anonymousland-synapse/synapse/storage/types.py
David Robertson 961ee75a9b
Disallow untyped defs in synapse._scripts (#12422)
Of note: 

* No untyped defs in `register_new_matrix_user`

This one might be contraversial. `request_registration` has three
dependency-injection arguments used for testing. I'm removing the
injection of the `requests` module and using `unitest.mock.patch` in the
test cases instead.

Doing `reveal_type(requests)` and `reveal_type(requests.get)` before the
change:

```
synapse/_scripts/register_new_matrix_user.py:45: note: Revealed type is "Any"
synapse/_scripts/register_new_matrix_user.py:46: note: Revealed type is "Any"
```

And after:

```
synapse/_scripts/register_new_matrix_user.py:44: note: Revealed type is "types.ModuleType"
synapse/_scripts/register_new_matrix_user.py:45: note: Revealed type is "def (url: Union[builtins.str, builtins.bytes], params: Union[Union[_typeshed.SupportsItems[Union[builtins.str, builtins.bytes, builtins.int, builtins.float], Union[builtins.str, builtins.bytes, builtins.int, builtins.float, typing.Iterable[Union[builtins.str, builtins.bytes, builtins.int, builtins.float]], None]], Tuple[Union[builtins.str, builtins.bytes, builtins.int, builtins.float], Union[builtins.str, builtins.bytes, builtins.int, builtins.float, typing.Iterable[Union[builtins.str, builtins.bytes, builtins.int, builtins.float]], None]], typing.Iterable[Tuple[Union[builtins.str, builtins.bytes, builtins.int, builtins.float], Union[builtins.str, builtins.bytes, builtins.int, builtins.float, typing.Iterable[Union[builtins.str, builtins.bytes, builtins.int, builtins.float]], None]]], builtins.str, builtins.bytes], None] =, data: Union[Any, None] =, headers: Union[Any, None] =, cookies: Union[Any, None] =, files: Union[Any, None] =, auth: Union[Any, None] =, timeout: Union[Any, None] =, allow_redirects: builtins.bool =, proxies: Union[Any, None] =, hooks: Union[Any, None] =, stream: Union[Any, None] =, verify: Union[Any, None] =, cert: Union[Any, None] =, json: Union[Any, None] =) -> requests.models.Response"
```

* Drive-by comment in `synapse.storage.types`

* No untyped defs in `synapse_port_db`

This was by far the most painful. I'm happy to break this up into
smaller pieces for review if it's not managable as-is.
2022-04-11 12:41:55 +01:00

91 lines
2.3 KiB
Python

# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# 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 Any, Iterator, List, Mapping, Optional, Sequence, Tuple, Union
from typing_extensions import Protocol
"""
Some very basic protocol definitions for the DB-API2 classes specified in PEP-249
"""
_Parameters = Union[Sequence[Any], Mapping[str, Any]]
class Cursor(Protocol):
def execute(self, sql: str, parameters: _Parameters = ...) -> Any:
...
def executemany(self, sql: str, parameters: Sequence[_Parameters]) -> Any:
...
def fetchone(self) -> Optional[Tuple]:
...
def fetchmany(self, size: Optional[int] = ...) -> List[Tuple]:
...
def fetchall(self) -> List[Tuple]:
...
@property
def description(
self,
) -> Optional[
Sequence[
# Note that this is an approximate typing based on sqlite3 and other
# drivers, and may not be entirely accurate.
# FWIW, the DBAPI 2 spec is: https://peps.python.org/pep-0249/#description
Tuple[
str,
Optional[Any],
Optional[int],
Optional[int],
Optional[int],
Optional[int],
Optional[int],
]
]
]:
...
@property
def rowcount(self) -> int:
return 0
def __iter__(self) -> Iterator[Tuple]:
...
def close(self) -> None:
...
class Connection(Protocol):
def cursor(self) -> Cursor:
...
def close(self) -> None:
...
def commit(self) -> None:
...
def rollback(self) -> None:
...
def __enter__(self) -> "Connection":
...
def __exit__(self, exc_type, exc_value, traceback) -> Optional[bool]:
...