diff --git a/poky/scripts/lib/recipetool/append.py b/poky/scripts/lib/recipetool/append.py
index 69c8bb7..3f2c134 100644
--- a/poky/scripts/lib/recipetool/append.py
+++ b/poky/scripts/lib/recipetool/append.py
@@ -238,7 +238,7 @@
     if stdout:
         logger.debug('file command output: %s' % stdout.rstrip())
         if ('executable' in stdout and not 'shell script' in stdout) or 'shared object' in stdout:
-            logger.warn('This file looks like it is a binary or otherwise the output of compilation. If it is, you should consider building it properly instead of substituting a binary file directly.')
+            logger.warning('This file looks like it is a binary or otherwise the output of compilation. If it is, you should consider building it properly instead of substituting a binary file directly.')
 
     if args.recipe:
         recipes = {args.targetpath: [args.recipe],}
@@ -275,7 +275,7 @@
     if selectpn:
         logger.debug('Selecting recipe %s for file %s' % (selectpn, args.targetpath))
         if postinst_pns:
-            logger.warn('%s be modified by postinstall scripts for the following recipes:\n  %s\nThis may or may not be an issue depending on what modifications these postinstall scripts make.' % (args.targetpath, '\n  '.join(postinst_pns)))
+            logger.warning('%s be modified by postinstall scripts for the following recipes:\n  %s\nThis may or may not be an issue depending on what modifications these postinstall scripts make.' % (args.targetpath, '\n  '.join(postinst_pns)))
         rd = _parse_recipe(selectpn, tinfoil)
         if not rd:
             # Error message already shown
@@ -286,12 +286,12 @@
             sourcetype, sourcepath = sourcefile.split('://', 1)
             logger.debug('Original source file is %s (%s)' % (sourcepath, sourcetype))
             if sourcetype == 'patch':
-                logger.warn('File %s is added by the patch %s - you may need to remove or replace this patch in order to replace the file.' % (args.targetpath, sourcepath))
+                logger.warning('File %s is added by the patch %s - you may need to remove or replace this patch in order to replace the file.' % (args.targetpath, sourcepath))
                 sourcepath = None
         else:
             logger.debug('Unable to determine source file, proceeding anyway')
         if modpatches:
-            logger.warn('File %s is modified by the following patches:\n  %s' % (args.targetpath, '\n  '.join(modpatches)))
+            logger.warning('File %s is modified by the following patches:\n  %s' % (args.targetpath, '\n  '.join(modpatches)))
 
         if instelements and sourcepath:
             install = None
@@ -343,7 +343,7 @@
             if rd.getVar('S') == rd.getVar('STAGING_KERNEL_DIR'):
                 srcdir = os.path.join(workdir, 'git')
                 if not bb.data.inherits_class('kernel-yocto', rd):
-                    logger.warn('S == STAGING_KERNEL_DIR and non-kernel-yocto, unable to determine path to srcdir, defaulting to ${WORKDIR}/git')
+                    logger.warning('S == STAGING_KERNEL_DIR and non-kernel-yocto, unable to determine path to srcdir, defaulting to ${WORKDIR}/git')
             src_destdir = os.path.join(os.path.relpath(srcdir, workdir), src_destdir)
         src_destdir = os.path.normpath(src_destdir)
 
@@ -357,9 +357,9 @@
         if simple_str in simplified:
             existing = simplified[simple_str]
             if source_uri != existing:
-                logger.warn('{0!r} is already in SRC_URI, with different parameters: {1!r}, not adding'.format(source_uri, existing))
+                logger.warning('{0!r} is already in SRC_URI, with different parameters: {1!r}, not adding'.format(source_uri, existing))
             else:
-                logger.warn('{0!r} is already in SRC_URI, not adding'.format(source_uri))
+                logger.warning('{0!r} is already in SRC_URI, not adding'.format(source_uri))
         else:
             extralines.append('SRC_URI += {0}'.format(source_uri))
         copyfiles[newfile] = srcfile
diff --git a/poky/scripts/lib/recipetool/create.py b/poky/scripts/lib/recipetool/create.py
index a371028..1810c70 100644
--- a/poky/scripts/lib/recipetool/create.py
+++ b/poky/scripts/lib/recipetool/create.py
@@ -98,7 +98,7 @@
                             break
             except IOError as ioe:
                 if ioe.errno == 2:
-                    logger.warn('unable to find a pkgdata file for package %s' % pkg)
+                    logger.warning('unable to find a pkgdata file for package %s' % pkg)
                 else:
                     raise
 
