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Add missing type hints to config base classes (#11377)

This commit is contained in:
Patrick Cloke 2021-11-23 10:21:19 -05:00 committed by GitHub
parent 7cebaf9644
commit 55669bd3de
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GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 184 additions and 109 deletions
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1
changelog.d/11377.bugfix Normal file
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@ -0,0 +1 @@
Fix a bug introduced in v1.45.0 where the `read_templates` method of the module API would error.

1
changelog.d/11377.misc Normal file
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@ -0,0 +1 @@
Add type hints to configuration classes.

3
mypy.ini
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@ -151,6 +151,9 @@ disallow_untyped_defs = True
[mypy-synapse.app.*]
disallow_untyped_defs = True
[mypy-synapse.config._base]
disallow_untyped_defs = True
[mypy-synapse.crypto.*]
disallow_untyped_defs = True

157
synapse/config/_base.py
View File

@ -20,7 +20,18 @@ import os
from collections import OrderedDict
from hashlib import sha256
from textwrap import dedent
from typing import Any, Iterable, List, MutableMapping, Optional, Union
from typing import (
Any,
Dict,
Iterable,
List,
MutableMapping,
Optional,
Tuple,
Type,
TypeVar,
Union,
)
import attr
import jinja2
@ -78,7 +89,7 @@ CONFIG_FILE_HEADER = """\
"""
def path_exists(file_path):
def path_exists(file_path: str) -> bool:
"""Check if a file exists
Unlike os.path.exists, this throws an exception if there is an error
@ -86,7 +97,7 @@ def path_exists(file_path):
the parent dir).
Returns:
bool: True if the file exists; False if not.
True if the file exists; False if not.
"""
try:
os.stat(file_path)
@ -102,15 +113,15 @@ class Config:
A configuration section, containing configuration keys and values.
Attributes:
section (str): The section title of this config object, such as
section: The section title of this config object, such as
"tls" or "logger". This is used to refer to it on the root
logger (for example, `config.tls.some_option`). Must be
defined in subclasses.
"""
section = None
section: str
def __init__(self, root_config=None):
def __init__(self, root_config: "RootConfig" = None):
self.root = root_config
# Get the path to the default Synapse template directory
@ -119,7 +130,7 @@ class Config:
)
@staticmethod
def parse_size(value):
def parse_size(value: Union[str, int]) -> int:
if isinstance(value, int):
return value
sizes = {"K": 1024, "M": 1024 * 1024}
@ -162,15 +173,15 @@ class Config:
return int(value) * size
@staticmethod
def abspath(file_path):
def abspath(file_path: str) -> str:
return os.path.abspath(file_path) if file_path else file_path
@classmethod
def path_exists(cls, file_path):
def path_exists(cls, file_path: str) -> bool:
return path_exists(file_path)
@classmethod
def check_file(cls, file_path, config_name):
def check_file(cls, file_path: Optional[str], config_name: str) -> str:
if file_path is None:
raise ConfigError("Missing config for %s." % (config_name,))
try:
@ -183,7 +194,7 @@ class Config:
return cls.abspath(file_path)
@classmethod
def ensure_directory(cls, dir_path):
def ensure_directory(cls, dir_path: str) -> str:
dir_path = cls.abspath(dir_path)
os.makedirs(dir_path, exist_ok=True)
if not os.path.isdir(dir_path):
@ -191,7 +202,7 @@ class Config:
return dir_path
@classmethod
def read_file(cls, file_path, config_name):
def read_file(cls, file_path: Any, config_name: str) -> str:
"""Deprecated: call read_file directly"""
return read_file(file_path, (config_name,))
@ -284,6 +295,9 @@ class Config:
return [env.get_template(filename) for filename in filenames]
TRootConfig = TypeVar("TRootConfig", bound="RootConfig")
class RootConfig:
"""
Holder of an application's configuration.
@ -308,7 +322,9 @@ class RootConfig:
raise Exception("Failed making %s: %r" % (config_class.section, e))
setattr(self, config_class.section, conf)
def invoke_all(self, func_name: str, *args, **kwargs) -> MutableMapping[str, Any]:
def invoke_all(
self, func_name: str, *args: Any, **kwargs: Any
) -> MutableMapping[str, Any]:
"""
Invoke a function on all instantiated config objects this RootConfig is
