Mercurial > dive4elements > river

annotate backend/contrib/shpimporter/importer.py @ 7538:06ebfc33578d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Whacky little script to find possibly wrong loggers.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 08 Nov 2013 08:03:42 +0100
parents 5aa05a7a34b7
children
rev   line source
4872
a563e9f58f93 Improve error handling and unify dbconn for all importers
Andre Heinecke <aheinecke@intevation.de>
parents: 4871
diff changeset
1 try:
5004
f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
Andre Heinecke <aheinecke@intevation.de>
parents: 5001
diff changeset
2 from osgeo import ogr, osr
5077
c5187ab9f571 Fix Syntax Errror
Andre Heinecke <aheinecke@intevation.de>
parents: 5006
diff changeset
3 except ImportError:
5004
f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
Andre Heinecke <aheinecke@intevation.de>
parents: 5001
diff changeset
4 import ogr, osr
4877
852d4c508f33 (importer) Try to convert paths to UTF-8 for DB insertion
Andre Heinecke <aheinecke@intevation.de>
parents: 4876
diff changeset
5 import utils
4935
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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6 import re
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769593a84606 Importer: Behold, Logging!
Andre Heinecke <aheinecke@intevation.de>
parents: 5004
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7 import logging
769593a84606 Importer: Behold, Logging!
Andre Heinecke <aheinecke@intevation.de>
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8
769593a84606 Importer: Behold, Logging!
Andre Heinecke <aheinecke@intevation.de>
parents: 5004
diff changeset
9 logger = logging.getLogger("importer")
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bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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10
bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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11 class Importer:
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parents:
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12
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174fbaa3d344 Add handling of River Names and remove target_src parameter
Andre Heinecke <aheinecke@intevation.de>
parents: 4951
diff changeset
13 def __init__(self, river_id, dbconn, dry_run):
174fbaa3d344 Add handling of River Names and remove target_src parameter
Andre Heinecke <aheinecke@intevation.de>
parents: 4951
diff changeset
14 self.river_id = river_id
4872
a563e9f58f93 Improve error handling and unify dbconn for all importers
Andre Heinecke <aheinecke@intevation.de>
parents: 4871
diff changeset
15 self.dbconn = dbconn
4970
174fbaa3d344 Add handling of River Names and remove target_src parameter
Andre Heinecke <aheinecke@intevation.de>
parents: 4951
diff changeset
16 self.dry_run = dry_run
2861
b0132e1b9719 Added further shape importers and added the option to reproject shapes during the import process.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2853
diff changeset
17 self.dest_srs = osr.SpatialReference()
4970
174fbaa3d344 Add handling of River Names and remove target_src parameter
Andre Heinecke <aheinecke@intevation.de>
parents: 4951
diff changeset
18 self.dest_srs.ImportFromEPSG(31467)
4884
b457532dae63 Importer: Move copy fields into importer class and track imported/unimported fields
Andre Heinecke <aheinecke@intevation.de>
parents: 4878
diff changeset
19 self.handled_fields = []
4885
89a8764cabcc Importer: Only show imported fields if copy_fields is used
Andre Heinecke <aheinecke@intevation.de>
parents: 4884
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20 self.tracking_import = False
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c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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21 self.srcLayer = None
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bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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22
bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
23 def getKind(self, path):
bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
24 raise NotImplementedError("Importer.getKind is abstract!")
bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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25
bd9e76e0b55d Improved the python shapefile importer.
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26 def getPath(self, base):
bd9e76e0b55d Improved the python shapefile importer.
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27 raise NotImplementedError("Importer.getPath is abstract!")
bd9e76e0b55d Improved the python shapefile importer.
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parents:
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28
bd9e76e0b55d Improved the python shapefile importer.
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29 def getTablename(self):
bd9e76e0b55d Improved the python shapefile importer.
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parents:
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30 raise NotImplementedError("Importer.getTablename is abstract!")
bd9e76e0b55d Improved the python shapefile importer.
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parents:
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31
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59ca5dab2782 Shape importer: use python's OptionParse to read user specific configuration from command line.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2862
diff changeset
32 def getName(self):
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0dae9e77c5da Importer fix issues reported by pylint
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parents: 5077
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33 raise NotImplementedError("Importer.getName is abstract!")
0dae9e77c5da Importer fix issues reported by pylint
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parents: 5077
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34
0dae9e77c5da Importer fix issues reported by pylint
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parents: 5077
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35 def isGeometryValid(self, geomType):
0dae9e77c5da Importer fix issues reported by pylint
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parents: 5077
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36 raise NotImplementedError("Importer.isGeometryValid is abstract!")
