mirror of
https://github.com/searxng/searxng.git
synced 2024-08-22 06:10:16 +02:00
commit
9b27935f71
@ -33,7 +33,7 @@ Engine .. Paging support **P**
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------------------------- -------------------- ------------
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Shortcut **S** Language support **L**
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Timeout **TO** Time range support **TR**
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Disabled **D** Offline **O**
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Disabled **D** Engine type **ET**
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------------- ----------- -------------------- ------------
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Safe search **SS**
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------------- ----------- ---------------------------------
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@ -62,10 +62,10 @@ Show errors **DE**
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- SS
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- D
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- TR
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- O
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- W
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- D
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- DE
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- ET
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- W
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- D
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- DE
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{% for name, mod in engines.items() %}
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@ -79,7 +79,7 @@ Show errors **DE**
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- {{(mod.safesearch and "y") or ""}}
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- {{(mod.disabled and "y") or ""}}
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- {{(mod.time_range_support and "y") or ""}}
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- {{(mod.offline and "y") or ""}}
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- {{mod.engine_type or ""}}
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- {{mod.weight or 1 }}
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- {{(mod.disabled and "y") or ""}}
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- {{(mod.display_error_messages and "y") or ""}}
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@ -37,15 +37,16 @@ settings. However, the standard way is the following:
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engine file
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-----------
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======================= =========== ===========================================
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======================= =========== ========================================================
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argument type information
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======================= =========== ===========================================
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======================= =========== ========================================================
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categories list pages, in which the engine is working
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paging boolean support multible pages
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language_support boolean support language choosing
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time_range_support boolean support search time range
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offline boolean engine runs offline
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======================= =========== ===========================================
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engine_type str ``online`` by default, other possibles values are
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``offline``, ``online_dictionnary``, ``online_currency``
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======================= =========== ========================================================
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.. _engine settings:
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@ -111,22 +112,49 @@ passed arguments
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These arguments can be used to construct the search query. Furthermore,
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parameters with default value can be redefined for special purposes.
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If the ``engine_type`` is ``online```:
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====================== ============== ========================================================================
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argument type default-value, information
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====================== ============== ========================================================================
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url str ``''``
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method str ``'GET'``
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headers set ``{}``
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data set ``{}``
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cookies set ``{}``
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verify bool ``True``
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headers.User-Agent str a random User-Agent
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category str current category, like ``'general'``
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safesearch int ``0``, between ``0`` and ``2`` (normal, moderate, strict)
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time_range Optional[str] ``None``, can be ``day``, ``week``, ``month``, ``year``
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pageno int current pagenumber
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language str specific language code like ``'en_US'``, or ``'all'`` if unspecified
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====================== ============== ========================================================================
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If the ``engine_type`` is ``online_dictionnary```, in addition to the ``online`` arguments:
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====================== ============ ========================================================================
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argument type default-value, information
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====================== ============ ========================================================================
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url string ``''``
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method string ``'GET'``
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headers set ``{}``
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data set ``{}``
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cookies set ``{}``
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verify boolean ``True``
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headers.User-Agent string a random User-Agent
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category string current category, like ``'general'``
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started datetime current date-time
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pageno int current pagenumber
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language string specific language code like ``'en_US'``, or ``'all'`` if unspecified
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from_lang str specific language code like ``'en_US'``
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to_lang str specific language code like ``'en_US'``
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query str the text query without the languages
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====================== ============ ========================================================================
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If the ``engine_type`` is ``online_currency```, in addition to the ``online`` arguments:
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====================== ============ ========================================================================
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argument type default-value, information
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====================== ============ ========================================================================
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amount float the amount to convert
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from str ISO 4217 code
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to str ISO 4217 code
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from_name str currency name
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to_name str currency name
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====================== ============ ========================================================================
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parsed arguments
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----------------
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@ -137,12 +165,12 @@ request:
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=================== =========== ==========================================================================
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argument type information
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=================== =========== ==========================================================================
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url string requested url
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method string HTTP request method
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url str requested url
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method str HTTP request method
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headers set HTTP header information
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data set HTTP data information (parsed if ``method != 'GET'``)
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data set HTTP data information
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cookies set HTTP cookies
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verify boolean Performing SSL-Validity check
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verify bool Performing SSL-Validity check
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max_redirects int maximum redirects, hard limit
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soft_max_redirects int maximum redirects, soft limit. Record an error but don't stop the engine
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raise_for_httperror bool True by default: raise an exception if the HTTP code of response is >= 300
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@ -53,7 +53,7 @@ engine_default_args = {'paging': False,
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'suspend_end_time': 0,
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'continuous_errors': 0,
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'time_range_support': False,
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'offline': False,
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'engine_type': 'online',
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'display_error_messages': True,
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'tokens': []}
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@ -142,7 +142,9 @@ def load_engine(engine_data):
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'errors': 0
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}
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if not engine.offline:
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engine_type = getattr(engine, 'engine_type', 'online')
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if engine_type != 'offline':
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engine.stats['page_load_time'] = 0
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engine.stats['page_load_count'] = 0
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@ -209,7 +211,7 @@ def get_engines_stats(preferences):
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else:
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score = score_per_result = 0.0
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if not engine.offline:
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if engine.engine_type != 'offline':
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load_times = 0
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if engine.stats['page_load_count'] != 0:
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load_times = engine.stats['page_load_time'] / float(engine.stats['page_load_count']) # noqa
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@ -300,7 +302,7 @@ def initialize_engines(engine_list):
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def _set_https_support_for_engine(engine):
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# check HTTPS support if it is not disabled
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if not engine.offline and not hasattr(engine, 'https_support'):
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if engine.engine_type != 'offline' and not hasattr(engine, 'https_support'):
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params = engine.request('http_test', {
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'method': 'GET',
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'headers': {},
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@ -23,7 +23,7 @@ from threading import Thread
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from searx import logger
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offline = True
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engine_type = 'offline'
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paging = True
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command = []
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delimiter = {}
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@ -1,54 +1,16 @@
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import json
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import re
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import unicodedata
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from searx.data import CURRENCIES # NOQA
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engine_type = 'online_currency'
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categories = []
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url = 'https://duckduckgo.com/js/spice/currency/1/{0}/{1}'
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weight = 100
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parser_re = re.compile('.*?(\\d+(?:\\.\\d+)?) ([^.0-9]+) (?:in|to) ([^.0-9]+)', re.I)
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https_support = True
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def normalize_name(name):
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name = name.lower().replace('-', ' ').rstrip('s')
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name = re.sub(' +', ' ', name)
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return unicodedata.normalize('NFKD', name).lower()
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def name_to_iso4217(name):
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global CURRENCIES
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name = normalize_name(name)
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currency = CURRENCIES['names'].get(name, [name])
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return currency[0]
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def iso4217_to_name(iso4217, language):
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global CURRENCIES
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return CURRENCIES['iso4217'].get(iso4217, {}).get(language, iso4217)
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def request(query, params):
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m = parser_re.match(query)
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if not m:
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# wrong query
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return params
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amount, from_currency, to_currency = m.groups()
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amount = float(amount)
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from_currency = name_to_iso4217(from_currency.strip())
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to_currency = name_to_iso4217(to_currency.strip())
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params['url'] = url.format(from_currency, to_currency)
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params['amount'] = amount
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params['from'] = from_currency
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params['to'] = to_currency
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params['from_name'] = iso4217_to_name(from_currency, 'en')
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params['to_name'] = iso4217_to_name(to_currency, 'en')
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params['url'] = url.format(params['from'], params['to'])
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return params
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@ -9,36 +9,24 @@
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@parse url, title, content
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"""
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import re
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from urllib.parse import urljoin
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from lxml import html
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from searx.utils import is_valid_lang, eval_xpath
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from searx.utils import eval_xpath
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engine_type = 'online_dictionnary'
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categories = ['general']
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url = 'https://dictzone.com/{from_lang}-{to_lang}-dictionary/{query}'
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weight = 100
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parser_re = re.compile('.*?([a-z]+)-([a-z]+) ([^ ]+)$', re.I)
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results_xpath = './/table[@id="r"]/tr'
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https_support = True
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def request(query, params):
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m = parser_re.match(query)
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if not m:
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return params
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from_lang, to_lang, query = m.groups()
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from_lang = is_valid_lang(from_lang)
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to_lang = is_valid_lang(to_lang)
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if not from_lang or not to_lang:
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return params
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params['url'] = url.format(from_lang=from_lang[2],
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to_lang=to_lang[2],
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query=query)
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params['url'] = url.format(from_lang=params['from_lang'][2],
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to_lang=params['to_lang'][2],
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query=params['query'])
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return params
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@ -8,44 +8,26 @@
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@stable yes
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@parse url, title, content
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"""
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import re
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from searx.utils import is_valid_lang
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engine_type = 'online_dictionnary'
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categories = ['general']
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url = 'https://api.mymemory.translated.net/get?q={query}&langpair={from_lang}|{to_lang}{key}'
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web_url = 'https://mymemory.translated.net/en/{from_lang}/{to_lang}/{query}'
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weight = 100
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https_support = True
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parser_re = re.compile('.*?([a-z]+)-([a-z]+) (.{2,})$', re.I)
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api_key = ''
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def request(query, params):
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m = parser_re.match(query)
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if not m:
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return params
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from_lang, to_lang, query = m.groups()
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from_lang = is_valid_lang(from_lang)
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to_lang = is_valid_lang(to_lang)
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if not from_lang or not to_lang:
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return params
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if api_key:
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key_form = '&key=' + api_key
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else:
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key_form = ''
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params['url'] = url.format(from_lang=from_lang[1],
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to_lang=to_lang[1],
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query=query,
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params['url'] = url.format(from_lang=params['from_lang'][1],
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to_lang=params['to_lang'][1],
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query=params['query'],
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key=key_form)
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params['query'] = query
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params['from_lang'] = from_lang
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params['to_lang'] = to_lang
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return params
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|
541
searx/search.py
541
searx/search.py
@ -1,541 +0,0 @@
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'''
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searx is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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searx is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with searx. If not, see < http://www.gnu.org/licenses/ >.
