None )
if poResultSet is not None:
nCountLayerFeatures = 0
if bDisplayProgress:
if bSrcIsOSM:
pfnProgress = progress_func
pProgressArg = progress_data
elif not poResultSet.TestCapability(ogr.OLCFastFeatureCount):
print( "Progress turned off as fast feature count is not available.")
bDisplayProgress = False
else:
nCountLayerFeatures = poResultSet.GetFeatureCount()
pfnProgress = progress_func
pProgressArg = progress_data
# --------------------------------------------------------------------
# Special case to improve user experience when translating into
# single file shapefile and source has only one layer, and that
# the layer name isn't specified
# --------------------------------------------------------------------
if EQUAL(poDriver.GetName(), "ESRI Shapefile") and \
pszNewLayerName is None:
try:
mode = os.stat(pszDestDataSource).st_mode
if (mode & stat.S_IFDIR) == 0:
pszNewLayerName = os.path.splitext(os.path.basename(pszDestDataSource))[0]
except:
pass
psInfo = SetupTargetLayer( poDS, \
poResultSet,
poODS, \
papszLCO, \
pszNewLayerName, \
bTransform, \
poOutputSRS, \
bNullifyOutputSRS, \
poSourceSRS, \
papszSelFields, \
bAppend, eGType, bPromoteToMulti, nCoordDim, bOverwrite, \
papszFieldTypesToString, \
bWrapDateline, \
bExplodeCollections, \
pszZField, \
pszWHERE )
poResultSet.ResetReading()
if psInfo is None or not TranslateLayer( psInfo, poDS, poResultSet, poODS, \
poOutputSRS, bNullifyOutputSRS, \
eGType, bPromoteToMulti, nCoordDim, \
eGeomOp, dfGeomOpParam, \
nCountLayerFeatures, \
poClipSrc, poClipDst, \
bExplodeCollections, \
nSrcFileSize, None, \
pfnProgress, pProgressArg ):
print(
"Terminating translation prematurely after failed\n" + \
"translation from sql statement." )
return False
poDS.ReleaseResultSet( poResultSet )
# --------------------------------------------------------------------
# Special case for layer interleaving mode.
# --------------------------------------------------------------------
elif bSrcIsOSM and gdal.GetConfigOption("OGR_INTERLEAVED_READING", None) is None:
gdal.SetConfigOption("OGR_INTERLEAVED_READING", "YES")
#if (bSplitListFields)
#{
# fprintf( stderr, "FAILURE: -splitlistfields not supported in this mode\n" );
# exit( 1 );
#}
nSrcLayerCount = poDS.GetLayerCount()
pasAssocLayers = [ AssociatedLayers() for i in range(nSrcLayerCount) ]
# --------------------------------------------------------------------
# Special case to improve user experience when translating into
# single file shapefile and source has only one layer, and that
# the layer name isn't specified
# --------------------------------------------------------------------
if EQUAL(poDriver.GetName(), "ESRI Shapefile") and \
(len(papszLayers) == 1 or nSrcLayerCount == 1) and pszNewLayerName is None:
try:
mode = os.stat(pszDestDataSource).st_mode
if (mode & stat.S_IFDIR) == 0:
pszNewLayerName = os.path.splitext(os.path.basename(pszDestDataSource))[0]
except:
pass
if bDisplayProgress and bSrcIsOSM:
pfnProgress = progress_func
pProgressArg = progress_data
# --------------------------------------------------------------------
# If no target layer specified, use all source layers.
# --------------------------------------------------------------------
if len(papszLayers) == 0:
papszLayers = [ None for i in range(nSrcLayerCount) ]
for iLayer in range(nSrcLayerCount):
poLayer = poDS.GetLayer(iLayer)
if poLayer is None:
print("FAILURE: Couldn't fetch advertised layer %d!" % iLayer)
return False
papszLayers[iLayer] = poLayer.GetName()
else:
if bSrcIsOSM:
osInterestLayers = "SET interest_layers ="
for iLayer in range(len(papszLayers)):
if iLayer != 0:
osInterestLayers = osInterestLayers + ","
osInterestLayers = osInterestLayers + papszLayers[iLayer]
poDS.ExecuteSQL(osInterestLayers, None, None)
# --------------------------------------------------------------------
# First pass to set filters and create target layers.
# --------------------------------------------------------------------
for iLayer in range(nSrcLayerCount):
poLayer = poDS.GetLayer(iLayer)
if poLayer is None:
print("FAILURE: Couldn't fetch advertised layer %d!" % iLayer)
return False
pasAssocLayers[iLayer].poSrcLayer = poLayer
if CSLFindString(papszLayers, poLayer.GetName()) >= 0:
if pszWHERE is not None:
if poLayer.SetAttributeFilter( pszWHERE ) != 0:
print("FAILURE: SetAttributeFilter(%s) on layer '%s' failed.\n" % (pszWHERE, poLayer.GetName()) )
if not bSkipFailures:
return False
if poSpatialFilter is not None:
poLayer.SetSpatialFilter( poSpatialFilter )
psInfo = SetupTargetLayer( poDS, \
poLayer, \
poODS, \
papszLCO, \
pszNewLayerName, \
bTransform, \
poOutputSRS, \
bNullifyOutputSRS, \
poSourceSRS, \
papszSelFields, \
bAppend, eGType, bPromoteToMulti, nCoordDim, bOverwrite, \
papszFieldTypesToString, \
bWrapDateline, \
bExplodeCollections, \
pszZField, \
pszWHERE )
if psInfo is None and not bSkipFailures:
return False
pasAssocLayers[iLayer].psInfo = psInfo
else:
