mirror of
https://github.com/searxng/searxng
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54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""Implement request processores used by engine-types.
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"""
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__all__ = [
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'EngineProcessor',
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'OfflineProcessor',
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'OnlineProcessor',
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'OnlineDictionaryProcessor',
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'OnlineCurrencyProcessor',
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'processors',
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]
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from searx import logger
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import searx.engines as engines
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from .online import OnlineProcessor
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from .offline import OfflineProcessor
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from .online_dictionary import OnlineDictionaryProcessor
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from .online_currency import OnlineCurrencyProcessor
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from .abstract import EngineProcessor
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logger = logger.getChild('search.processors')
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processors = {}
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"""Cache request processores, stored by *engine-name* (:py:func:`initialize`)"""
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def get_processor_class(engine_type):
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"""Return processor class according to the ``engine_type``"""
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for c in [OnlineProcessor, OfflineProcessor, OnlineDictionaryProcessor, OnlineCurrencyProcessor]:
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if c.engine_type == engine_type:
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return c
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return None
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def get_processor(engine, engine_name):
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"""Return processor instance that fits to ``engine.engine.type``)"""
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engine_type = getattr(engine, 'engine_type', 'online')
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processor_class = get_processor_class(engine_type)
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if processor_class:
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return processor_class(engine, engine_name)
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return None
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def initialize(engine_list):
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"""Initialize all engines and store a processor for each engine in :py:obj:`processors`."""
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engines.initialize_engines(engine_list)
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for engine_name, engine in engines.engines.items():
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processor = get_processor(engine, engine_name)
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if processor is None:
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logger.error('Error get processor for engine %s', engine_name)
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else:
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processors[engine_name] = processor
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