configured to use.
@ -317,6 +333,7 @@ class RootConfig:
func_name: Name of function to invoke
*args
**kwargs
Returns:
ordered dictionary of config section name and the result of the
function from it.
@ -332,7 +349,7 @@ class RootConfig:
return res
@classmethod
def invoke_all_static(cls, func_name: str, *args, **kwargs):
def invoke_all_static(cls, func_name: str, *args: Any, **kwargs: any) -> None:
"""
Invoke a static function on config objects this RootConfig is
configured to use.
@ -341,6 +358,7 @@ class RootConfig:
func_name: Name of function to invoke
*args
**kwargs
Returns:
ordered dictionary of config section name and the result of the
function from it.
@ -351,16 +369,16 @@ class RootConfig:
def generate_config(
self,
config_dir_path,
data_dir_path,
server_name,
generate_secrets=False,
report_stats=None,
open_private_ports=False,
listeners=None,
tls_certificate_path=None,
tls_private_key_path=None,
):
config_dir_path: str,
data_dir_path: str,
server_name: str,
generate_secrets: bool = False,
report_stats: Optional[bool] = None,
open_private_ports: bool = False,
listeners: Optional[List[dict]] = None,
tls_certificate_path: Optional[str] = None,
tls_private_key_path: Optional[str] = None,
) -> str:
"""
Build a default configuration file
@ -368,27 +386,27 @@ class RootConfig:
(eg with --generate_config).
Args:
config_dir_path (str): The path where the config files are kept. Used to
config_dir_path: The path where the config files are kept. Used to
create filenames for things like the log config and the signing key.
data_dir_path (str): The path where the data files are kept. Used to create
data_dir_path: The path where the data files are kept. Used to create
filenames for things like the database and media store.
server_name (str): The server name. Used to initialise the server_name
server_name: The server name. Used to initialise the server_name
config param, but also used in the names of some of the config files.
generate_secrets (bool): True if we should generate new secrets for things
generate_secrets: True if we should generate new secrets for things
like the macaroon_secret_key. If False, these parameters will be left
unset.
report_stats (bool|None): Initial setting for the report_stats setting.
report_stats: Initial setting for the report_stats setting.
If None, report_stats will be left unset.
open_private_ports (bool): True to leave private ports (such as the non-TLS
open_private_ports: True to leave private ports (such as the non-TLS
HTTP listener) open to the internet.
listeners (list(dict)|None): A list of descriptions of the listeners
synapse should start with each of which specifies a port (str), a list of
listeners: A list of descriptions of the listeners synapse should
start with each of which specifies a port (int), a list of
resources (list(str)), tls (bool) and type (str). For example:
[{
"port": 8448,
@ -403,16 +421,12 @@ class RootConfig:
"type": "http",
}],
tls_certificate_path: The path to the tls certificate.
database (str|None): The database type to configure, either `psycog2`
or `sqlite3`.
tls_certificate_path (str|None): The path to the tls certificate.
tls_private_key_path (str|None): The path to the tls private key.
tls_private_key_path: The path to the tls private key.
Returns:
str: the yaml config file
The yaml config file
"""
return CONFIG_FILE_HEADER + "\n\n".join(
@ -432,12 +446,15 @@ class RootConfig:
)
@classmethod
def load_config(cls, description, argv):
def load_config(
cls: Type[TRootConfig], description: str, argv: List[str]
) -> TRootConfig:
"""Parse the commandline and config files
Doesn't support config-file-generation: used by the worker apps.
Returns: Config object.
Returns:
Config object.
"""
config_parser = argparse.ArgumentParser(description=description)
cls.add_arguments_to_parser(config_parser)
@ -446,7 +463,7 @@ class RootConfig:
return obj
@classmethod
def add_arguments_to_parser(cls, config_parser):
def add_arguments_to_parser(cls, config_parser: argparse.ArgumentParser) -> None:
"""Adds all the config flags to an ArgumentParser.
Doesn't support config-file-generation: used by the worker apps.
@ -454,7 +471,7 @@ class RootConfig:
Used for workers where we want to add extra flags/subcommands.
Args:
config_parser (ArgumentParser): App description
config_parser: App description
"""
config_parser.add_argument(
@ -477,7 +494,9 @@ class RootConfig:
cls.invoke_all_static("add_arguments", config_parser)
@classmethod
def load_config_with_parser(cls, parser, argv):
def load_config_with_parser(
cls: Type[TRootConfig], parser: argparse.ArgumentParser, argv: List[str]
) -> Tuple[TRootConfig, argparse.Namespace]:
"""Parse the commandline and config files with the given parser
Doesn't support config-file-generation: used by the worker apps.
@ -485,13 +504,12 @@ class RootConfig:
Used for workers where we want to add extra flags/subcommands.
Args:
parser (ArgumentParser)
argv (list[str])
parser
argv
Returns:
tuple[HomeServerConfig, argparse.Namespace]: Returns the parsed
config object and the parsed argparse.Namespace object from
`parser.parse_args(..)`
Returns the parsed config object and the parsed argparse.Namespace
object from parser.parse_args(..)`
"""
obj = cls()
@ -520,12 +538,15 @@ class RootConfig:
return obj, config_args
@classmethod
def load_or_generate_config(cls, description, argv):
def load_or_generate_config(
cls: Type[TRootConfig], description: str, argv: List[str]
) -> Optional[TRootConfig]:
"""Parse the commandline and config files
Supports generation of config files, so is used for the main homeserver app.
Returns: Config object, or None if --generate-config or --generate-keys was set
Returns:
Config object, or None if --generate-config or --generate-keys was set
"""
parser = argparse.ArgumentParser(description=description)
parser.add_argument(
@ -680,16 +701,21 @@ class RootConfig:
return obj
def parse_config_dict(self, config_dict, config_dir_path=None, data_dir_path=None):
def parse_config_dict(
self,
config_dict: Dict[str, Any],
config_dir_path: Optional[str] = None,
data_dir_path: Optional[str] = None,
) -> None:
"""Read the information from the config dict into this Config object.
Args:
config_dict (dict): Configuration data, as read from the yaml
config_dict: Configuration data, as read from the yaml
config_dir_path (str): The path where the config files are kept. Used to
config_dir_path: The path where the config files are kept. Used to
create filenames for things like the log config and the signing key.
data_dir_path (str): The path where the data files are kept. Used to create
data_dir_path: The path where the data files are kept. Used to create
filenames for things like the database and media store.
"""
self.invoke_all(
@ -699,17 +725,20 @@ class RootConfig:
data_dir_path=data_dir_path,
)
def generate_missing_files(self, config_dict, config_dir_path):
def generate_missing_files(
self, config_dict: Dict[str, Any], config_dir_path: str
) -> None:
self.invoke_all("generate_files", config_dict, config_dir_path)
def read_config_files(config_files):
def read_config_files(config_files: Iterable[str]) -> Dict[str, Any]:
"""Read the config files into a dict
Args:
config_files (iterable[str]): A list of the config files to read
config_files: A list of the config files to read
Returns: dict
Returns:
The configuration dictionary.
"""
specified_config = {}
for config_file in config_files:
@ -733,17 +762,17 @@ def read_config_files(config_files):
return specified_config
def find_config_files(search_paths):
def find_config_files(search_paths: List[str]) -> List[str]:
"""Finds config files using a list of search paths. If a path is a file
then that file path is added to the list. If a search path is a directory
then all the "*.yaml" files in that directory are added to the list in
sorted order.
Args:
search_paths(list(str)): A list of paths to search.
search_paths: A list of paths to search.
Returns:
list(str): A list of file paths.
A list of file paths.
"""
config_files = []
@ -777,7 +806,7 @@ def find_config_files(search_paths):
return config_files
@attr.s
@attr.s(auto_attribs=True)
class ShardedWorkerHandlingConfig:
"""Algorithm for choosing which instance is responsible for handling some
sharded work.
@ -787,7 +816,7 @@ class ShardedWorkerHandlingConfig:
below).
"""
instances = attr.ib(type=List[str])
instances: List[str]
def should_handle(self, instance_name: str, key: str) -> bool:
"""Whether this instance is responsible for handling the given key."""