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(C) 2013- by Adam Tauber, <asciimoo@gmail.com>
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'''
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import typing
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import gc
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import threading
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from time import time
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from uuid import uuid4
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from urllib.parse import urlparse
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from _thread import start_new_thread
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import requests.exceptions
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import searx.poolrequests as requests_lib
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from searx.engines import engines, settings
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from searx.answerers import ask
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from searx.external_bang import get_bang_url
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from searx.utils import gen_useragent
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from searx.results import ResultContainer
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from searx import logger
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from searx.plugins import plugins
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from searx.exceptions import (SearxEngineAccessDeniedException, SearxEngineCaptchaException,
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SearxEngineTooManyRequestsException,)
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from searx.metrology.error_recorder import record_exception, record_error
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logger = logger.getChild('search')
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max_request_timeout = settings.get('outgoing', {}).get('max_request_timeout' or None)
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if max_request_timeout is None:
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logger.info('max_request_timeout={0}'.format(max_request_timeout))
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else:
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if isinstance(max_request_timeout, float):
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logger.info('max_request_timeout={0} second(s)'.format(max_request_timeout))
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else:
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logger.critical('outgoing.max_request_timeout if defined has to be float')
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import sys
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sys.exit(1)
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class EngineRef:
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__slots__ = 'name', 'category', 'from_bang'
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def __init__(self, name: str, category: str, from_bang: bool=False):
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self.name = name
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self.category = category
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self.from_bang = from_bang
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def __repr__(self):
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return "EngineRef({!r}, {!r}, {!r})".format(self.name, self.category, self.from_bang)
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def __eq__(self, other):
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return self.name == other.name and self.category == other.category and self.from_bang == other.from_bang
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class SearchQuery:
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"""container for all the search parameters (query, language, etc...)"""
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__slots__ = 'query', 'engineref_list', 'categories', 'lang', 'safesearch', 'pageno', 'time_range',\
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'timeout_limit', 'external_bang'
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def __init__(self,
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query: str,
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engineref_list: typing.List[EngineRef],
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categories: typing.List[str],
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lang: str,
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safesearch: int,
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pageno: int,
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time_range: typing.Optional[str],
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timeout_limit: typing.Optional[float]=None,
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external_bang: typing.Optional[str]=None):
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self.query = query
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self.engineref_list = engineref_list
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self.categories = categories
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self.lang = lang
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self.safesearch = safesearch
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self.pageno = pageno
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self.time_range = time_range
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self.timeout_limit = timeout_limit
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self.external_bang = external_bang
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def __repr__(self):
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return "SearchQuery({!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r})".\
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format(self.query, self.engineref_list, self.categories, self.lang, self.safesearch,
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self.pageno, self.time_range, self.timeout_limit, self.external_bang)
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def __eq__(self, other):
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return self.query == other.query\
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and self.engineref_list == other.engineref_list\
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and self.categories == self.categories\
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and self.lang == other.lang\
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and self.safesearch == other.safesearch\
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and self.pageno == other.pageno\
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and self.time_range == other.time_range\
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and self.timeout_limit == other.timeout_limit\
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and self.external_bang == other.external_bang
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def send_http_request(engine, request_params):
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# create dictionary which contain all
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# informations about the request
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request_args = dict(
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headers=request_params['headers'],
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cookies=request_params['cookies'],
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verify=request_params['verify'],
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auth=request_params['auth']
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)
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# setting engine based proxies
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if hasattr(engine, 'proxies'):
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request_args['proxies'] = requests_lib.get_proxies(engine.proxies)
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# max_redirects
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max_redirects = request_params.get('max_redirects')
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if max_redirects:
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request_args['max_redirects'] = max_redirects
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# soft_max_redirects
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soft_max_redirects = request_params.get('soft_max_redirects', max_redirects or 0)
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# raise_for_status
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request_args['raise_for_httperror'] = request_params.get('raise_for_httperror', False)
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# specific type of request (GET or POST)
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if request_params['method'] == 'GET':
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req = requests_lib.get
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else:
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req = requests_lib.post
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request_args['data'] = request_params['data']
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# send the request
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response = req(request_params['url'], **request_args)
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# check soft limit of the redirect count
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if len(response.history) > soft_max_redirects:
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# unexpected redirect : record an error
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# but the engine might still return valid results.
