diff --git a/recipes-devtools/python/python-pycrypto/cross-compiling.patch b/recipes-devtools/python/files/cross-compiling.patch
similarity index 100%
rename from recipes-devtools/python/python-pycrypto/cross-compiling.patch
rename to recipes-devtools/python/files/cross-compiling.patch
diff --git a/recipes-devtools/python/python-ecdsa.inc b/recipes-devtools/python/python-ecdsa.inc
new file mode 100644
index 0000000..8b2b5bd
--- /dev/null
+++ b/recipes-devtools/python/python-ecdsa.inc
@@ -0,0 +1,15 @@
+DESCRIPTION = "ECDSA cryptographic signature library"
+HOMEPAGE = "https://github.com/warner/python-ecdsa"
+SECTION = "devel/python"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+DEPENDS = "${PYTHON_PN}-pip ${PYTHON_PN}-pbr"
+
+SRC_URI[md5sum] = "1f60eda9cb5c46722856db41a3ae6670"
+SRC_URI[sha256sum] = "64cf1ee26d1cde3c73c6d7d107f835fed7c6a2904aef9eac223d57ad800c43fa"
+
+inherit pypi
+
+# RDEPENDS_default:
+RDEPENDS_${PN} += "${PYTHON_PN}-pbr"
diff --git a/recipes-devtools/python/python-ecdsa_0.13.bb b/recipes-devtools/python/python-ecdsa_0.13.bb
index 8fe492c..c3578be 100644
--- a/recipes-devtools/python/python-ecdsa_0.13.bb
+++ b/recipes-devtools/python/python-ecdsa_0.13.bb
@@ -1,20 +1,3 @@
-DESCRIPTION = "ECDSA cryptographic signature library"
-HOMEPAGE = "https://github.com/warner/python-ecdsa"
-SECTION = "devel/python"
-LICENSE = "MIT"
-LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+require python-ecdsa.inc
 
-SRC_URI[md5sum] = "1f60eda9cb5c46722856db41a3ae6670"
-SRC_URI[sha256sum] = "64cf1ee26d1cde3c73c6d7d107f835fed7c6a2904aef9eac223d57ad800c43fa"
-
-inherit setuptools pypi
-
-DEPENDS += " \
-        python-pip \
-        python-pbr \
-        "
-
-# RDEPENDS_default:
-RDEPENDS_${PN} += " \
-        python-pbr \
-        "
+inherit setuptools
diff --git a/recipes-devtools/python/python-paramiko.inc b/recipes-devtools/python/python-paramiko.inc
new file mode 100644
index 0000000..4d2f240
--- /dev/null
+++ b/recipes-devtools/python/python-paramiko.inc
@@ -0,0 +1,12 @@
+DESCRIPTION = "SSH2 protocol library"
+HOMEPAGE = "https://github.com/paramiko/paramiko/"
+SECTION = "devel/python"
+LICENSE = "LGPLv2.1"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=fd0120fc2e9f841c73ac707a30389af5"
+
+SRC_URI[md5sum] = "7e1203f5ffeb7d2bc2bffc4feb804216"
+SRC_URI[sha256sum] = "3297ebd3cd072f573772f7c7426939a443c62c458d54bb632ff30fd6ecf96892"
+
+inherit pypi
+
+RDEPENDS_${PN} += "${PYTHON_PN}-pycrypto ${PYTHON_PN}-ecdsa"
diff --git a/recipes-devtools/python/python-paramiko_1.16.0.bb b/recipes-devtools/python/python-paramiko_1.16.0.bb
index 6b76935..11aa6dc 100644
--- a/recipes-devtools/python/python-paramiko_1.16.0.bb
+++ b/recipes-devtools/python/python-paramiko_1.16.0.bb
@@ -1,19 +1,3 @@
-DESCRIPTION = "SSH2 protocol library"
-HOMEPAGE = "https://github.com/paramiko/paramiko/"
-SECTION = "devel/python"
-LICENSE = "LGPLv2.1"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=fd0120fc2e9f841c73ac707a30389af5"
-
-PR = "r0"
-SRCNAME = "paramiko"
-
-SRC_URI = "https://pypi.python.org/packages/source/p/${SRCNAME}/${SRCNAME}-${PV}.tar.gz"
-