0dae9e77c5da Importer fix issues reported by pylint
Andre Heinecke <aheinecke@intevation.de>
parents: 5077
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37
0dae9e77c5da Importer fix issues reported by pylint
Andre Heinecke <aheinecke@intevation.de>
parents: 5077
diff changeset
38 def createNewFeature(self, featureDef, feat, **args):
0dae9e77c5da Importer fix issues reported by pylint
Andre Heinecke <aheinecke@intevation.de>
parents: 5077
diff changeset
39 raise NotImplementedError("Importer.createNewFeature is abstract!")
3654
59ca5dab2782 Shape importer: use python's OptionParse to read user specific configuration from command line.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2862
diff changeset
40
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bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
41 def IsFieldSet(self, feat, name):
4935
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
diff changeset
42 if not name:
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
diff changeset
43 return False
4878
82d00b0c7302 (importer) Avoid uneccessary error and improve debug output
Andre Heinecke <aheinecke@intevation.de>
parents: 4877
diff changeset
44 if feat.GetFieldIndex(name) == -1:
82d00b0c7302 (importer) Avoid uneccessary error and improve debug output
Andre Heinecke <aheinecke@intevation.de>
parents: 4877
diff changeset
45 return False # Avoids an Error in IsFieldSet
82d00b0c7302 (importer) Avoid uneccessary error and improve debug output
Andre Heinecke <aheinecke@intevation.de>
parents: 4877
diff changeset
46 return feat.IsFieldSet(feat.GetFieldIndex(name))
2853
bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
47
5386
6c2751c17869 Importer: Add function to search a value in all fields.
Andre Heinecke <aheinecke@intevation.de>
parents: 5365
diff changeset
48 def searchValue(self, feat, regex):
6c2751c17869 Importer: Add function to search a value in all fields.
Andre Heinecke <aheinecke@intevation.de>
parents: 5365
diff changeset
49 """
5401
ff11b178f152 Fix searchValue and mark a field where a string is found as handled
Andre Heinecke <aheinecke@intevation.de>
parents: 5386
diff changeset
50 Searches for a value that matches regex in all attribute
5386
6c2751c17869 Importer: Add function to search a value in all fields.
Andre Heinecke <aheinecke@intevation.de>
parents: 5365
diff changeset
51 fields of a feature.
5401
ff11b178f152 Fix searchValue and mark a field where a string is found as handled
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parents: 5386
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52
ff11b178f152 Fix searchValue and mark a field where a string is found as handled
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parents: 5386
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53 @returns the name of the field where a match was found or None
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6c2751c17869 Importer: Add function to search a value in all fields.
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parents: 5365
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54 """
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Andre Heinecke <aheinecke@intevation.de>
parents: 5365
diff changeset
55 for val in feat.items():
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db5def5456ce Only match strings vor field values
Andre Heinecke <aheinecke@intevation.de>
parents: 5401
diff changeset
56 if not isinstance(feat.items()[val], basestring):
db5def5456ce Only match strings vor field values
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parents: 5401
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57 continue
5401
ff11b178f152 Fix searchValue and mark a field where a string is found as handled
Andre Heinecke <aheinecke@intevation.de>
parents: 5386
diff changeset
58 match = re.match(regex, feat.items()[val], re.IGNORECASE)
ff11b178f152 Fix searchValue and mark a field where a string is found as handled
Andre Heinecke <aheinecke@intevation.de>
parents: 5386
diff changeset
59 if match:
ff11b178f152 Fix searchValue and mark a field where a string is found as handled
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parents: 5386
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60 return val
5386
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parents: 5365
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61
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c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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62 def searchField(self, regex):
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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63 """
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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64 Searches for a field in the current src layer that matches
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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65 the expression regex.
5174
b3a15fa3d88e let import_river.sh parse gauge official numbers, typo
Tom Gottfried <tom@intevation.de>
parents: 5160
diff changeset
66 Throws an exception if more than one field matches
4935
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parents: 4886
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67 @param feat: The feature to search for attributes
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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68 @param regex: The regex to look for
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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69
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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70 @returns: The field name as a string
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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71 """
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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72
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
diff changeset
73 if not hasattr(self.srcLayer, "fieldnames"):
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
diff changeset
74 self.srcLayer.fieldnames = []
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
diff changeset
75 for i in range(0, self.srcLayer.GetLayerDefn().GetFieldCount()):
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
diff changeset
76 self.srcLayer.fieldnames.append(
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
diff changeset
77 self.srcLayer.GetLayerDefn().GetFieldDefn(i).GetNameRef())
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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78
c0a58558b817 Importer: - Handle regular expressions for attribute names
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79 result = None
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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80 for name in self.srcLayer.fieldnames:
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
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81 match = re.match(regex, name, re.IGNORECASE)
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
diff changeset
82 if match:
c0a58558b817 Importer: - Handle regular expressions for attribute names
Andre Heinecke <aheinecke@intevation.de>
parents: 4886
diff changeset
83 if result:
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b3a15fa3d88e let import_river.sh parse gauge official numbers, typo
Tom Gottfried <tom@intevation.de>
parents: 5160
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84 raise Exception("More than one field matches: %s" % regex)
4935
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85 else:
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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86 result = match.group(0)
c0a58558b817 Importer: - Handle regular expressions for attribute names
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87 return result
c0a58558b817 Importer: - Handle regular expressions for attribute names
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parents: 4886
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88
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bd9e76e0b55d Improved the python shapefile importer.