|
||||
status_code = str(response.status_code or '')
|
||||
reason = response.reason or ''
|
||||
hostname = str(urlparse(response.url or '').netloc)
|
||||
record_error(engine.name,
|
||||
'{} redirects, maximum: {}'.format(len(response.history), soft_max_redirects),
|
||||
(status_code, reason, hostname))
|
||||
|
||||
return response
|
||||
|
||||
|
||||
def search_one_http_request(engine, query, request_params):
|
||||
# update request parameters dependent on
|
||||
# search-engine (contained in engines folder)
|
||||
engine.request(query, request_params)
|
||||
|
||||
# ignoring empty urls
|
||||
if request_params['url'] is None:
|
||||
return None
|
||||
|
||||
if not request_params['url']:
|
||||
return None
|
||||
|
||||
# send request
|
||||
response = send_http_request(engine, request_params)
|
||||
|
||||
# parse the response
|
||||
response.search_params = request_params
|
||||
return engine.response(response)
|
||||
|
||||
|
||||
def search_one_http_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
|
||||
# set timeout for all HTTP requests
|
||||
requests_lib.set_timeout_for_thread(timeout_limit, start_time=start_time)
|
||||
# reset the HTTP total time
|
||||
requests_lib.reset_time_for_thread()
|
||||
|
||||
#
|
||||
engine = engines[engine_name]
|
||||
|
||||
# suppose everything will be alright
|
||||
requests_exception = False
|
||||
suspended_time = None
|
||||
|
||||
try:
|
||||
# send requests and parse the results
|
||||
search_results = search_one_http_request(engine, query, request_params)
|
||||
|
||||
# check if the engine accepted the request
|
||||
if search_results is not None:
|
||||
# yes, so add results
|
||||
result_container.extend(engine_name, search_results)
|
||||
|
||||
# update engine time when there is no exception
|
||||
engine_time = time() - start_time
|
||||
page_load_time = requests_lib.get_time_for_thread()
|
||||
result_container.add_timing(engine_name, engine_time, page_load_time)
|
||||
with threading.RLock():
|
||||
engine.stats['engine_time'] += engine_time
|
||||
engine.stats['engine_time_count'] += 1
|
||||
# update stats with the total HTTP time
|
||||
engine.stats['page_load_time'] += page_load_time
|
||||
engine.stats['page_load_count'] += 1
|
||||
except Exception as e:
|
||||
record_exception(engine_name, e)
|
||||
|
||||
# Timing
|
||||
engine_time = time() - start_time
|
||||
page_load_time = requests_lib.get_time_for_thread()
|
||||
result_container.add_timing(engine_name, engine_time, page_load_time)
|
||||
|
||||
# Record the errors
|
||||
with threading.RLock():
|
||||
engine.stats['errors'] += 1
|
||||
|
||||
if (issubclass(e.__class__, requests.exceptions.Timeout)):
|
||||
result_container.add_unresponsive_engine(engine_name, 'HTTP timeout')
|
||||
# requests timeout (connect or read)
|
||||
logger.error("engine {0} : HTTP requests timeout"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(engine_name, engine_time, timeout_limit, e.__class__.__name__))
|
||||
requests_exception = True
|
||||
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
|
||||
result_container.add_unresponsive_engine(engine_name, 'HTTP error')
|
||||
# other requests exception
|
||||
logger.exception("engine {0} : requests exception"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(engine_name, engine_time, timeout_limit, e))
|
||||
requests_exception = True
|
||||
elif (issubclass(e.__class__, SearxEngineCaptchaException)):
|
||||
result_container.add_unresponsive_engine(engine_name, 'CAPTCHA required')
|
||||
logger.exception('engine {0} : CAPTCHA')
|
||||
suspended_time = e.suspended_time # pylint: disable=no-member
|
||||
elif (issubclass(e.__class__, SearxEngineTooManyRequestsException)):
|
||||
result_container.add_unresponsive_engine(engine_name, 'too many requests')
|
||||
logger.exception('engine {0} : Too many requests')
|
||||
suspended_time = e.suspended_time # pylint: disable=no-member
|
||||
elif (issubclass(e.__class__, SearxEngineAccessDeniedException)):
|
||||
result_container.add_unresponsive_engine(engine_name, 'blocked')
|
||||
logger.exception('engine {0} : Searx is blocked')
|
||||
suspended_time = e.suspended_time # pylint: disable=no-member
|
||||
else:
|
||||
result_container.add_unresponsive_engine(engine_name, 'unexpected crash')
|
||||
# others errors
|
||||
logger.exception('engine {0} : exception : {1}'.format(engine_name, e))
|
||||
else:
|
||||
if getattr(threading.current_thread(), '_timeout', False):
|
||||
record_error(engine_name, 'Timeout')
|
||||
|
||||
# suspend the engine if there is an HTTP error
|
||||
# or suspended_time is defined
|
||||
with threading.RLock():
|
||||
if requests_exception or suspended_time:
|
||||
# update continuous_errors / suspend_end_time
|
||||
engine.continuous_errors += 1
|
||||
if suspended_time is None:
|
||||
suspended_time = min(settings['search']['max_ban_time_on_fail'],
|
||||
engine.continuous_errors * settings['search']['ban_time_on_fail'])
|
||||
engine.suspend_end_time = time() + suspended_time
|
||||
else:
|
||||
# reset the suspend variables
|
||||
engine.continuous_errors = 0
|
||||
engine.suspend_end_time = 0
|
||||
|
||||
|
||||
def record_offline_engine_stats_on_error(engine, result_container, start_time):
|
||||
engine_time = time() - start_time
|
||||
result_container.add_timing(engine.name, engine_time, engine_time)
|
||||
|
||||
with threading.RLock():
|
||||
engine.stats['errors'] += 1
|
||||
|
||||
|
||||
def search_one_offline_request(engine, query, request_params):
|
||||
return engine.search(query, request_params)
|
||||
|
||||
|
||||
def search_one_offline_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
|
||||
engine = engines[engine_name]
|
||||
|
||||
try:
|
||||
search_results = search_one_offline_request(engine, query, request_params)
|
||||
|
||||
if search_results:
|
||||
result_container.extend(engine_name, search_results)
|
||||
|
||||
engine_time = time() - start_time
|
||||
result_container.add_timing(engine_name, engine_time, engine_time)
|
||||
with threading.RLock():
|
||||
engine.stats['engine_time'] += engine_time
|
||||
engine.stats['engine_time_count'] += 1
|
||||
|
||||
except ValueError as e:
|
||||
record_exception(engine_name, e)
|
||||
record_offline_engine_stats_on_error(engine, result_container, start_time)
|
||||
logger.exception('engine {0} : invalid input : {1}'.format(engine_name, e))
|
||||
except Exception as e:
|
||||
record_exception(engine_name, e)
|
||||
record_offline_engine_stats_on_error(engine, result_container, start_time)
|
||||
result_container.add_unresponsive_engine(engine_name, 'unexpected crash', str(e))
|
||||
logger.exception('engine {0} : exception : {1}'.format(engine_name, e))
|
||||
else:
|
||||
if getattr(threading.current_thread(), '_timeout', False):
|
||||
record_error(engine_name, 'Timeout')
|
||||
|
||||
|
||||
def search_one_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit):
|
||||
if engines[engine_name].offline:
|
||||
return search_one_offline_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit) # noqa
|
||||
return search_one_http_request_safe(engine_name, query, request_params, result_container, start_time, timeout_limit)
|
||||
|
||||
|
||||
def search_multiple_requests(requests, result_container, start_time, timeout_limit):
|
||||
search_id = uuid4().__str__()
|
||||
|
||||
for engine_name, query, request_params in requests:
|
||||
th = threading.Thread(
|
||||
target=search_one_request_safe,
|
||||
args=(engine_name, query, request_params, result_container, start_time, timeout_limit),
|
||||
name=search_id,
|
||||
)
|
||||
th._timeout = False
|
||||
th._engine_name = engine_name
|
||||
th.start()
|
||||
|
||||
for th in threading.enumerate():
|
||||
if th.name == search_id:
|
||||
remaining_time = max(0.0, timeout_limit - (time() - start_time))
|
||||
th.join(remaining_time)
|
||||
if th.is_alive():
|
||||
th._timeout = True
|
||||
result_container.add_unresponsive_engine(th._engine_name, 'timeout')
|
||||
logger.warning('engine timeout: {0}'.format(th._engine_name))
|
||||
|
||||
|
||||
# get default reqest parameter
|
||||
def default_request_params():
|
||||
return {
|
||||
'method': 'GET',
|
||||
'headers': {},
|
||||
'data': {},
|
||||
'url': '',
|
||||
'cookies': {},
|
||||
'verify': True,
|
||||
'auth': None,
|
||||
'raise_for_httperror': True
|
||||
}
|
||||
|
||||
|
||||
class Search:
|
||||
"""Search information container"""
|
||||
|
||||
__slots__ = "search_query", "result_container", "start_time", "actual_timeout"
|
||||
|
||||
def __init__(self, search_query):
|
||||
# init vars
|
||||
super().__init__()
|
||||
self.search_query = search_query
|
||||
self.result_container = ResultContainer()
|
||||
self.start_time = None
|
||||
self.actual_timeout = None
|
||||
|
||||
def search_external_bang(self):
|
||||
"""
|
||||
Check if there is a external bang.
