Drop python 2.7 support from a few ports

With hat:	portmgr

69 files changed, 71 insertions, 72 deletions

diff --git a/databases/buzhug/Makefile b/databases/buzhug/Makefile
index f14bec6bfee4..2fe27feb7436 100644
--- a/databases/buzhug/Makefile
+++ b/databases/buzhug/Makefile
@@ -10,7 +10,7 @@ MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 MAINTAINER=	culot@FreeBSD.org
 COMMENT=	Pure-Python database engine
 
-USES=		python zip
+USES=		python:3.6+ zip
 USE_PYTHON=	distutils autoplist concurrent optsuffix
 
 .include <bsd.port.mk>
diff --git a/databases/pg_activity/Makefile b/databases/pg_activity/Makefile
index 968dec033566..4d07c11ddac5 100644
--- a/databases/pg_activity/Makefile
+++ b/databases/pg_activity/Makefile
@@ -14,7 +14,7 @@ LICENSE=	BSD3CLAUSE
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}psycopg2>=0:databases/py-psycopg2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}psutil>=0:sysutils/py-psutil@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 
 OPTIONS_DEFINE=	DOCS
 
diff --git a/databases/pgsanity/Makefile b/databases/pgsanity/Makefile
index ffa9867029f7..245a8516526e 100644
--- a/databases/pgsanity/Makefile
+++ b/databases/pgsanity/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Check syntax of PostgreSQL SQL files
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		pgsql python
+USES=		pgsql python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 USE_GITHUB=	yes
diff --git a/databases/powa-web/Makefile b/databases/powa-web/Makefile
index 71786e815302..053e3d8800fe 100644
--- a/databases/powa-web/Makefile
+++ b/databases/powa-web/Makefile
@@ -16,7 +16,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}psycopg2>0:databases/py-psycopg2@${PY_FLAVOR
 		${PYTHON_PKGNAMEPREFIX}sqlalchemy10>=1.0:databases/py-sqlalchemy10@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tornado>=2.0:www/py-tornado@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 NO_ARCH=	yes
 
diff --git a/databases/py-Elixir/Makefile b/databases/py-Elixir/Makefile
index 0f1a383e8054..ab02c0908283 100644
--- a/databases/py-Elixir/Makefile
+++ b/databases/py-Elixir/Makefile
@@ -16,7 +16,7 @@ LICENSE=	MIT
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sqlalchemy10>=0.4.0:databases/py-sqlalchemy10@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>
diff --git a/databases/py-PyGreSQL/Makefile b/databases/py-PyGreSQL/Makefile
index c942a467b707..49e3d1e4c66e 100644
--- a/databases/py-PyGreSQL/Makefile
+++ b/databases/py-PyGreSQL/Makefile
@@ -14,7 +14,7 @@ COMMENT=	Python interface to PostgreSQL, both classic and DP-API 2.0
 
 LICENSE=	PSFL
 
-USES=		pgsql python
+USES=		pgsql python:3.6+
 USE_PYTHON=	autoplist distutils
 
 PORTDOCS=	*
diff --git a/databases/py-Pyrseas/Makefile b/databases/py-Pyrseas/Makefile
index 33dd0c51e4d5..85928be92599 100644
--- a/databases/py-Pyrseas/Makefile
+++ b/databases/py-Pyrseas/Makefile
@@ -17,7 +17,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}psycopg2>=2.5:databases/py-psycopg2@${PY_FLA
 		${PYTHON_PKGNAMEPREFIX}yaml>=3.10:devel/py-yaml@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 USE_GITHUB=	yes
diff --git a/databases/py-alembic/Makefile b/databases/py-alembic/Makefile
index 90f689b98b19..35232798539e 100644
--- a/databases/py-alembic/Makefile
+++ b/databases/py-alembic/Makefile
@@ -19,7 +19,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dateutil>=0:devel/py-dateutil@${PY_FLAVOR} \
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tox>0:devel/py-tox@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
diff --git a/databases/py-apsw/Makefile b/databases/py-apsw/Makefile
index 522de682699e..fb56664d3ff1 100644
--- a/databases/py-apsw/Makefile
+++ b/databases/py-apsw/Makefile
@@ -15,7 +15,7 @@ LICENSE=	ZLIB
 