87
synapse/config/_base.pyi
View File

@ -1,4 +1,18 @@
from typing import Any, Iterable, List, Optional
import argparse
from typing import (
Any,
Dict,
Iterable,
List,
MutableMapping,
Optional,
Tuple,
Type,
TypeVar,
Union,
)
import jinja2
from synapse.config import (
account_validity,
@ -19,6 +33,7 @@ from synapse.config import (
logger,
metrics,
modules,
oembed,
oidc,
password_auth_providers,
push,
@ -27,6 +42,7 @@ from synapse.config import (
registration,
repository,
retention,
room,
room_directory,
saml2,
server,
@ -51,7 +67,9 @@ MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS: str
MISSING_REPORT_STATS_SPIEL: str
MISSING_SERVER_NAME: str
def path_exists(file_path: str): ...
def path_exists(file_path: str) -> bool: ...
TRootConfig = TypeVar("TRootConfig", bound="RootConfig")
class RootConfig:
server: server.ServerConfig
@ -61,6 +79,7 @@ class RootConfig:
logging: logger.LoggingConfig
ratelimiting: ratelimiting.RatelimitConfig
media: repository.ContentRepositoryConfig
oembed: oembed.OembedConfig
captcha: captcha.CaptchaConfig
voip: voip.VoipConfig
registration: registration.RegistrationConfig
@ -80,6 +99,7 @@ class RootConfig:
authproviders: password_auth_providers.PasswordAuthProviderConfig
push: push.PushConfig
spamchecker: spam_checker.SpamCheckerConfig
room: room.RoomConfig
groups: groups.GroupsConfig
userdirectory: user_directory.UserDirectoryConfig
consent: consent.ConsentConfig
@ -87,72 +107,85 @@ class RootConfig:
servernotices: server_notices.ServerNoticesConfig
roomdirectory: room_directory.RoomDirectoryConfig
thirdpartyrules: third_party_event_rules.ThirdPartyRulesConfig
tracer: tracer.TracerConfig
tracing: tracer.TracerConfig
redis: redis.RedisConfig
modules: modules.ModulesConfig
caches: cache.CacheConfig
federation: federation.FederationConfig
retention: retention.RetentionConfig
config_classes: List = ...
config_classes: List[Type["Config"]] = ...
def __init__(self) -> None: ...
def invoke_all(self, func_name: str, *args: Any, **kwargs: Any): ...
def invoke_all(
self, func_name: str, *args: Any, **kwargs: Any
) -> MutableMapping[str, Any]: ...
@classmethod
def invoke_all_static(cls, func_name: str, *args: Any, **kwargs: Any) -> None: ...
def __getattr__(self, item: str): ...
def parse_config_dict(
self,
config_dict: Any,
config_dir_path: Optional[Any] = ...,
data_dir_path: Optional[Any] = ...,
config_dict: Dict[str, Any],
config_dir_path: Optional[str] = ...,
data_dir_path: Optional[str] = ...,
) -> None: ...
read_config: Any = ...
def generate_config(
self,
config_dir_path: str,
data_dir_path: str,
server_name: str,
generate_secrets: bool = ...,
report_stats: Optional[str] = ...,
report_stats: Optional[bool] = ...,
open_private_ports: bool = ...,
listeners: Optional[Any] = ...,
database_conf: Optional[Any] = ...,
tls_certificate_path: Optional[str] = ...,
tls_private_key_path: Optional[str] = ...,
): ...
) -> str: ...
@classmethod
def load_or_generate_config(cls, description: Any, argv: Any): ...
def load_or_generate_config(
cls: Type[TRootConfig], description: str, argv: List[str]
) -> Optional[TRootConfig]: ...
@classmethod
def load_config(cls, description: Any, argv: Any): ...
def load_config(
cls: Type[TRootConfig], description: str, argv: List[str]
) -> TRootConfig: ...
@classmethod
def add_arguments_to_parser(cls, config_parser: Any) -> None: ...
def add_arguments_to_parser(
cls, config_parser: argparse.ArgumentParser
) -> None: ...
@classmethod
def load_config_with_parser(cls, parser: Any, argv: Any): ...
def load_config_with_parser(
cls: Type[TRootConfig], parser: argparse.ArgumentParser, argv: List[str]
) -> Tuple[TRootConfig, argparse.Namespace]: ...
def generate_missing_files(
self, config_dict: dict, config_dir_path: str
) -> None: ...
class Config:
root: RootConfig
default_template_dir: str
def __init__(self, root_config: Optional[RootConfig] = ...) -> None: ...
def __getattr__(self, item: str, from_root: bool = ...): ...
@staticmethod
def parse_size(value: Any): ...
def parse_size(value: Union[str, int]) -> int: ...
@staticmethod
def parse_duration(value: Any): ...
def parse_duration(value: Union[str, int]) -> int: ...
@staticmethod
def abspath(file_path: Optional[str]): ...
def abspath(file_path: Optional[str]) -> str: ...
@classmethod
def path_exists(cls, file_path: str): ...
def path_exists(cls, file_path: str) -> bool: ...
@classmethod
def check_file(cls, file_path: str, config_name: str): ...
def check_file(cls, file_path: str, config_name: str) -> str: ...
@classmethod
def ensure_directory(cls, dir_path: str): ...
def ensure_directory(cls, dir_path: str) -> str: ...
@classmethod
def read_file(cls, file_path: str, config_name: str): ...
def read_file(cls, file_path: str, config_name: str) -> str: ...
def read_template(self, filenames: str) -> jinja2.Template: ...
def read_templates(
self,
filenames: List[str],
custom_template_directories: Optional[Iterable[str]] = None,
) -> List[jinja2.Template]: ...
def read_config_files(config_files: List[str]): ...
def find_config_files(search_paths: List[str]): ...
def read_config_files(config_files: Iterable[str]) -> Dict[str, Any]: ...
def find_config_files(search_paths: List[str]) -> List[str]: ...
class ShardedWorkerHandlingConfig:
instances: List[str]

