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8 changes: 4 additions & 4 deletions .github/workflows/python_lint.yml
Original file line number Diff line number Diff line change
Expand Up @@ -58,28 +58,28 @@
- name: Check code format
run: poetry run ruff format --diff .

mypy-check:
name: MyPy Check
pyrefly-check:
name: Pyrefly Check
runs-on: ubuntu-latest
steps:
# Common steps:
- name: Checkout code
uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
- name: Set up Poetry
uses: Gr1N/setup-poetry@48b0f77c8c1b1b19cb962f0f00dff7b4be8f81ec # v9
with:
poetry-version: "2.2.0"
- name: Set up Python
uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
with:
python-version: '3.10'
- name: Set up Poetry
uses: Gr1N/setup-poetry@48b0f77c8c1b1b19cb962f0f00dff7b4be8f81ec # v9
with:
poetry-version: "2.2.0"
- name: Install dependencies
run: poetry install

# Job-specifc step(s):
- name: Check MyPy typing
run: poetry run mypy .
- name: Check Pyrefly typing
run: poetry run pyrefly check
2 changes: 1 addition & 1 deletion .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,7 @@ venv.bak/
# mkdocs documentation
/site

# mypy
# Type checkers (mypy, pyrefly)
.mypy_cache/
.dmypy.json
dmypy.json
Expand Down
20 changes: 14 additions & 6 deletions airbyte/_connector_base.py
Original file line number Diff line number Diff line change
Expand Up @@ -405,25 +405,33 @@ def _peek_airbyte_message(
AirbyteConnectorFailedError: If a TRACE message of type ERROR is emitted.
"""
if message.type == Type.LOG:
self._print_info_message(message.log.message)
self._print_info_message(message.log.message) # pyrefly: ignore[missing-attribute]
return

if message.type == Type.TRACE and message.trace.type == TraceType.ERROR:
self._print_error_message(message.trace.error.message)
if (
message.type == Type.TRACE
and message.trace.type == TraceType.ERROR # pyrefly: ignore[missing-attribute]
):
self._print_error_message(
message.trace.error.message # pyrefly: ignore[missing-attribute]
)
if raise_on_error:
raise exc.AirbyteConnectorFailedError(
connector_name=self.name,
message=message.trace.error.message,
message=message.trace.error.message, # pyrefly: ignore[missing-attribute]
log_text=self._last_log_messages,
)
return

if (
message.type == Type.CONTROL
and message.control.type == OrchestratorType.CONNECTOR_CONFIG
and message.control.type # pyrefly: ignore[missing-attribute]
== OrchestratorType.CONNECTOR_CONFIG
and self.config_change_callback is not None
):
self.config_change_callback(message.control.connectorConfig.config)
self.config_change_callback(
message.control.connectorConfig.config # pyrefly: ignore[missing-attribute]
)
return

def _execute(
Expand Down
6 changes: 4 additions & 2 deletions airbyte/_message_iterators.py
Original file line number Diff line number Diff line change
Expand Up @@ -178,7 +178,9 @@ def generator() -> Generator[AirbyteMessage, None, None]:
if current_file_buffer is None:
try:
current_file = next(file_iterator)
current_file_buffer = file_opener(current_file)
current_file_buffer = file_opener(
current_file # pyrefly: ignore[bad-argument-type]
)
except StopIteration:
# No more files to read; Exit the loop
break
Expand All @@ -192,7 +194,7 @@ def generator() -> Generator[AirbyteMessage, None, None]:

try:
# Let Pydantic handle the JSON decoding from the raw string
yield (
yield ( # pyrefly: ignore[invalid-yield]
AirbyteMessage.model_validate_json(next_line),
current_file,
)
Comment on lines +197 to 200
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⚠️ Potential issue | 🔴 Critical

Blocker: Yielding a tuple breaks the iterator contract

AirbyteMessageIterator promises Iterator[AirbyteMessage], but this generator now yields (AirbyteMessage, Path). Every consumer will start receiving tuples instead of messages, so iteration, .read(), etc., will misbehave. Could we keep yielding a single AirbyteMessage, or (if the caller truly needs the path) expand the iterator’s type and update all call sites to handle the tuple? wdyt?