|
||||
If yes, update self.result_container and return True
|
||||
"""
|
||||
if self.search_query.external_bang:
|
||||
self.result_container.redirect_url = get_bang_url(self.search_query)
|
||||
|
||||
# This means there was a valid bang and the
|
||||
# rest of the search does not need to be continued
|
||||
if isinstance(self.result_container.redirect_url, str):
|
||||
return True
|
||||
return False
|
||||
|
||||
def search_answerers(self):
|
||||
"""
|
||||
Check if an answer return a result.
|
||||
If yes, update self.result_container and return True
|
||||
"""
|
||||
answerers_results = ask(self.search_query)
|
||||
|
||||
if answerers_results:
|
||||
for results in answerers_results:
|
||||
self.result_container.extend('answer', results)
|
||||
return True
|
||||
return False
|
||||
|
||||
def _is_accepted(self, engine_name, engine):
|
||||
# skip suspended engines
|
||||
if engine.suspend_end_time >= time():
|
||||
logger.debug('Engine currently suspended: %s', engine_name)
|
||||
return False
|
||||
|
||||
# if paging is not supported, skip
|
||||
if self.search_query.pageno > 1 and not engine.paging:
|
||||
return False
|
||||
|
||||
# if time_range is not supported, skip
|
||||
if self.search_query.time_range and not engine.time_range_support:
|
||||
return False
|
||||
|
||||
return True
|
||||
|
||||
def _get_params(self, engineref, user_agent):
|
||||
if engineref.name not in engines:
|
||||
return None, None
|
||||
|
||||
engine = engines[engineref.name]
|
||||
|
||||
if not self._is_accepted(engineref.name, engine):
|
||||
return None, None
|
||||
|
||||
# set default request parameters
|
||||
request_params = {}
|
||||
if not engine.offline:
|
||||
request_params = default_request_params()
|
||||
request_params['headers']['User-Agent'] = user_agent
|
||||
|
||||
if hasattr(engine, 'language') and engine.language:
|
||||
request_params['language'] = engine.language
|
||||
else:
|
||||
request_params['language'] = self.search_query.lang
|
||||
|
||||
request_params['safesearch'] = self.search_query.safesearch
|
||||
request_params['time_range'] = self.search_query.time_range
|
||||
|
||||
request_params['category'] = engineref.category
|
||||
request_params['pageno'] = self.search_query.pageno
|
||||
|
||||
with threading.RLock():
|
||||
engine.stats['sent_search_count'] += 1
|
||||
|
||||
return request_params, engine.timeout
|
||||
|
||||
# do search-request
|
||||
def _get_requests(self):
|
||||
# init vars
|
||||
requests = []
|
||||
|
||||
# set default useragent
|
||||
# user_agent = request.headers.get('User-Agent', '')
|
||||
user_agent = gen_useragent()
|
||||
|
||||
# max of all selected engine timeout
|
||||
default_timeout = 0
|
||||
|
||||
# start search-reqest for all selected engines
|
||||
for engineref in self.search_query.engineref_list:
|
||||
# set default request parameters
|
||||
request_params, engine_timeout = self._get_params(engineref, user_agent)
|
||||
if request_params is None:
|
||||
continue
|
||||
|
||||
# append request to list
|
||||
requests.append((engineref.name, self.search_query.query, request_params))
|
||||
|
||||
# update default_timeout
|
||||
default_timeout = max(default_timeout, engine_timeout)
|
||||
|
||||
# adjust timeout
|
||||
actual_timeout = default_timeout
|
||||
query_timeout = self.search_query.timeout_limit
|
||||
|
||||
if max_request_timeout is None and query_timeout is None:
|
||||
# No max, no user query: default_timeout
|
||||
pass
|
||||
elif max_request_timeout is None and query_timeout is not None:
|
||||
# No max, but user query: From user query except if above default
|
||||
actual_timeout = min(default_timeout, query_timeout)
|
||||
elif max_request_timeout is not None and query_timeout is None:
|
||||
# Max, no user query: Default except if above max
|
||||
actual_timeout = min(default_timeout, max_request_timeout)
|
||||
elif max_request_timeout is not None and query_timeout is not None:
|
||||
# Max & user query: From user query except if above max
|
||||
actual_timeout = min(query_timeout, max_request_timeout)
|
||||
|
||||
logger.debug("actual_timeout={0} (default_timeout={1}, ?timeout_limit={2}, max_request_timeout={3})"
|
||||
.format(actual_timeout, default_timeout, query_timeout, max_request_timeout))
|
||||
|
||||
return requests, actual_timeout
|
||||
|
||||
def search_standard(self):
|
||||
"""
|
||||
Update self.result_container, self.actual_timeout
|
||||
"""
|
||||
requests, self.actual_timeout = self._get_requests()
|
||||
|
||||
# send all search-request
|
||||
if requests:
|
||||
search_multiple_requests(requests, self.result_container, self.start_time, self.actual_timeout)
|
||||
start_new_thread(gc.collect, tuple())
|
||||
|
||||
# return results, suggestions, answers and infoboxes
|
||||
return True
|
||||
|
||||
# do search-request
|
||||
def search(self):
|
||||
self.start_time = time()
|
||||
|
||||
if not self.search_external_bang():
|
||||
if not self.search_answerers():
|
||||
self.search_standard()
|
||||
|
||||
return self.result_container
|
||||
|
||||
|
||||
class SearchWithPlugins(Search):
|
||||
"""Similar to the Search class but call the plugins."""
|
||||
|
||||
__slots__ = 'ordered_plugin_list', 'request'
|
||||
|
||||
def __init__(self, search_query, ordered_plugin_list, request):
|
||||
super().__init__(search_query)
|
||||
self.ordered_plugin_list = ordered_plugin_list
|
||||
self.request = request
|
||||
|
||||
def search(self):
|
||||
if plugins.call(self.ordered_plugin_list, 'pre_search', self.request, self):
|
||||
super().search()
|
||||
|
||||
plugins.call(self.ordered_plugin_list, 'post_search', self.request, self)
|
||||
|
||||
results = self.result_container.get_ordered_results()
|
||||
|
||||
for result in results:
|
||||
plugins.call(self.ordered_plugin_list, 'on_result', self.request, self, result)
|
||||
|
||||
return self.result_container
|
265
searx/search/__init__.py
Normal file
265
searx/search/__init__.py
Normal file
@ -0,0 +1,265 @@
|
||||
'''
|
||||
searx is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU Affero General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
searx is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Affero General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Affero General Public License
|
||||
along with searx. If not, see < http://www.gnu.org/licenses/ >.
|
||||
|
||||
(C) 2013- by Adam Tauber, <asciimoo@gmail.com>
|
||||
'''
|
||||
|
||||
import typing
|
||||
import gc
|
||||
import threading
|
||||
from time import time
|
||||
from uuid import uuid4
|
||||
from _thread import start_new_thread
|
||||
|
||||
from searx import settings
|
||||
from searx.answerers import ask
|
||||
from searx.external_bang import get_bang_url
|
||||
from searx.results import ResultContainer
|
||||
from searx import logger
|
||||
from searx.plugins import plugins
|
||||
from searx.search.processors import processors, initialize as initialize_processors
|
||||
|
||||
|
||||
logger = logger.getChild('search')
|
||||
|
||||
max_request_timeout = settings.get('outgoing', {}).get('max_request_timeout' or None)
|
||||
if max_request_timeout is None:
|
||||
logger.info('max_request_timeout={0}'.format(max_request_timeout))
|
||||
else:
|
||||
if isinstance(max_request_timeout, float):
|
||||
logger.info('max_request_timeout={0} second(s)'.format(max_request_timeout))
|
||||
else:
|
||||
logger.critical('outgoing.max_request_timeout if defined has to be float')
|
||||
import sys
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
def initialize(settings_engines=None):
|
||||
settings_engines = settings_engines or settings['engines']
|
||||
initialize_processors(settings_engines)
|
||||
|
||||
|
||||
class EngineRef:
|
||||
|
||||
__slots__ = 'name', 'category', 'from_bang'
|
||||
|
||||
def __init__(self, name: str, category: str, from_bang: bool=False):
|
||||
self.name = name
|
||||
self.category = category
|
||||
self.from_bang = from_bang
|
||||
|
||||
def __repr__(self):
|
||||
return "EngineRef({!r}, {!r}, {!r})".format(self.name, self.category, self.from_bang)
|
||||
|
||||
def __eq__(self, other):
|
||||
return self.name == other.name and self.category == other.category and self.from_bang == other.from_bang
|
||||
|
||||
|
||||
class SearchQuery:
|
||||
"""container for all the search parameters (query, language, etc...)"""
