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[enh] Add command line engines: git grep, find, etc. (#2128) A new "base" engine called command is introduced. It is the foundation for all command line engines for now. You can use this engine to create your own command line engine. Add some engines (commented out to make sure no one enables anything accidentally): * git grep: This engine lets you grep in the searx repo. * locate: If locate is installed and initialized, you can search on the FS. * find: You can find files with a specific name from where you started searx. * pattern search in files: This engine utilizes the command fgrep. * regex search in files: This engine runs `grep` to find a file based on its contents.
2020-09-08 09:51:53 +02:00
'''
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/ >.
'''
from searx.engines import command as command_engine
from searx.testing import SearxTestCase
class TestCommandEngine(SearxTestCase):
def test_basic_seq_command_engine(self):
ls_engine = command_engine
ls_engine.command = ['seq', '{{QUERY}}']
ls_engine.delimiter = {'chars': ' ', 'keys': ['number']}
expected_results = [
{'number': '1', 'template': 'key-value.html'},
{'number': '2', 'template': 'key-value.html'},
{'number': '3', 'template': 'key-value.html'},
{'number': '4', 'template': 'key-value.html'},
{'number': '5', 'template': 'key-value.html'},
]
results = ls_engine.search('5'.encode('utf-8'), {'pageno': 1})
self.assertEqual(results, expected_results)
def test_delimiter_parsing_command_engine(self):
searx_logs = '''DEBUG:searx.webapp:static directory is /home/n/p/searx/searx/static
DEBUG:searx.webapp:templates directory is /home/n/p/searx/searx/templates
DEBUG:searx.engines:soundcloud engine: Starting background initialization
DEBUG:searx.engines:wolframalpha engine: Starting background initialization
DEBUG:searx.engines:locate engine: Starting background initialization
DEBUG:searx.engines:regex search in files engine: Starting background initialization
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): www.wolframalpha.com
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): soundcloud.com
DEBUG:searx.engines:find engine: Starting background initialization
DEBUG:searx.engines:pattern search in files engine: Starting background initialization
DEBUG:searx.webapp:starting webserver on 127.0.0.1:8888
WARNING:werkzeug: * Debugger is active!
INFO:werkzeug: * Debugger PIN: 299-578-362'''
echo_engine = command_engine
echo_engine.command = ['echo', searx_logs]
echo_engine.delimiter = {'chars': ':', 'keys': ['level', 'component', 'message']}
expected_results_by_page = [
[
{
'component': 'searx.webapp',
'message': 'static directory is /home/n/p/searx/searx/static',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'searx.webapp',
'message': 'templates directory is /home/n/p/searx/searx/templates',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'searx.engines',
'message': 'soundcloud engine: Starting background initialization',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'searx.engines',
'message': 'wolframalpha engine: Starting background initialization',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'searx.engines',
'message': 'locate engine: Starting background initialization',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'searx.engines',
'message': 'regex search in files engine: Starting background initialization',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'urllib3.connectionpool',
'message': 'Starting new HTTPS connection (1): www.wolframalpha.com',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'urllib3.connectionpool',
'message': 'Starting new HTTPS connection (1): soundcloud.com',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'searx.engines',
'message': 'find engine: Starting background initialization',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'searx.engines',
'message': 'pattern search in files engine: Starting background initialization',
'template': 'key-value.html',
'level': 'DEBUG',
},
],
[
{
'component': 'searx.webapp',
'message': 'starting webserver on 127.0.0.1:8888',
'template': 'key-value.html',
'level': 'DEBUG',
},
{
'component': 'werkzeug',
'message': ' * Debugger is active!',
'template': 'key-value.html',
'level': 'WARNING',
},
{
'component': 'werkzeug',
'message': ' * Debugger PIN: 299-578-362',
'template': 'key-value.html',
'level': 'INFO',
},
],
]
for i in [0, 1]:
results = echo_engine.search(''.encode('utf-8'), {'pageno': i + 1})
self.assertEqual(results, expected_results_by_page[i])
def test_regex_parsing_command_engine(self):
txt = '''commit 35f9a8c81d162a361b826bbcd4a1081a4fbe76a7
Author: Noémi Ványi <sitbackandwait@gmail.com>
Date: Tue Oct 15 11:31:33 2019 +0200
first interesting message
commit 6c3c206316153ccc422755512bceaa9ab0b14faa
Author: Noémi Ványi <sitbackandwait@gmail.com>
Date: Mon Oct 14 17:10:08 2019 +0200
second interesting message
commit d8594d2689b4d5e0d2f80250223886c3a1805ef5
Author: Noémi Ványi <sitbackandwait@gmail.com>
Date: Mon Oct 14 14:45:05 2019 +0200
third interesting message
commit '''
git_log_engine = command_engine
git_log_engine.command = ['echo', txt]
git_log_engine.result_separator = '\n\ncommit '
git_log_engine.delimiter = {}
git_log_engine.parse_regex = {
'commit': '\w{40}',
'author': '[\w* ]* <\w*@?\w*\.?\w*>',
'date': 'Date: .*',
'message': '\n\n.*$'
}
expected_results = [
{
'commit': '35f9a8c81d162a361b826bbcd4a1081a4fbe76a7',
'author': ' Noémi Ványi <sitbackandwait@gmail.com>',
'date': 'Date: Tue Oct 15 11:31:33 2019 +0200',
'message': '\n\nfirst interesting message',
'template': 'key-value.html',
},
{
'commit': '6c3c206316153ccc422755512bceaa9ab0b14faa',
'author': ' Noémi Ványi <sitbackandwait@gmail.com>',
'date': 'Date: Mon Oct 14 17:10:08 2019 +0200',
'message': '\n\nsecond interesting message',
'template': 'key-value.html',
},
{
'commit': 'd8594d2689b4d5e0d2f80250223886c3a1805ef5',
'author': ' Noémi Ványi <sitbackandwait@gmail.com>',
'date': 'Date: Mon Oct 14 14:45:05 2019 +0200',
'message': '\n\nthird interesting message',
'template': 'key-value.html',
},
]
results = git_log_engine.search(''.encode('utf-8'), {'pageno': 1})
self.assertEqual(results, expected_results)
def test_working_dir_path_query(self):
ls_engine = command_engine
ls_engine.command = ['ls', '{{QUERY}}']
ls_engine.result_separator = '\n'
ls_engine.delimiter = {'chars': ' ', 'keys': ['file']}
ls_engine.query_type = 'path'
results = ls_engine.search('.'.encode(), {'pageno': 1})
self.assertTrue(len(results) != 0)
forbidden_paths = [
'..',
'../..',
'./..',
'~',
'/var',
]
for forbidden_path in forbidden_paths:
self.assertRaises(ValueError, ls_engine.search, '..'.encode(), {'pageno': 1})
def test_enum_queries(self):
echo_engine = command_engine
echo_engine.command = ['echo', '{{QUERY}}']
echo_engine.query_type = 'enum'
echo_engine.query_enum = ['i-am-allowed-to-say-this', 'and-that']
for allowed in echo_engine.query_enum:
results = echo_engine.search(allowed.encode(), {'pageno': 1})
self.assertTrue(len(results) != 0)
forbidden_queries = [
'forbidden',
'banned',
'prohibited',
]
for forbidden in forbidden_queries:
self.assertRaises(ValueError, echo_engine.search, forbidden.encode(), {'pageno': 1})
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