Use a wrapper around xml.etree.ElementTree.fromstring in python 2.x (#7178)

Attributes aren't unicode objects, so they couldn't be directly used in info_dict fields (for example '--write-description' doesn't work with bytes).

2 files changed, 14 insertions, 4 deletions

diff --git a/test/test_compat.py b/test/test_compat.py
index 4ee0dc99d..2b0860479 100644
--- a/test/test_compat.py
+++ b/test/test_compat.py
@@ -13,8 +13,10 @@ sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 from youtube_dl.utils import get_filesystem_encoding
 from youtube_dl.compat import (
     compat_getenv,
+    compat_etree_fromstring,
     compat_expanduser,
     compat_shlex_split,
+    compat_str,
     compat_urllib_parse_unquote,
     compat_urllib_parse_unquote_plus,
 )
@@ -71,5 +73,10 @@ class TestCompat(unittest.TestCase):
     def test_compat_shlex_split(self):
         self.assertEqual(compat_shlex_split('-option "one two"'), ['-option', 'one two'])
 
+    def test_compat_etree_fromstring(self):
+        xml = '<el foo="bar"></el>'
+        doc = compat_etree_fromstring(xml.encode('utf-8'))
+        self.assertTrue(isinstance(doc.attrib['foo'], compat_str))
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/test/test_utils.py b/test/test_utils.py
index 918a7a9ef..a9e0fed7e 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -68,6 +68,9 @@ from youtube_dl.utils import (
     cli_valueless_option,
     cli_bool_option,
 )
+from youtube_dl.compat import (
+    compat_etree_fromstring,
+)
 
 
 class TestUtil(unittest.TestCase):
@@ -242,7 +245,7 @@ class TestUtil(unittest.TestCase):
             <node x="b" y="d" />
             <node x="" />
         </root>'''
-        doc = xml.etree.ElementTree.fromstring(testxml)
+        doc = compat_etree_fromstring(testxml)
 
         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n'), None)
         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
@@ -263,7 +266,7 @@ class TestUtil(unittest.TestCase):
                 <url>http://server.com/download.mp3</url>
             </media:song>
         </root>'''
-        doc = xml.etree.ElementTree.fromstring(testxml)
+        doc = compat_etree_fromstring(testxml)
         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
         self.assertTrue(find('media:song') is not None)
         self.assertEqual(find('media:song/media:author').text, 'The Author')
@@ -285,7 +288,7 @@ class TestUtil(unittest.TestCase):
                 <p>Foo</p>
             </div>
         </root>'''
-        doc = xml.etree.ElementTree.fromstring(testxml)
+        doc = compat_etree_fromstring(testxml)
         self.assertEqual(xpath_text(doc, 'div/p'), 'Foo')
         self.assertEqual(xpath_text(doc, 'div/bar', default='default'), 'default')
         self.assertTrue(xpath_text(doc, 'div/bar') is None)
@@ -297,7 +300,7 @@ class TestUtil(unittest.TestCase):
                 <p x="a">Foo</p>
             </div>
         </root>'''
-        doc = xml.etree.ElementTree.fromstring(testxml)
+        doc = compat_etree_fromstring(testxml)
         self.assertEqual(xpath_attr(doc, 'div/p', 'x'), 'a')
         self.assertEqual(xpath_attr(doc, 'div/bar', 'x'), None)
         self.assertEqual(xpath_attr(doc, 'div/p', 'y'), None)