|
||||
|
||||
__slots__ = 'query', 'engineref_list', 'categories', 'lang', 'safesearch', 'pageno', 'time_range',\
|
||||
'timeout_limit', 'external_bang'
|
||||
|
||||
def __init__(self,
|
||||
query: str,
|
||||
engineref_list: typing.List[EngineRef],
|
||||
categories: typing.List[str],
|
||||
lang: str,
|
||||
safesearch: int,
|
||||
pageno: int,
|
||||
time_range: typing.Optional[str],
|
||||
timeout_limit: typing.Optional[float]=None,
|
||||
external_bang: typing.Optional[str]=None):
|
||||
self.query = query
|
||||
self.engineref_list = engineref_list
|
||||
self.categories = categories
|
||||
self.lang = lang
|
||||
self.safesearch = safesearch
|
||||
self.pageno = pageno
|
||||
self.time_range = time_range
|
||||
self.timeout_limit = timeout_limit
|
||||
self.external_bang = external_bang
|
||||
|
||||
def __repr__(self):
|
||||
return "SearchQuery({!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r})".\
|
||||
format(self.query, self.engineref_list, self.categories, self.lang, self.safesearch,
|
||||
self.pageno, self.time_range, self.timeout_limit, self.external_bang)
|
||||
|
||||
def __eq__(self, other):
|
||||
return self.query == other.query\
|
||||
and self.engineref_list == other.engineref_list\
|
||||
and self.categories == self.categories\
|
||||
and self.lang == other.lang\
|
||||
and self.safesearch == other.safesearch\
|
||||
and self.pageno == other.pageno\
|
||||
and self.time_range == other.time_range\
|
||||
and self.timeout_limit == other.timeout_limit\
|
||||
and self.external_bang == other.external_bang
|
||||
|
||||
|
||||
class Search:
|
||||
"""Search information container"""
|
||||
|
||||
__slots__ = "search_query", "result_container", "start_time", "actual_timeout"
|
||||
|
||||
def __init__(self, search_query):
|
||||
# init vars
|
||||
super().__init__()
|
||||
self.search_query = search_query
|
||||
self.result_container = ResultContainer()
|
||||
self.start_time = None
|
||||
self.actual_timeout = None
|
||||
|
||||
def search_external_bang(self):
|
||||
"""
|
||||
Check if there is a external bang.
|
||||
If yes, update self.result_container and return True
|
||||
"""
|
||||
if self.search_query.external_bang:
|
||||
self.result_container.redirect_url = get_bang_url(self.search_query)
|
||||
|
||||
# This means there was a valid bang and the
|
||||
# rest of the search does not need to be continued
|
||||
if isinstance(self.result_container.redirect_url, str):
|
||||
return True
|
||||
return False
|
||||
|
||||
def search_answerers(self):
|
||||
"""
|
||||
Check if an answer return a result.
|
||||
If yes, update self.result_container and return True
|
||||
"""
|
||||
answerers_results = ask(self.search_query)
|
||||
|
||||
if answerers_results:
|
||||
for results in answerers_results:
|
||||
self.result_container.extend('answer', results)
|
||||
return True
|
||||
return False
|
||||
|
||||
# do search-request
|
||||
def _get_requests(self):
|
||||
# init vars
|
||||
requests = []
|
||||
|
||||
# max of all selected engine timeout
|
||||
default_timeout = 0
|
||||
|
||||
# start search-reqest for all selected engines
|
||||
for engineref in self.search_query.engineref_list:
|
||||
processor = processors[engineref.name]
|
||||
|
||||
# set default request parameters
|
||||
request_params = processor.get_params(self.search_query, engineref.category)
|
||||
if request_params is None:
|
||||
continue
|
||||
|
||||
# append request to list
|
||||
requests.append((engineref.name, self.search_query.query, request_params))
|
||||
|
||||
# update default_timeout
|
||||
default_timeout = max(default_timeout, processor.engine.timeout)
|
||||
|
||||
# adjust timeout
|
||||
actual_timeout = default_timeout
|
||||
query_timeout = self.search_query.timeout_limit
|
||||
|
||||
if max_request_timeout is None and query_timeout is None:
|
||||
# No max, no user query: default_timeout
|
||||
pass
|
||||
elif max_request_timeout is None and query_timeout is not None:
|
||||
# No max, but user query: From user query except if above default
|
||||
actual_timeout = min(default_timeout, query_timeout)
|
||||
elif max_request_timeout is not None and query_timeout is None:
|
||||
# Max, no user query: Default except if above max
|
||||
actual_timeout = min(default_timeout, max_request_timeout)
|
||||
elif max_request_timeout is not None and query_timeout is not None:
|
||||
# Max & user query: From user query except if above max
|
||||
actual_timeout = min(query_timeout, max_request_timeout)
|
||||
|
||||
logger.debug("actual_timeout={0} (default_timeout={1}, ?timeout_limit={2}, max_request_timeout={3})"
|
||||
.format(actual_timeout, default_timeout, query_timeout, max_request_timeout))
|
||||
|
||||
return requests, actual_timeout
|
||||
|
||||
def search_multiple_requests(self, requests):
|
||||
search_id = uuid4().__str__()
|
||||
|
||||
for engine_name, query, request_params in requests:
|
||||
th = threading.Thread(
|
||||
target=processors[engine_name].search,
|
||||
args=(query, request_params, self.result_container, self.start_time, self.actual_timeout),
|
||||
name=search_id,
|
||||
)
|
||||
th._timeout = False
|
||||
th._engine_name = engine_name
|
||||
th.start()
|
||||
|
||||
for th in threading.enumerate():
|
||||
if th.name == search_id:
|
||||
remaining_time = max(0.0, self.actual_timeout - (time() - self.start_time))
|
||||
th.join(remaining_time)
|
||||
if th.is_alive():
|
||||
th._timeout = True
|
||||
self.result_container.add_unresponsive_engine(th._engine_name, 'timeout')
|
||||
logger.warning('engine timeout: {0}'.format(th._engine_name))
|
||||
|
||||
def search_standard(self):
|
||||
"""
|
||||
Update self.result_container, self.actual_timeout
|
||||
"""
|
||||
requests, self.actual_timeout = self._get_requests()
|
||||
|
||||
# send all search-request
|
||||
if requests:
|
||||
self.search_multiple_requests(requests)
|
||||
start_new_thread(gc.collect, tuple())
|
||||
|
||||
# return results, suggestions, answers and infoboxes
|
||||
return True
|
||||
|
||||
# do search-request
|
||||
def search(self):
|
||||
self.start_time = time()
|
||||
|
||||
if not self.search_external_bang():
|
||||
if not self.search_answerers():
|
||||
self.search_standard()
|
||||
|
||||
return self.result_container
|
||||
|
||||
|
||||
class SearchWithPlugins(Search):
|
||||
"""Similar to the Search class but call the plugins."""
