Test on Python 3.7.0b4 [skip appveyor]

CHANGES.rst

@@ -36,6 +36,9 @@
   the end of the loop iteration using UV_RUN_ONCE. This eliminates the
   need to patch libuv to be greenlet-safe.
 
+- Python 3.7.0b4 is now the tested and supported version of Python
+  3.7. PyPy 6.0 has been tested, although CI continues to use 5.10.
+
 1.3b1 (2018-04-13)
 ==================
 

Makefile

@@ -131,7 +131,7 @@ PY27=$(BUILD_RUNTIMES)/snakepit/python2.7.14
 PY34=$(BUILD_RUNTIMES)/snakepit/python3.4.7
 PY35=$(BUILD_RUNTIMES)/snakepit/python3.5.4
 PY36=$(BUILD_RUNTIMES)/snakepit/python3.6.4
-PY37=$(BUILD_RUNTIMES)/snakepit/python3.7.0b3
+PY37=$(BUILD_RUNTIMES)/snakepit/python3.7.0b4
 PYPY=$(BUILD_RUNTIMES)/snakepit/pypy5100
 PYPY3=$(BUILD_RUNTIMES)/snakepit/pypy3.5_5101
 
@@ -197,7 +197,7 @@ test-py36: $(PY36)
 	PYTHON=python3.6.4 PATH=$(BUILD_RUNTIMES)/versions/python3.6.4/bin:$(PATH) make develop allbackendtest
 
 test-py37: $(PY37)
-	LD_LIBRARY_PATH=$(BUILD_RUNTIMES)/versions/python3.7.0b3/openssl/lib PYTHON=python3.7.0b3 PATH=$(BUILD_RUNTIMES)/versions/python3.7.0b3/bin:$(PATH) make develop allbackendtest
+	LD_LIBRARY_PATH=$(BUILD_RUNTIMES)/versions/python3.7.0b4/openssl/lib PYTHON=python3.7.0b4 PATH=$(BUILD_RUNTIMES)/versions/python3.7.0b4/bin:$(PATH) make develop allbackendtest
 
 test-pypy: $(PYPY)
 	PYTHON=$(PYPY) PATH=$(BUILD_RUNTIMES)/versions/pypy5100/bin:$(PATH) make develop cffibackendtest

scripts/install.sh

@@ -49,7 +49,7 @@ PYENV=$BASE/pyenv
 
 # The file for 3.7b1 shipped with pyenv on Feb 6 2018
 # won't compile on Travis. So we use a forked version that
-# compiles openssl for us. We also beat them to the punch for 3.7b2
+# compiles openssl for us. We also beat them to the punch for 3.7b2, b3, b4
 # https://github.com/travis-ci/travis-ci/issues/9069
 
 if [ ! -d "$PYENV/.git" ]; then
@@ -108,7 +108,7 @@ for var in "$@"; do
       install 3.6.4 python3.6.4
       ;;
     3.7)
-      install 3.7.0b3 python3.7.0b3
+      install 3.7.0b4 python3.7.0b4
       ;;
     pypy)
       install pypy2.7-5.10.0 pypy5100

src/greentest/3.7/test_socket.py

@@ -5948,7 +5948,7 @@ class LinuxKernelCryptoAPI(unittest.TestCase):
 @unittest.skipUnless(sys.platform.startswith("win"), "requires Windows")
 class TestMSWindowsTCPFlags(unittest.TestCase):
     knownTCPFlags = {
-                       # avaliable since long time ago
+                       # available since long time ago
                        'TCP_MAXSEG',
                        'TCP_NODELAY',
                        # available starting with Windows 10 1607

src/greentest/3.7/version

-3.7.0b3
+3.7.0b4