annotate backend/contrib/shpimporter/utils.py @ 8871:78cd6572778d

Introduced groups for modules. Modules marked with the same group-id, will be put together in the ui. Also using now the localization info from the server instead of localizing the modules again on the client side.
author gernotbelger
date Wed, 07 Feb 2018 12:02:58 +0100
parents 5aa05a7a34b7
children
rev   line source
2798
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 import os
4874
b1d7e600b43b (importer) Add utility function to convert paths to utf-8
Andre Heinecke <aheinecke@intevation.de>
parents: 3654
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2 import sys
5006
769593a84606 Importer: Behold, Logging!
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3 import logging
769593a84606 Importer: Behold, Logging!
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4
4970
174fbaa3d344 Add handling of River Names and remove target_src parameter
Andre Heinecke <aheinecke@intevation.de>
parents: 4935
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5 try:
174fbaa3d344 Add handling of River Names and remove target_src parameter
Andre Heinecke <aheinecke@intevation.de>
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6 from osgeo import ogr
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c5187ab9f571 Fix Syntax Errror
Andre Heinecke <aheinecke@intevation.de>
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7 except ImportError:
4970
174fbaa3d344 Add handling of River Names and remove target_src parameter
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8 import ogr
2798
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
9
5006
769593a84606 Importer: Behold, Logging!
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10 logger = logging.getLogger("utils")
769593a84606 Importer: Behold, Logging!
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11
2798
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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12 SHP='.shp'
4976
a6ee62a070b0 I'm learning how to use cursors \o/
Andre Heinecke <aheinecke@intevation.de>
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13 SQL_SELECT_RIVER_ID="SELECT id FROM rivers WHERE name = %s"
5036
d6860fca89e4 Pull information about the backend into dgm.
Andre Heinecke <aheinecke@intevation.de>
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14 SQL_SELECT_RIVER_ID_ORA="SELECT id FROM rivers WHERE name = :s"
2798
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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15
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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16 def findShapefiles(path):
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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17 shapes = []
5a654f2e35bc Added a python tool to import shapefiles into database.
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18
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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19 for root, dirs, files in os.walk(path):
5a654f2e35bc Added a python tool to import shapefiles into database.
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20 if len(files) == 0:
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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21 continue
5a654f2e35bc Added a python tool to import shapefiles into database.
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22
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23 logger.debug("Processing directory '%s' with %i files " % (root, len(files)))
2798
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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24
5a654f2e35bc Added a python tool to import shapefiles into database.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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25 for f in files:
5a654f2e35bc Added a python tool to import shapefiles into database.
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26 idx = f.find(SHP)
5a654f2e35bc Added a python tool to import shapefiles into database.
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27 if (idx+len(SHP)) == len(f):
5a654f2e35bc Added a python tool to import shapefiles into database.
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28 shapes.append((f.replace(SHP, ''), root + "/" + f))
5a654f2e35bc Added a python tool to import shapefiles into database.
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29
5a654f2e35bc Added a python tool to import shapefiles into database.
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30 return shapes
5a654f2e35bc Added a python tool to import shapefiles into database.
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31
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32 def getRiverId(dbconn, name, oracle):
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33 """
174fbaa3d344 Add handling of River Names and remove target_src parameter
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34 Returns the id of the river "name"
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35 Dbconn must be a python database connection api compliant object
174fbaa3d344 Add handling of River Names and remove target_src parameter
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36 """
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37 cur = dbconn.cursor()
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38 if oracle:
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39 # This is stupid and shoudl not be neccessary. But I don't
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40 # know how to make it work both ways. aheinecke - 02/2013
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41 stmt = SQL_SELECT_RIVER_ID_ORA
d6860fca89e4 Pull information about the backend into dgm.
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42 else:
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43 stmt = SQL_SELECT_RIVER_ID
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40dc001594e4 Allow unicode river names
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44 cur.execute(stmt, (getUTF8(name),))
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45 row = cur.fetchone()
174fbaa3d344 Add handling of River Names and remove target_src parameter
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46 if row:
174fbaa3d344 Add handling of River Names and remove target_src parameter
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47 return row[0]
174fbaa3d344 Add handling of River Names and remove target_src parameter
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48 else:
174fbaa3d344 Add handling of River Names and remove target_src parameter
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49 return 0
174fbaa3d344 Add handling of River Names and remove target_src parameter
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50
4935
c0a58558b817 Importer: - Handle regular expressions for attribute names
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51 def getUTF8(string):
c0a58558b817 Importer: - Handle regular expressions for attribute names
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52 """
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53 Tries to convert the string to a UTF-8 encoding by first checking if it
c0a58558b817 Importer: - Handle regular expressions for attribute names
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54 is UTF-8 and then trying cp1252
c0a58558b817 Importer: - Handle regular expressions for attribute names
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55 """
c0a58558b817 Importer: - Handle regular expressions for attribute names
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56 try:
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57 return unicode.encode(unicode(string, "UTF-8"), "UTF-8")
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58 except UnicodeDecodeError:
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59 # Probably European Windows names so lets try again
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60 return unicode.encode(unicode(string, "cp1252"), "UTF-8")
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61
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62 def getUTF8Path(path):
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63 """
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64 Tries to convert path to utf-8 by first checking the filesystemencoding
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65 and trying the default windows encoding afterwards.
