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# Copyright (c) 2002, 2003 by Intevation GmbH |
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# Authors: |
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# Bernhard Herzog <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with Thuban for details. |
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|
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""" |
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Test saving a thuban session as XML |
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""" |
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|
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__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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|
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import os |
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import unittest |
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from StringIO import StringIO |
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|
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import xml.sax |
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import xml.sax.handler |
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from xml.sax import make_parser, ErrorHandler, SAXNotRecognizedException |
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|
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import xmlsupport |
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|
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import support |
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support.initthuban() |
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|
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import dbflib |
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|
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from Thuban.Lib.fileutil import relative_filename |
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from Thuban.Model.save import XMLWriter, save_session, sort_data_stores |
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from Thuban.Model.session import Session |
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from Thuban.Model.map import Map |
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from Thuban.Model.layer import Layer, RasterLayer |
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from Thuban.Model.proj import Projection |
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from Thuban.Model.table import DBFTable |
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from Thuban.Model.transientdb import TransientJoinedTable |
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from Thuban.Model.data import DerivedShapeStore |
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|
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from Thuban.Model.classification import ClassGroupSingleton, ClassGroupRange, \ |
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ClassGroupProperties |
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|
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from Thuban.Model.range import Range |
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|
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|
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class XMLWriterTest(unittest.TestCase): |
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|
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def testEncode(self): |
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"""Test XMLWriter.encode""" |
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writer = XMLWriter() |
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eq = self.assertEquals |
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|
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eq(writer.encode("hello world"), "hello world") |
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eq(writer.encode(unicode("hello world")), unicode("hello world")) |
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|
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eq(writer.encode("\x80\x90\xc2\x100"), |
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"\xc2\x80\xc2\x90\xc3\x82\x100") |
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eq(writer.encode(u"\x80\x90\xc2\x100"), |
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"\xc2\x80\xc2\x90\xc3\x82\x100") |
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eq(writer.encode(u"\xFF5E"), "\xc3\xbf5E") |
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|
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eq(writer.encode('&"\'<>'), "&"'<>") |
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eq(writer.encode(unicode('&"\'<>')), "&"'<>") |
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|
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class SaveSessionTest(unittest.TestCase, support.FileTestMixin, |
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xmlsupport.ValidationTest): |
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|
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dtd = "http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd" |
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thubanids = [((dtd, n), (None, "id")) for n in |
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["fileshapesource", "filetable", "jointable", |
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"derivedshapesource"]] |
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thubanidrefs = [((dtd, n), (None, m)) for n, m in |
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[("layer", "shapestore"), |
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("jointable", "left"), |
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("jointable", "right"), |
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("derivedshapesource", "table"), |
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("derivedshapesource", "shapesource")]] |
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del n, m, dtd |
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|
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def compare_xml(self, xml1, xml2): |
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list1 = xmlsupport.sax_eventlist(xml1, ids = self.thubanids, |
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idrefs = self.thubanidrefs) |
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list2 = xmlsupport.sax_eventlist(xml2, ids = self.thubanids, |
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idrefs = self.thubanidrefs) |
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if list1 != list2: |
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for a, b in zip(list1, list2): |
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if a != b: |
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self.fail("%r != %r" % (a, b)) |
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|
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|
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def testEmptySession(self): |
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"""Save an empty session""" |
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session = Session("empty session") |
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filename = self.temp_file_name("save_emptysession.thuban") |
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save_session(session, filename) |
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session.Destroy() |
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|
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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self.compare_xml(written_contents, |
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'<?xml version="1.0" encoding="UTF-8"?>\n' |
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'<!DOCTYPE session SYSTEM "thuban-0.9.dtd">\n' |
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'<session title="empty session" ' |
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'xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">' |
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'\n</session>\n') |
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|
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self.validate_data(written_contents) |
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|
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def testSingleLayer(self): |
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"""Save a session with a single map with a single layer""" |
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# deliberately put an apersand in the title :) |
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session = Session("single map&layer") |
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proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
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map = Map("Test Map", projection = proj) |
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session.AddMap(map) |
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# use shapefile from the example data |
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shpfile = os.path.join(os.path.dirname(__file__), |
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os.pardir, "Data", "iceland", "political.shp") |
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layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
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map.AddLayer(layer) |
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|
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filename = self.temp_file_name("save_singlemap.thuban") |
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save_session(session, filename) |
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|
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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expected_template = '''<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
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<session title="single map&layer" |
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xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"> |