-SRC_URI[md5sum] = "7e1203f5ffeb7d2bc2bffc4feb804216"
-SRC_URI[sha256sum] = "3297ebd3cd072f573772f7c7426939a443c62c458d54bb632ff30fd6ecf96892"
-
-S = "${WORKDIR}/${SRCNAME}-${PV}"
+require python-paramiko.inc
 
 inherit setuptools
-
-RDEPENDS_${PN} += "python-pycrypto python-ecdsa"
\ No newline at end of file
diff --git a/recipes-devtools/python/python-pbr.inc b/recipes-devtools/python/python-pbr.inc
new file mode 100644
index 0000000..0030551
--- /dev/null
+++ b/recipes-devtools/python/python-pbr.inc
@@ -0,0 +1,16 @@
+DESCRIPTION = "Python Build Reasonableness: PBR is a library that injects some useful and sensible default behaviors into your setuptools run"
+HOMEPAGE = "https://pypi.python.org/pypi/pbr"
+SECTION = "devel/python"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=1dece7821bf3fd70fe1309eaa37d52a2"
+
+SRC_URI[md5sum] = "4e82c2e07af544c56a5b71c801525b00"
+SRC_URI[sha256sum] = "05f61c71aaefc02d8e37c0a3eeb9815ff526ea28b3b76324769e6158d7f95be1"
+
+inherit pypi
+
+RDEPENDS_${PN}_class-target += " \
+        ${PYTHON_PN}-pip \
+        "
+
+BBCLASSEXTEND = "native"
diff --git a/recipes-devtools/python/python-pbr_3.1.1.bb b/recipes-devtools/python/python-pbr_3.1.1.bb
index bdff867..9752a62 100644
--- a/recipes-devtools/python/python-pbr_3.1.1.bb
+++ b/recipes-devtools/python/python-pbr_3.1.1.bb
@@ -1,16 +1,3 @@
-DESCRIPTION = "Python Build Reasonableness: PBR is a library that injects some useful and sensible default behaviors into your setuptools run"
-HOMEPAGE = "https://pypi.python.org/pypi/pbr"
-SECTION = "devel/python"
-LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=1dece7821bf3fd70fe1309eaa37d52a2"
+require python-pbr.inc
 
-SRC_URI[md5sum] = "4e82c2e07af544c56a5b71c801525b00"
-SRC_URI[sha256sum] = "05f61c71aaefc02d8e37c0a3eeb9815ff526ea28b3b76324769e6158d7f95be1"
-
-inherit pypi setuptools
-
-RDEPENDS_${PN}_class-target += " \
-        python-pip \
-        "
-
-BBCLASSEXTEND = "native"
+inherit setuptools
diff --git a/recipes-devtools/python/python-pycrypto.inc b/recipes-devtools/python/python-pycrypto.inc
new file mode 100644
index 0000000..6dcef47
--- /dev/null
+++ b/recipes-devtools/python/python-pycrypto.inc
@@ -0,0 +1,33 @@
+DESCRIPTION = "Cryptographic modules for Python."
+HOMEPAGE = "http://www.pycrypto.org/"
+SECTION = "devel/python"
+LICENSE = "PSFv2"
+LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=35f354d199e8cb7667b059a23578e63d"
+
+SRCNAME = "pycrypto"
+
+SRC_URI = "https://pypi.python.org/packages/source/p/${SRCNAME}/${SRCNAME}-${PV}.tar.gz \
+           file://cross-compiling.patch"
+
+SRC_URI[md5sum] = "55a61a054aa66812daf5161a0d5d7eda"
+SRC_URI[sha256sum] = "f2ce1e989b272cfcb677616763e0a2e7ec659effa67a88aa92b3a65528f60a3c"
+
+S = "${WORKDIR}/${SRCNAME}-${PV}"
+
+export STAGING_INCDIR
+export STAGING_LIBDIR
+export BUILD_SYS
+export HOST_SYS
+
+inherit autotools autotools-brokensep distutils
+
+DEPENDS += " gmp"
+
+do_compile[noexec] = "1"
+
+# We explicitly call distutils_do_install, since we want it to run, but
+# *don't* want the autotools install to run, since this package doesn't
+# provide a "make install" target.