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66 Returns a valid UTF-8 encoded unicode object or throws a UnicodeDecodeError
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67 """
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68 try:
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69 return unicode.encode(unicode(path, sys.getfilesystemencoding()), "UTF-8")
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70 except UnicodeDecodeError:
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71 # Probably European Windows names so lets try again
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72 return unicode.encode(unicode(path, "cp1252"), "UTF-8")
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73
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74 WKB_MAP = {
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75 ogr.wkb25Bit : 'wkb25Bit',
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76 ogr.wkbGeometryCollection : 'wkbGeometryCollection',
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77 ogr.wkbGeometryCollection25D :'wkbGeometryCollection25D',
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78 ogr.wkbLineString : 'wkbLineString',
998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
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79 ogr.wkbLineString25D : 'wkbLineString25D',
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80 ogr.wkbLinearRing : 'wkbLinearRing',
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81 ogr.wkbMultiLineString : 'wkbMultiLineString',
998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
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82 ogr.wkbMultiLineString25D : 'wkbMultiLineString25D',
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83 ogr.wkbMultiPoint : 'wkbMultiPoint',
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84 ogr.wkbMultiPoint25D : 'wkbMultiPoint25D',
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85 ogr.wkbMultiPolygon : 'wkbMultiPolygon',
998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
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86 ogr.wkbMultiPolygon25D : 'wkbMultiPolygon25D',
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87 ogr.wkbNDR : 'wkbNDR',
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88 ogr.wkbNone : 'wkbNone',
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89 ogr.wkbPoint : 'wkbPoint',
998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
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90 ogr.wkbPoint25D : 'wkbPoint25D',
998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
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91 ogr.wkbPolygon : 'wkbPolygon',
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diff changeset
92 ogr.wkbPolygon25D : 'wkbPolygon25D',
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93 ogr.wkbUnknown : 'wkbUnknown',
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94 ogr.wkbXDR : 'wkbXDR'
998b29c8d2fd Improve debug output for unsupported features and skipped shapefiles
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95 }
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96
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97 def getWkbString(type):
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98 return WKB_MAP.get(type) or "Unknown"
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99
5137
04eb62eae722 River Axes and HWS_lines are now multiline
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100 def convertToMultiLine(feature):
04eb62eae722 River Axes and HWS_lines are now multiline
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101 """
04eb62eae722 River Axes and HWS_lines are now multiline
Andre Heinecke <aheinecke@intevation.de>
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102 Converts a feature to a multiline feature.
04eb62eae722 River Axes and HWS_lines are now multiline
Andre Heinecke <aheinecke@intevation.de>
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103 """
04eb62eae722 River Axes and HWS_lines are now multiline
Andre Heinecke <aheinecke@intevation.de>
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104 geometry = feature.GetGeometryRef()
04eb62eae722 River Axes and HWS_lines are now multiline
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105 # SRS information is lost while forcing to multiline
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106 srs = geometry.GetSpatialReference()
04eb62eae722 River Axes and HWS_lines are now multiline
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107 geometry = ogr.ForceToMultiLineString(geometry)
04eb62eae722 River Axes and HWS_lines are now multiline
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108 geometry.AssignSpatialReference(srs)
04eb62eae722 River Axes and HWS_lines are now multiline
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109 feature.SetGeometry(geometry)
04eb62eae722 River Axes and HWS_lines are now multiline
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110 return feature
5294
3f35d9db48c1 Force UESG to multipolygon and import source field for messungen
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111
3f35d9db48c1 Force UESG to multipolygon and import source field for messungen
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112 def convertToMultiPolygon(feature):
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113 """
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114 Converts a feature to a multiline feature.
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115 """
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116 geometry = feature.GetGeometryRef()
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117 # SRS information is lost while forcing to multiline
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118 srs = geometry.GetSpatialReference()
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119 geometry = ogr.ForceToMultiPolygon(geometry)
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120 geometry.AssignSpatialReference(srs)
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121 feature.SetGeometry(geometry)
3f35d9db48c1 Force UESG to multipolygon and import source field for messungen
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parents: 5219
diff changeset
122 return feature

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