Author: Manuel Jacob <[email protected]>
Branch: py3.3
Changeset: r78497:db201c02e7fc
Date: 2015-07-05 08:40 +0200
http://bitbucket.org/pypy/pypy/changeset/db201c02e7fc/
Log: Try __bytes__ before __index__ when converting an object to bytes.
diff --git a/pypy/objspace/std/bytesobject.py b/pypy/objspace/std/bytesobject.py
--- a/pypy/objspace/std/bytesobject.py
+++ b/pypy/objspace/std/bytesobject.py
@@ -683,6 +683,14 @@
raise OperationError(space.w_TypeError, space.wrap(
"encoding or errors without string argument"))
return []
+ # Some object with __bytes__ special method
+ w_bytes_method = space.lookup(w_source, "__bytes__")
+ if w_bytes_method is not None:
+ w_bytes = space.get_and_call_function(w_bytes_method, w_source)
+ if not space.isinstance_w(w_bytes, space.w_bytes):
+ raise oefmt(space.w_TypeError,
+ "__bytes__ returned non-bytes (type '%T')", w_bytes)
+ return [c for c in space.bytes_w(w_bytes)]
# Is it an integer?
# Note that we're calling space.getindex_w() instead of space.int_w().
try:
@@ -707,7 +715,7 @@
w_source = encode_object(space, w_source, encoding, errors)
# and continue with the encoded string
- return makebytesdata_w(space, w_source)
+ return _convert_from_buffer_or_iterable(space, w_source)
def makebytesdata_w(space, w_source):
w_bytes_method = space.lookup(w_source, "__bytes__")
@@ -717,7 +725,9 @@
raise oefmt(space.w_TypeError,
"__bytes__ returned non-bytes (type '%T')", w_bytes)
return [c for c in space.bytes_w(w_bytes)]
+ return _convert_from_buffer_or_iterable(space, w_source)
+def _convert_from_buffer_or_iterable(space, w_source):
# String-like argument
try:
buf = space.buffer_w(w_source, space.BUF_FULL_RO)
diff --git a/pypy/objspace/std/test/test_bytesobject.py
b/pypy/objspace/std/test/test_bytesobject.py
--- a/pypy/objspace/std/test/test_bytesobject.py
+++ b/pypy/objspace/std/test/test_bytesobject.py
@@ -757,6 +757,14 @@
return 3
raises(TypeError, bytes, WithInt())
+ def test_fromobject___bytes__(self):
+ class WithIndex:
+ def __bytes__(self):
+ return b'a'
+ def __index__(self):
+ return 3
+ assert bytes(WithIndex()) == b'a'
+
def test_getnewargs(self):
assert b"foo".__getnewargs__() == (b"foo",)
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