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parents:
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89 def IsDoubleFieldSet(self, feat, name):
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Andre Heinecke <aheinecke@intevation.de>
parents: 5174
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90 if not self.IsFieldSet(feat, name):
90f1c5f67698 Importer: Do not return true for IsDoubleField set if the field
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91 return False
2853
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92 try:
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93 isset = feat.GetFieldAsDouble(name)
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94 return isset is not None
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95 except:
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96 return False
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97
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98 def isShapeRelevant(self, name, path):
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99 return True
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100
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101 def walkOverShapes(self, shape):
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102 (name, path) = shape
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103
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104 shp = ogr.Open(shape[1])
bd9e76e0b55d Improved the python shapefile importer.
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105 if shp is None:
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106 logger.error("Shapefile '%s' could not be opened!" % path)
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107 return
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108
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109 if not self.isShapeRelevant(name, path):
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110 logger.info("Skip shapefile: '%s' of Type: %s" % (path,
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111 utils.getWkbString(shp.GetLayerByName(name).GetGeomType())))
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112 return
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113
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114
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115 logger.info("Processing shapefile '%s'" % path)
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116 srcLayer = shp.GetLayerByName(name)
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117
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118 if srcLayer is None:
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119 logger.error("Layer '%s' was not found!" % name)
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120 return
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121
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122 return self.shape2Database(srcLayer, name, path)
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123
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parents: 2853
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124 def transform(self, feat):
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parents: 2853
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125 geometry = feat.GetGeometryRef()
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parents: 2853
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126 src_srs = geometry.GetSpatialReference()
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127
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128 if src_srs is None:
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129 logger.error("No source SRS given! No transformation possible!")
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130 return feat
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131
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132 transformer = osr.CoordinateTransformation(src_srs, self.dest_srs)
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133 if geometry.Transform(transformer):
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134 return None
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135
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diff changeset
136 return feat
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137
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diff changeset
138 def handled(self, field):
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139 """
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140 Register a field or a map of as handled during the import.
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141
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142 There is a warning printed after the import for each unhandled field!
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143 """
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diff changeset
144 if not field in self.handled_fields:
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diff changeset
145 self.handled_fields.append(field)
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146
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147 def copyFields(self, src, target, mapping):
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148 """
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149 Checks the mapping dictonary for key value pairs to
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diff changeset
150 copy from the source to the destination feature.
4935
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151 The keys can be reguar expressions that are matched
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152 agains the source fieldnames
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153
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154 The Key is the attribute of the source feature to be copied
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155 into the target attribute named by the dict's value.
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156 """
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89a8764cabcc Importer: Only show imported fields if copy_fields is used
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157 self.tracking_import = True
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158 for key, value in mapping.items():
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159 realname = self.searchField(key)
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160 if realname == None:
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161 continue
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162 if not realname in self.handled_fields:
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163 self.handled_fields.append(realname)
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164 # 0 OFTInteger, Simple 32bit integer
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165 # 1 OFTIntegerList, List of 32bit integers
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166 # 2 OFTReal, Double Precision floating point
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167 # 3 OFTRealList, List of doubles
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168 # 4 OFTString, String of ASCII chars
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169 # 5 OFTStringList, Array of strings
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170 # 6 OFTWideString, deprecated
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171 # 7 OFTWideStringList, deprecated
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172 # 8 OFTBinary, Raw Binary data
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173 # 9 OFTDate, Date
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174 # 10 OFTTime, Time
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175 # 11 OFTDateTime, Date and Time
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176 if src.IsFieldSet(src.GetFieldIndex(realname)):
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177 if src.GetFieldType(realname) == 2:
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diff changeset
178 target.SetField(value, src.GetFieldAsDouble(realname))
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179 else:
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180 target.SetField(value, utils.getUTF8(src.GetField(realname)))
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181
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182 def shape2Database(self, srcLayer, name, path):
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183 destLayer = self.dbconn.GetLayerByName(self.getTablename())
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184
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185 if srcLayer is None:
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186 logger.error("Shapefile is None!")