 BUILD_DEPENDS=	sqlite3>=${PORTVERSION:R},1:databases/sqlite3
 
-USES=		localbase python sqlite:3 zip
+USES=		localbase python:3.6+ sqlite:3 zip
 USE_PYTHON=	autoplist concurrent distutils
 
 post-install:
diff --git a/databases/py-bsddb3/Makefile b/databases/py-bsddb3/Makefile
index 217951c1f3f7..1b64d5477405 100644
--- a/databases/py-bsddb3/Makefile
+++ b/databases/py-bsddb3/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Python extension module for BerkeleyDB 4.7, 4.8, 5.1, 5.3, 6.1 and 6.2
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-USES=		bdb python
+USES=		bdb python:3.6+
 USE_PYTHON=	distutils autoplist
 
 PYDISTUTILS_CONFIGUREARGS=--libs="-l${BDB_LIB_NAME}" --berkeley-db=${LOCALBASE}
diff --git a/databases/py-carbon/Makefile b/databases/py-carbon/Makefile
index c73a80ebd04a..223f1fa3d461 100644
--- a/databases/py-carbon/Makefile
+++ b/databases/py-carbon/Makefile
@@ -20,7 +20,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cachetools3>=1.1.0:devel/py-cachetools3@${PY
 		${PYTHON_PKGNAMEPREFIX}urllib3>=0:net/py-urllib3@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}whisper>=0.9.10:databases/py-whisper@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils py3kplist
 USE_RC_SUBR=	carbon
 USE_GITHUB=	yes
diff --git a/databases/py-cassandra-driver/Makefile b/databases/py-cassandra-driver/Makefile
index 93ad94863b6a..9f0b9eb07c21 100644
--- a/databases/py-cassandra-driver/Makefile
+++ b/databases/py-cassandra-driver/Makefile
@@ -20,7 +20,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}nose>=0:devel/py-nose@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytz>0:devel/py-pytz@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sure>0:devel/py-sure@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist cython distutils
 
 OPTIONS_DEFINE=	LIBEV MURMUR3
diff --git a/databases/py-couchdb/Makefile b/databases/py-couchdb/Makefile
index 016034f4286e..7738275aa396 100644
--- a/databases/py-couchdb/Makefile
+++ b/databases/py-couchdb/Makefile
@@ -16,7 +16,7 @@ LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=    ${PYTHON_PKGNAMEPREFIX}simplejson>=0:devel/py-simplejson@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist concurrent pythonprefix
 
 .include <bsd.port.mk>
diff --git a/databases/py-dbf/Makefile b/databases/py-dbf/Makefile
index 55866a491497..ae031a5fa8db 100644
--- a/databases/py-dbf/Makefile
+++ b/databases/py-dbf/Makefile
@@ -12,7 +12,7 @@ COMMENT=	Pure python package for reading/writing dbf files
 
 LICENSE=	BSD3CLAUSE
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 NO_ARCH=	yes
 
diff --git a/databases/py-dbutils/Makefile b/databases/py-dbutils/Makefile
index 250eb0db6cfa..c3f350e39e5b 100644
--- a/databases/py-dbutils/Makefile
+++ b/databases/py-dbutils/Makefile
@@ -14,7 +14,7 @@ COMMENT=	Providing solid, persistent, and pooled connections to a database
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-fdb/Makefile b/databases/py-fdb/Makefile
index d7aab2800f62..7b320e9df26e 100644
--- a/databases/py-fdb/Makefile
+++ b/databases/py-fdb/Makefile
@@ -15,7 +15,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE.TXT
 
 py27_BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}future>0:devel/py-future@${PY_FLAVOR}
 
-USES=		firebird python
+USES=		firebird python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-firebirdsql/Makefile b/databases/py-firebirdsql/Makefile
index a8cc0f80ba16..42a077241d16 100644
--- a/databases/py-firebirdsql/Makefile
+++ b/databases/py-firebirdsql/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Python DBAPI module for FirebirdSQL
 LICENSE=	BSD2CLAUSE
 
