global: change version to 0.15.2 and release

The main reason for the release is to publish macOS M1 wheels.

There have been minimal changes since 0.15, so a minor version release
is appropriate.

c-ext/python-zstandard.h

@@ -29,8 +29,8 @@
 #include <zstd.h>
 #endif
 
-/* Remember to change the string in zstandard/__init__ as well */
-#define PYTHON_ZSTANDARD_VERSION "0.16.0.dev0"
+/* Remember to change the string in zstandard/__init__.py, rust-ext/src/lib.rs as well */
+#define PYTHON_ZSTANDARD_VERSION "0.15.2"
 
 typedef enum {
     compressorobj_flush_finish,

docs/news.rst

@@ -74,8 +74,8 @@ Other Actions Not Blocking Release
 * API for ensuring max memory ceiling isn't exceeded.
 * Move off nose for testing.
 
-0.16.0 (not yet released)
-=========================
+0.15.2 (released 2021-02-27)
+============================
 
 Backwards Compatibility Notes
 -----------------------------
@@ -94,6 +94,14 @@ Changes
   to use when compiling the C backend.
 * PyPy build and test coverage has been added to CI.
 * Added CI jobs for building against external zstd library.
+* Wheels supporting macOS ARM/M1 devices are now being produced.
+* References to Python 2 have been removed from the in-repo Debian packaging
+  code.
+* Significant work has been made on a Rust backend. It is currently feature
+  complete but not yet optimized. We are not yet shipping the backend as part
+  of the distributed wheels until it is more mature.
+* The ``.pyi`` type annotations file has replaced various default argument
+  values with ``...``.
 
 0.15.1 (released 2020-12-31)
 ============================

rust-ext/src/lib.rs

@@ -32,7 +32,7 @@ mod zstd_safe;
 
 use exceptions::ZstdError;
 
-const VERSION: &'static str = "0.16.0.dev0";
+const VERSION: &'static str = "0.15.2";
 
 #[pymodule]
 fn backend_rust(py: Python, module: &PyModule) -> PyResult<()> {

tests/test_module_attributes.py

@@ -7,7 +7,7 @@ class TestModuleAttributes(unittest.TestCase):
     def test_version(self):
         self.assertEqual(zstd.ZSTD_VERSION, (1, 4, 8))
 
-        self.assertEqual(zstd.__version__, "0.16.0.dev0")
+        self.assertEqual(zstd.__version__, "0.15.2")
 
     def test_features(self):
         self.assertIsInstance(zstd.backend_features, set)

zstandard/__init__.py

@@ -79,8 +79,8 @@
         "cext, or cffi" % _module_policy
     )
 
-# Keep this in sync with python-zstandard.h.
-__version__ = "0.16.0.dev0"
+# Keep this in sync with python-zstandard.h, rust-ext/src/lib.rs.
+__version__ = "0.15.2"
 
 _MODE_CLOSED = 0
 _MODE_READ = 1