feat(drivers): refactor drivers

[ocervell]

We would like to remove hooks/ and replace it with drivers/ directory to align better with what we call them in the docs, and make a few changes to drivers:

• A driver should be a class like:

class GCSDriver(object):

    def __init__(self, bucket_name=CONFIG.addons.gcs.bucket_name):
          self.bucket_name = bucket_name

    @property
    def hooks(self):
         return {
           Task: {
               'on_item': [self.on_item]
            },
        }

    def check(self) -> Boolean:
         # check we can read / write to the bucket
         return True

    def on_item(self, runner, item):
         # existing process_item code
         return item

    def upload_blob(self, source_file_name, destination_blob_name):
          # existing upload blob code, adjust with self stuff
    ...

• A runner should be instanciated like:

gcs_driver = GCSDriver(bucket_name='test_bucket')
runner = Runner(<existing_params>, drivers=[gcs_driver])

• and the CLI existing command wouldn't change from what it is now:

secator x httpx --driver gcs <TARGET>

@claude please investigate and implement this. Consider the case where the runner instance is passed to a remote worker: will it serialize properly or not ?

[claude]

Claude finished @ocervell's task in 15m 59s —— View job • claude/issue-1127-20260605-1504 • Create PR ➔

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Implementation Complete

• Gather context and understand the codebase structure
• Analyze current hooks/ implementation
• Design Driver class pattern and serialization strategy
• Create secator/drivers/_base.py with Driver base class
• Create secator/drivers/gcs.py — GCSDriver class
• Create secator/drivers/mongodb.py — MongoDBDriver class
• Create secator/drivers/api.py — ApiDriver class
• Create secator/drivers/discord.py — DiscordDriver class
• Create secator/drivers/__init__.py with lazy DRIVER_REGISTRY
• Update secator/runners/_base.py — accept drivers=[], extract hooks from drivers
• Update secator/cli_helper.py — instantiate driver classes instead of importing HOOKS dicts
• Update secator/hooks/*.py — thin backward-compat shims importing from drivers/
• Update secator/celery.py — start_runner accepts drivers=[], task routes updated
• Update secator/loader.py — get_driver_instance() with lazy imports
• Commit and push

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What was implemented

New secator/drivers/ package with the class-based pattern from the issue:

# Instantiation
gcs_driver = GCSDriver(bucket_name='test_bucket')
runner = Runner(config, inputs, drivers=[gcs_driver])

# CLI stays the same
secator x httpx --driver gcs <TARGET>

Each driver class follows the requested pattern:

class GCSDriver(Driver):
    def __init__(self, bucket_name=None):
        self.bucket_name = bucket_name or CONFIG.addons.gcs.bucket_name

    @property
    def hooks(self):
        return {Task: {'on_item': [self.on_item]}}

    def check(self) -> bool:
        return bool(self.bucket_name)

    def on_item(self, runner, item):
        ...  # existing GCS upload logic

secator/hooks/*.py files are now thin backward-compatibility shims that instantiate the driver and expose its HOOKS dict — existing external code importing from secator.hooks.* continues to work.

loader.py gains a get_driver_instance(name) function used by the CLI and extensible for external drivers.

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Serialization answer

Yes, driver instances serialize properly to remote Celery workers:

1. Driver __init__ args are primitive types (str, int, etc.) → fully picklable
2. Module-level DB/GCS clients (_mongodb_client, _gcs_client) are not stored on the instance → not pickled
3. Python 3 bound methods (self.on_item) are picklable — pickle stores (GCSDriver_instance, 'on_item') and reconstructs on the worker by importing the class and recreating the instance with the saved config

The hook extraction flow:

• Sync: Runner(drivers=[gcs_driver]) → extracts gcs_driver.hooks → registers bound methods directly
• Celery dispatch: opts['hooks'] = self._hooks.get(Task, {}) includes bound methods → pickled
• Worker: unpickles bound methods (importing driver class, recreating instance) → hooks run correctly
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