 NO_ARCH=	yes
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>
diff --git a/databases/py-flask-sqlalchemy/Makefile b/databases/py-flask-sqlalchemy/Makefile
index daf33e196409..0cfe9b595502 100644
--- a/databases/py-flask-sqlalchemy/Makefile
+++ b/databases/py-flask-sqlalchemy/Makefile
@@ -18,7 +18,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}Flask>=0.10:www/py-flask@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sqlalchemy12>=0.8:databases/py-sqlalchemy12@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-gdbm/Makefile b/databases/py-gdbm/Makefile
index 159769c83a4c..9d27de5ec02d 100644
--- a/databases/py-gdbm/Makefile
+++ b/databases/py-gdbm/Makefile
@@ -18,7 +18,7 @@ LIB_DEPENDS=	libgdbm.so:databases/gdbm
 
 PORTSCOUT=	ignore:1
 
-USES=		compiler:c11 python tar:xz
+USES=		compiler:c11 python:3.6+ tar:xz
 USE_PYTHON=	distutils autoplist allflavors
 
 PYDISTUTILS_INSTALLARGS+=	--install-lib ${PYTHONPREFIX_LIBDIR}/lib-dynload
diff --git a/databases/py-geoalchemy2/Makefile b/databases/py-geoalchemy2/Makefile
index 6cb35b2dfdb6..959821209c82 100644
--- a/databases/py-geoalchemy2/Makefile
+++ b/databases/py-geoalchemy2/Makefile
@@ -17,7 +17,7 @@ BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>=0:devel/py-setuptools_scm@
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}Shapely>=1.3.0:devel/py-shapely@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sqlalchemy12>=0.8:databases/py-sqlalchemy12@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-hiredis/Makefile b/databases/py-hiredis/Makefile
index fdd0f8c931d2..46cee54b65cc 100644
--- a/databases/py-hiredis/Makefile
+++ b/databases/py-hiredis/Makefile
@@ -14,7 +14,7 @@ LICENSE=	BSD3CLAUSE
 
 LIB_DEPENDS=	libhiredis.so:databases/hiredis
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 post-patch:
diff --git a/databases/py-influxdb/Makefile b/databases/py-influxdb/Makefile
index adcbad6fcee7..de8d360f560c 100644
--- a/databases/py-influxdb/Makefile
+++ b/databases/py-influxdb/Makefile
@@ -18,7 +18,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dateutil>0:devel/py-dateutil@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>0:www/py-requests@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>0:devel/py-six@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils concurrent autoplist
 NO_ARCH=	yes
 
diff --git a/databases/py-leveldb/Makefile b/databases/py-leveldb/Makefile
index 3ae4c9092410..d09713adc0c7 100644
--- a/databases/py-leveldb/Makefile
+++ b/databases/py-leveldb/Makefile
@@ -15,7 +15,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libleveldb.so:databases/leveldb
 
-USES=		compiler:c11 localbase python
+USES=		compiler:c11 localbase python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 post-patch:
diff --git a/databases/py-lmdb/Makefile b/databases/py-lmdb/Makefile
index 245e3031b853..cfe00adf9894 100644
--- a/databases/py-lmdb/Makefile
+++ b/databases/py-lmdb/Makefile
@@ -19,7 +19,7 @@ BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>0.8:devel/py-cffi@${PY_FLAVOR}
 LIB_DEPENDS=	liblmdb.so:databases/lmdb
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
 
-USES=		localbase python
+USES=		localbase python:3.6+
 USE_PYTHON=	autoplist distutils
 
 MAKE_ENV=	LMDB_FORCE_SYSTEM=1 \
diff --git a/databases/py-motor/Makefile b/databases/py-motor/Makefile
index 886d78632449..571f92c548f3 100644
--- a/databases/py-motor/Makefile
+++ b/databases/py-motor/Makefile
@@ -14,7 +14,7 @@ LICENSE=	APACHE20
 
