diff --git a/changelog.d/9982.misc b/changelog.d/9982.misc
new file mode 100644
index 0000000000..f3821f61a3
--- /dev/null
+++ b/changelog.d/9982.misc
@@ -0,0 +1 @@
+Add missing type hints to `synapse.util` module.
diff --git a/mypy.ini b/mypy.ini
index 1d1d1ea0f2..062872020e 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -71,8 +71,13 @@ files =
synapse/types.py,
synapse/util/async_helpers.py,
synapse/util/caches,
+ synapse/util/daemonize.py,
+ synapse/util/hash.py,
+ synapse/util/iterutils.py,
synapse/util/metrics.py,
synapse/util/macaroons.py,
+ synapse/util/module_loader.py,
+ synapse/util/msisdn.py,
synapse/util/stringutils.py,
synapse/visibility.py,
tests/replication,
@@ -80,6 +85,7 @@ files =
tests/handlers/test_password_providers.py,
tests/rest/client/v1/test_login.py,
tests/rest/client/v2_alpha/test_auth.py,
+ tests/util/test_itertools.py,
tests/util/test_stream_change_cache.py
[mypy-pymacaroons.*]
@@ -175,5 +181,8 @@ ignore_missing_imports = True
[mypy-pympler.*]
ignore_missing_imports = True
+[mypy-phonenumbers.*]
+ignore_missing_imports = True
+
[mypy-ijson.*]
ignore_missing_imports = True
diff --git a/synapse/config/saml2.py b/synapse/config/saml2.py
index 3d1218c8d1..05e983625d 100644
--- a/synapse/config/saml2.py
+++ b/synapse/config/saml2.py
@@ -164,7 +164,13 @@ class SAML2Config(Config):
config_path = saml2_config.get("config_path", None)
if config_path is not None:
mod = load_python_module(config_path)
- _dict_merge(merge_dict=mod.CONFIG, into_dict=saml2_config_dict)
+ config = getattr(mod, "CONFIG", None)
+ if config is None:
+ raise ConfigError(
+ "Config path specified by saml2_config.config_path does not "
+ "have a CONFIG property."
+ )
+ _dict_merge(merge_dict=config, into_dict=saml2_config_dict)
import saml2.config
diff --git a/synapse/storage/databases/main/keys.py b/synapse/storage/databases/main/keys.py
index 0e86807834..6990f3ed1d 100644
--- a/synapse/storage/databases/main/keys.py
+++ b/synapse/storage/databases/main/keys.py
@@ -55,7 +55,7 @@ class KeyStore(SQLBaseStore):
"""
keys = {}
- def _get_keys(txn: Cursor, batch: Tuple[Tuple[str, str]]) -> None:
+ def _get_keys(txn: Cursor, batch: Tuple[Tuple[str, str], ...]) -> None:
"""Processes a batch of keys to fetch, and adds the result to `keys`."""
# batch_iter always returns tuples so it's safe to do len(batch)
diff --git a/synapse/util/hash.py b/synapse/util/hash.py
index ba676e1762..7625ca8c2c 100644
--- a/synapse/util/hash.py
+++ b/synapse/util/hash.py
@@ -17,15 +17,15 @@ import hashlib
import unpaddedbase64
-def sha256_and_url_safe_base64(input_text):
+def sha256_and_url_safe_base64(input_text: str) -> str:
"""SHA256 hash an input string, encode the digest as url-safe base64, and
return
- :param input_text: string to hash
- :type input_text: str
+ Args:
+ input_text: string to hash
- :returns a sha256 hashed and url-safe base64 encoded digest
- :rtype: str
+ returns:
+ A sha256 hashed and url-safe base64 encoded digest
"""
digest = hashlib.sha256(input_text.encode()).digest()
return unpaddedbase64.encode_base64(digest, urlsafe=True)
diff --git a/synapse/util/iterutils.py b/synapse/util/iterutils.py
index abfdc29832..886afa9d19 100644
--- a/synapse/util/iterutils.py
+++ b/synapse/util/iterutils.py
@@ -30,12 +30,12 @@ from typing import (
T = TypeVar("T")
-def batch_iter(iterable: Iterable[T], size: int) -> Iterator[Tuple[T]]:
+def batch_iter(iterable: Iterable[T], size: int) -> Iterator[Tuple[T, ...]]:
"""batch an iterable up into tuples with a maximum size
Args:
- iterable (iterable): the iterable to slice
- size (int): the maximum batch size
+ iterable: the iterable to slice
+ size: the maximum batch size
Returns:
an iterator over the chunks
@@ -46,10 +46,7 @@ def batch_iter(iterable: Iterable[T], size: int) -> Iterator[Tuple[T]]:
return iter(lambda: tuple(islice(sourceiter, size)), ())
-ISeq = TypeVar("ISeq", bound=Sequence, covariant=True)
-
-
-def chunk_seq(iseq: ISeq, maxlen: int) -> Iterable[ISeq]:
+def chunk_seq(iseq: Sequence[T], maxlen: int) -> Iterable[Sequence[T]]:
"""Split the given sequence into chunks of the given size
The last chunk may be shorter than the given size.