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<fileshapesource id="D1" filename="%s" filetype="shapefile"/> |
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<map title="Test Map"> |
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<projection name="Unknown"> |
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<parameter value="zone=26"/> |
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<parameter value="proj=utm"/> |
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<parameter value="ellps=clrk66"/> |
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</projection> |
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<layer title="My Layer" shapestore="D1" |
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fill="None" stroke="#000000" stroke_width="1" visible="%s"/> |
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</map> |
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</session>''' |
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|
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expected_contents = expected_template % \ |
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(os.path.join("..", "..", "Data", "iceland", "political.shp"), |
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"true") |
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|
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self.compare_xml(written_contents, expected_contents) |
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|
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self.validate_data(written_contents) |
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|
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layer.SetVisible(False) |
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save_session(session, filename) |
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|
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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expected_contents = expected_template % \ |
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(os.path.join("..", "..", "Data", "iceland", "political.shp"), |
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"false") |
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self.compare_xml(written_contents, expected_contents) |
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self.validate_data(written_contents) |
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|
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session.Destroy() |
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|
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def testLayerProjection(self): |
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"""Test saving layers with projections""" |
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# deliberately put an apersand in the title :) |
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session = Session("single map&layer") |
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proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
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map = Map("Test Map", projection = proj) |
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session.AddMap(map) |
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# use shapefile from the example data |
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shpfile = os.path.join(os.path.dirname(__file__), |
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os.pardir, "Data", "iceland", "political.shp") |
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layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
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proj = Projection(["proj=lcc", "ellps=clrk66"], "Layer Projection") |
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layer.SetProjection(proj) |
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map.AddLayer(layer) |
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|
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filename = self.temp_file_name("save_layerproj.thuban") |
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save_session(session, filename) |
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session.Destroy() |
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|
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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expected_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
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<session title="single map&layer" |
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xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"> |
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<fileshapesource id="D1" filename="%s" filetype="shapefile"/> |
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<map title="Test Map"> |
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<projection name="Unknown"> |
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<parameter value="zone=26"/> |
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<parameter value="proj=utm"/> |
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<parameter value="ellps=clrk66"/> |
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</projection> |
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<layer title="My Layer" shapestore="D1" |
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fill="None" stroke="#000000" stroke_width="1" visible="true"> |
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<projection name="Layer Projection"> |
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<parameter value="proj=lcc"/> |
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<parameter value="ellps=clrk66"/> |
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</projection> |
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</layer> |
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</map> |
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</session>''' % os.path.join("..", "..", "Data", "iceland", |
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"political.shp") |
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#print written_contents |
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#print "********************************************" |
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#print expected_contents |
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self.compare_xml(written_contents, expected_contents) |
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|
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self.validate_data(written_contents) |
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|
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def testRasterLayer(self): |
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# deliberately put an apersand in the title :) |
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session = Session("single map&layer") |
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map = Map("Test Map") |
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session.AddMap(map) |
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# use shapefile from the example data |
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imgfile = os.path.join(os.path.dirname(__file__), |
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os.pardir, "Data", "iceland", "island.tif") |
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layer = RasterLayer("My RasterLayer", imgfile) |
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map.AddLayer(layer) |
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|
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filename = self.temp_file_name("save_singlemap.thuban") |
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save_session(session, filename) |
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session.Destroy() |
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|
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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expected_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
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<session title="single map&layer" |
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xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"> |
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<map title="Test Map"> |
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<rasterlayer title="My RasterLayer" filename="%s" |
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visible="true"> |
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</rasterlayer> |
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</map> |
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</session>''' % os.path.join(os.path.dirname(__file__), |
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os.pardir, "Data", "iceland", |
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"island.tif") |
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#print written_contents |
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#print "********************************************" |
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#print expected_contents |
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self.compare_xml(written_contents, expected_contents) |
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|
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self.validate_data(written_contents) |
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|
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def testClassifiedLayer(self): |
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"""Save a session with a single map with classifications""" |
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# deliberately put an apersand in the title :) |
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session = Session("Map with Classifications") |
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proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"]) |
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map = Map("Test Map", projection = proj) |
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session.AddMap(map) |
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# use shapefile from the example data |
