chore: Code quality improvements (#103)

Author: jirimoravcik

pyproject.toml

@@ -53,6 +53,7 @@ dev = [
     "flake8-noqa ~= 1.3.1",
     "flake8-pytest-style ~= 1.7.2",
     "flake8-quotes ~= 3.3.2",
+    "flake8-simplify ~= 0.20.0",
     "flake8-unused-arguments ~= 0.0.13",
     "isort ~= 5.12.0",
     "mypy ~= 1.3.0",

src/apify/_memory_storage/memory_storage_client.py

@@ -1,4 +1,5 @@
 import asyncio
+import contextlib
 import os
 from pathlib import Path
 from typing import List, Optional
@@ -167,11 +168,8 @@ async def _handle_default_key_value_store(self, folder: str) -> None:
             for entity in possible_input_keys:
                 original_file_path = os.path.join(folder, entity)
                 temp_file_path = os.path.join(temporary_path, entity)
-                try:
+                with contextlib.suppress(Exception):
                     await rename(original_file_path, temp_file_path)
-                except Exception:
-                    # Ignore
-                    pass
 
             # Remove the original folder and all its content
             counter = 0

src/apify/_memory_storage/resource_clients/base_resource_client.py

@@ -93,24 +93,23 @@ def _find_or_create_client_by_id_or_name(
                 storage_path = possible_storage_path
 
         # If it's not found, try going through the storages dir and finding it by metadata
-        if not storage_path:
-            if os.access(storages_dir, os.F_OK):
-                for entry in os.scandir(storages_dir):
-                    if not entry.is_dir():
-                        continue
-                    metadata_path = os.path.join(entry.path, '__metadata__.json')
-                    if not os.access(metadata_path, os.F_OK):
-                        continue
-                    with open(metadata_path, encoding='utf-8') as metadata_file:
-                        metadata = json.load(metadata_file)
-                    if id and id == metadata.get('id'):
-                        storage_path = entry.path
-                        name = metadata.get(name)
-                        break
-                    if name and name == metadata.get('name'):
-                        storage_path = entry.path
-                        id = metadata.get(id)
-                        break
+        if not storage_path and os.access(storages_dir, os.F_OK):
+            for entry in os.scandir(storages_dir):
+                if not entry.is_dir():
+                    continue
+                metadata_path = os.path.join(entry.path, '__metadata__.json')
+                if not os.access(metadata_path, os.F_OK):
+                    continue
+                with open(metadata_path, encoding='utf-8') as metadata_file:
+                    metadata = json.load(metadata_file)
+                if id and id == metadata.get('id'):
+                    storage_path = entry.path
+                    name = metadata.get(name)
+                    break
+                if name and name == metadata.get('name'):
+                    storage_path = entry.path
+                    id = metadata.get(id)
+                    break
 
         # As a last resort, try to check if the accessed storage is the default one,
         # and the folder has no metadata

src/apify/_memory_storage/resource_clients/key_value_store.py

@@ -313,9 +313,8 @@ async def set_record(self, key: str, value: Any, content_type: Optional[str] = N
             existing_store_by_id._records[key] = record
 
             if self._memory_storage_client._persist_storage:
-                if old_record is not None:
-                    if _filename_from_record(old_record) != _filename_from_record(record):
-                        await existing_store_by_id._delete_persisted_record(old_record)
+                if old_record is not None and _filename_from_record(old_record) != _filename_from_record(record):
+                    await existing_store_by_id._delete_persisted_record(old_record)
 
                 await existing_store_by_id._persist_record(record)
 

src/apify/_utils.py

@@ -180,10 +180,8 @@ def _get_memory_usage_bytes() -> int:
     current_process = psutil.Process(os.getpid())
     mem = int(current_process.memory_info().rss or 0)
     for child in current_process.children(recursive=True):
-        try:
+        with contextlib.suppress(psutil.NoSuchProcess):
             mem += int(child.memory_info().rss or 0)
-        except psutil.NoSuchProcess:
-            pass
     return mem
 