|
||||
|
||||
__slots__ = 'ordered_plugin_list', 'request'
|
||||
|
||||
def __init__(self, search_query, ordered_plugin_list, request):
|
||||
super().__init__(search_query)
|
||||
self.ordered_plugin_list = ordered_plugin_list
|
||||
self.request = request
|
||||
|
||||
def search(self):
|
||||
if plugins.call(self.ordered_plugin_list, 'pre_search', self.request, self):
|
||||
super().search()
|
||||
|
||||
plugins.call(self.ordered_plugin_list, 'post_search', self.request, self)
|
||||
|
||||
results = self.result_container.get_ordered_results()
|
||||
|
||||
for result in results:
|
||||
plugins.call(self.ordered_plugin_list, 'on_result', self.request, self, result)
|
||||
|
||||
return self.result_container
|
41
searx/search/processors/__init__.py
Normal file
41
searx/search/processors/__init__.py
Normal file
@ -0,0 +1,41 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
|
||||
from .online import OnlineProcessor
|
||||
from .offline import OfflineProcessor
|
||||
from .online_dictionary import OnlineDictionaryProcessor
|
||||
from .online_currency import OnlineCurrencyProcessor
|
||||
from .abstract import EngineProcessor
|
||||
from searx import logger
|
||||
import searx.engines as engines
|
||||
|
||||
|
||||
__all__ = ['EngineProcessor', 'OfflineProcessor', 'OnlineProcessor',
|
||||
'OnlineDictionaryProcessor', 'OnlineCurrencyProcessor', 'processors']
|
||||
logger = logger.getChild('search.processors')
|
||||
processors = {}
|
||||
|
||||
|
||||
def get_processor_class(engine_type):
|
||||
for c in [OnlineProcessor, OfflineProcessor, OnlineDictionaryProcessor, OnlineCurrencyProcessor]:
|
||||
if c.engine_type == engine_type:
|
||||
return c
|
||||
return None
|
||||
|
||||
|
||||
def get_processor(engine, engine_name):
|
||||
engine_type = getattr(engine, 'engine_type', 'online')
|
||||
processor_class = get_processor_class(engine_type)
|
||||
if processor_class:
|
||||
return processor_class(engine, engine_name)
|
||||
else:
|
||||
return None
|
||||
|
||||
|
||||
def initialize(engine_list):
|
||||
engines.initialize_engines(engine_list)
|
||||
for engine_name, engine in engines.engines.items():
|
||||
processor = get_processor(engine, engine_name)
|
||||
if processor is None:
|
||||
logger.error('Error get processor for engine %s', engine_name)
|
||||
else:
|
||||
processors[engine_name] = processor
|
39
searx/search/processors/abstract.py
Normal file
39
searx/search/processors/abstract.py
Normal file
@ -0,0 +1,39 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
|
||||
from abc import abstractmethod
|
||||
from searx import logger
|
||||
|
||||
|
||||
logger = logger.getChild('searx.search.processor')
|
||||
|
||||
|
||||
class EngineProcessor:
|
||||
|
||||
def __init__(self, engine, engine_name):
|
||||
self.engine = engine
|
||||
self.engine_name = engine_name
|
||||
|
||||
def get_params(self, search_query, engine_category):
|
||||
# if paging is not supported, skip
|
||||
if search_query.pageno > 1 and not self.engine.paging:
|
||||
return None
|
||||
|
||||
# if time_range is not supported, skip
|
||||
if search_query.time_range and not self.engine.time_range_support:
|
||||
return None
|
||||
|
||||
params = {}
|
||||
params['category'] = engine_category
|
||||
params['pageno'] = search_query.pageno
|
||||
params['safesearch'] = search_query.safesearch
|
||||
params['time_range'] = search_query.time_range
|
||||
|
||||
if hasattr(self.engine, 'language') and self.engine.language:
|
||||
params['language'] = self.engine.language
|
||||
else:
|
||||
params['language'] = search_query.lang
|
||||
return params
|
||||
|
||||
@abstractmethod
|
||||
def search(self, query, params, result_container, start_time, timeout_limit):
|
||||
pass
|
51
searx/search/processors/offline.py
Normal file
51
searx/search/processors/offline.py
Normal file
@ -0,0 +1,51 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
|
||||
import threading
|
||||
from time import time
|
||||
from searx import logger
|
||||
from searx.metrology.error_recorder import record_exception, record_error
|
||||
from searx.search.processors.abstract import EngineProcessor
|
||||
|
||||
|
||||
logger = logger.getChild('search.processor.offline')
|
||||
|
||||
|
||||
class OfflineProcessor(EngineProcessor):
|
||||
|
||||
engine_type = 'offline'
|
||||
|
||||
def _record_stats_on_error(self, result_container, start_time):
|
||||
engine_time = time() - start_time
|
||||
result_container.add_timing(self.engine_name, engine_time, engine_time)
|
||||
|
||||
with threading.RLock():
|
||||
self.engine.stats['errors'] += 1
|
||||
|
||||
def _search_basic(self, query, params):
|
||||
return self.engine.search(query, params)
|
||||
|
||||
def search(self, query, params, result_container, start_time, timeout_limit):
|
||||
try:
|
||||
search_results = self._search_basic(query, params)
|
||||
|
||||
if search_results:
|
||||
result_container.extend(self.engine_name, search_results)
|
||||
|
||||
engine_time = time() - start_time
|
||||
result_container.add_timing(self.engine_name, engine_time, engine_time)
|
||||
with threading.RLock():
|
||||
self.engine.stats['engine_time'] += engine_time
|
||||
self.engine.stats['engine_time_count'] += 1
|
||||
|
||||
except ValueError as e:
|
||||
record_exception(self.engine_name, e)
|
||||
self._record_stats_on_error(result_container, start_time)
|
||||
logger.exception('engine {0} : invalid input : {1}'.format(self.engine_name, e))
|
||||
except Exception as e:
|
||||
record_exception(self.engine_name, e)
|
||||
self._record_stats_on_error(result_container, start_time)
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'unexpected crash', str(e))
|
||||
logger.exception('engine {0} : exception : {1}'.format(self.engine_name, e))
|
||||
else:
|
||||
if getattr(threading.current_thread(), '_timeout', False):
|
||||
record_error(self.engine_name, 'Timeout')
|
211
searx/search/processors/online.py
Normal file
211
searx/search/processors/online.py
Normal file
@ -0,0 +1,211 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
|
||||
from urllib.parse import urlparse
|
||||
from time import time
|
||||
import threading
|
||||
|
||||
import requests.exceptions
|
||||
|
||||
import searx.poolrequests as poolrequests
|
||||
from searx.engines import settings
|
||||
from searx import logger
|
||||
from searx.utils import gen_useragent
|
||||
from searx.exceptions import (SearxEngineAccessDeniedException, SearxEngineCaptchaException,
|
||||
SearxEngineTooManyRequestsException,)
|
||||
from searx.metrology.error_recorder import record_exception, record_error
|
||||
|
||||
from searx.search.processors.abstract import EngineProcessor
|
||||
|
||||
|
||||
logger = logger.getChild('search.processor.online')
|
||||
|
||||
DEFAULT_PARAMS = {
|
||||
'method': 'GET',
|
||||
'headers': {},
|
||||
'data': {},
|
||||
'url': '',
|
||||
'cookies': {},
|
||||
'verify': True,
|
||||
'auth': None
|
||||
}
|
||||
|
||||
|
||||
class OnlineProcessor(EngineProcessor):
|
||||
|
||||
engine_type = 'online'
|
||||
|
||||
def get_params(self, search_query, engine_category):
|
||||
params = super().get_params(search_query, engine_category)
|
||||
if params is None:
|
||||
return None
|
||||
|
||||
# skip suspended engines
|
||||
if self.engine.suspend_end_time >= time():
|
||||
logger.debug('Engine currently suspended: %s', self.engine_name)
|
||||
return None
|
||||
|
||||
# add default params
|
||||
params.update(DEFAULT_PARAMS)
|
||||
|
||||
# add an user agent
|
||||
params['headers']['User-Agent'] = gen_useragent()
|
||||
|
||||
return params
|
||||
|
||||
def _send_http_request(self, params):
|
||||
# create dictionary which contain all
|
||||
# informations about the request
|
||||
request_args = dict(
|
||||
headers=params['headers'],
|
||||
cookies=params['cookies'],
|
||||
verify=params['verify'],
|
||||
auth=params['auth']
|
||||
)
|
||||
|
||||
# setting engine based proxies
|
||||
if hasattr(self.engine, 'proxies'):
|
||||
request_args['proxies'] = poolrequests.get_proxies(self.engine.proxies)
|
||||
|
||||
# max_redirects
|
||||
max_redirects = params.get('max_redirects')
|
||||
if max_redirects:
|
||||
request_args['max_redirects'] = max_redirects
|
||||
|
||||
# soft_max_redirects
|
||||
soft_max_redirects = params.get('soft_max_redirects', max_redirects or 0)
|
||||
|
||||
# raise_for_status
|
||||
request_args['raise_for_httperror'] = params.get('raise_for_httperror', False)
|
||||
|
||||
# specific type of request (GET or POST)
|
||||
if params['method'] == 'GET':
|
||||
req = poolrequests.get
|
||||
else:
|
||||
req = poolrequests.post
|
||||
|
||||
request_args['data'] = params['data']
|
||||
|
||||
# send the request
|
||||
response = req(params['url'], **request_args)
|
||||
|
||||
# check soft limit of the redirect count
|
||||
if len(response.history) > soft_max_redirects:
|
||||
# unexpected redirect : record an error
|
||||
# but the engine might still return valid results.
|
||||
status_code = str(response.status_code or '')
|
||||
reason = response.reason or ''
|
||||
hostname = str(urlparse(response.url or '').netloc)
|
||||
record_error(self.engine_name,
|
||||
'{} redirects, maximum: {}'.format(len(response.history), soft_max_redirects),
|
||||
(status_code, reason, hostname))
|
||||
|
||||
return response
|
||||
|
||||
def _search_basic(self, query, params):
|
||||
# update request parameters dependent on
|
||||
# search-engine (contained in engines folder)
|
||||
self.engine.request(query, params)
|
||||
|
||||
# ignoring empty urls
|
||||
if params['url'] is None:
|
||||
return None
|
||||
|
||||
if not params['url']:
|
||||
return None
|
||||
|
||||
# send request
|
||||
response = self._send_http_request(params)
|
||||
|
||||
# parse the response
|
||||
response.search_params = params
|
||||
return self.engine.response(response)
|
||||
|
||||
def search(self, query, params, result_container, start_time, timeout_limit):
|
||||
# set timeout for all HTTP requests
|
||||
poolrequests.set_timeout_for_thread(timeout_limit, start_time=start_time)
|
||||
# reset the HTTP total time
|
||||
poolrequests.reset_time_for_thread()
|
||||
|
||||
# suppose everything will be alright
|
||||
requests_exception = False
|
||||
suspended_time = None
|
||||
|
||||
try:
|
||||
# send requests and parse the results
|
||||
search_results = self._search_basic(query, params)
|
||||
|
||||
# check if the engine accepted the request
|
||||
if search_results is not None:
|
||||
# yes, so add results
|
||||
result_container.extend(self.engine_name, search_results)
|
||||
|
||||
# update engine time when there is no exception
|
||||
engine_time = time() - start_time
|
||||
page_load_time = poolrequests.get_time_for_thread()
|
||||
result_container.add_timing(self.engine_name, engine_time, page_load_time)
|
||||
with threading.RLock():
|
||||
self.engine.stats['engine_time'] += engine_time
|
||||
self.engine.stats['engine_time_count'] += 1
|
||||
# update stats with the total HTTP time
|
||||
self.engine.stats['page_load_time'] += page_load_time
|
||||
self.engine.stats['page_load_count'] += 1
|
||||
except Exception as e:
|
||||
record_exception(self.engine_name, e)
|
||||
|
||||
# Timing
|
||||
engine_time = time() - start_time
|
||||
page_load_time = poolrequests.get_time_for_thread()
|
||||
result_container.add_timing(self.engine_name, engine_time, page_load_time)
|
||||
|
||||
# Record the errors
|
||||
with threading.RLock():
|
||||
self.engine.stats['errors'] += 1
|
||||
|
||||
if (issubclass(e.__class__, requests.exceptions.Timeout)):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'HTTP timeout')
|
||||
# requests timeout (connect or read)
|
||||
logger.error("engine {0} : HTTP requests timeout"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(self.engine_name, engine_time, timeout_limit, e.__class__.__name__))
|
||||
requests_exception = True
|
||||
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'HTTP error')
|
||||
# other requests exception
|
||||
logger.exception("engine {0} : requests exception"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(self.engine_name, engine_time, timeout_limit, e))
|
||||
requests_exception = True
|
||||
elif (issubclass(e.__class__, SearxEngineCaptchaException)):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'CAPTCHA required')
|
||||
logger.exception('engine {0} : CAPTCHA')
|
||||
suspended_time = e.suspended_time # pylint: disable=no-member
|
||||
elif (issubclass(e.__class__, SearxEngineTooManyRequestsException)):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'too many requests')
|
||||
logger.exception('engine {0} : Too many requests')
|
||||
suspended_time = e.suspended_time # pylint: disable=no-member
|
||||
elif (issubclass(e.__class__, SearxEngineAccessDeniedException)):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'blocked')
|
||||
logger.exception('engine {0} : Searx is blocked')
|
||||
suspended_time = e.suspended_time # pylint: disable=no-member
|
||||
else:
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'unexpected crash')
|
||||
# others errors
|
||||
logger.exception('engine {0} : exception : {1}'.format(self.engine_name, e))
|
||||
else:
|
||||
if getattr(threading.current_thread(), '_timeout', False):
|
||||
record_error(self.engine_name, 'Timeout')
|
||||
|
||||
# suspend the engine if there is an HTTP error
|
||||
# or suspended_time is defined
|
||||
with threading.RLock():
|
||||
if requests_exception or suspended_time:
|
||||
# update continuous_errors / suspend_end_time
|
||||
self.engine.continuous_errors += 1
|
||||
if suspended_time is None:
|
||||
suspended_time = min(settings['search']['max_ban_time_on_fail'],
|
||||
self.engine.continuous_errors * settings['search']['ban_time_on_fail'])
|
||||
self.engine.suspend_end_time = time() + suspended_time
|
||||
else:
|
||||
# reset the suspend variables
|
||||
self.engine.continuous_errors = 0
|
||||
self.engine.suspend_end_time = 0
|
57
searx/search/processors/online_currency.py
Normal file
57
searx/search/processors/online_currency.py
Normal file
@ -0,0 +1,57 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
|
||||
import unicodedata
|
||||
import re
|
||||
|
||||
from searx.data import CURRENCIES
|
||||
from .online import OnlineProcessor
|
||||
|
||||
|
||||
parser_re = re.compile('.*?(\\d+(?:\\.\\d+)?) ([^.0-9]+) (?:in|to) ([^.0-9]+)', re.I)
|
||||
|
||||
|
||||
def normalize_name(name):
|
||||
name = name.lower().replace('-', ' ').rstrip('s')
|
||||
name = re.sub(' +', ' ', name)
|
||||
return unicodedata.normalize('NFKD', name).lower()
|
||||
|
||||
|
||||
def name_to_iso4217(name):
|
||||
global CURRENCIES
|
||||
name = normalize_name(name)
|
||||
currency = CURRENCIES['names'].get(name, [name])
|
||||
return currency[0]
|
||||
|
||||
|
||||
def iso4217_to_name(iso4217, language):
|
||||
global CURRENCIES
|
||||
return CURRENCIES['iso4217'].get(iso4217, {}).get(language, iso4217)
|
||||
|
||||
|
||||
class OnlineCurrencyProcessor(OnlineProcessor):
|
||||
|
||||
engine_type = 'online_currency'
|
||||
|
||||
def get_params(self, search_query, engine_category):
|
||||
params = super().get_params(search_query, engine_category)
|
||||
if params is None:
|
||||
return None
|
||||
|
||||
m = parser_re.match(search_query.query)
|
||||
if not m:
|
||||
return None
|
||||
|
||||
amount_str, from_currency, to_currency = m.groups()
|
||||
try:
|
||||
amount = float(amount_str)
|