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shpfile = os.path.join(os.path.dirname(__file__), |
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os.pardir, "Data", "iceland", "political.shp") |
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layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
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map.AddLayer(layer) |
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layer2 = Layer("My Layer", layer.ShapeStore()) |
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map.AddLayer(layer2) |
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|
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clazz = layer.GetClassification() |
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|
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clazz.SetFieldInfo("AREA", None) |
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|
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clazz.AppendGroup(ClassGroupSingleton(42, ClassGroupProperties(), |
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"single")) |
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clazz.AppendGroup(ClassGroupSingleton("text", ClassGroupProperties(), |
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"single-text")) |
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|
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clazz.AppendGroup(ClassGroupRange((0, 42), |
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ClassGroupProperties(), |
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"range")) |
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|
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range = ClassGroupRange(Range("[0;42]")) |
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range.SetProperties(ClassGroupProperties()) |
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range.SetLabel("new-range") |
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clazz.AppendGroup(range) |
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|
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|
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clazz = layer2.GetClassification() |
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clazz.SetFieldInfo("POPYCOUN", None) |
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|
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# Classification with Latin 1 text |
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clazz.AppendGroup(ClassGroupSingleton('\xe4\xf6\xfc', # ae, oe, ue |
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ClassGroupProperties(), |
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'\xdcml\xe4uts')) # Uemlaeuts |
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|
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|
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filename = self.temp_file_name("%s.thuban" % self.id()) |
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save_session(session, filename) |
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|
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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expected_template = '''<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
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<session title="Map with Classifications" |
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xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"> |
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<fileshapesource id="D1" filename="%s" filetype="shapefile"/> |
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<map title="Test Map"> |
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<projection name="Unknown"> |
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<parameter value="zone=26"/> |
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<parameter value="proj=utm"/> |
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<parameter value="ellps=clrk66"/> |
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</projection> |
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<layer title="My Layer" shapestore="D1" |
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fill="None" stroke="#000000" stroke_width="1" visible="%s"> |
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<classification field="AREA" field_type="double"> |
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<clnull label=""> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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</clnull> |
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<clpoint value="42" label="single"> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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</clpoint> |
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<clpoint value="text" label="single-text"> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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</clpoint> |
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<clrange range="[0;42[" label="range"> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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</clrange> |
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<clrange range="[0;42]" label="new-range"> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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</clrange> |
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</classification> |
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</layer> |
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<layer title="My Layer" shapestore="D1" |
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fill="None" stroke="#000000" stroke_width="1" visible="true"> |
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<classification field="POPYCOUN" field_type="string"> |
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<clnull label=""> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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</clnull> |
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<clpoint value="\xc3\xa4\xc3\xb6\xc3\xbc" |
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label="\xc3\x9cml\xc3\xa4uts"> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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</clpoint> |
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</classification> |
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</layer> |
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</map> |
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</session>''' |
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|
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expected_contents = expected_template % \ |
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(os.path.join("..", "..", "Data", "iceland", "political.shp"), |
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"true") |
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|
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#print written_contents |
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#print "********************************************" |
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#print expected_contents |
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self.compare_xml(written_contents, expected_contents) |
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|
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self.validate_data(written_contents) |
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|
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session.Destroy() |
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|
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def test_dbf_table(self): |
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"""Test saving a session with a dbf table link""" |
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session = Session("a DBF Table session") |
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# use shapefile from the example data |
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dbffile = os.path.join(os.path.dirname(__file__), |
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os.pardir, "Data", "iceland", "political.dbf") |
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table = session.AddTable(DBFTable(dbffile)) |
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|
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filename = self.temp_file_name("save_singletable.thuban") |
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save_session(session, filename) |
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|
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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expected_template = '''<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
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<session title="a DBF Table session" |
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xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"> |
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<filetable id="D1" filename="%s" filetype="DBF" title="political"/> |
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</session>''' |
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|
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expected_contents = expected_template % dbffile |
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self.compare_xml(written_contents, expected_contents) |
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|
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def test_joined_table(self): |
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"""Test saving a session with joined table""" |
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# Create a simple table to use in the join |
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dbffile = self.temp_file_name("save_joinedtable.dbf") |
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dbf = dbflib.create(dbffile) |
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dbf.add_field("RDTYPE", dbflib.FTInteger, 10, 0) |
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dbf.add_field("TEXT", dbflib.FTString, 10, 0) |
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dbf.write_record(0, {'RDTYPE': 8, "TEXT": "foo"}) |
