Add default for UWS version - Issue #198

Add changelog

Correct PR # in changelog

Fix flake8 errors

Style changes from review

CHANGES.rst

@@ -1,6 +1,8 @@
 1.1 (unreleased)
 ================
 
+- Add default for UWS version. [#199]
+
 
 1.0 (2019-09-20)
 ================

pyvo/io/uws/endpoint.py

@@ -108,7 +108,8 @@ def parse(self, iterator, config):
             if start and tag == 'xml':
                 pass
             elif start and tag == 'job':
-                self._version = data.get('version')
+                # version was not required in v1.0, so default to that.
+                self._version = data.get('version', '1.0')
                 break
 
         return super().parse(iterator, config)

pyvo/io/uws/tests/data/job-implicit-v1.0.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" ?>
+<job xmlns="http://www.ivoa.net/xml/UWS/v1.0" xmlns:xlink="http://www.w3.org/1999/xlink"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/UWS/v1.0 http://www.ivoa.net/xml/UWS/v1.0">
+	<jobId>1576511540079_32840</jobId>
+	<ownerId/>
+	<phase>COMPLETED</phase>
+	<startTime>2019-12-16T10:52:20</startTime>
+	<endTime>2019-12-17T10:52:20</endTime>
+	<executionDuration>600</executionDuration>
+	<destruction>2019-12-17T10:52:20</destruction>
+	<parameters>
+		<parameter id="lang">ADQL-2.0</parameter>
+		<parameter id="serviceType">tap</parameter>
+		<parameter id="request">doQuery</parameter>
+		<parameter id="query">
+SELECT ra, dec FROM table
+</parameter>
+	</parameters>
+	<results>
+		<result id="resultsTable" xlink:href="http://example.com/tap/async/1234/results/result"/>
+	</results>
+</job>

pyvo/io/uws/tests/test_job.py

@@ -14,3 +14,9 @@ def test_job(self):
             "data/job.xml"))
 
         assert job.jobid == '1337'
+        assert job.version == '1.1'
+
+        job = uws.parse_job(get_pkg_data_filename(
+            "data/job-implicit-v1.0.xml"))
+
+        assert job.version == '1.0'