4
synapse/config/cache.py
View File

@ -15,7 +15,7 @@
import os
import re
import threading
from typing import Callable, Dict
from typing import Callable, Dict, Optional
from synapse.python_dependencies import DependencyException, check_requirements
@ -217,7 +217,7 @@ class CacheConfig(Config):
expiry_time = cache_config.get("expiry_time")
if expiry_time:
self.expiry_time_msec = self.parse_duration(expiry_time)
self.expiry_time_msec: Optional[int] = self.parse_duration(expiry_time)
else:
self.expiry_time_msec = None

3
synapse/config/key.py
View File

@ -16,6 +16,7 @@
import hashlib
import logging
import os
from typing import Any, Dict
import attr
import jsonschema
@ -312,7 +313,7 @@ class KeyConfig(Config):
)
return keys
def generate_files(self, config, config_dir_path):
def generate_files(self, config: Dict[str, Any], config_dir_path: str) -> None:
if "signing_key" in config:
return

4
synapse/config/logger.py
View File

@ -18,7 +18,7 @@ import os
import sys
import threading
from string import Template
from typing import TYPE_CHECKING
from typing import TYPE_CHECKING, Any, Dict
import yaml
from zope.interface import implementer
@ -185,7 +185,7 @@ class LoggingConfig(Config):
help=argparse.SUPPRESS,
)
def generate_files(self, config, config_dir_path):
def generate_files(self, config: Dict[str, Any], config_dir_path: str) -> None:
log_config = config.get("log_config")
if log_config and not os.path.exists(log_config):
log_file = self.abspath("homeserver.log")