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dbf.write_record(1, {'RDTYPE': 2, "TEXT": "bar"}) |
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dbf.write_record(2, {'RDTYPE': 3, "TEXT": "baz"}) |
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dbf.close() |
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|
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# Create the session and a map |
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session = Session("A Joined Table session") |
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try: |
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map = Map("Test Map") |
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session.AddMap(map) |
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|
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# Add the dbf file to the session |
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dbftable = session.AddTable(DBFTable(dbffile)) |
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|
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# Create a layer with the shapefile to use in the join |
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shpfile = os.path.join(os.path.abspath(os.path.dirname(__file__)), |
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os.pardir, "Data", "iceland", |
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"roads-line.shp") |
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layer = Layer("My Layer", session.OpenShapefile(shpfile)) |
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map.AddLayer(layer) |
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|
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# Do the join |
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store = layer.ShapeStore() |
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#for col in store.Table().Columns(): |
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# print col.name |
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joined = TransientJoinedTable(session.TransientDB(), |
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store.Table(), "RDLNTYPE", |
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dbftable, "RDTYPE", |
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outer_join = True) |
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store = session.AddShapeStore(DerivedShapeStore(store, joined)) |
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layer.SetShapeStore(store) |
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|
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# Save the session |
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filename = self.temp_file_name("save_joinedtable.thuban") |
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save_session(session, filename) |
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|
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# Read it back and compare |
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file = open(filename) |
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written_contents = file.read() |
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file.close() |
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expected_template = '''<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
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<session title="A Joined Table session" |
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xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"> |
| 438 |
<fileshapesource filename="%(shpfile)s" |
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filetype="shapefile" id="D142197204"/> |
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<filetable filename="%(dbffile)s" |
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title="save_joinedtable" |
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filetype="DBF" id="D141881756"/> |
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<jointable id="D142180284" |
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title="Join of roads-line and save_joinedtable" |
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leftcolumn="RDLNTYPE" left="D142197204" |
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rightcolumn="RDTYPE" right="D141881756" |
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jointype="LEFT OUTER" /> |
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<derivedshapesource id="D141915644" |
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table="D142180284" |
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shapesource="D142197204"/> |
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<map title="Test Map"> |
| 452 |
<layer title="My Layer" |
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shapestore="D141915644" visible="true" |
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stroke="#000000" stroke_width="1" fill="None"/> |
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</map> |
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</session>''' |
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|
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expected_contents = expected_template % { |
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"dbffile": relative_filename(self.temp_dir(), dbffile), |
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"shpfile": relative_filename(self.temp_dir(), shpfile) |
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} |
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self.compare_xml(written_contents, expected_contents) |
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finally: |
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session.Destroy() |
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session = None |
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|
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|
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class MockDataStore: |
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|
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"""A very simple data store that only has dependencies""" |
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|
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def __init__(self, name, *dependencies): |
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self.name = name |
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self.dependencies = dependencies |
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|
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def __repr__(self): |
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return self.name |
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|
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def Dependencies(self): |
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return self.dependencies |
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|
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|
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class TestStoreSort(unittest.TestCase): |
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|
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def check_sort(self, containers, sorted): |
| 486 |
"""Check whether the list of data containers is sorted""" |
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# check whether sorted is in the right order |
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seen = {} |
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for container in sorted: |
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self.failIf(id(container) in seen, |
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"Container %r at least twice in %r" % (container, |
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sorted)) |
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for dep in container.Dependencies(): |
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self.assert_(id(dep) in seen, |
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"Dependency %r of %r not yet seen" % (dep, |
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container)) |
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seen[id(container)] = 1 |
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# check whether all of containers is in sorted |
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for container in containers: |
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self.assert_(id(container) in seen, |
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"Container %r in containers but not in sorted") |
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self.assertEquals(len(containers), len(sorted)) |
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|
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def test_sort_data_stores(self): |
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"""Test Thuban.Model.save.sort_data_stores""" |
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d1 = MockDataStore("d1") |
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d2 = MockDataStore("d2") |
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d3 = MockDataStore("d3", d1) |
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d4 = MockDataStore("d4", d1, d3) |
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|
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containers = [d4, d1, d2, d3] |
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self.check_sort(containers, sort_data_stores(containers)) |
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containers = [d1, d3, d2, d4] |
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self.check_sort(containers, sort_data_stores(containers)) |
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|
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|
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|
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if __name__ == "__main__": |
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# Fake the __file__ global because it's needed by a test |
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import sys |
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__file__ = sys.argv[0] |
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support.run_tests() |
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