py/objstr: Support tuples and start/end args in startswith and endswith.

This change allows tuples to be passed as the prefix/suffix argument to the
`str.startswith()` and `str.endswith()` methods.  The methods will return
`True` if the string starts/ends with any of the prefixes/suffixes in the
tuple.

Also adds full support for the `start` and `end` arguments to both methods
for compatibility with CPython.

Tests have been updated for the new behaviour.

Signed-off-by: Glenn Moloney <glenn.moloney@gmail.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/tests/misc/non_compliant.py b/tests/misc/non_compliant.py
index da90f90ac..dd62f6325 100644
--- a/tests/misc/non_compliant.py
+++ b/tests/misc/non_compliant.py
@@ -63,12 +63,6 @@ try:
 except NotImplementedError:
     print("NotImplementedError")
 
-# str.endswith(s, start) not implemented
-try:
-    "abc".endswith("c", 1)
-except NotImplementedError:
-    print("NotImplementedError")
-
 # str subscr with step!=1 not implemented
 try:
     print("abc"[1:2:3])