Author: Armin Rigo <ar...@tunes.org>
Branch: py3.5
Changeset: r89978:c0a9a513dbec
Date: 2017-02-06 19:32 +0100
http://bitbucket.org/pypy/pypy/changeset/c0a9a513dbec/
Log: fix _lzma.py by copying the 3.5.2->3.5.3 diff
diff --git a/lib_pypy/_lzma.py b/lib_pypy/_lzma.py
--- a/lib_pypy/_lzma.py
+++ b/lib_pypy/_lzma.py
@@ -108,7 +108,7 @@
Always returns True for CHECK_NONE and CHECK_CRC32."""
return bool(m.lzma_check_is_supported(check))
-def catch_lzma_error(fun, *args):
+def catch_lzma_error(fun, *args, ignore_buf_error=False):
try:
lzret = fun(*args)
except:
@@ -124,6 +124,8 @@
elif lzret == m.LZMA_OPTIONS_ERROR:
raise LZMAError("Invalid or unsupported options")
elif lzret == m.LZMA_BUF_ERROR:
+ if ignore_buf_error:
+ return m.LZMA_OK
raise LZMAError("Insufficient buffer space")
elif lzret == m.LZMA_PROG_ERROR:
raise LZMAError("Internal error")
@@ -589,6 +591,9 @@
lzs.next_in = buf
lzs.avail_in = buf_len
+ if buf_len == 0:
+ return b""
+
bufsiz = self._bufsiz
if not (max_length < 0 or max_length > io.DEFAULT_BUFFER_SIZE):
bufsiz = max_length
@@ -733,7 +738,7 @@
lzs = self.lzs
lzs.next_in = input_ = ffi.new('uint8_t[]', to_bytes(data))
- lzs.avail_in = len(data)
+ lzs.avail_in = input_len = len(data)
outs = [ffi.new('uint8_t[]', BUFSIZ)]
lzs.next_out, = outs
lzs.avail_out = BUFSIZ
@@ -742,7 +747,8 @@
while True:
next_out_pos = int(ffi.cast('intptr_t', lzs.next_out))
- ret = catch_lzma_error(m.lzma_code, lzs, action)
+ ret = catch_lzma_error(m.lzma_code, lzs, action,
+ ignore_buf_error=(input_len==0 and lzs.avail_out > 0))
data_size = int(ffi.cast('intptr_t', lzs.next_out)) - next_out_pos
if (action == m.LZMA_RUN and lzs.avail_in == 0) or \
(action == m.LZMA_FINISH and ret == m.LZMA_STREAM_END):
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