[pypy-commit] pypy py3.6: changeset abe60bf6dc7b broke re.compile('([ \t]*line\W)|([ \t]*\d+)') in cffi

[mattip]

Author: Matti Picus <matti.picus at gmail.com>
Branch: py3.6
Changeset: r97560:b2dd9b388196
Date: 2019-09-20 09:51 +0300
http://bitbucket.org/pypy/pypy/changeset/b2dd9b388196/

Log:	changeset abe60bf6dc7b broke re.compile('([ \t]*line\W)|([
	\t]*\d+)') in cffi

diff --git a/pypy/interpreter/pyparser/test/apptest_parsestring.py b/pypy/interpreter/pyparser/test/apptest_parsestring.py
--- a/pypy/interpreter/pyparser/test/apptest_parsestring.py
+++ b/pypy/interpreter/pyparser/test/apptest_parsestring.py
@@ -8,11 +8,3 @@
             eval("b'''\n\\z'''")
     assert not w
     assert excinfo.value.filename == '<string>'
-
-def test_str_invalid_escape():
-    with warnings.catch_warnings(record=True) as w:
-        warnings.simplefilter('error', category=DeprecationWarning)
-        with raises(SyntaxError) as excinfo:
-            eval("'''\n\\z'''")
-    assert not w
-    assert excinfo.value.filename == '<string>'
diff --git a/pypy/interpreter/unicodehelper.py b/pypy/interpreter/unicodehelper.py
--- a/pypy/interpreter/unicodehelper.py
+++ b/pypy/interpreter/unicodehelper.py
@@ -130,15 +130,6 @@
         final=True,
         errorhandler=state.decode_error_handler,
         ud_handler=unicodedata_handler)
-    if first_escape_error_char is not None:
-        msg = "invalid escape sequence '%s'"
-        try:
-            space.warn(space.newtext(msg % first_escape_error_char), space.w_DeprecationWarning)
-        except OperationError as e:
-            if e.match(space, space.w_DeprecationWarning):
-                raise oefmt(space.w_SyntaxError, msg, first_escape_error_char)
-            else:
-                raise
     return s, ulen, blen
 
 def decode_raw_unicode_escape(space, string):