🤖 Prompt for AI Agents
In airbyte/_message_iterators.py around lines 197 to 200 the generator yields a
tuple (AirbyteMessage, Path) which violates the declared
Iterator[AirbyteMessage]; change the generator to yield only the AirbyteMessage
(i.e., yield AirbyteMessage.model_validate_json(next_line)) so consumers still
receive the expected type, and if the file path is required by callers either
(a) attach it to the AirbyteMessage via a new optional attribute before yielding
or (b) create a new iterator type that returns tuples and update all call sites
and type annotations accordingly—prefer option (a) for minimal changes and
preserve existing API.

Expand Down
2 changes: 2 additions & 0 deletions airbyte/_processors/sql/bigquery.py
Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,10 @@
from pathlib import Path
from typing import TYPE_CHECKING, cast, final

import google.auth
import google.oauth2
import sqlalchemy
import sqlalchemy.exc
from google.api_core.exceptions import NotFound
from google.cloud import bigquery
from google.oauth2 import service_account
Expand Down
2 changes: 1 addition & 1 deletion airbyte/_processors/sql/postgres.py
Original file line number Diff line number Diff line change
Expand Up @@ -71,5 +71,5 @@ class PostgresSqlProcessor(SqlProcessorBase):
file_writer_class = JsonlWriter
sql_config: PostgresConfig

normalizer = PostgresNormalizer
normalizer = PostgresNormalizer # pyrefly: ignore[bad-override]
"""A Postgres-specific name normalizer for table and column name normalization."""
4 changes: 3 additions & 1 deletion airbyte/_processors/sql/snowflake.py
Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,9 @@ class SnowflakeSqlProcessor(SqlProcessorBase):
"""A Snowflake implementation of the cache."""

file_writer_class = JsonlWriter
type_converter_class: type[SnowflakeTypeConverter] = SnowflakeTypeConverter
type_converter_class: type[SnowflakeTypeConverter] = ( # pyrefly: ignore[bad-override]
SnowflakeTypeConverter
)
supports_merge_insert = True
sql_config: SnowflakeConfig

Expand Down
8 changes: 4 additions & 4 deletions airbyte/_util/api_util.py
Original file line number Diff line number Diff line change
Expand Up @@ -602,7 +602,7 @@ def create_destination(
)
definition_id_override: str | None = None
if _get_destination_type_str(config) == "dev-null":
# TODO: We have to hard-code the definition ID for dev-null destination. (important-comment)
# TODO: We have to hard-code the definition ID for dev-null destination.
# https://github.com/airbytehq/PyAirbyte/issues/743
definition_id_override = "a7bcc9d8-13b3-4e49-b80d-d020b90045e3"
response: api.CreateDestinationResponse = airbyte_instance.destinations.create_destination(
Expand Down Expand Up @@ -656,9 +656,9 @@ def get_destination(
}

if destination_type in destination_mapping:
response.destination_response.configuration = destination_mapping[destination_type](
**raw_configuration
)
response.destination_response.configuration = destination_mapping[
destination_type # pyrefly: ignore[index-error]
](**raw_configuration)
return response.destination_response

raise AirbyteMissingResourceError(
Expand Down
2 changes: 1 addition & 1 deletion airbyte/_util/meta.py
Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ def get_notebook_name() -> str | None:
@lru_cache
def get_vscode_notebook_name() -> str | None:
with suppress(Exception):
import IPython # noqa: PLC0415
import IPython # noqa: PLC0415 # pyrefly: ignore[import-error]

return Path(
IPython.extract_module_locals()[1]["__vsc_ipynb_file__"],
Expand Down
2 changes: 1 addition & 1 deletion airbyte/_util/name_normalizers.py
Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ class LowerCaseNormalizer(NameNormalizerBase):

@staticmethod
@functools.cache
def normalize(name: str) -> str:
def normalize(name: str) -> str: # pyrefly: ignore[bad-override]
"""Return the normalized name.

