Remove Python 2.7 support. (#5425)

anoadragon453 · anoadragon453 · commit 8ea4191636ea · 2020-02-10T14:41:41.000Z
diff --git a/.buildkite/docker-compose.py27.pg94.yaml b/.buildkite/docker-compose.py27.pg94.yaml
diff --git a/.buildkite/docker-compose.py27.pg95.yaml b/.buildkite/docker-compose.py27.pg95.yaml
diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
@@ -48,13 +48,13 @@ steps:
 
   - command:
       - "python -m pip install tox"
-      - "tox -e py27,codecov"
-    label: ":python: 2.7 / SQLite"
+      - "tox -e py35-old,codecov"
+    label: ":python: 3.5 / SQLite / Old Deps"
     env:
       TRIAL_FLAGS: "-j 2"
     plugins:
       - docker#v3.0.1:
-          image: "python:2.7"
+          image: "python:3.5"
           propagate-environment: true
     retry:
       automatic:
@@ -114,57 +114,6 @@ steps:
         - exit_status: 2
           limit: 2
 
-  - command:
-      - "python -m pip install tox"
-      - "tox -e py27-old,codecov"
-    label: ":python: 2.7 / SQLite / Old Deps"
-    env:
-      TRIAL_FLAGS: "-j 2"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:2.7"
-          propagate-environment: true
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: ":python: 2.7 / :postgres: 9.4"
-    env:
-      TRIAL_FLAGS: "-j 4"
-    command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py27-postgres,codecov'"
-    plugins:
-      - docker-compose#v2.1.0:
-          run: testenv
-          config:
-            - .buildkite/docker-compose.py27.pg94.yaml
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: ":python: 2.7 / :postgres: 9.5"
-    env:
-      TRIAL_FLAGS: "-j 4"
-    command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py27-postgres,codecov'"
-    plugins:
-      - docker-compose#v2.1.0:
-          run: testenv
-          config:
-            - .buildkite/docker-compose.py27.pg95.yaml
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
   - label: ":python: 3.5 / :postgres: 9.4"
     env:
       TRIAL_FLAGS: "-j 4"
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -1,6 +1,6 @@
 version: 2
 jobs:
-  sytestpy2postgresmerged:
+  sytestpy3postgresmerged:
     docker:
       - image: matrixdotorg/sytest-synapse:dinsic
     working_directory: /src
@@ -18,7 +18,7 @@ workflows:
   version: 2
   build:
     jobs:
-      - sytestpy2postgresmerged:
+      - sytestpy3postgresmerged:
           filters:
             branches:
               ignore: /develop|master|release-.*/
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
@@ -0,0 +1,4 @@
+# One username per supported platform and one custom link
+patreon: matrixdotorg
+liberapay: matrixdotorg
+custom: https://paypal.me/matrixdotorg
diff --git a/changelog.d/5252.feature b/changelog.d/5252.feature
@@ -0,0 +1 @@
+Add monthly active users to phonehome stats.
diff --git a/changelog.d/5325.bugfix b/changelog.d/5325.bugfix
@@ -0,0 +1 @@
+Fix a bug where running synapse_port_db would cause the account validity feature to fail because it didn't set the type of the email_sent column to boolean.
diff --git a/changelog.d/5382.misc b/changelog.d/5382.misc
@@ -0,0 +1 @@
+Add a sponsor button to the repo.
diff --git a/changelog.d/5386.misc b/changelog.d/5386.misc
@@ -0,0 +1 @@
+Add a sponsor button to the repo.
diff --git a/changelog.d/5387.bugfix b/changelog.d/5387.bugfix
@@ -0,0 +1 @@
+Warn about disabling email-based password resets when a reset occurs, and remove warning when someone attempts a phone-based reset.
diff --git a/changelog.d/5412.feature b/changelog.d/5412.feature
@@ -0,0 +1 @@
+Add --no-daemonize option to run synapse in the foreground, per issue #4130. Contributed by Soham Gumaste.
diff --git a/changelog.d/5425.removal b/changelog.d/5425.removal
@@ -0,0 +1 @@
+Python 2.7 is no longer a supported platform. Synapse now requires Python 3.5+ to run.
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
@@ -54,6 +54,7 @@ BOOLEAN_COLUMNS = {
     "group_roles": ["is_public"],
     "local_group_membership": ["is_publicised", "is_admin"],
     "e2e_room_keys": ["is_verified"],
+    "account_validity": ["email_sent"],
 }
 