 RUN_DEPENDS=    ${PYTHON_PKGNAMEPREFIX}pymongo>=3.3:databases/pymongo@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>
diff --git a/databases/py-mysql-connector-python/Makefile b/databases/py-mysql-connector-python/Makefile
index 517ca57abead..bfd0716ae13a 100644
--- a/databases/py-mysql-connector-python/Makefile
+++ b/databases/py-mysql-connector-python/Makefile
@@ -14,7 +14,7 @@ LICENSE=	GPLv2
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dnspython>0:dns/py-dnspython@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}protobuf>=3.7.1:devel/py-protobuf@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-peewee/Makefile b/databases/py-peewee/Makefile
index 4d6d94435ce4..217b4e00afe0 100644
--- a/databases/py-peewee/Makefile
+++ b/databases/py-peewee/Makefile
@@ -17,7 +17,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 OPTIONS_DEFINE=		SQLITE MYSQL PGSQL
 OPTIONS_DEFAULT=	SQLITE
 
-USES=			localbase python sqlite
+USES=			localbase python:3.6+ sqlite
 USE_PYTHON=		distutils cython autoplist concurrent
 
 SQLITE_BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR}
diff --git a/databases/py-peewee_migrate/Makefile b/databases/py-peewee_migrate/Makefile
index 680919c97ca7..b3212e99267b 100644
--- a/databases/py-peewee_migrate/Makefile
+++ b/databases/py-peewee_migrate/Makefile
@@ -19,7 +19,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cached-property>=0:devel/py-cached-property@
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}psycopg2>=0:databases/py-psycopg2@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_GITHUB=	yes # tests not shipped with sdist
 USE_PYTHON=	autoplist concurrent distutils
 
diff --git a/databases/py-pg8000-112/Makefile b/databases/py-pg8000-112/Makefile
index cff386f39438..95910335e2ea 100644
--- a/databases/py-pg8000-112/Makefile
+++ b/databases/py-pg8000-112/Makefile
@@ -15,7 +15,7 @@ LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-pgdbconn/Makefile b/databases/py-pgdbconn/Makefile
index bbdf6db1f52b..265768b98b00 100644
--- a/databases/py-pgdbconn/Makefile
+++ b/databases/py-pgdbconn/Makefile
@@ -15,7 +15,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}psycopg2>=2.5:databases/py-psycopg2@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>
diff --git a/databases/py-pglite/Makefile b/databases/py-pglite/Makefile
index 16f053b4f2eb..0de125fbe17e 100644
--- a/databases/py-pglite/Makefile
+++ b/databases/py-pglite/Makefile
@@ -11,7 +11,7 @@ COMMENT=	Light PostgreSQL: use PostgreSQL as a simple SQLite database
 
 LICENSE=	LGPL20+
 
-USES=		python pgsql
+USES=		python:3.6+ pgsql
 USE_PYTHON=	autoplist distutils
 NO_ARCH=	yes
 WANT_PGSQL=	server
diff --git a/databases/py-pgxnclient/Makefile b/databases/py-pgxnclient/Makefile
index c4bd3abd533c..503ac016e305 100644
--- a/databases/py-pgxnclient/Makefile
+++ b/databases/py-pgxnclient/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Command line tool to interact with the PostgreSQL Extension Network
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-USES=		python shebangfix
+USES=		python:3.6+ shebangfix
 SHEBANG_FILES=	pgxnclient/libexec/pgxn-*
 USE_PYTHON=	distutils autoplist concurrent optsuffix
 NO_ARCH=	yes
diff --git a/databases/py-pickledb/Makefile b/databases/py-pickledb/Makefile
index b47836c6384e..0a2e695c793a 100644
--- a/databases/py-pickledb/Makefile
+++ b/databases/py-pickledb/Makefile
@@ -14,7 +14,7 @@ LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}simplejson>=0:devel/py-simplejson@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 NO_ARCH=	yes
 
diff --git a/databases/py-pickleshare/Makefile b/databases/py-pickleshare/Makefile
index a94ef45b3729..41bfcb2d5a2b 100644
--- a/databases/py-pickleshare/Makefile
+++ b/databases/py-pickleshare/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Tiny shelve-like database with concurrency support
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 NO_ARCH=	yes
 