diff --git a/synapse/util/module_loader.py b/synapse/util/module_loader.py
index 8acbe276e4..cbfbd097f9 100644
--- a/synapse/util/module_loader.py
+++ b/synapse/util/module_loader.py
@@ -15,6 +15,7 @@
import importlib
import importlib.util
import itertools
+from types import ModuleType
from typing import Any, Iterable, Tuple, Type
import jsonschema
@@ -44,8 +45,8 @@ def load_module(provider: dict, config_path: Iterable[str]) -> Tuple[Type, Any]:
# We need to import the module, and then pick the class out of
# that, so we split based on the last dot.
- module, clz = modulename.rsplit(".", 1)
- module = importlib.import_module(module)
+ module_name, clz = modulename.rsplit(".", 1)
+ module = importlib.import_module(module_name)
provider_class = getattr(module, clz)
# Load the module config. If None, pass an empty dictionary instead
@@ -69,11 +70,11 @@ def load_module(provider: dict, config_path: Iterable[str]) -> Tuple[Type, Any]:
return provider_class, provider_config
-def load_python_module(location: str):
+def load_python_module(location: str) -> ModuleType:
"""Load a python module, and return a reference to its global namespace
Args:
- location (str): path to the module
+ location: path to the module
Returns:
python module object
diff --git a/synapse/util/msisdn.py b/synapse/util/msisdn.py
index bbbdebf264..1046224f15 100644
--- a/synapse/util/msisdn.py
+++ b/synapse/util/msisdn.py
@@ -17,19 +17,19 @@ import phonenumbers
from synapse.api.errors import SynapseError
-def phone_number_to_msisdn(country, number):
+def phone_number_to_msisdn(country: str, number: str) -> str:
"""
Takes an ISO-3166-1 2 letter country code and phone number and
returns an msisdn representing the canonical version of that
phone number.
Args:
- country (str): ISO-3166-1 2 letter country code
- number (str): Phone number in a national or international format
+ country: ISO-3166-1 2 letter country code
+ number: Phone number in a national or international format
Returns:
- (str) The canonical form of the phone number, as an msisdn
+ The canonical form of the phone number, as an msisdn
Raises:
- SynapseError if the number could not be parsed.
+ SynapseError if the number could not be parsed.
"""
try:
phoneNumber = phonenumbers.parse(number, country)
diff --git a/tests/util/test_itertools.py b/tests/util/test_itertools.py
index 1bd0b45d94..e712eb42ea 100644
--- a/tests/util/test_itertools.py
+++ b/tests/util/test_itertools.py
@@ -11,7 +11,7 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
-from typing import Dict, List
+from typing import Dict, Iterable, List, Sequence
from synapse.util.iterutils import chunk_seq, sorted_topologically
@@ -44,7 +44,7 @@ class ChunkSeqTests(TestCase):
)
def test_empty_input(self):
- parts = chunk_seq([], 5)
+ parts = chunk_seq([], 5) # type: Iterable[Sequence]
self.assertEqual(
list(parts),
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