+do_install() {
+	distutils_do_install
+}
diff --git a/recipes-devtools/python/python-pycrypto_2.6.1.bb b/recipes-devtools/python/python-pycrypto_2.6.1.bb
index b823224..50b5606 100644
--- a/recipes-devtools/python/python-pycrypto_2.6.1.bb
+++ b/recipes-devtools/python/python-pycrypto_2.6.1.bb
@@ -1,35 +1,3 @@
-DESCRIPTION = "Cryptographic modules for Python."
-HOMEPAGE = "http://www.pycrypto.org/"
-SECTION = "devel/python"
-LICENSE = "PSFv2"
-LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=35f354d199e8cb7667b059a23578e63d"
-
-SRCNAME = "pycrypto"
-
-SRC_URI = "https://pypi.python.org/packages/source/p/${SRCNAME}/${SRCNAME}-${PV}.tar.gz \
-           file://cross-compiling.patch"
-
-SRC_URI[md5sum] = "55a61a054aa66812daf5161a0d5d7eda"
-SRC_URI[sha256sum] = "f2ce1e989b272cfcb677616763e0a2e7ec659effa67a88aa92b3a65528f60a3c"
-
-S = "${WORKDIR}/${SRCNAME}-${PV}"
+require python-pycrypto.inc
 
 inherit distutils
-
-export STAGING_INCDIR
-export STAGING_LIBDIR
-export BUILD_SYS
-export HOST_SYS
-
-inherit autotools autotools-brokensep distutils
-
-DEPENDS += " gmp"
-
-do_compile[noexec] = "1"
-
-# We explicitly call distutils_do_install, since we want it to run, but
-# *don't* want the autotools install to run, since this package doesn't
-# provide a "make install" target.
-do_install() {
-	distutils_do_install
-}
diff --git a/recipes-devtools/python/python3-ecdsa_0.13.bb b/recipes-devtools/python/python3-ecdsa_0.13.bb
new file mode 100644
index 0000000..8d2c8a5
--- /dev/null
+++ b/recipes-devtools/python/python3-ecdsa_0.13.bb
@@ -0,0 +1,3 @@
+require python-ecdsa.inc
+
+inherit setuptools3
diff --git a/recipes-devtools/python/python3-paramiko_1.16.0.bb b/recipes-devtools/python/python3-paramiko_1.16.0.bb
new file mode 100644
index 0000000..34a674f
--- /dev/null
+++ b/recipes-devtools/python/python3-paramiko_1.16.0.bb
@@ -0,0 +1,3 @@
+require python-paramiko.inc
+
+inherit setuptools3
diff --git a/recipes-devtools/python/python3-pbr_3.1.1.bb b/recipes-devtools/python/python3-pbr_3.1.1.bb
new file mode 100644
index 0000000..9606c42
--- /dev/null
+++ b/recipes-devtools/python/python3-pbr_3.1.1.bb
@@ -0,0 +1,3 @@
+require python-pbr.inc
+
+inherit setuptools3
diff --git a/recipes-devtools/python/python3-pycrypto_2.6.1.bb b/recipes-devtools/python/python3-pycrypto_2.6.1.bb
new file mode 100644
index 0000000..f1acbda
--- /dev/null
+++ b/recipes-devtools/python/python3-pycrypto_2.6.1.bb
@@ -0,0 +1,3 @@
+include python-pycrypto.inc
+
+inherit distutils3