diff --git a/databases/py-psycogreen/Makefile b/databases/py-psycogreen/Makefile
index abc243969d62..741ede95018b 100644
--- a/databases/py-psycogreen/Makefile
+++ b/databases/py-psycogreen/Makefile
@@ -9,7 +9,7 @@ PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 MAINTAINER=	loic.blot@unix-experience.fr
 COMMENT=	Python library to enable psycopg2 to work with coroutine libraries
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>
diff --git a/databases/py-psycopg2/Makefile b/databases/py-psycopg2/Makefile
index 0759322c7ae0..702ecba8cf16 100644
--- a/databases/py-psycopg2/Makefile
+++ b/databases/py-psycopg2/Makefile
@@ -13,7 +13,7 @@ COMMENT=	High performance Python adapter for PostgreSQL
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/doc/COPYING.LESSER
 
-USES=		pgsql python
+USES=		pgsql python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 post-install:
diff --git a/databases/py-psycopg2cffi/Makefile b/databases/py-psycopg2cffi/Makefile
index 57a1dcd7fdf0..e24c6e10e228 100644
--- a/databases/py-psycopg2cffi/Makefile
+++ b/databases/py-psycopg2cffi/Makefile
@@ -16,7 +16,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>0:devel/py-cffi@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>0:devel/py-cffi@${PY_FLAVOR}
 
-USES=		pgsql python
+USES=		pgsql python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 post-install:
diff --git a/databases/py-pylibmc/Makefile b/databases/py-pylibmc/Makefile
index 868ecc5a22e9..06bb6ca0f117 100644
--- a/databases/py-pylibmc/Makefile
+++ b/databases/py-pylibmc/Makefile
@@ -17,7 +17,7 @@ LIB_DEPENDS=	libmemcached.so:databases/libmemcached
 TEST_DEPENDS=	memcached:databases/memcached \
 		${PYTHON_PKGNAMEPREFIX}nose>0:devel/py-nose@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 MAKE_ENV+=	LIBMEMCACHED="${LOCALBASE}"
diff --git a/databases/py-pymemcache/Makefile b/databases/py-pymemcache/Makefile
index a9048fba58c5..55c1508a3329 100644
--- a/databases/py-pymemcache/Makefile
+++ b/databases/py-pymemcache/Makefile
@@ -15,7 +15,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>0:devel/py-six@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-pymssql/Makefile b/databases/py-pymssql/Makefile
index 168c6005a47d..1dd772c020c9 100644
--- a/databases/py-pymssql/Makefile
+++ b/databases/py-pymssql/Makefile
@@ -15,7 +15,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools-git>0:devel/py-setuptools-git@${PY_FLAVOR}
 LIB_DEPENDS=	libsybdb.so:databases/freetds
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils cython
 
 post-extract:
diff --git a/databases/py-pymysql/Makefile b/databases/py-pymysql/Makefile
index b093423631e6..b2f21d219d4f 100644
--- a/databases/py-pymysql/Makefile
+++ b/databases/py-pymysql/Makefile
@@ -14,7 +14,7 @@ LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 NO_ARCH=	yes
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>
diff --git a/databases/py-pyodbc/Makefile b/databases/py-pyodbc/Makefile
index 5ca31942a393..e053680ac875 100644
--- a/databases/py-pyodbc/Makefile
+++ b/databases/py-pyodbc/Makefile
@@ -16,7 +16,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 LIB_DEPENDS=	libodbc.so:databases/unixODBC
 BUILD_DEPENDS=	unixODBC>=2.2.14:databases/unixODBC
 
-USES=		localbase python
+USES=		localbase python:3.6+
 USE_PYTHON=	autoplist distutils
 
 post-install:
diff --git a/databases/py-pypuppetdb/Makefile b/databases/py-pypuppetdb/Makefile
index 6ab9e9793fdb..ae40a00625e3 100644
--- a/databases/py-pypuppetdb/Makefile
+++ b/databases/py-pypuppetdb/Makefile
@@ -12,7 +12,7 @@ COMMENT=	Library to work with PuppetDB's REST API
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		python
+USES=		python:3.6+
 USE_GITHUB=	yes
 USE_PYTHON=	autoplist distutils
 
