added python-bleach for user input sanitazing

package/Config.in

@@ -912,6 +912,7 @@ menu "External python modules"
 	source "package/python-bcrypt/Config.in"
 	source "package/python-beautifulsoup4/Config.in"
 	source "package/python-bitstring/Config.in"
+	source "package/python-bleach/Config.in"
 	source "package/python-bleak/Config.in"
 	source "package/python-blinker/Config.in"
 	source "package/python-bluezero/Config.in"

package/python-bleach/Config.in

@@ -0,0 +1,9 @@
+config BR2_PACKAGE_PYTHON_BLEACH
+	bool "python-bleach"
+	select BR2_PACKAGE_PYTHON_PACKAGING # runtime
+	select BR2_PACKAGE_PYTHON_SIX # runtime
+	select BR2_PACKAGE_PYTHON_WEBENCODINGS # runtime
+	help
+	  An easy safelist-based HTML-sanitizing tool.
+
+	  https://github.com/mozilla/bleach

package/python-bleach/python-bleach.hash

@@ -0,0 +1,5 @@
+# md5, sha256 from https://pypi.org/pypi/bleach/json
+md5  0a9d302444b252e7adb2fda175be22d6  bleach-3.3.0.tar.gz
+sha256  98b3170739e5e83dd9dc19633f074727ad848cbedb6026708c8ac2d3b697a433  bleach-3.3.0.tar.gz
+# Locally computed sha256 checksums
+sha256  bec2238c149a632b8fb26813f687aceabab80327f3270769c2c16157883d3130  LICENSE

package/python-bleach/python-bleach.mk

@@ -0,0 +1,14 @@
+################################################################################
+#
+# python-bleach
+#
+################################################################################
+
+PYTHON_BLEACH_VERSION = 3.3.0
+PYTHON_BLEACH_SOURCE = bleach-$(PYTHON_BLEACH_VERSION).tar.gz
+PYTHON_BLEACH_SITE = https://files.pythonhosted.org/packages/70/84/2783f734240fab7815a00b419c4281d2d0984971de30b08176aae2acff10
+PYTHON_BLEACH_SETUP_TYPE = setuptools
+PYTHON_BLEACH_LICENSE = Apache-2.0
+PYTHON_BLEACH_LICENSE_FILES = LICENSE
+
+$(eval $(python-package))