pasAssocLayers[iLayer].psInfo = None
# --------------------------------------------------------------------
# Second pass to process features in a interleaved layer mode.
# --------------------------------------------------------------------
bHasLayersNonEmpty = True
while bHasLayersNonEmpty:
bHasLayersNonEmpty = False
for iLayer in range(nSrcLayerCount):
poLayer = pasAssocLayers[iLayer].poSrcLayer
psInfo = pasAssocLayers[iLayer].psInfo
anReadFeatureCount = [0]
if psInfo is not None:
if not TranslateLayer(psInfo, poDS, poLayer, poODS, \
poOutputSRS, bNullifyOutputSRS, \
eGType, bPromoteToMulti, nCoordDim, \
eGeomOp, dfGeomOpParam, \
0, \
poClipSrc, poClipDst, \
bExplodeCollections, \
nSrcFileSize, \
anReadFeatureCount, \
pfnProgress, pProgressArg ) \
and not bSkipFailures:
print(
"Terminating translation prematurely after failed\n" + \
"translation of layer " + poLayer.GetName() + " (use -skipfailures to skip errors)")
return False
else:
# No matching target layer : just consumes the features
poFeature = poLayer.GetNextFeature()
while poFeature is not None:
anReadFeatureCount[0] = anReadFeatureCount[0] + 1
poFeature = poLayer.GetNextFeature()
if anReadFeatureCount[0] != 0:
bHasLayersNonEmpty = True
else:
nLayerCount = 0
papoLayers = []
# --------------------------------------------------------------------
# Process each data source layer.
# --------------------------------------------------------------------
if len(papszLayers) == 0:
nLayerCount = poDS.GetLayerCount()
papoLayers = [None for i in range(nLayerCount)]
iLayer = 0
for iLayer in range(nLayerCount):
poLayer = poDS.GetLayer(iLayer)
if poLayer is None:
print("FAILURE: Couldn't fetch advertised layer %d!" % iLayer)
return False
papoLayers[iLayer] = poLayer
iLayer = iLayer + 1
# --------------------------------------------------------------------
# Process specified data source layers.
# --------------------------------------------------------------------
else:
nLayerCount = len(papszLayers)
papoLayers = [None for i in range(nLayerCount)]
iLayer = 0
for layername in papszLayers:
poLayer = poDS.GetLayerByName(layername)
if poLayer is None:
print("FAILURE: Couldn't fetch advertised layer %s!" % layername)
return False
papoLayers[iLayer] = poLayer
iLayer = iLayer + 1
panLayerCountFeatures = [0 for i in range(nLayerCount)]
nCountLayersFeatures = 0
nAccCountFeatures = 0
# First pass to apply filters and count all features if necessary
for iLayer in range(nLayerCount):
poLayer = papoLayers[iLayer]
if pszWHERE is not None:
if poLayer.SetAttributeFilter( pszWHERE ) != 0:
print("FAILURE: SetAttributeFilter(%s) failed." % pszWHERE)
if not bSkipFailures:
return False
if poSpatialFilter is not None:
poLayer.SetSpatialFilter( poSpatialFilter )
if bDisplayProgress and not bSrcIsOSM:
if not poLayer.TestCapability(ogr.OLCFastFeatureCount):
print("Progress turned off as fast feature count is not available.")
bDisplayProgress = False
else:
panLayerCountFeatures[iLayer] = poLayer.GetFeatureCount()
nCountLayersFeatures += panLayerCountFeatures[iLayer]
# Second pass to do the real job
for iLayer in range(nLayerCount):
poLayer = papoLayers[iLayer]
if bDisplayProgress:
if bSrcIsOSM:
pfnProgress = progress_func
pProgressArg = progress_data
else:
pfnProgress = ScaledProgressFunc
pProgressArg = ScaledProgressObject( \
nAccCountFeatures * 1.0 / nCountLayersFeatures, \
(nAccCountFeatures + panLayerCountFeatures[iLayer]) * 1.0 / nCountLayersFeatures, \
progress_func, progress_data)
nAccCountFeatures += panLayerCountFeatures[iLayer]
# --------------------------------------------------------------------
# Special case to improve user experience when translating into
# single file shapefile and source has only one layer, and that
# the layer name isn't specified
# --------------------------------------------------------------------
if EQUAL(poDriver.GetName(), "ESRI Shapefile") and \
nLayerCount == 1 and pszNewLayerName is None:
try:
mode = os.stat(pszDestDataSource).st_mode
if (mode & stat.S_IFDIR) == 0:
pszNewLayerName = os.path.splitext(os.path.basename(pszDestDataSource))[0]
except:
pass
psInfo = SetupTargetLayer( poDS, \
poLayer, \
poODS, \
papszLCO, \
pszNewLayerName, \
bTransform, \
poOutputSRS, \
bNullifyOutputSRS, \
poSourceSRS, \
papszSelFields, \
bAppend, eGType, bPromoteToMulti, nCoordDim, bOverwrite, \
papszFieldTypesToString, \
bWrapDateline, \
bExplodeCollections, \
pszZField, \
pszWHERE )
poLayer.ResetReading()
if (psInfo is None or \
not TranslateLayer( psInfo, poDS, poLayer, poODS, \
poOutputSRS, bNullifyOutputSRS, \
eGType, bPromoteToMulti, nCoordDim, \