diff --git a/databases/py-python-arango/Makefile b/databases/py-python-arango/Makefile
index 7b07e9356635..81f2071758fc 100644
--- a/databases/py-python-arango/Makefile
+++ b/databases/py-python-arango/Makefile
@@ -17,7 +17,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pyjwt>0:www/py-pyjwt@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests-toolbelt>0:www/py-requests-toolbelt@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>0:devel/py-six@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 NO_ARCH=	yes
 
diff --git a/databases/py-python-binary-memcached/Makefile b/databases/py-python-binary-memcached/Makefile
index d79819790168..57a6d48eee6b 100644
--- a/databases/py-python-binary-memcached/Makefile
+++ b/databases/py-python-binary-memcached/Makefile
@@ -16,7 +16,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}uhashring>=0:security/py-uhashring@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-python-memcached/Makefile b/databases/py-python-memcached/Makefile
index 0f3400ec6deb..d35962186797 100644
--- a/databases/py-python-memcached/Makefile
+++ b/databases/py-python-memcached/Makefile
@@ -16,6 +16,6 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=1.4.0:devel/py-six@${PY_FLAVOR}
 
 NO_ARCH=	yes
 USE_PYTHON=	autoplist concurrent distutils
-USES=		python
+USES=		python:3.6+
 
 .include <bsd.port.mk>
diff --git a/databases/py-python-sql/Makefile b/databases/py-python-sql/Makefile
index 6a727a956a23..691f83a57ce5 100644
--- a/databases/py-python-sql/Makefile
+++ b/databases/py-python-sql/Makefile
@@ -11,7 +11,7 @@ COMMENT=	Library to write SQL queries
 
 LICENSE=	BSD3CLAUSE
 
-USES=		pkgconfig python
+USES=		pkgconfig python:3.6+
 USE_PYTHON=	autoplist distutils
 NO_ARCH=	yes
 
diff --git a/databases/py-python-swiftclient/Makefile b/databases/py-python-swiftclient/Makefile
index 096be91cb88e..1dab7f89cdc8 100644
--- a/databases/py-python-swiftclient/Makefile
+++ b/databases/py-python-swiftclient/Makefile
@@ -20,7 +20,7 @@ RUN_DEPENDS+=	${PY_FUTURES} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.9.0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>=1.1:www/py-requests@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 NO_ARCH=	yes
 
diff --git a/databases/py-queries/Makefile b/databases/py-queries/Makefile
index 8f8c57156423..d4e623ec53ac 100644
--- a/databases/py-queries/Makefile
+++ b/databases/py-queries/Makefile
@@ -15,7 +15,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}psycopg2>=2.5.1<2.9:databases/py-psycopg2@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-rb/Makefile b/databases/py-rb/Makefile
index dc85afc10019..9fa2f2a02258 100644
--- a/databases/py-rb/Makefile
+++ b/databases/py-rb/Makefile
@@ -14,7 +14,7 @@ LICENSE=	APACHE20
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}redis2>=2.6<3.4:databases/py-redis2@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-redis/Makefile b/databases/py-redis/Makefile
index b5cbc1704c1f..50df78f3a886 100644
--- a/databases/py-redis/Makefile
+++ b/databases/py-redis/Makefile
@@ -17,7 +17,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=2.7.0:devel/py-pytest@${PY_FLAVOR} \
 		redis-server:databases/redis
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist concurrent
 
 OPTIONS_DEFINE=	HIREDIS
diff --git a/databases/py-redis2/Makefile b/databases/py-redis2/Makefile
index eb07e32929f7..f0194f527b2d 100644
--- a/databases/py-redis2/Makefile
+++ b/databases/py-redis2/Makefile
@@ -22,7 +22,7 @@ HIREDIS_DESC=	High performance response parser (via hiredis)
 
 HIREDIS_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hiredis>0:databases/py-hiredis@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist concurrent
 
 USE_GITHUB=	yes
diff --git a/databases/py-sispy/Makefile b/databases/py-sispy/Makefile
index ac4d9e235d23..a5cb1dcfd416 100644
--- a/databases/py-sispy/Makefile
+++ b/databases/py-sispy/Makefile
@@ -14,7 +14,7 @@ LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}requests>0:www/py-requests@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 NO_ARCH=	yes
 
diff --git a/databases/py-south/Makefile b/databases/py-south/Makefile
index 4d26bf840de9..d4240341742f 100644
--- a/databases/py-south/Makefile
+++ b/databases/py-south/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Intelligent schema migrations for Django apps
 
