Author: Alex Gaynor <[email protected]>
Branch:
Changeset: r68590:d4da11a52766
Date: 2014-01-06 22:25 -0800
http://bitbucket.org/pypy/pypy/changeset/d4da11a52766/
Log: Started on audioop module.
diff --git a/lib-python/conftest.py b/lib-python/conftest.py
--- a/lib-python/conftest.py
+++ b/lib-python/conftest.py
@@ -109,7 +109,7 @@
RegrTest('test_asynchat.py', usemodules='select fcntl'),
RegrTest('test_asyncore.py', usemodules='select fcntl'),
RegrTest('test_atexit.py', core=True),
- RegrTest('test_audioop.py', skip="unsupported extension module"),
+ RegrTest('test_audioop.py', skip="incomplete module"),
RegrTest('test_augassign.py', core=True),
RegrTest('test_base64.py', usemodules='struct'),
RegrTest('test_bastion.py'),
diff --git a/lib_pypy/audioop.py b/lib_pypy/audioop.py
new file mode 100644
--- /dev/null
+++ b/lib_pypy/audioop.py
@@ -0,0 +1,29 @@
+
+import struct
+
+
+class error(Exception):
+ pass
+
+
+def _check_size(size):
+ if size != 1 and size != 2 and size != 4:
+ raise error("Size should be 1, 2 or 4")
+
+
+def _check_params(length, size):
+ _check_size(size)
+ if length % size != 0:
+ raise error("not a whole number of frames")
+
+
+def getsample(cp, size, i):
+ _check_params(len(cp), size)
+ if not (0 <= i < len(cp) / size):
+ raise error("Index out of range")
+ if size == 1:
+ return struct.unpack_from("B", buffer(cp)[i:])[0]
+ elif size == 2:
+ return struct.unpack_from("H", buffer(cp)[i * 2:])[0]
+ elif size == 4:
+ return struct.unpack_from("I", buffer(cp)[i * 4:])[0]
diff --git a/pypy/module/_cffi_backend/cdataobj.py
b/pypy/module/_cffi_backend/cdataobj.py
--- a/pypy/module/_cffi_backend/cdataobj.py
+++ b/pypy/module/_cffi_backend/cdataobj.py
@@ -5,7 +5,7 @@
from pypy.interpreter.gateway import interp2app
from pypy.interpreter.typedef import TypeDef, make_weakref_descr
-from rpython.rlib import objectmodel, rgc
+from rpython.rlib import rgc
from rpython.rlib.objectmodel import keepalive_until_here, specialize
from rpython.rtyper.lltypesystem import lltype, rffi
from rpython.tool.sourcetools import func_with_new_name
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