python-cryptography: Extend recipe to support Python 3

- Add Python 3 recipe
  - Change DEPENDS and RDEPENDS code style
  - Add native and nativesdk to BBCLASSEXTEND

Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python-cryptography.inc

@@ -0,0 +1,48 @@
+SUMMARY = "Provides cryptographic recipes and primitives to python developers"
+LICENSE = "Apache-2.0 | BSD"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=8c3617db4fb6fae01f1d253ab91511e4"
+
+DEPENDS += " \
+    ${PYTHON_PN}-cffi \
+    ${PYTHON_PN}-cffi-native \
+    ${PYTHON_PN}-pyasn1 \
+    ${PYTHON_PN}-six \
+"
+
+SRC_URI[md5sum] = "a9763e3831cc7cdb402c028fac1ceb39"
+SRC_URI[sha256sum] = "bb149540ed90c4b2171bf694fe6991d6331bc149ae623c8ff419324f4222d128"
+
+RDEPENDS_${PN} += " \
+    ${PYTHON_PN}-cffi \
+    ${PYTHON_PN}-idna \
+    ${PYTHON_PN}-numbers \
+    ${PYTHON_PN}-pyasn1 \
+    ${PYTHON_PN}-pycparser \
+    ${PYTHON_PN}-setuptools \
+    ${PYTHON_PN}-six \
+    ${PYTHON_PN}-subprocess \
+    ${PYTHON_PN}-threading \
+"
+
+RDEPENDS_${PN}-ptest += " \
+    ${PN} \
+    ${PYTHON_PN}-cryptography-vectors \
+    ${PYTHON_PN}-iso8601 \
+    ${PYTHON_PN}-pretend \
+    ${PYTHON_PN}-pytest \
+"
+
+inherit ptest
+
+do_install_ptest() {
+    install -d ${D}${PTEST_PATH}/tests
+    cp -rf ${S}/tests/* ${D}${PTEST_PATH}/tests/
+    install -d ${D}${PTEST_PATH}/tests/hazmat
+    cp -rf ${S}/tests/hazmat/* ${D}${PTEST_PATH}/tests/hazmat/
+}
+
+FILES_${PN}-dbg += " \
+    ${libdir}/${PYTHON_PN}2.7/site-packages/${SRCNAME}/hazmat/bindings/.debug \
+"
+
+BBCLASSEXTEND = "native nativesdk"