 
diff --git a/setup.py b/setup.py
@@ -102,6 +102,16 @@ def exec_file(path_segments):
     include_package_data=True,
     zip_safe=False,
     long_description=long_description,
+    python_requires='~=3.5',
+    classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Topic :: Communications :: Chat',
+        'License :: OSI Approved :: Apache Software License',
+        'Programming Language :: Python :: 3 :: Only',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+    ],
     scripts=["synctl"] + glob.glob("scripts/*"),
     cmdclass={'test': TestCommand},
 )
diff --git a/synapse/__init__.py b/synapse/__init__.py
@@ -17,6 +17,13 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
+import sys
+
+# Check that we're not running on an unsupported Python version.
+if sys.version_info < (3, 5):
+    print("Synapse requires Python 3.5 or above.")
+    sys.exit(1)
+
 try:
     from twisted.internet import protocol
     from twisted.internet.protocol import Factory
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
@@ -540,6 +540,7 @@ def phone_stats_home():
         stats["total_room_count"] = room_count
 
         stats["daily_active_users"] = yield hs.get_datastore().count_daily_users()
+        stats["monthly_active_users"] = yield hs.get_datastore().count_monthly_users()
         stats["daily_active_rooms"] = yield hs.get_datastore().count_daily_active_rooms()
         stats["daily_messages"] = yield hs.get_datastore().count_daily_messages()
 
diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
@@ -19,15 +19,12 @@
 
 # This file can't be called email.py because if it is, we cannot:
 import email.utils
-import logging
 import os
 
 import pkg_resources
 
 from ._base import Config, ConfigError
 
-logger = logging.getLogger(__name__)
-
 
 class EmailConfig(Config):
     def read_config(self, config):
@@ -85,10 +82,12 @@ def read_config(self, config):
         self.email_password_reset_behaviour = (
             "remote" if email_trust_identity_server_for_password_resets else "local"
         )
+        self.password_resets_were_disabled_due_to_email_config = False
         if self.email_password_reset_behaviour == "local" and email_config == {}:
-            logger.warn(
-                "User password resets have been disabled due to lack of email config"
-            )
+            # We cannot warn the user this has happened here
+            # Instead do so when a user attempts to reset their password
+            self.password_resets_were_disabled_due_to_email_config = True
+
             self.email_password_reset_behaviour = "off"
 
         # Get lifetime of a validation token in milliseconds
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
@@ -44,7 +44,7 @@
     "canonicaljson>=1.1.3",
     "signedjson>=1.0.0",
     "pynacl>=1.2.1",
-    "idna>=2",
+    "idna>=2.5",
 
     # validating SSL certs for IP addresses requires service_identity 18.1.
     "service_identity>=18.1.0",
@@ -65,7 +65,7 @@
     "sortedcontainers>=1.4.4",
     "psutil>=2.0.0",
     "pymacaroons>=0.13.0",
-    "msgpack>=0.5.0",
+    "msgpack>=0.5.2",
     "phonenumbers>=8.2.0",
     "six>=1.12",
     # prometheus_client 0.4.0 changed the format of counter metrics
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
@@ -69,7 +69,13 @@ def __init__(self, hs):
     @defer.inlineCallbacks
     def on_POST(self, request):
         if self.config.email_password_reset_behaviour == "off":
-            raise SynapseError(400, "Password resets have been disabled on this server")
+            if self.config.password_resets_were_disabled_due_to_email_config:
+                logger.warn(
+                    "User password resets have been disabled due to lack of email config"
+                )
+            raise SynapseError(
+                400, "Email-based password resets have been disabled on this server",
+            )
 
         body = parse_json_object_from_request(request)
 
@@ -197,9 +203,6 @@ def __init__(self, hs):
 
