diff -r 5b60464efbde -r c32454d69b85 contrib/python-zstandard/c-ext/frameparams.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contrib/python-zstandard/c-ext/frameparams.c	Tue Feb 07 23:24:47 2017 -0800
@@ -0,0 +1,132 @@
+/**
+* Copyright (c) 2017-present, Gregory Szorc
+* All rights reserved.
+*
+* This software may be modified and distributed under the terms
+* of the BSD license. See the LICENSE file for details.
+*/
+
+#include "python-zstandard.h"
+
+extern PyObject* ZstdError;
+
+PyDoc_STRVAR(FrameParameters__doc__,
+	"FrameParameters: information about a zstd frame");
+
+FrameParametersObject* get_frame_parameters(PyObject* self, PyObject* args) {
+	const char* source;
+	Py_ssize_t sourceSize;
+	ZSTD_frameParams params;
+	FrameParametersObject* result = NULL;
+	size_t zresult;
+
+#if PY_MAJOR_VERSION >= 3
+	if (!PyArg_ParseTuple(args, "y#:get_frame_parameters",
+#else
+	if (!PyArg_ParseTuple(args, "s#:get_frame_parameters",
+#endif
+		&source, &sourceSize)) {
+		return NULL;
+	}
+
+	/* Needed for Python 2 to reject unicode */
+	if (!PyBytes_Check(PyTuple_GET_ITEM(args, 0))) {
+		PyErr_SetString(PyExc_TypeError, "argument must be bytes");
+		return NULL;
+	}
+
+	zresult = ZSTD_getFrameParams(&params, (void*)source, sourceSize);
+
+	if (ZSTD_isError(zresult)) {
+		PyErr_Format(ZstdError, "cannot get frame parameters: %s", ZSTD_getErrorName(zresult));
+		return NULL;
+	}
+
+	if (zresult) {
+		PyErr_Format(ZstdError, "not enough data for frame parameters; need %zu bytes", zresult);
+		return NULL;
+	}
+
+	result = PyObject_New(FrameParametersObject, &FrameParametersType);
+	if (!result) {
+		return NULL;
+	}
+
+	result->frameContentSize = params.frameContentSize;
+	result->windowSize = params.windowSize;
+	result->dictID = params.dictID;
+	result->checksumFlag = params.checksumFlag ? 1 : 0;
+
+	return result;
+}
+
+static void FrameParameters_dealloc(PyObject* self) {
+	PyObject_Del(self);
+}
+
+static PyMemberDef FrameParameters_members[] = {
+	{ "content_size", T_ULONGLONG,
+	  offsetof(FrameParametersObject, frameContentSize), READONLY,
+	  "frame content size" },
+	{ "window_size", T_UINT,
+	  offsetof(FrameParametersObject, windowSize), READONLY,
+	  "window size" },
+	{ "dict_id", T_UINT,
+	  offsetof(FrameParametersObject, dictID), READONLY,
+	  "dictionary ID" },
+	{ "has_checksum", T_BOOL,
+	  offsetof(FrameParametersObject, checksumFlag), READONLY,
+	  "checksum flag" },
+	{ NULL }
+};
+
+PyTypeObject FrameParametersType = {
+	PyVarObject_HEAD_INIT(NULL, 0)
+	"FrameParameters",          /* tp_name */
+	sizeof(FrameParametersObject), /* tp_basicsize */
+	0,                         /* tp_itemsize */
+	(destructor)FrameParameters_dealloc, /* tp_dealloc */
+	0,                         /* tp_print */
+	0,                         /* tp_getattr */
+	0,                         /* tp_setattr */
+	0,                         /* tp_compare */
+	0,                         /* tp_repr */
+	0,                         /* tp_as_number */
+	0,                         /* tp_as_sequence */
+	0,                         /* tp_as_mapping */
+	0,                         /* tp_hash  */
+	0,                         /* tp_call */
+	0,                         /* tp_str */
+	0,                         /* tp_getattro */
+	0,                         /* tp_setattro */
+	0,                         /* tp_as_buffer */
+	Py_TPFLAGS_DEFAULT,        /* tp_flags */
+	FrameParameters__doc__,    /* tp_doc */
+	0,                         /* tp_traverse */
+	0,                         /* tp_clear */
+	0,                         /* tp_richcompare */
+	0,                         /* tp_weaklistoffset */
+	0,                         /* tp_iter */
+	0,                         /* tp_iternext */
+	0,                         /* tp_methods */
+	FrameParameters_members,   /* tp_members */
+	0,                         /* tp_getset */
+	0,                         /* tp_base */
+	0,                         /* tp_dict */
+	0,                         /* tp_descr_get */
+	0,                         /* tp_descr_set */
+	0,                         /* tp_dictoffset */
+	0,                         /* tp_init */
+	0,                         /* tp_alloc */
+	0,                         /* tp_new */
+};
+
+void frameparams_module_init(PyObject* mod) {
+	Py_TYPE(&FrameParametersType) = &PyType_Type;
+	if (PyType_Ready(&FrameParametersType) < 0) {
+		return;
+	}
+
+	Py_IncRef((PyObject*)&FrameParametersType);
+	PyModule_AddObject(mod, "FrameParameters", (PyObject*)&FrameParametersType);
+}