python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Mac/BuildScript/scripts/postflight.patch-profile

@@ -0,0 +1,99 @@
+#!/bin/sh
+
+echo "This script will update your shell profile when the 'bin' directory"
+echo "of python is not early enough of the PATH of your shell."
+echo "These changes will be effective only in shell windows that you open"
+echo "after running this script."
+
+PYVER=@PYVER@
+PYTHON_ROOT="/Library/Frameworks/Python.framework/Versions/@PYVER@"
+
+if [ `id -ur` = 0 ]; then
+	# Run from the installer, do some trickery to fetch the information
+	# we need.
+	theShell="`finger $USER | grep Shell: | head  -1 | awk '{ print $NF }'`"
+
+else
+	theShell="${SHELL}"
+fi
+
+# Make sure the directory ${PYTHON_ROOT}/bin is on the users PATH.
+BSH="`basename "${theShell}"`"
+case "${BSH}" in
+bash|ksh|sh|*csh|zsh)
+	if [ `id -ur` = 0 ]; then
+		P=`su - ${USER} -c 'echo A-X-4-X@@$PATH@@X-4-X-A' | grep 'A-X-4-X@@.*@@X-4-X-A' | sed -e 's/^A-X-4-X@@//g' -e 's/@@X-4-X-A$//g'`
+	else
+		P="`(exec -l ${theShell} -c 'echo $PATH')`"
+	fi
+	;;
+*)
+	echo "Sorry, I don't know how to patch $BSH shells"
+	exit 0
+	;;
+esac
+
+# Now ensure that our bin directory is on $P and before /usr/bin at that
+for elem in `echo $P | tr ':' ' '`
+do
+	if [ "${elem}" = "${PYTHON_ROOT}/bin" ]; then
+		echo "All right, you're a python lover already"
+		exit 0
+	elif [ "${elem}" = "/usr/bin" ]; then
+		break
+	fi
+done
+
+echo "${PYTHON_ROOT}/bin is not on your PATH or at least not early enough"
+case "${BSH}" in
+*csh)
+	if [ -f "${HOME}/.tcshrc" ]; then
+		RC="${HOME}/.tcshrc"
+	else
+		RC="${HOME}/.cshrc"
+	fi
+	# Create backup copy before patching
+	if [ -f "${RC}" ]; then
+		cp -fp "${RC}" "${RC}.pysave"
+	fi
+	echo "" >> "${RC}"
+	echo "# Setting PATH for Python ${PYVER}" >> "${RC}"
+	echo "# The original version is saved in .cshrc.pysave" >> "${RC}"
+	echo "set path=(${PYTHON_ROOT}/bin "'$path'")" >> "${RC}"
+	if [ `id -ur` = 0 ]; then
+		chown "${USER}" "${RC}"
+	fi
+	exit 0
+	;;
+bash)
+	if [ -e "${HOME}/.bash_profile" ]; then
+		PR="${HOME}/.bash_profile"
+	elif [ -e "${HOME}/.bash_login" ]; then
+		PR="${HOME}/.bash_login"
+	elif [ -e "${HOME}/.profile" ]; then
+		PR="${HOME}/.profile"
+	else
+		PR="${HOME}/.bash_profile"
+	fi
+	;;
+zsh)
+        PR="${HOME}/.zprofile"
+        ;;
+*sh)
+	PR="${HOME}/.profile"
+	;;
+esac
+
+# Create backup copy before patching
+if [ -f "${PR}" ]; then
+	cp -fp "${PR}" "${PR}.pysave"
+fi
+echo "" >> "${PR}"
+echo "# Setting PATH for Python ${PYVER}" >> "${PR}"
+echo "# The original version is saved in `basename ${PR}`.pysave" >> "${PR}"
+echo 'PATH="'"${PYTHON_ROOT}/bin"':${PATH}"' >> "${PR}"
+echo 'export PATH' >> "${PR}"
+if [ `id -ur` = 0 ]; then
+	chown "${USER}" "${PR}"
+fi
+exit 0