 LICENSE=	APACHE20
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>
diff --git a/databases/py-sqlalchemy-json/Makefile b/databases/py-sqlalchemy-json/Makefile
index 1523abf621dc..8a1fdb6b81bc 100644
--- a/databases/py-sqlalchemy-json/Makefile
+++ b/databases/py-sqlalchemy-json/Makefile
@@ -15,7 +15,7 @@ LICENSE=	BSD2CLAUSE
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sqlalchemy13>=0.7:databases/py-sqlalchemy13@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-sqlalchemy10/Makefile b/databases/py-sqlalchemy10/Makefile
index 98189fc72eed..59c7829ae0af 100644
--- a/databases/py-sqlalchemy10/Makefile
+++ b/databases/py-sqlalchemy10/Makefile
@@ -17,7 +17,7 @@ LICENSE=	MIT
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mock>0:devel/py-mock@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 PY2TO3_CMD=	${LOCALBASE}/bin/2to3-${PYTHON_VER}
diff --git a/databases/py-sqlalchemy11/Makefile b/databases/py-sqlalchemy11/Makefile
index 31eb28a8e113..3a4f987bb93f 100644
--- a/databases/py-sqlalchemy11/Makefile
+++ b/databases/py-sqlalchemy11/Makefile
@@ -18,7 +18,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=2.5.2:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-xdist>=0:devel/py-pytest-xdist@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 PORTDOCS=	*
diff --git a/databases/py-sqlalchemy12/Makefile b/databases/py-sqlalchemy12/Makefile
index 2678e60b758e..3df93beb4f37 100644
--- a/databases/py-sqlalchemy12/Makefile
+++ b/databases/py-sqlalchemy12/Makefile
@@ -18,7 +18,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=2.5.2:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-xdist>=0:devel/py-pytest-xdist@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 PORTDOCS=	*
diff --git a/databases/py-sqlalchemy13/Makefile b/databases/py-sqlalchemy13/Makefile
index 2d81a8367fc7..baae1aaf9a2d 100644
--- a/databases/py-sqlalchemy13/Makefile
+++ b/databases/py-sqlalchemy13/Makefile
@@ -18,7 +18,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=2.5.2:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-xdist>=0:devel/py-pytest-xdist@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 PORTDOCS=	*
diff --git a/databases/py-sqlalchemy14/Makefile b/databases/py-sqlalchemy14/Makefile
index 3c8ad949bd38..0039274b6804 100644
--- a/databases/py-sqlalchemy14/Makefile
+++ b/databases/py-sqlalchemy14/Makefile
@@ -18,7 +18,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=2.5.2:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-xdist>=0:devel/py-pytest-xdist@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 PORTDOCS=	*
diff --git a/databases/py-sqlobject/Makefile b/databases/py-sqlobject/Makefile
index 701cd5895170..74260842bb76 100644
--- a/databases/py-sqlobject/Makefile
+++ b/databases/py-sqlobject/Makefile
@@ -3,6 +3,7 @@
 
 PORTNAME=	sqlobject
 PORTVERSION=	1.6.0
+PORTREVISION=	1
 CATEGORIES=	databases python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -17,16 +18,14 @@ BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}formencode>=1.2.2:www/py-formencode@${PY_F
 RUN_DEPENDS:=	${BUILD_DEPENDS}
 
 NO_ARCH=	yes
-USES=		python${PY_MYSQL}
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 # currently MaxDB(SAP), ADODB are not supported
-OPTIONS_DEFINE=	DOCS MYSQL PGSQL SQLITE MSSQL
+OPTIONS_DEFINE=	DOCS PGSQL SQLITE MSSQL
 