- All non-alphanumeric characters are replaced with underscores.
Expand Down
14 changes: 8 additions & 6 deletions airbyte/caches/_catalog_backend.py
Original file line number Diff line number Diff line change
Expand Up @@ -261,13 +261,15 @@ def get_source_catalog_provider(
source_name: str,
) -> CatalogProvider:
if source_name not in self._source_catalogs:
self._source_catalogs[source_name] = CatalogProvider(
configured_catalog=ConfiguredAirbyteCatalog(
streams=self._fetch_streams_info(
source_name=source_name,
table_prefix=self._table_prefix,
self._source_catalogs[source_name] = (
CatalogProvider( # pyrefly: ignore[unsupported-operation]
configured_catalog=ConfiguredAirbyteCatalog(
streams=self._fetch_streams_info(
source_name=source_name,
table_prefix=self._table_prefix,
)
)
)
)

return self._source_catalogs[source_name]
return self._source_catalogs[source_name] # pyrefly: ignore[bad-return]
2 changes: 1 addition & 1 deletion airbyte/caches/base.py
Original file line number Diff line number Diff line change
Expand Up @@ -455,7 +455,7 @@ def _write_airbyte_message_stream(
state_writer=state_writer,
)
cache_processor.process_airbyte_messages(
messages=stdin,
messages=stdin, # pyrefly: ignore[bad-argument-type]
write_strategy=write_strategy,
progress_tracker=progress_tracker,
)
Expand Down
2 changes: 1 addition & 1 deletion airbyte/caches/motherduck.py
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ class MotherDuckConfig(DuckDBConfig):

database: str = Field()
api_key: SecretString = Field()
db_path: str = Field(default="md:")
db_path: str = Field(default="md:") # pyrefly: ignore[bad-override]
_paired_destination_name: str = "destination-motherduck"

@overrides
Expand Down
6 changes: 3 additions & 3 deletions airbyte/cloud/connections.py
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@

from __future__ import annotations

from typing import TYPE_CHECKING, cast
from typing import TYPE_CHECKING

from airbyte._util import api_util
from airbyte.cloud.connectors import CloudDestination, CloudSource
Expand Down Expand Up @@ -102,7 +102,7 @@ def source_id(self) -> str:

self._source_id = self._connection_info.source_id

return cast("str", self._source_id)
return self._source_id

@property
def source(self) -> CloudSource:
Expand All @@ -125,7 +125,7 @@ def destination_id(self) -> str:

self._destination_id = self._connection_info.source_id

return cast("str", self._destination_id)
return self._destination_id

@property
def destination(self) -> CloudDestination:
Expand Down
6 changes: 4 additions & 2 deletions airbyte/cloud/sync_results.py
Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,9 @@ def get_full_log_text(self) -> str:
timestamp = event.get("timestamp", "")
level = event.get("level", "INFO")
message = event.get("message", "")
log_lines.append(f"[{timestamp}] {level}: {message}")
log_lines.append(
f"[{timestamp}] {level}: {message}" # pyrefly: ignore[bad-argument-type]
)
result = "\n".join(log_lines)
elif "logLines" in logs_data:
log_lines = logs_data["logLines"]
Expand Down Expand Up @@ -465,7 +467,7 @@ def stream_names(self) -> list[str]:
@property
def streams(
self,
) -> _SyncResultStreams:
) -> _SyncResultStreams: # pyrefly: ignore[unknown-name]
"""Return a mapping of stream names to `airbyte.CachedDataset` objects.

This is a convenience wrapper around the `stream_names`
Expand Down
2 changes: 1 addition & 1 deletion airbyte/datasets/_sql.py
Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,7 @@ def __init__(
# Coalesce False to None
stream_configuration = stream_configuration or None

super().__init__(stream_metadata=stream_configuration)
super().__init__(stream_metadata=stream_configuration) # pyrefly: ignore[bad-argument-type]

@property
def stream_name(self) -> str:
Expand Down
2 changes: 1 addition & 1 deletion airbyte/destinations/_translate_cache_to_dest.py
Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,7 @@ def snowflake_cache_to_destination_configuration(
role=cache.role,
username=cache.username,
credentials=UsernameAndPassword(
password=cache.password,
password=cache.password, # pyrefly: ignore[bad-argument-type]
),
)

Expand Down
4 changes: 3 additions & 1 deletion airbyte/mcp/local_ops.py
Original file line number Diff line number Diff line change
Expand Up @@ -511,7 +511,9 @@ def get_stream_previews(
)
source.set_config(config_dict)

streams_param: list[str] | Literal["*"] | None = resolve_list_of_strings(streams)
streams_param: list[str] | Literal["*"] | None = resolve_list_of_strings(
streams
) # pyrefly: ignore[no-matching-overload]
if streams_param and len(streams_param) == 1 and streams_param[0] == "*":
streams_param = "*"