     @defer.inlineCallbacks
     def on_POST(self, request):
-        if not self.config.email_password_reset_behaviour == "off":
-            raise SynapseError(400, "Password resets have been disabled on this server")
-
         body = parse_json_object_from_request(request)
 
         assert_params_in_dict(body, [
@@ -254,6 +257,14 @@ def on_GET(self, request, medium):
                 400,
                 "This medium is currently not supported for password resets",
             )
+        if self.config.email_password_reset_behaviour == "off":
+            if self.config.password_resets_were_disabled_due_to_email_config:
+                logger.warn(
+                    "User password resets have been disabled due to lack of email config"
+                )
+            raise SynapseError(
+                400, "Email-based password resets have been disabled on this server",
+            )
 
         sid = parse_string(request, "sid")
         client_secret = parse_string(request, "client_secret")
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
@@ -279,23 +279,37 @@ def count_daily_users(self):
         """
         Counts the number of users who used this homeserver in the last 24 hours.
         """
+        yesterday = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24)
+        return self.runInteraction("count_daily_users", self._count_users, yesterday,)
 
-        def _count_users(txn):
-            yesterday = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24)
-
-            sql = """
-                SELECT COALESCE(count(*), 0) FROM (
-                    SELECT user_id FROM user_ips
-                    WHERE last_seen > ?
-                    GROUP BY user_id
-                ) u
-            """
-
-            txn.execute(sql, (yesterday,))
-            count, = txn.fetchone()
-            return count
+    def count_monthly_users(self):
+        """
+        Counts the number of users who used this homeserver in the last 30 days.
+        Note this method is intended for phonehome metrics only and is different
+        from the mau figure in synapse.storage.monthly_active_users which,
+        amongst other things, includes a 3 day grace period before a user counts.
+        """
+        thirty_days_ago = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24 * 30)
+        return self.runInteraction(
+            "count_monthly_users",
+            self._count_users,
+            thirty_days_ago,
+        )
 
-        return self.runInteraction("count_users", _count_users)
+    def _count_users(self, txn, time_from):
+        """
+        Returns number of users seen in the past time_from period
+        """
+        sql = """
+            SELECT COALESCE(count(*), 0) FROM (
+                SELECT user_id FROM user_ips
+                WHERE last_seen > ?
+                GROUP BY user_id
+            ) u
+        """
+        txn.execute(sql, (time_from,))
+        count, = txn.fetchone()
+        return count
 
     def count_r30_users(self):
         """
diff --git a/synctl b/synctl
@@ -69,10 +69,14 @@ def abort(message, colour=RED, stream=sys.stderr):
     sys.exit(1)
 
 
-def start(configfile):
+def start(configfile, daemonize=True):
     write("Starting ...")
     args = SYNAPSE
-    args.extend(["--daemonize", "-c", configfile])
+
+    if daemonize:
+        args.extend(["--daemonize", "-c", configfile])
+    else:
+        args.extend(["-c", configfile])
 
     try:
         subprocess.check_call(args)
@@ -143,12 +147,21 @@ def main():
         help="start or stop all the workers in the given directory"
         " and the main synapse process",
     )
+    parser.add_argument(
+        "--no-daemonize",
+        action="store_false",
+        help="Run synapse in the foreground for debugging. "
+        "Will work only if the daemonize option is not set in the config."
+    )
 
     options = parser.parse_args()
 
     if options.worker and options.all_processes:
         write('Cannot use "--worker" with "--all-processes"', stream=sys.stderr)
         sys.exit(1)
+    if options.no_daemonize and options.all_processes:
+        write('Cannot use "--no-daemonize" with "--all-processes"', stream=sys.stderr)
+        sys.exit(1)
 
     configfile = options.configfile
 
@@ -276,7 +289,7 @@ def main():
             # Check if synapse is already running
             if os.path.exists(pidfile) and pid_running(int(open(pidfile).read())):
                 abort("synapse.app.homeserver already running")
-            start(configfile)
+            start(configfile, bool(options.no_daemonize))
 
         for worker in workers:
             env = os.environ.copy()
diff --git a/tox.ini b/tox.ini

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Add monthly active users to phonehome stats.`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Fix a bug where running synapse_port_db would cause the account validity feature to fail because it didn't set the type of the email_sent column to boolean.`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Warn about disabling email-based password resets when a reset occurs, and remove warning when someone attempts a phone-based reset.`