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[doc] grammar & format fixes in engine overview

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Noemi Vanyi 2015-12-01 15:32:06 +01:00
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175
docs/dev/engine_overview.rst
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@ -3,14 +3,13 @@ Engine overview
searx is a `metasearch-engine <https://en.wikipedia.org/wiki/Metasearch_engine>`__, searx is a `metasearch-engine <https://en.wikipedia.org/wiki/Metasearch_engine>`__,
so it is using different search engines to provide better results. so it uses different search engines to provide better results.
Because there is no general search-api which can be used for every Because there is no general search API which could be used for every
search-engine, there must be build an adapter between searx and the search engine, an adapter has to be built between searx and the
external search-engine. This adapters are stored in the folder external search engines. Adapters are stored under the folder
`*searx/engines* <https://github.com/asciimoo/searx/tree/master/searx/engines>`__, `searx/engines
and this site is build to make an general documentation about this <https://github.com/asciimoo/searx/tree/master/searx/engines>`__.
engines
.. contents:: .. contents::
@ -19,17 +18,16 @@ engines
general engine configuration general engine configuration
---------------------------- ----------------------------
It is required to tell searx what results can the engine provide. The It is required to tell searx the type of results the engine provides. The
arguments can be inserted in the engine file, or in the settings file arguments can be set in the engine file or in the settings file
(normally ``settings.yml``). The arguments in the settings file override (normally ``settings.yml``). The arguments in the settings file override
the one in the engine file. the ones in the engine file.
Really, it is for most options no difference if there are contained in It does not matter if an options is stored in the engine file or in the
the engine-file or in the settings. But there is a standard where to settings. However, the standard way is the following:
place specific arguments by default.
engine-file engine file
~~~~~~~~~~~ ~~~~~~~~~~~
+---------------------+-----------+-----------------------------------------+ +---------------------+-----------+-----------------------------------------+
@ -60,27 +58,27 @@ settings.yml
overrides overrides
~~~~~~~~~ ~~~~~~~~~
There are some options, with have default values in the engine, but are A few of the options have default values in the engine, but are
often overwritten by the settings. If the option is assigned in the often overwritten by the settings. If ``None`` is assigned to an option
engine-file with ``None`` it has to be redefined in the settings, in the engine file, it has to be redefined in the settings,
otherwise searx is not starting with that engine. otherwise searx will not start with that engine.
The naming of that overrides can be wathever you want. But we recommend The naming of that overrides is arbitrary. But the recommended
the using of already used overrides if possible: overrides are the following:
+-----------------------+----------+--------------------------------------------------------------+ +-----------------------+----------+----------------------------------------------------------------+
| argument | type | information | | argument | type | information |
+=======================+==========+==============================================================+ +=======================+==========+================================================================+
| base\_url | string | base-url, can be overwrite to use same engine on other url | | base\_url | string | base-url, can be overwritten to use same engine on other URL |
+-----------------------+----------+--------------------------------------------------------------+ +-----------------------+----------+----------------------------------------------------------------+
| number\_of\_results | int | maximum number of results per request | | number\_of\_results | int | maximum number of results per request |
+-----------------------+----------+--------------------------------------------------------------+ +-----------------------+----------+----------------------------------------------------------------+
| language | string | ISO code of language and country like en\_US | | language | string | ISO code of language and country like en\_US |
+-----------------------+----------+--------------------------------------------------------------+ +-----------------------+----------+----------------------------------------------------------------+
| api\_key | string | api-key if required by engine | | api\_key | string | api-key if required by engine |
+-----------------------+----------+--------------------------------------------------------------+ +-----------------------+----------+----------------------------------------------------------------+
example-code example code
~~~~~~~~~~~~ ~~~~~~~~~~~~
.. code:: python .. code:: python
@ -90,21 +88,20 @@ example-code
paging = True paging = True
language_support = True language_support = True
doing request making a request
------------- ----------------
To perform a search you have to specific at least a url on which the To perform a search an URL have to be specified. In addition to
request is performing specifying an URL, arguments can be passed to the query.
passed arguments passed arguments
~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~
This arguments can be used to calculate the search-query. Furthermore, These arguments can be used to construct the search query. Furthermore,
some of that parameters are filled with default values which can be parameters with default value can be redefined for special purposes.
changed for special purpose.