Expand Down
9 changes: 6 additions & 3 deletions airbyte/progress.py
Original file line number Diff line number Diff line change
Expand Up @@ -314,8 +314,11 @@ def tally_pending_writes(

update_period = 1 # Reset the update period to 1 before start.

for count, message in enumerate(messages, start=1):
yield message # Yield the message immediately.
for count, message in enumerate( # pyrefly: ignore[bad-assignment]
messages, # pyrefly: ignore[bad-argument-type]
start=1,
):
yield message # pyrefly: ignore[invalid-yield]
if isinstance(message, str):
# This is a string message, not an AirbyteMessage.
# For now at least, we don't need to pay the cost of parsing it.
Expand Down Expand Up @@ -529,7 +532,7 @@ def _log_read_metrics(self) -> None:
perf_metrics["stream_metrics"] = stream_metrics
log_dict["performance_metrics"] = perf_metrics

self._file_logger.info(json.dumps(log_dict))
self._file_logger.info(json.dumps(log_dict)) # pyrefly: ignore[missing-attribute]

perf_logger: BoundLogger = logs.get_global_stats_logger()
perf_logger.info(**log_dict)
Expand Down
2 changes: 1 addition & 1 deletion airbyte/secrets/google_gsm.py
Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ class GSMSecretHandle(SecretHandle):
labels.
"""

parent: GoogleGSMSecretManager
parent: GoogleGSMSecretManager # pyrefly: ignore[bad-override]

def _get_gsm_secret_object(self) -> secretmanager.Secret:
"""Get the `Secret` object from GSM."""
Expand Down
10 changes: 7 additions & 3 deletions airbyte/shared/catalog_providers.py
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,9 @@ def __init__(
Since the catalog is passed by reference, the catalog manager may be updated with new
streams as they are discovered.
"""
self._catalog: ConfiguredAirbyteCatalog = self.validate_catalog(configured_catalog)
self._catalog: ConfiguredAirbyteCatalog = self.validate_catalog(
configured_catalog
) # pyrefly: ignore[bad-assignment]

@staticmethod
def validate_catalog(catalog: ConfiguredAirbyteCatalog) -> None:
Expand All @@ -64,7 +66,7 @@ def validate_catalog(catalog: ConfiguredAirbyteCatalog) -> None:
if stream.sync_id is None:
stream.sync_id = 1 # This should ideally increment monotonically with each sync.

return catalog
return catalog # pyrefly: ignore[bad-return]

@property
def configured_catalog(self) -> ConfiguredAirbyteCatalog:
Expand Down Expand Up @@ -174,7 +176,9 @@ def get_cursor_key(
stream_name: str,
) -> str | None:
"""Return the cursor key for the given stream."""
return self.get_configured_stream_info(stream_name).cursor_field
return self.get_configured_stream_info(
stream_name
).cursor_field # pyrefly: ignore[bad-return]

def resolve_write_method(
self,
Expand Down
3 changes: 2 additions & 1 deletion airbyte/shared/sql_processor.py
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@

import pandas as pd
import sqlalchemy
import sqlalchemy.exc
import ulid
from pandas import Index
from pydantic import BaseModel, Field
Expand Down Expand Up @@ -273,7 +274,7 @@ def process_airbyte_messages(
This method assumes that the catalog is already registered with the processor.
"""
if not isinstance(write_strategy, WriteStrategy):
raise exc.AirbyteInternalError(
raise exc.AirbyteInternalError( # pyrefly: ignore[missing-attribute]
message="Invalid `write_strategy` argument. Expected instance of WriteStrategy.",
context={"write_strategy": write_strategy},
)
Comment on lines +277 to 280
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⚠️ Potential issue | 🔴 Critical

🧩 Analysis chain

Verify the [missing-attribute] suppression on AirbyteInternalError.

Pyrefly is flagging a [missing-attribute] error on the AirbyteInternalError exception (lines 277-280). This could indicate that:

  • The exception class doesn't support the context argument, or
  • Pyrefly's type stubs are incomplete for the exception class.

Consider verifying that AirbyteInternalError supports the message and context arguments, and whether pyrefly is correctly configured to recognize the exception class. If this is a false positive, it might be worth reporting to the pyrefly maintainers, wdyt?

Run the following script to verify the AirbyteInternalError signature:


🏁 Script executed:

#!/bin/bash
# Description: Verify the signature of AirbyteInternalError.