 

src/apify/actor.py

@@ -1,4 +1,5 @@
 import asyncio
+import contextlib
 import inspect
 import logging
 import os
@@ -271,28 +272,22 @@ async def _respond_to_migrating_event(self, _event_data: Any) -> None:
         # Don't emit any more regular persist state events
         if self._send_persist_state_interval_task and not self._send_persist_state_interval_task.cancelled():
             self._send_persist_state_interval_task.cancel()
-            try:
+            with contextlib.suppress(asyncio.CancelledError):
                 await self._send_persist_state_interval_task
-            except asyncio.CancelledError:
-                pass
 
         self._event_manager.emit(ActorEventTypes.PERSIST_STATE, {'isMigrating': True})
         self._was_final_persist_state_emitted = True
 
     async def _cancel_event_emitting_intervals(self) -> None:
         if self._send_persist_state_interval_task and not self._send_persist_state_interval_task.cancelled():
             self._send_persist_state_interval_task.cancel()
-            try:
+            with contextlib.suppress(asyncio.CancelledError):
                 await self._send_persist_state_interval_task
-            except asyncio.CancelledError:
-                pass
 
         if self._send_system_info_interval_task and not self._send_system_info_interval_task.cancelled():
             self._send_system_info_interval_task.cancel()
-            try:
+            with contextlib.suppress(asyncio.CancelledError):
                 await self._send_system_info_interval_task
-            except asyncio.CancelledError:
-                pass
 
     @classmethod
     async def exit(
@@ -1299,8 +1294,8 @@ async def _create_proxy_configuration_internal(
 
         if actor_proxy_input is not None:
             if actor_proxy_input.get('useApifyProxy', False):
-                country_code = country_code or actor_proxy_input.get('apifyProxyCountry', None)
-                groups = groups or actor_proxy_input.get('apifyProxyGroups', None)
+                country_code = country_code or actor_proxy_input.get('apifyProxyCountry')
+                groups = groups or actor_proxy_input.get('apifyProxyGroups')
             else:
                 proxy_urls = actor_proxy_input.get('proxyUrls', [])
                 if not proxy_urls:

src/apify/event_manager.py

@@ -1,4 +1,5 @@
 import asyncio
+import contextlib
 import inspect
 import json
 from collections import defaultdict
@@ -200,10 +201,8 @@ async def _wait_for_listeners() -> None:
                 logger.warning('Timed out waiting for event listeners to complete, unfinished event listeners will be canceled')
                 for pending_task in pending:
                     pending_task.cancel()
-                    try:
+                    with contextlib.suppress(asyncio.CancelledError):
                         await pending_task
-                    except asyncio.CancelledError:
-                        pass
         else:
             await _wait_for_listeners()
 

src/apify/storages/base_storage.py

@@ -131,9 +131,8 @@ async def open(
             return cast(Self, cached_storage)
 
         # Purge default storages if configured
-        if used_config.purge_on_start:
-            if isinstance(used_client, MemoryStorageClient):
-                await used_client._purge_on_start()
+        if used_config.purge_on_start and isinstance(used_client, MemoryStorageClient):
+            await used_client._purge_on_start()
 
         assert cls._storage_creating_lock is not None
         async with cls._storage_creating_lock:

tests/unit/actor/test_actor_lifecycle.py

@@ -1,4 +1,5 @@
 import asyncio
+import contextlib
 from datetime import datetime
 from typing import Any, Callable
 from unittest.mock import AsyncMock
@@ -86,12 +87,10 @@ async def test_with_actor_fail(self) -> None:
         assert my_actor._is_initialized is False
 
     async def test_with_actor_failed(self) -> None:
-        try:
+        with contextlib.suppress(Exception):
             async with Actor() as my_actor:
                 assert my_actor._is_initialized
                 raise Exception('Failed')
-        except Exception:
-            pass
         assert my_actor._is_initialized is False
 
     async def test_raise_on_fail_without_init(self) -> None:

tests/unit/actor/test_actor_log.py

@@ -1,3 +1,4 @@
+import contextlib
 import logging
 import sys
 
@@ -11,7 +12,7 @@
 class TestActorLog:
     async def test_actor_log(self, caplog: pytest.LogCaptureFixture) -> None:
         caplog.set_level(logging.DEBUG, logger='apify')
-        try:
+        with contextlib.suppress(RuntimeError):
             async with Actor:
                 # Test Actor.log
                 Actor.log.debug('Debug message')
@@ -32,8 +33,6 @@ async def test_actor_log(self, caplog: pytest.LogCaptureFixture) -> None:
 
                 # Test that exception in Actor.main is logged with the traceback
                 raise RuntimeError('Dummy RuntimeError')
-        except RuntimeError:
-            pass
 
         assert len(caplog.records) == 12