@@ -437,7 +437,7 @@
     if scriptutils.is_src_url(source):
         # Warn about github archive URLs
         if re.match('https?://github.com/[^/]+/[^/]+/archive/.+(\.tar\..*|\.zip)$', source):
-            logger.warn('github archive files are not guaranteed to be stable and may be re-generated over time. If the latter occurs, the checksums will likely change and the recipe will fail at do_fetch. It is recommended that you point to an actual commit or tag in the repository instead (using the repository URL in conjunction with the -S/--srcrev option).')
+            logger.warning('github archive files are not guaranteed to be stable and may be re-generated over time. If the latter occurs, the checksums will likely change and the recipe will fail at do_fetch. It is recommended that you point to an actual commit or tag in the repository instead (using the repository URL in conjunction with the -S/--srcrev option).')
         # Fetch a URL
         fetchuri = reformat_git_uri(urldefrag(source)[0])
         if args.binary:
diff --git a/poky/scripts/lib/recipetool/create_kmod.py b/poky/scripts/lib/recipetool/create_kmod.py
index 4569b53..3982537 100644
--- a/poky/scripts/lib/recipetool/create_kmod.py
+++ b/poky/scripts/lib/recipetool/create_kmod.py
@@ -141,7 +141,7 @@
                 warnmsg = 'Unable to find means of passing kernel path into install makefile - if kernel path is hardcoded you will need to patch the makefile'
             if warnmsg:
                 warnmsg += '. Note that the variable KERNEL_SRC will be passed in as the kernel source path.'
-                logger.warn(warnmsg)
+                logger.warning(warnmsg)
                 lines_after.append('# %s' % warnmsg)
 
             return True
diff --git a/poky/scripts/lib/recipetool/create_npm.py b/poky/scripts/lib/recipetool/create_npm.py
index bb42a5c..0366788 100644
--- a/poky/scripts/lib/recipetool/create_npm.py
+++ b/poky/scripts/lib/recipetool/create_npm.py
@@ -90,7 +90,7 @@
             runenv = dict(os.environ, PATH=d.getVar('PATH'))
             bb.process.run('npm shrinkwrap', cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
         except bb.process.ExecutionError as e:
-            logger.warn('npm shrinkwrap failed:\n%s' % e.stdout)
+            logger.warning('npm shrinkwrap failed:\n%s' % e.stdout)
             return
 
         tmpfile = os.path.join(localfilesdir, 'npm-shrinkwrap.json')
@@ -107,12 +107,12 @@
                            cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
         relockbin = os.path.join(NpmRecipeHandler.lockdownpath, 'node_modules', 'lockdown', 'relock.js')
         if not os.path.exists(relockbin):
-            logger.warn('Could not find relock.js within lockdown directory; skipping lockdown')
+            logger.warning('Could not find relock.js within lockdown directory; skipping lockdown')
             return
         try:
             bb.process.run('node %s' % relockbin, cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
         except bb.process.ExecutionError as e:
-            logger.warn('lockdown-relock failed:\n%s' % e.stdout)
+            logger.warning('lockdown-relock failed:\n%s' % e.stdout)
             return
 
         tmpfile = os.path.join(localfilesdir, 'lockdown.json')
diff --git a/poky/scripts/lib/recipetool/edit.py b/poky/scripts/lib/recipetool/edit.py
new file mode 100644
index 0000000..c4789a9
--- /dev/null
+++ b/poky/scripts/lib/recipetool/edit.py
@@ -0,0 +1,54 @@
+# Recipe creation tool - edit plugin
+#
+# This sub-command edits the recipe and appends for the specified target
+#
+# Example: recipetool edit busybox
+#
+# Copyright (C) 2018 Mentor Graphics Corporation
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import argparse
+import errno
+import logging
+import os
+import re
+import subprocess
+import sys
+import scriptutils
+
+
+logger = logging.getLogger('recipetool')
+tinfoil = None
+
+
+def tinfoil_init(instance):
+    global tinfoil
+    tinfoil = instance
+
+
+def edit(args):
+    import oe.recipeutils
+
+    recipe_path = tinfoil.get_recipe_file(args.target)
+    appends = tinfoil.get_file_appends(recipe_path)
+
+    return scriptutils.run_editor([recipe_path] + appends, logger)
+
+
+def register_commands(subparsers):
+    parser = subparsers.add_parser('edit',
+                                   help='Edit the recipe and appends for the specified target. This obeys $VISUAL if set, otherwise $EDITOR, otherwise vi.')
+    parser.add_argument('target', help='Target recipe/provide to edit')
+    parser.set_defaults(func=edit, parserecipes=True)
diff --git a/poky/scripts/lib/recipetool/newappend.py b/poky/scripts/lib/recipetool/newappend.py
index decce83..76707b4 100644
--- a/poky/scripts/lib/recipetool/newappend.py
+++ b/poky/scripts/lib/recipetool/newappend.py
@@ -58,11 +58,11 @@
         return 1
 
     if not path_ok:
-        logger.warn('Unable to determine correct subdirectory path for bbappend file - check that what %s adds to BBFILES also matches .bbappend files. Using %s for now, but until you fix this the bbappend will not be applied.', os.path.join(args.destlayer, 'conf', 'layer.conf'), os.path.dirname(append_path))
+        logger.warning('Unable to determine correct subdirectory path for bbappend file - check that what %s adds to BBFILES also matches .bbappend files. Using %s for now, but until you fix this the bbappend will not be applied.', os.path.join(args.destlayer, 'conf', 'layer.conf'), os.path.dirname(append_path))
 
     layerdirs = [os.path.abspath(layerdir) for layerdir in rd.getVar('BBLAYERS').split()]
     if not os.path.abspath(args.destlayer) in layerdirs:
-        logger.warn('Specified layer is not currently enabled in bblayers.conf, you will need to add it before this bbappend will be active')
+        logger.warning('Specified layer is not currently enabled in bblayers.conf, you will need to add it before this bbappend will be active')
 
     if not os.path.exists(append_path):
         bb.utils.mkdirhier(os.path.dirname(append_path))