# Search for the class definition of AirbyteInternalError
rg -nP --type=py -C5 'class AirbyteInternalError'

Length of output: 0


Could we locate the definition of AirbyteInternalError across the repo to inspect its constructor signature? wdyt?


🏁 Script executed:

#!/bin/bash
# Locate references and definition of AirbyteInternalError
rg -n 'AirbyteInternalError' -n .

Length of output: 3332


Could we locate the AirbyteInternalError class definition in airbyte/exceptions.py to confirm its __init__ signature (i.e., support for message and context)? wdyt?


🏁 Script executed:

#!/bin/bash
# Search for exception class definitions ending with InternalError
rg -nP 'class .*InternalError' -n airbyte/exceptions.py

Length of output: 49


Undefined exception AirbyteInternalError (airbyte/shared/sql_processor.py:277)
exc.AirbyteInternalError isn’t defined in airbyte.exceptions. Did you mean to use exc.PyAirbyteInternalError? wdyt?

🤖 Prompt for AI Agents
In airbyte/shared/sql_processor.py around lines 277 to 280, the code raises
exc.AirbyteInternalError which is not defined in airbyte.exceptions; change the
raised exception to the correct class (exc.PyAirbyteInternalError) or import the
proper AirbyteInternalError symbol from the module that defines it so the name
exists; update the raise to use exc.PyAirbyteInternalError (or adjust imports)
and run tests to ensure the updated exception is recognized.

Expand Down
11 changes: 7 additions & 4 deletions airbyte/shared/state_providers.py
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@ def state_message_artifacts(
if result is None:
raise exc.PyAirbyteInternalError(message="No state artifacts were declared.")

return result
return result # pyrefly: ignore[bad-return]

@property
def known_stream_names(
Expand Down Expand Up @@ -100,11 +100,14 @@ def get_stream_state(
) -> AirbyteStateMessage:
"""Return the state message for the specified stream name."""
for state_message in self.state_message_artifacts:
if state_message.stream.stream_descriptor.name == stream_name:
return state_message
if (
state_message.stream.stream_descriptor.name # pyrefly: ignore[missing-attribute]
== stream_name
):
return state_message # pyrefly: ignore[bad-return]
Comment on lines +103 to +107
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🛠️ Refactor suggestion | 🟠 Major

These suppressions should become unnecessary after fixing state_message_artifacts.

Once the return type of state_message_artifacts is corrected to Iterable[AirbyteStateMessage] (as suggested in the previous comment), pyrefly should be able to verify that state_message.stream exists and that returning state_message is type-safe. Consider removing the # pyrefly: ignore[...] comments here after that fix, wdyt?

🤖 Prompt for AI Agents
In airbyte/shared/state_providers.py around lines 103 to 107, the two pyrefly
ignore comments are masking a typing mismatch caused by state_message_artifacts
having an incorrect return type; update state_message_artifacts to return
Iterable[AirbyteStateMessage] (and adjust any imports/annotations) so pyrefly
can infer that state_message has a .stream attribute and that returning
state_message is type-safe, then remove the "# pyrefly:
ignore[missing-attribute]" and "# pyrefly: ignore[bad-return]" comments from
these lines.


if not_found != "raise":
return not_found
return not_found # pyrefly: ignore[bad-return]

raise exc.AirbyteStateNotFoundError(
message="State message not found.",
Expand Down
5 changes: 4 additions & 1 deletion airbyte/sources/base.py
Original file line number Diff line number Diff line change
Expand Up @@ -924,7 +924,10 @@ def _read_to_cache( # noqa: PLR0913 # Too many arguments
message="Invalid strategy",
context={
"write_strategy": write_strategy,
"available_strategies": [s.value for s in WriteStrategy],
"available_strategies": [
s.value
for s in WriteStrategy # pyrefly: ignore[not-iterable]
],
},
) from None

Expand Down
1 change: 1 addition & 0 deletions airbyte/types.py
Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,7 @@ def to_sql_type( # noqa: PLR0911 # Too many return statements
except SQLTypeConversionError:
print(f"Could not determine airbyte type from JSON schema: {json_schema_property_def}")
except KeyError:
# pyrefly: ignore[unbound-name]
print(f"Could not find SQL type for airbyte type: {airbyte_type}")
else:
# No exceptions were raised, so we can return the SQL type.
Expand Down
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