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Drop support for and remove references to EOL Python 3.6 (#11683)

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* remove reference in comments to python3.6

* upgrade tox python env in script

* bump python version in example for completeness

* upgrade python version requirement in setup doc

* upgrade necessary python version in __init__.py

* upgrade python version in setup.py

* newsfragment

* drops refs to bionic and replace with focal

* bump refs to postgres 9.6 to 10

* fix hanging ci

* try installing tzdata first

* revert change made in b979f336

* ignore new random mypy error while debugging other error

* fix lint error for temporary workaround

* revert change to install list

* try passing env var

* export debian frontend var?

* move line and add comment

* bump pillow dependency

* bump lxml depenency

* install libjpeg-dev for pillow

* bump automat version to one compatible with py3.8

* add libwebp for pillow

* bump twisted trunk python version

* change suffix of newsfragment

* remove redundant python 3.7 checks

* lint
This commit is contained in:
Shay 2022-01-21 14:23:26 -08:00 • committed by GitHub
parent f8cf02b200
commit 9006ee36d1
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13 changed files with 25 additions and 28 deletions
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4
synapse/__init__.py
View file

@ -21,8 +21,8 @@ import os
import sys
# Check that we're not running on an unsupported Python version.
if sys.version_info < (3, 6):
print("Synapse requires Python 3.6 or above.")
if sys.version_info < (3, 7):
print("Synapse requires Python 3.7 or above.")
sys.exit(1)
# Twisted and canonicaljson will fail to import when this file is executed to

11
synapse/app/_base.py
View file

@ -16,7 +16,6 @@ import atexit
import gc
import logging
import os
import platform
import signal
import socket
import sys
@ -468,16 +467,12 @@ async def start(hs: "HomeServer") -> None:
# everything currently allocated are things that will be used for the
# rest of time. Doing so means less work each GC (hopefully).
#
# This only works on Python 3.7
if platform.python_implementation() == "CPython" and sys.version_info >= (3, 7):
gc.collect()
gc.freeze()
gc.collect()
gc.freeze()
# Speed up shutdowns by freezing all allocated objects. This moves everything
# into the permanent generation and excludes them from the final GC.
# Unfortunately only works on Python 3.7
if platform.python_implementation() == "CPython" and sys.version_info >= (3, 7):
atexit.register(gc.freeze)
atexit.register(gc.freeze)
def setup_sentry(hs: "HomeServer") -> None:

4
synapse/python_dependencies.py
View file

@ -70,7 +70,7 @@ REQUIREMENTS = [
"pyasn1>=0.1.9",
"pyasn1-modules>=0.0.7",
"bcrypt>=3.1.0",
"pillow>=4.3.0",
"pillow>=5.4.0",
"sortedcontainers>=1.4.4",
"pymacaroons>=0.13.0",
"msgpack>=0.5.2",
@ -107,7 +107,7 @@ CONDITIONAL_REQUIREMENTS = {
# `systemd.journal.JournalHandler`, as is documented in
# `contrib/systemd/log_config.yaml`.
"systemd": ["systemd-python>=231"],
"url_preview": ["lxml>=3.5.0"],
"url_preview": ["lxml>=4.2.0"],
"sentry": ["sentry-sdk>=0.7.2"],
"opentracing": ["jaeger-client>=4.0.0", "opentracing>=2.2.0"],
"jwt": ["pyjwt>=1.6.4"],

4
synapse/storage/engines/postgres.py
View file

@ -46,8 +46,8 @@ class PostgresEngine(BaseDatabaseEngine):
self._version = db_conn.server_version
# Are we on a supported PostgreSQL version?
if not allow_outdated_version and self._version < 90600:
raise RuntimeError("Synapse requires PostgreSQL 9.6 or above.")
if not allow_outdated_version and self._version < 100000:
raise RuntimeError("Synapse requires PostgreSQL 10 or above.")
with db_conn.cursor() as txn:
txn.execute("SHOW SERVER_ENCODING")