4
synapse/config/server.py
View File

@ -421,7 +421,7 @@ class ServerConfig(Config):
# before redacting them.
redaction_retention_period = config.get("redaction_retention_period", "7d")
if redaction_retention_period is not None:
self.redaction_retention_period = self.parse_duration(
self.redaction_retention_period: Optional[int] = self.parse_duration(
redaction_retention_period
)
else:
@ -430,7 +430,7 @@ class ServerConfig(Config):
# How long to keep entries in the `users_ips` table.
user_ips_max_age = config.get("user_ips_max_age", "28d")
if user_ips_max_age is not None:
self.user_ips_max_age = self.parse_duration(user_ips_max_age)
self.user_ips_max_age: Optional[int] = self.parse_duration(user_ips_max_age)
else:
self.user_ips_max_age = None

2
synapse/config/tls.py
View File

@ -245,7 +245,7 @@ class TlsConfig(Config):
cert_path = self.tls_certificate_file
logger.info("Loading TLS certificate from %s", cert_path)
cert_pem = self.read_file(cert_path, "tls_certificate_path")
cert = crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
cert = crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem.encode())
return cert

2
synapse/module_api/__init__.py
View File

@ -1014,7 +1014,7 @@ class ModuleApi:
A list containing the loaded templates, with the orders matching the one of
the filenames parameter.
"""
return self._hs.config.read_templates(
return self._hs.config.server.read_templates(
filenames,
(td for td in (self.custom_template_dir, custom_template_directory) if td),
)

3
synapse/storage/databases/main/registration.py
View File

@ -1198,8 +1198,9 @@ class RegistrationWorkerStore(CacheInvalidationWorkerStore):
expiration_ts = now_ms + self._account_validity_period
if use_delta:
assert self._account_validity_startup_job_max_delta is not None
expiration_ts = random.randrange(
expiration_ts - self._account_validity_startup_job_max_delta,
int(expiration_ts - self._account_validity_startup_job_max_delta),
expiration_ts,
)

22
tests/config/test_load.py
View File

@ -46,15 +46,16 @@ class ConfigLoadingFileTestCase(ConfigFileTestCase):
"was: %r" % (config.key.macaroon_secret_key,)
)
config = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
config2 = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
assert config2 is not None
self.assertTrue(
hasattr(config.key, "macaroon_secret_key"),
hasattr(config2.key, "macaroon_secret_key"),
"Want config to have attr macaroon_secret_key",
)
if len(config.key.macaroon_secret_key) < 5:
if len(config2.key.macaroon_secret_key) < 5:
self.fail(
"Want macaroon secret key to be string of at least length 5,"
"was: %r" % (config.key.macaroon_secret_key,)
"was: %r" % (config2.key.macaroon_secret_key,)
)
def test_load_succeeds_if_macaroon_secret_key_missing(self):
@ -62,6 +63,9 @@ class ConfigLoadingFileTestCase(ConfigFileTestCase):
config1 = HomeServerConfig.load_config("", ["-c", self.config_file])
config2 = HomeServerConfig.load_config("", ["-c", self.config_file])
config3 = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
assert config1 is not None
assert config2 is not None
assert config3 is not None
self.assertEqual(
config1.key.macaroon_secret_key, config2.key.macaroon_secret_key
)
@ -78,14 +82,16 @@ class ConfigLoadingFileTestCase(ConfigFileTestCase):
config = HomeServerConfig.load_config("", ["-c", self.config_file])
self.assertFalse(config.registration.enable_registration)
config = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
self.assertFalse(config.registration.enable_registration)
config2 = HomeServerConfig.load_or_generate_config("", ["-c", self.config_file])
assert config2 is not None
self.assertFalse(config2.registration.enable_registration)
# Check that either config value is clobbered by the command line.
config = HomeServerConfig.load_or_generate_config(
config3 = HomeServerConfig.load_or_generate_config(
"", ["-c", self.config_file, "--enable-registration"]
)
self.assertTrue(config.registration.enable_registration)
assert config3 is not None
self.assertTrue(config3.registration.enable_registration)
def test_stats_enabled(self):
self.generate_config_and_remove_lines_containing("enable_metrics")