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187 return -1
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188
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189 if destLayer is None:
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190 logger.error("No destination layer given!")
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191 return -1
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192
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193 count = srcLayer.GetFeatureCount()
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194 logger.debug("Try to add %i features to database." % count)
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195
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196 srcLayer.ResetReading()
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197 self.srcLayer = srcLayer
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198
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199 geomType = -1
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200 success = 0
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201 unsupported = {}
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202 creationFailed = 0
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203 featureDef = destLayer.GetLayerDefn()
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204
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205 for feat in srcLayer:
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diff changeset
206 geom = feat.GetGeometryRef()
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207
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diff changeset
208 if geom is None:
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209 logger.debug("Unkown Geometry reference for feature")
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diff changeset
210 continue
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diff changeset
211
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212 geomType = geom.GetGeometryType()
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diff changeset
213
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diff changeset
214 if self.isGeometryValid(geomType):
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diff changeset
215 newFeat = self.createNewFeature(featureDef,
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diff changeset
216 feat,
4951
23a090b41543 Importer: Check lowercase pathname and handle utf-8 conversion
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diff changeset
217 name=utils.getUTF8(name),
2853
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218 path=path)
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diff changeset
219
bd9e76e0b55d Improved the python shapefile importer.
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diff changeset
220 if newFeat is not None:
4877
852d4c508f33 (importer) Try to convert paths to UTF-8 for DB insertion
Andre Heinecke <aheinecke@intevation.de>
parents: 4876
diff changeset
221 newFeat.SetField("path", utils.getUTF8Path(path))
2861
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diff changeset
222 newFeat = self.transform(newFeat)
4974
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diff changeset
223 if newFeat:
a92241d40228 Handle transformation errors
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
224 res = destLayer.CreateFeature(newFeat)
a92241d40228 Handle transformation errors
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
225 if res is None or res > 0:
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diff changeset
226 logger.error("Unable to insert feature. Error: %r" % res)
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diff changeset
227 else:
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diff changeset
228 success = success + 1
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diff changeset
229 else:
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230 logger.error("Could not transform feature: %s " % feat.GetFID())
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diff changeset
231 creationFailed += 1
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diff changeset
232 else:
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diff changeset
233 creationFailed = creationFailed + 1
2853
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diff changeset
234 else:
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998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
235 unsupported[utils.getWkbString(geomType)] = \
998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
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diff changeset
236 unsupported.get(utils.getWkbString(geomType), 0) + 1
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237
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diff changeset
238 logger.info("Inserted %i features" % success)
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diff changeset
239 logger.info("Failed to create %i features" % creationFailed)
5001
fed74592a2ba Fix syntax error
Andre Heinecke <aheinecke@intevation.de>
parents: 4995
diff changeset
240 for key, value in unsupported.items():
5006
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diff changeset
241 logger.info("Found %i unsupported features of type: %s" % (value, key))
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242
4886
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
243 if self.tracking_import:
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
244 unhandled = []
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
245 for i in range(0, srcLayer.GetLayerDefn().GetFieldCount()):
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diff changeset
246 act_field = srcLayer.GetLayerDefn().GetFieldDefn(i).GetNameRef()
8e99d2d9364d Importer: When not tracking dont print info about unimported fields
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diff changeset
247 if not act_field in self.handled_fields:
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Andre Heinecke <aheinecke@intevation.de>
parents: 4885
diff changeset
248 unhandled.append(act_field)
4884
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Andre Heinecke <aheinecke@intevation.de>
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249
4886
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
250 if len(unhandled):
5006
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
251 logger.info("Did not import values from fields: %s " % \
4886
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diff changeset
252 " ".join(unhandled))
4884
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diff changeset
253
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parents:
diff changeset
254 try:
4970
174fbaa3d344 Add handling of River Names and remove target_src parameter
Andre Heinecke <aheinecke@intevation.de>
parents: 4951
diff changeset
255 if self.dry_run:
3655
8654e4480fc6 Shape importer: added command line option dry_run to supress database transactions.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 3654
diff changeset
256 return geomType
2853
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
257 destLayer.CommitTransaction()
5160
0dae9e77c5da Importer fix issues reported by pylint
Andre Heinecke <aheinecke@intevation.de>
parents: 5077
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258 except:
5006
769593a84606 Importer: Behold, Logging!
Andre Heinecke <aheinecke@intevation.de>
parents: 5004
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259 logger.error("Exception while committing transaction.")
2853
bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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260
bd9e76e0b55d Improved the python shapefile importer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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261 return geomType
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