+----------------------+------------+------------------------------------------------------------------------+ +----------------------+------------+------------------------------------------------------------------------+
| argument | type | default-value, informations | | argument | type | default-value, information |
+======================+============+========================================================================+ +======================+============+========================================================================+
| url | string | ``''`` | | url | string | ``''`` |
+----------------------+------------+------------------------------------------------------------------------+ +----------------------+------------+------------------------------------------------------------------------+
@ -132,27 +129,27 @@ changed for special purpose.
parsed arguments parsed arguments
~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~
The function ``def request(query, params):`` is always returning the The function ``def request(query, params):`` always returns the
``params`` variable back. Inside searx, the following paramters can be ``params`` variable. Inside searx, the following paramters can be
used to specific a search-request: used to specify a search request:
+------------+-----------+----------------------------------------------------------+ +------------+-----------+---------------------------------------------------------+
| argument | type | information | | argument | type | information |
+============+===========+==========================================================+ +============+===========+=========================================================+
| url | string | requested url | | url | string | requested url |
+------------+-----------+----------------------------------------------------------+ +------------+-----------+---------------------------------------------------------+
| method | string | HTTP request methode | | method | string | HTTP request method |
+------------+-----------+----------------------------------------------------------+ +------------+-----------+---------------------------------------------------------+
| headers | set | HTTP header informations | | headers | set | HTTP header information |
+------------+-----------+----------------------------------------------------------+ +------------+-----------+---------------------------------------------------------+
| data | set | HTTP data informations (parsed if ``method != 'GET'``) | | data | set | HTTP data information (parsed if ``method != 'GET'``) |
+------------+-----------+----------------------------------------------------------+ +------------+-----------+---------------------------------------------------------+
| cookies | set | HTTP cookies | | cookies | set | HTTP cookies |
+------------+-----------+----------------------------------------------------------+ +------------+-----------+---------------------------------------------------------+
| verify | boolean | Performing SSL-Validity check | | verify | boolean | Performing SSL-Validity check |
+------------+-----------+----------------------------------------------------------+ +------------+-----------+---------------------------------------------------------+
example-code example code
~~~~~~~~~~~~ ~~~~~~~~~~~~
.. code:: python .. code:: python
@ -171,10 +168,10 @@ example-code
return params return params
returning results returned results
----------------- ----------------
Searx has the possiblity to return results in different media-types. Searx is able to return results of different media-types.
Currently the following media-types are supported: Currently the following media-types are supported:
- default - default
@ -183,8 +180,8 @@ Currently the following media-types are supported:
- torrent - torrent
- map - map
to set another media-type as default, you must set the parameter To set another media-type as default, the parameter
``template`` to the required type. ``template`` must be set to the desired type.
default default
~~~~~~~ ~~~~~~~
@ -246,31 +243,31 @@ videos
torrent torrent
~~~~~~~ ~~~~~~~
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| result-parameter | information | | result-parameter | information |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| template | is set to ```torrent.html``` | | template | is set to ```torrent.html``` |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| url | string, which is representing the url of the result | | url | string, which is representing the url of the result |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| title | string, which is representing the title of the result | | title | string, which is representing the title of the result |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| content | string, which is giving a general result-text | | content | string, which is giving a general result-text |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| publishedDate | [datetime.datetime](https://docs.python.org/2/library/datetime.html#datetime-objects), represent when the result is published _(not implemented yet)_ | | publishedDate | `datetime.datetime <https://docs.python.org/2/library/datetime.html#datetime-objects>`__, represent when the result is published *(not implemented yet)* |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| seed | int, number of seeder | | seed | int, number of seeder |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| leech | int, number of leecher | | leech | int, number of leecher |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| filesize | int, size of file in bytes | | filesize | int, size of file in bytes |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| files | int, number of files | | files | int, number of files |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| magnetlink | string, which is the [magnetlink](https://en.wikipedia.org/wiki/Magnet_URI_scheme) of the result | | magnetlink | string, which is the `magnetlink <https://en.wikipedia.org/wiki/Magnet_URI_scheme>`__ of the result |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
| torrentfile | string, which is the torrentfile of the result | | torrentfile | string, which is the torrentfile of the result |
+------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------+
map map