Add support for ISO 19115 Part 3 XML (#900)

* Add ISO 19115 Part 3 XML parsing, including unit test

* Improved ISO 19115 Part 3 XML parsing

- Added ArcGIS synthetic sample
- Added tests for DQ_DataQuality, MD_FeatureCatalogueDescription and MD_Bands
- Ability to parse older mdb v1.0 XML

* Add iso_3 service tests

* Fix missing thesaurus keyword bug

* Add test for get_all_contacts()

* Make iso_3 DQ_DataQuality more consistent

* Fix bug in iso_3 legal constraints

* Fix iso_3 identifier resourcelanguage xpath error

* Fix xpath bug in iso_3 distribution

* Add ISO 19115 Part 3 XML gfc:FC_FeatureCatalogue

* Fix up metadata URL tests

- Some 'Offline' tests were still calling on external services, monkeypatch of 'OpenURL' not working
- Fixed up monkeypatch of 'OpenURL' calls
- Added function to detect outer tag for iso_3.py
- Added code to utilise iso_3 in WFS/WMS GetCapabilities responses
- Added ISO 19115 Part 3 XML tests using pytest parameters

* Remove redundant test file

* Add CSW geonetwork tests for iso_3.py

* Add spaces to inline comments for flake8

* Add spaces to inline comments for flake8

* Fix error in path description

* Rename 'iso_3' to 'iso3' etc.

owslib/catalogue/csw2.py

@@ -20,6 +20,8 @@
 from owslib import util
 from owslib import ows
 from owslib.iso import MD_Metadata, FC_FeatureCatalogue
+from owslib.iso3 import MD_Metadata as MD_Metadata3  # ISO 19115 Part 3 XML
+from owslib.iso3 import FC_FeatureCatalogue as FC_FeatureCatalogue3  # ISO 19115 Part 3 XML
 from owslib.fgdc import Metadata
 from owslib.dif import DIF
 from owslib.gm03 import GM03
@@ -578,6 +580,12 @@ def _parserecords(self, outputschema, esn):
                 val = i.find(util.nspath_eval('gm03:fileIdentifier', namespaces))
                 identifier = self._setidentifierkey(util.testXMLValue(val))
                 self.records[identifier] = GM03(i)
+        elif MD_Metadata3.handles(outputschema):  # ISO 19115 Part 3 XML
+            for elem, id in MD_Metadata3.find_ids(self._exml):
+                self.records[self._setidentifierkey(id)] = MD_Metadata3(elem)
+            for i in self._exml.findall('.//' + util.nspath_eval('gfc:FC_FeatureCatalogue', namespaces)):
+                identifier = self._setidentifierkey(util.testXMLValue(i.attrib['uuid'], attrib=True))
+                self.records[identifier] = FC_FeatureCatalogue3(i)
         else:  # process default
             for i in self._exml.findall('.//' + util.nspath_eval('csw:%s' % self._setesnel(esn), namespaces)):
                 val = i.find(util.nspath_eval('dc:identifier', namespaces))

owslib/catalogue/csw3.py

@@ -20,6 +20,8 @@
 from owslib import util
 from owslib import ows
 from owslib.iso import MD_Metadata, FC_FeatureCatalogue
+from owslib.iso3 import MD_Metadata as MD_Metadata3  # ISO 19115 Part 3 XML
+from owslib.iso3 import FC_FeatureCatalogue as FC_FeatureCatalogue3  # ISO 19115 Part 3 XML
 from owslib.fgdc import Metadata
 from owslib.dif import DIF
 from owslib.gm03 import GM03
@@ -477,6 +479,12 @@ def _parserecords(self, outputschema, esn):
                 val = i.find(util.nspath_eval('gm03:fileIdentifier', namespaces))
                 identifier = self._setidentifierkey(util.testXMLValue(val))
                 self.records[identifier] = GM03(i)
+        elif MD_Metadata3.handles(outputschema):  # ISO 19115 Part 3 XML
+            for elem, id in MD_Metadata3.find_ids(self._exml):
+                self.records[self._setidentifierkey(id)] = MD_Metadata3(elem)
+            for i in self._exml.findall('.//' + util.nspath_eval('gfc:FC_FeatureCatalogue', namespaces)):
+                identifier = self._setidentifierkey(util.testXMLValue(i.attrib['uuid'], attrib=True))
+                self.records[identifier] = FC_FeatureCatalogue3(i)
         else:  # process default
             for i in self._exml.findall('.//' + util.nspath_eval('csw30:%s' % self._setesnel(esn), namespaces)):
                 val = i.find(util.nspath_eval('dc:identifier', namespaces))

owslib/feature/wfs100.py

@@ -25,6 +25,7 @@
 from owslib.etree import etree
 from owslib.fgdc import Metadata
 from owslib.iso import MD_Metadata
+from owslib.iso3 import MD_Metadata as MD_Metadata3  # ISO 19115 Part 3 XML
 from owslib.crs import Crs
 from owslib.namespaces import Namespaces
 from owslib.feature.schema import get_schema
@@ -470,7 +471,11 @@ def parse_remote_metadata(self, timeout=30):
                         if mdelem is not None:
                             metadataUrl["metadata"] = MD_Metadata(mdelem)
                         else:
-                            metadataUrl["metadata"] = None
+                            mdelem = MD_Metadata3.find_start(doc)
+                            if mdelem is not None:
+                                metadataUrl["metadata"] = MD_Metadata3(mdelem)
+                            else:
+                                metadataUrl["metadata"] = None
                 except Exception:
                     metadataUrl["metadata"] = None
 

owslib/feature/wfs110.py

@@ -13,12 +13,12 @@
     testXMLValue,
     nspath_eval,
     ServiceException,
-    Authentication,
-    # openURL,
+    Authentication
 )
 from owslib.etree import etree
 from owslib.fgdc import Metadata
 from owslib.iso import MD_Metadata
+from owslib.iso3 import MD_Metadata as MD_Metadata3  # ISO 19115 Part 3 XML
 from owslib.ows import (
     OwsCommon,
     ServiceIdentification,
@@ -488,6 +488,10 @@ def parse_remote_metadata(self, timeout=30):
                         if mdelem is not None:
                             metadataUrl["metadata"] = MD_Metadata(mdelem)
                         else:
-                            metadataUrl["metadata"] = None
+                            mdelem = MD_Metadata3.find_start(doc)
+                            if mdelem is not None:
+                                metadataUrl["metadata"] = MD_Metadata3(mdelem)
+                            else:
+                                metadataUrl["metadata"] = None
                 except Exception:
                     metadataUrl["metadata"] = None

owslib/feature/wfs200.py

@@ -10,6 +10,7 @@
 from owslib import util
 from owslib.fgdc import Metadata
 from owslib.iso import MD_Metadata
+from owslib.iso3 import MD_Metadata as MD_Metadata3  # ISO 19115 Part 3 XML
 from owslib.ows import Constraint, ServiceIdentification, ServiceProvider, OperationsMetadata
 from owslib.etree import etree
 from owslib.util import nspath, testXMLValue, openURL, Authentication
@@ -611,5 +612,12 @@ def parse_remote_metadata(self, timeout=30):
                     if mdelem is not None:
                         metadataUrl["metadata"] = MD_Metadata(mdelem)
                         continue
+                    else:  # ISO 19115 Part 3 XML
+                        mdelem = MD_Metadata3.find_start(doc)
+                        if mdelem is not None:
+                            metadataUrl["metadata"] = MD_Metadata3(mdelem)
+                        else:
+                            metadataUrl["metadata"] = None
+                        continue
                 except Exception:
                     metadataUrl["metadata"] = None