diff --git a/l/zope.deferredimport/slack-desc b/l/zope.deferredimport/slack-desc
new file mode 100644
index 00000000..776432d2
--- /dev/null
+++ b/l/zope.deferredimport/slack-desc
@@ -0,0 +1,12 @@
+                   |-----handy-ruler-----------------------------------------------------|
+zope.deferredimport: zope.deferredimport (deferred import for Python modules)
+zope.deferredimport: 
+zope.deferredimport: Often, especially for package modules, you want to import names for
+zope.deferredimport: convenience, but not actually perform the imports until necessary.
+zope.deferredimport: The zope.deferredimport package provides facilities for defining
+zope.deferredimport: names in modules that will be imported from somewhere else when
+zope.deferredimport: used.
+zope.deferredimport: 
+zope.deferredimport: 
+zope.deferredimport: 
+zope.deferredimport: 
diff --git a/l/zope.deferredimport/zope.deferredimport-4.3.1.tar.gz.sha256 b/l/zope.deferredimport/zope.deferredimport-4.3.1.tar.gz.sha256
new file mode 100644
index 00000000..894170e6
--- /dev/null
+++ b/l/zope.deferredimport/zope.deferredimport-4.3.1.tar.gz.sha256
@@ -0,0 +1 @@
+57b2345e7b5eef47efcd4f634ff16c93e4265de3dcf325afc7315ade48d909e1  zope.deferredimport-4.3.1.tar.gz
diff --git a/l/zope.deferredimport/zope.deferredimport.SlackBuild b/l/zope.deferredimport/zope.deferredimport.SlackBuild
new file mode 100755
index 00000000..234612d9
--- /dev/null
+++ b/l/zope.deferredimport/zope.deferredimport.SlackBuild
@@ -0,0 +1,98 @@
+#!/bin/bash
+# Build script for Slackware
+# Copyright (C) 2019 Damien Goutte-Gattat
+#
+# Redistribution and use of this script, with or without modifications,
+# is permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# Contact: Damien Goutte-Gattat <dgouttegattat@incenp.org>
+#
+# Latest zope.deferredimport sourcecode is available at:
+# <http://github.com/zopefoundation/zope.deferredimport>.
+
+# Source package infos
+NAMESRC=${NAMESRC:-zope.deferredimport}
+VERSION=${VERSION:-4.3.1}
+ARCHIVE=${ARCHIVE:-$NAMESRC-$VERSION.tar.gz}
+WGET=${WGET:-https://files.pythonhosted.org/packages/b9/74/6eb2dcf013fac35d086abef2435b5a6621435c2b0c166ef5b63a1b51e91d/$ARCHIVE}
+
+# Build infos
+NAMEPKG=${NAMEPKG:-zope.deferredimport}
+BUILD=${BUILD:-1GGD}
+ARCH=${ARCH:-$(uname -m | sed 's/^i.86$/i486/;s/^arm.*/arm/')}
+JOBS=${JOBS:-1}
+EXT=${EXT:-txz}
+
+# Directories
+TMP=${TMP:-/tmp}
+OUT=${OUT:-$TMP/build}
+PKG=${PKG:-$OUT/$NAMEPKG}
+CWD=$(pwd)
+
+set -e  # Quit if a command returns non-zero
+
+# Sanity checks
+if [ $UID -eq 0 ]; then
+    echo "You should NOT run this script as ROOT!"
+    exit 1
+fi
+if [ ! -d $TMP ]; then
+    echo "$TMP does not exists or is not a directory!"
+    exit 1
+fi
+
+# Get and verify the source archive
+if [ ! -r $ARCHIVE ]; then
+    wget -c -O $ARCHIVE.part "$WGET"
+    mv $ARCHIVE.part $ARCHIVE
+fi
+sha256sum -c $ARCHIVE.sha256
+NAME=$(tar ft $ARCHIVE | head -n 1 | cut -d / -f 1)
+
+# Compile
+cd $TMP
+echo "Building $ARCHIVE..."
+tar xf $CWD/$ARCHIVE
+cd $NAME
+python2 setup.py build
+python2 setup.py install --root=$PKG
+python3 setup.py build
+python3 setup.py install --root=$PKG
+
+# Install the documentation
+mkdir -p $PKG/usr/doc/$NAME
+install -m 644 CHANGES.rst COPYRIGHT.txt LICENSE.txt README.rst \
+  $PKG/usr/doc/$NAME
+
+# Copy slack-desc file
+install -D -m 644 $CWD/slack-desc $PKG/install/slack-desc
+
+# Package the tree
+cd $PKG
+mkdir -p $OUT
+PACKAGING="
+chown root:root . -R
+/sbin/makepkg -l y -c n $OUT/$NAMEPKG-$VERSION-$ARCH-$BUILD.$EXT
+rm -rf $PKG
+rm -rf $TMP/$NAME
+"
+if type -p fakeroot ; then
+    echo "$PACKAGING" | fakeroot
+else
+    su -c "$PACKAGING"
+fi