 PORTDOCS=	*
 
-MYSQL_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}MySQLdb>=0:databases/py-MySQLdb@${PY_FLAVOR}
-MYSQL_VARS=	PY_MYSQL=:2.7
 PGSQL_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}psycopg2>=0:databases/py-psycopg2@${PY_FLAVOR}
 SQLITE_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sqlite3>=0:databases/py-sqlite3@${PY_FLAVOR}
 MSSQL_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pymssql>=0:databases/py-pymssql@${PY_FLAVOR}
diff --git a/databases/py-tarantool/Makefile b/databases/py-tarantool/Makefile
index 90526e415846..d33a8eb84247 100644
--- a/databases/py-tarantool/Makefile
+++ b/databases/py-tarantool/Makefile
@@ -14,7 +14,7 @@ LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}msgpack>=0.4:devel/py-msgpack@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/databases/py-txredisapi/Makefile b/databases/py-txredisapi/Makefile
index 8a913e412fd4..43eedf3c70fd 100644
--- a/databases/py-txredisapi/Makefile
+++ b/databases/py-txredisapi/Makefile
@@ -17,7 +17,7 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}twisted>=0:devel/py-twisted@${PY_FLAVOR} \
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=2.0:devel/py-mock@${PY_FLAVOR} \
 		redis-server:databases/redis
 
-USES=		python
+USES=		python:3.6+
 USE_GITHUB=	yes
 USE_PYTHON=	autoplist distutils
 
diff --git a/databases/py-unqlite/Makefile b/databases/py-unqlite/Makefile
index dcffb65383b2..e941993b2c37 100644
--- a/databases/py-unqlite/Makefile
+++ b/databases/py-unqlite/Makefile
@@ -11,7 +11,7 @@ COMMENT=	Fast Python bindings for the UnQLite embedded NoSQL database
 
 LICENSE=	MIT
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist cython
 
 .include <bsd.port.mk>
diff --git a/databases/py-varstack/Makefile b/databases/py-varstack/Makefile
index 340823a97dfd..6f7b6ff4c1e5 100644
--- a/databases/py-varstack/Makefile
+++ b/databases/py-varstack/Makefile
@@ -11,7 +11,7 @@ COMMENT=	Create stacked configuration structures
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 USE_GITHUB=	yes
 GH_ACCOUNT=	conversis
diff --git a/databases/py-whisper/Makefile b/databases/py-whisper/Makefile
index 8898b1b439af..3fb80cf65d28 100644
--- a/databases/py-whisper/Makefile
+++ b/databases/py-whisper/Makefile
@@ -16,7 +16,7 @@ LICENSE=	APACHE20
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR}
 
 NO_ARCH=	yes
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 .include <bsd.port.mk>
diff --git a/databases/py-xapian/Makefile b/databases/py-xapian/Makefile
index ac194c747c7c..26a80b48593a 100644
--- a/databases/py-xapian/Makefile
+++ b/databases/py-xapian/Makefile
@@ -18,7 +18,7 @@ LICENSE_FILE=	${WRKSRC}/COPYING
 BUILD_DEPENDS=	xapian-core>=${PORTVERSION}:databases/xapian-core
 LIB_DEPENDS=	libxapian.so:databases/xapian-core
 
-USES=		compiler:c++11-lang libtool python tar:xz
+USES=		compiler:c++11-lang libtool python:3.6+ tar:xz
 
 CONFIGURE_ARGS=	--datarootdir=${DATADIR} \
 		--docdir=${DOCSDIR} \
diff --git a/databases/py-zodbpickle/Makefile b/databases/py-zodbpickle/Makefile
index 1c3a3c45b57c..9b332a716ed0 100644
--- a/databases/py-zodbpickle/Makefile
+++ b/databases/py-zodbpickle/Makefile
@@ -13,7 +13,7 @@ COMMENT=	Python pickling interface for ZODB
 LICENSE=	PSFL ZPL21
 LICENSE_COMB=	multi
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 .include <bsd.port.mk>
diff --git a/databases/pymongo/Makefile b/databases/pymongo/Makefile
index d55148326e80..9e0cf49bddaa 100644
--- a/databases/pymongo/Makefile
+++ b/databases/pymongo/Makefile
@@ -12,7 +12,7 @@ COMMENT=	Python driver for MongoDB
 
 LICENSE=	APACHE20
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 CONFLICTS_INSTALL=	py[0-9][0-9]-pymongo28