summaryrefslogtreecommitdiff
path: root/searxng_extra/standalone_searx.py
blob: 0a1e18846948196b2555f9e1aad7288609980f91 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
#!/usr/bin/env python
# lint: pylint

# SPDX-License-Identifier: AGPL-3.0-or-later
# (C) Copyright Contributors to the SearXNG project.
# (C) Copyright Contributors to the searx project (2014 - 2021)

"""Script to run SearXNG from terminal.

Getting categories without initiate the engine will only return `['general']`

>>> import searx.engines
... list(searx.engines.categories.keys())
['general']
>>> import searx.search
... searx.search.initialize()
... list(searx.engines.categories.keys())
['general', 'it', 'science', 'images', 'news', 'videos', 'music', 'files', 'social media', 'map']

Example to use this script:

.. code::  bash

    $ python3 searxng_extra/standalone_searx.py rain

.. danger::

   Be warned, using the ``standalone_searx.py`` won't give you privacy!

   On the contrary, this script behaves like a SearXNG server: your IP is
   exposed and tracked by all active engines (google, bing, qwant, ... ), with
   every query!

Example to run it from python:

>>> import importlib
... import json
... import sys
... import searx.engines
... import searx.search
... search_query = 'rain'
... # initialize engines
... searx.search.initialize()
... # load engines categories once instead of each time the function called
... engine_cs = list(searx.engines.categories.keys())
... # load module
... spec = importlib.util.spec_from_file_location(
...     'utils.standalone_searx', 'searxng_extra/standalone_searx.py')
... sas = importlib.util.module_from_spec(spec)
... spec.loader.exec_module(sas)
... # use function from module
... prog_args = sas.parse_argument([search_query], category_choices=engine_cs)
... search_q = sas.get_search_query(prog_args, engine_categories=engine_cs)
... res_dict = sas.to_dict(search_q)
... sys.stdout.write(json.dumps(
...     res_dict, sort_keys=True, indent=4, ensure_ascii=False,
...     default=sas.json_serial))
{
    "answers": [],
    "infoboxes": [ {...} ],
    "paging": true,
    "results": [... ],
    "results_number": 820000000.0,
    "search": {
        "lang": "all",
        "pageno": 1,
        "q": "rain",
        "safesearch": 0,
        "timerange": null
    },
    "suggestions": [...]
}

"""  # pylint: disable=line-too-long

import argparse
import sys
from datetime import datetime
from json import dumps
from typing import Any, Dict, List, Optional

import searx
import searx.preferences
import searx.query
import searx.search
import searx.webadapter

EngineCategoriesVar = Optional[List[str]]


def get_search_query(
    args: argparse.Namespace, engine_categories: EngineCategoriesVar = None
) -> searx.search.SearchQuery:
    """Get  search results for the query"""
    if engine_categories is None:
        engine_categories = list(searx.engines.categories.keys())
    try:
        category = args.category.decode('utf-8')
    except AttributeError:
        category = args.category
    form = {
        "q": args.query,
        "categories": category,
        "pageno": str(args.pageno),
        "language": args.lang,
        "time_range": args.timerange,
    }
    preferences = searx.preferences.Preferences(['simple'], engine_categories, searx.engines.engines, [])
    preferences.key_value_settings['safesearch'].parse(args.safesearch)

    search_query = searx.webadapter.get_search_query_from_webapp(preferences, form)[0]
    return search_query


def no_parsed_url(results: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
    """Remove parsed url from dict."""
    for result in results:
        del result['parsed_url']
    return results


def json_serial(obj: Any) -> Any:
    """JSON serializer for objects not serializable by default json code.

    :raise TypeError: raised when **obj** is not serializable
    """
    if isinstance(obj, datetime):
        serial = obj.isoformat()
        return serial
    if isinstance(obj, bytes):
        return obj.decode('utf8')
    if isinstance(obj, set):
        return list(obj)
    raise TypeError("Type ({}) not serializable".format(type(obj)))


def to_dict(search_query: searx.search.SearchQuery) -> Dict[str, Any]:
    """Get result from parsed arguments."""
    result_container = searx.search.Search(search_query).search()
    result_container_json = {
        "search": {
            "q": search_query.query,
            "pageno": search_query.pageno,
            "lang": search_query.lang,
            "safesearch": search_query.safesearch,
            "timerange": search_query.time_range,
        },
        "results": no_parsed_url(result_container.get_ordered_results()),
        "infoboxes": result_container.infoboxes,
        "suggestions": list(result_container.suggestions),
        "answers": list(result_container.answers),
        "paging": result_container.paging,
        "results_number": result_container.results_number(),
    }
    return result_container_json


def parse_argument(
    args: Optional[List[str]] = None, category_choices: EngineCategoriesVar = None
) -> argparse.Namespace:
    """Parse command line.

    :raise SystemExit: Query argument required on `args`

    Examples:

    >>> import importlib
    ... # load module
    ... spec = importlib.util.spec_from_file_location(
    ...     'utils.standalone_searx', 'utils/standalone_searx.py')
    ... sas = importlib.util.module_from_spec(spec)
    ... spec.loader.exec_module(sas)
    ... sas.parse_argument()
    usage: ptipython [-h] [--category [{general}]] [--lang [LANG]] [--pageno [PAGENO]] [--safesearch [{0,1,2}]] [--timerange [{day,week,month,year}]]
                     query
    SystemExit: 2
    >>> sas.parse_argument(['rain'])
    Namespace(category='general', lang='all', pageno=1, query='rain', safesearch='0', timerange=None)
    """  # noqa: E501
    if not category_choices:
        category_choices = list(searx.engines.categories.keys())
    parser = argparse.ArgumentParser(description='Standalone searx.')
    parser.add_argument('query', type=str, help='Text query')
    parser.add_argument(
        '--category', type=str, nargs='?', choices=category_choices, default='general', help='Search category'
    )
    parser.add_argument('--lang', type=str, nargs='?', default='all', help='Search language')
    parser.add_argument('--pageno', type=int, nargs='?', default=1, help='Page number starting from 1')
    parser.add_argument(
        '--safesearch',
        type=str,
        nargs='?',
        choices=['0', '1', '2'],
        default='0',
        help='Safe content filter from none to strict',
    )
    parser.add_argument(
        '--timerange', type=str, nargs='?', choices=['day', 'week', 'month', 'year'], help='Filter by time range'
    )
    return parser.parse_args(args)


if __name__ == '__main__':
    settings_engines = searx.settings['engines']
    searx.search.load_engines(settings_engines)
    engine_cs = list(searx.engines.categories.keys())
    prog_args = parse_argument(category_choices=engine_cs)
    searx.search.initialize_network(settings_engines, searx.settings['outgoing'])
    searx.search.check_network_configuration()
    searx.search.initialize_metrics([engine['name'] for engine in settings_engines])
    searx.search.initialize_processors(settings_engines)
    search_q = get_search_query(prog_args, engine_categories=engine_cs)
    res_dict = to_dict(search_q)
    sys.stdout.write(dumps(res_dict, sort_keys=True, indent=4, ensure_ascii=False, default=json_serial))