python3-mock: Introduce recipe from meta-python

Recipe imported from:
http://cgit.openembedded.org/meta-openembedded/tree/meta-python/recipes-devtools/python/python3-mock_4.0.3.bb



Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

recipes-devtools/python/python3-mock_4.0.3.bb

+DESCRIPTION = "A Python Mocking and Patching Library for Testing"
+HOMEPAGE = "https://pypi.python.org/pypi/mock"
+SECTION = "devel/python"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=de9dfbf780446b18aab11f00baaf5b7e"
+
+inherit pypi setuptools3
+
+RDEPENDS_${PN} += "${PYTHON_PN}-prettytable \
+            ${PYTHON_PN}-cmd2 \
+            ${PYTHON_PN}-pyparsing \
+            ${PYTHON_PN}-mccabe \
+            ${PYTHON_PN}-pep8 \
+            ${PYTHON_PN}-pyflakes"
+
+SRC_URI[sha256sum] = "7d3fbbde18228f4ff2f1f119a45cdffa458b4c0dee32eb4d2bb2f82554bac7bc"