||||
except ValueError:
|
||||
return None
|
||||
from_currency = name_to_iso4217(from_currency.strip())
|
||||
to_currency = name_to_iso4217(to_currency.strip())
|
||||
|
||||
params['amount'] = amount
|
||||
params['from'] = from_currency
|
||||
params['to'] = to_currency
|
||||
params['from_name'] = iso4217_to_name(from_currency, 'en')
|
||||
params['to_name'] = iso4217_to_name(to_currency, 'en')
|
||||
return params
|
37
searx/search/processors/online_dictionary.py
Normal file
37
searx/search/processors/online_dictionary.py
Normal file
@ -0,0 +1,37 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
|
||||
import re
|
||||
|
||||
from searx.utils import is_valid_lang
|
||||
from .online import OnlineProcessor
|
||||
|
||||
|
||||
parser_re = re.compile('.*?([a-z]+)-([a-z]+) ([^ ]+)$', re.I)
|
||||
|
||||
|
||||
class OnlineDictionaryProcessor(OnlineProcessor):
|
||||
|
||||
engine_type = 'online_dictionnary'
|
||||
|
||||
def get_params(self, search_query, engine_category):
|
||||
params = super().get_params(search_query, engine_category)
|
||||
if params is None:
|
||||
return None
|
||||
|
||||
m = parser_re.match(search_query.query)
|
||||
if not m:
|
||||
return None
|
||||
|
||||
from_lang, to_lang, query = m.groups()
|
||||
|
||||
from_lang = is_valid_lang(from_lang)
|
||||
to_lang = is_valid_lang(to_lang)
|
||||
|
||||
if not from_lang or not to_lang:
|
||||
return None
|
||||
|
||||
params['from_lang'] = from_lang
|
||||
params['to_lang'] = to_lang
|
||||
params['query'] = query
|
||||
|
||||
return params
|
@ -60,7 +60,7 @@ from searx import brand, static_path
|
||||
from searx import settings, searx_dir, searx_debug
|
||||
from searx.exceptions import SearxParameterException
|
||||
from searx.engines import (
|
||||
categories, engines, engine_shortcuts, get_engines_stats, initialize_engines
|
||||
categories, engines, engine_shortcuts, get_engines_stats
|
||||
)
|
||||
from searx.webutils import (
|
||||
UnicodeWriter, highlight_content, get_resources_directory,
|
||||
@ -71,7 +71,7 @@ from searx.webadapter import get_search_query_from_webapp, get_selected_categori
|
||||
from searx.utils import html_to_text, gen_useragent, dict_subset, match_language
|
||||
from searx.version import VERSION_STRING
|
||||
from searx.languages import language_codes as languages
|
||||
from searx.search import SearchWithPlugins
|
||||
from searx.search import SearchWithPlugins, initialize
|
||||
from searx.query import RawTextQuery
|
||||
from searx.autocomplete import searx_bang, backends as autocomplete_backends
|
||||
from searx.plugins import plugins
|
||||
@ -131,7 +131,7 @@ werkzeug_reloader = flask_run_development or (searx_debug and __name__ == "__mai
|
||||
# initialize the engines except on the first run of the werkzeug server.
|
||||
if not werkzeug_reloader\
|
||||
or (werkzeug_reloader and os.environ.get("WERKZEUG_RUN_MAIN") == "true"):
|
||||
initialize_engines(settings['engines'])
|
||||
initialize()
|
||||
|
||||
babel = Babel(app)
|
||||
|
||||
|
@ -3,7 +3,6 @@
|
||||
from searx.testing import SearxTestCase
|
||||
from searx.search import SearchQuery, EngineRef
|
||||
import searx.search
|
||||
import searx.engines
|
||||
|
||||
|
||||
SAFESEARCH = 0
|
||||
@ -39,7 +38,7 @@ class SearchTestCase(SearxTestCase):
|
||||
|
||||
@classmethod
|
||||
def setUpClass(cls):
|
||||
searx.engines.initialize_engines(TEST_ENGINES)
|
||||
searx.search.initialize(TEST_ENGINES)
|
||||
|
||||
def test_timeout_simple(self):
|
||||
searx.search.max_request_timeout = None
|
||||
|
@ -8,8 +8,7 @@ import sys
|
||||
from mock import Mock, patch
|
||||
from nose2.tools import params
|
||||
|
||||
from searx.search import SearchQuery, EngineRef
|
||||
from searx.engines import initialize_engines
|
||||
from searx.search import SearchQuery, EngineRef, initialize
|
||||
from searx.testing import SearxTestCase
|
||||
|
||||
|
||||
@ -30,7 +29,7 @@ class StandaloneSearx(SearxTestCase):
|
||||
def setUpClass(cls):
|
||||
engine_list = [{'engine': 'dummy', 'name': 'engine1', 'shortcut': 'e1'}]
|
||||
|
||||
initialize_engines(engine_list)
|
||||
initialize(engine_list)
|
||||
|
||||
def test_parse_argument_no_args(self):
|
||||
"""Test parse argument without args."""
|
||||
|
@ -17,7 +17,7 @@ TEST_ENGINES = [
|
||||
'categories': 'general',
|
||||
'shortcut': 'do',
|
||||
'timeout': 3.0,
|
||||
'offline': True,
|
||||
'engine_type': 'offline',
|
||||
'tokens': ['my-token'],
|
||||
},
|
||||
]
|
||||
@ -28,7 +28,7 @@ class ValidateQueryCase(SearxTestCase):
|
||||
|
||||
@classmethod
|
||||
def setUpClass(cls):
|
||||
searx.engines.initialize_engines(TEST_ENGINES)
|
||||
searx.search.initialize(TEST_ENGINES)
|
||||
|
||||
def test_query_private_engine_without_token(self):
|
||||
preferences = Preferences(['oscar'], ['general'], engines, [])
|
||||
|
@ -6,8 +6,8 @@ Getting categories without initiate the engine will only return `['general']`
|
||||
>>> import searx.engines
|
||||
... list(searx.engines.categories.keys())
|
||||
['general']
|
||||
>>> import searx
|
||||
... searx.engines.initialize_engines(searx.settings['engines'])
|
||||
>>> import searx.search
|
||||
... searx.search.initialize()
|
||||
... list(searx.engines.categories.keys())
|
||||
['general', 'it', 'science', 'images', 'news', 'videos', 'music', 'files', 'social media', 'map']
|
||||
|
||||
@ -22,11 +22,11 @@ Example to run it from python:
|
||||
>>> import importlib
|
||||
... import json
|
||||
... import sys
|
||||
... import searx
|
||||
... import searx.engines
|
||||
... import searx.search
|
||||
... search_query = 'rain'
|
||||
... # initialize engines
|
||||
... searx.engines.initialize_engines(searx.settings['engines'])
|
||||
... searx.search.initialize()
|
||||
... # load engines categories once instead of each time the function called
|
||||
... engine_cs = list(searx.engines.categories.keys())
|
||||
... # load module
|
||||
@ -82,7 +82,6 @@ from json import dumps
|
||||
from typing import Any, Dict, List, Optional
|
||||
|
||||
import searx
|
||||
import searx.engines
|
||||
import searx.preferences
|
||||
import searx.query
|
||||
import searx.search
|
||||
@ -208,7 +207,7 @@ def parse_argument(
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
searx.engines.initialize_engines(searx.settings['engines'])
|
||||
searx.search.initialize()
|
||||
engine_cs = list(searx.engines.categories.keys())
|
||||
prog_args = parse_argument(category_choices=engine_cs)
|
||||
search_q = get_search_query(prog_args, engine_categories=engine_cs)
|
||||
|
Loading…
Reference in New Issue
Block a user