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https://github.com/searxng/searxng
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[refactor] make group_engines_in_tab more readable
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@ -6,12 +6,13 @@ import hmac
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import re
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import inspect
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import itertools
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from typing import Iterable, List, Tuple
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from io import StringIO
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from codecs import getincrementalencoder
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from searx import logger, settings
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from searx.engines import OTHER_CATEGORY
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from searx.engines import Engine, OTHER_CATEGORY
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VALID_LANGUAGE_CODE = re.compile(r'^[a-z]{2,3}(-[a-zA-Z]{2})?$')
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@ -141,21 +142,21 @@ def is_flask_run_cmdline():
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DEFAULT_GROUP_NAME = 'others'
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def group_engines_in_tab(engines):
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def engine_sort_key(engine):
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return (engine.about.get('language', ''), engine.name)
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def group_sort_key(group):
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return (group[0] == DEFAULT_GROUP_NAME, group[0].lower())
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def group_engines_in_tab(engines: Iterable[Engine]) -> List[Tuple[str, Iterable[Engine]]]:
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"""Groups an Iterable of engines by their first non tab category"""
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def get_group(eng):
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non_tab_categories = [c for c in eng.categories if c not in settings['categories_as_tabs'] + [OTHER_CATEGORY]]
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return non_tab_categories[0] if len(non_tab_categories) > 0 else DEFAULT_GROUP_NAME
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return [
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(groupname, sorted(engines, key=engine_sort_key))
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for groupname, engines in sorted(
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((name, list(engines)) for name, engines in itertools.groupby(sorted(engines, key=get_group), get_group)),
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key=group_sort_key,
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)
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]
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groups = itertools.groupby(sorted(engines, key=get_group), get_group)
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def group_sort_key(group):
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return (group[0] == DEFAULT_GROUP_NAME, group[0].lower())
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sorted_groups = sorted(((name, list(engines)) for name, engines in groups), key=group_sort_key)
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def engine_sort_key(engine):
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return (engine.about.get('language', ''), engine.name)
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return [(groupname, sorted(engines, key=engine_sort_key)) for groupname, engines in sorted_groups]
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