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							    < title > Demo Online Engine —  SearXNG Documentation (2025.2.9+a1e2b2546)< / title > 
 
						
						
						
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							        < li  class = "nav-item nav-item-0" > < a  href = "../../../index.html" > SearXNG Documentation (2025.2.9+a1e2b2546)< / a >  » < / li > 
 
						
						
						
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							        < li  class = "nav-item nav-item-this" > < a  href = "" > Demo Online Engine< / a > < / li >  
 
						
						
						
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							< span  id = "id1" > < / span > < h1 > Demo Online Engine< a  class = "headerlink"  href = "#demo-online-engine"  title = "Link to this heading" > ¶< / a > < / h1 > 
 
						
						
						
							< p  id = "module-searx.engines.demo_online" > Within this module we implement a < em > demo online engine< / em > .  Do not look to
 
						
						
						
							close to the implementation, its just a simple example which queries < a  class = "reference external"  href = "https://www.artic.edu" > The Art
 
						
						
						
							Institute of Chicago< / a > < / p > 
 
						
						
						
							< p > To get in use of this < em > demo< / em >  engine add the following entry to your engines
 
						
						
						
							list in < code  class = "docutils literal notranslate" > < span  class = "pre" > settings.yml< / span > < / code > :< / p > 
 
						
						
						
							< div  class = "highlight-yaml notranslate" > < div  class = "highlight" > < pre > < span > < / span > < span  class = "p p-Indicator" > -< / span > < span  class = "w" >  < / span > < span  class = "nt" > name< / span > < span  class = "p" > :< / span > < span  class = "w" >  < / span > < span  class = "l l-Scalar l-Scalar-Plain" > my online engine< / span > 
 
						
						
						
							< span  class = "w" >   < / span > < span  class = "nt" > engine< / span > < span  class = "p" > :< / span > < span  class = "w" >  < / span > < span  class = "l l-Scalar l-Scalar-Plain" > demo_online< / span > 
 
						
						
						
							< span  class = "w" >   < / span > < span  class = "nt" > shortcut< / span > < span  class = "p" > :< / span > < span  class = "w" >  < / span > < span  class = "l l-Scalar l-Scalar-Plain" > demo< / span > 
 
						
						
						
							< span  class = "w" >   < / span > < span  class = "nt" > disabled< / span > < span  class = "p" > :< / span > < span  class = "w" >  < / span > < span  class = "l l-Scalar l-Scalar-Plain" > false< / span > 
 
						
						
						
							< / pre > < / div > 
 
						
						
						
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							< dl  class = "py function" > 
 
						
						
						
							< dt  class = "sig sig-object py"  id = "searx.engines.demo_online.init" > 
 
						
						
						
							< span  class = "sig-prename descclassname" > < span  class = "pre" > searx.engines.demo_online.< / span > < / span > < span  class = "sig-name descname" > < span  class = "pre" > init< / span > < / span > < span  class = "sig-paren" > (< / span > < em  class = "sig-param" > < span  class = "n" > < span  class = "pre" > engine_settings< / span > < / span > < / em > < span  class = "sig-paren" > )< / span > < a  class = "reference internal"  href = "../../../_modules/searx/engines/demo_online.html#init" > < span  class = "viewcode-link" > < span  class = "pre" > [source]< / span > < / span > < / a > < a  class = "headerlink"  href = "#searx.engines.demo_online.init"  title = "Link to this definition" > ¶< / a > < / dt > 
 
						
						
						
							< dd > < p > Initialization of the (online) engine.  If no initialization is needed, drop
 
						
						
						
							this init function.< / p > 
 
						
						
						
							< / dd > < / dl > 
 
						
						
						
							
 
						
						
						
							< dl  class = "py function" > 
 
						
						
						
							< dt  class = "sig sig-object py"  id = "searx.engines.demo_online.request" > 
 
						
						
						
							< span  class = "sig-prename descclassname" > < span  class = "pre" > searx.engines.demo_online.< / span > < / span > < span  class = "sig-name descname" > < span  class = "pre" > request< / span > < / span > < span  class = "sig-paren" > (< / span > < em  class = "sig-param" > < span  class = "n" > < span  class = "pre" > query< / span > < / span > < / em > , < em  class = "sig-param" > < span  class = "n" > < span  class = "pre" > params< / span > < / span > < / em > < span  class = "sig-paren" > )< / span > < a  class = "reference internal"  href = "../../../_modules/searx/engines/demo_online.html#request" > < span  class = "viewcode-link" > < span  class = "pre" > [source]< / span > < / span > < / a > < a  class = "headerlink"  href = "#searx.engines.demo_online.request"  title = "Link to this definition" > ¶< / a > < / dt > 
 
						
						
						
							< dd > < p > Build up the < code  class = "docutils literal notranslate" > < span  class = "pre" > params< / span > < / code >  for the online request.  In this example we build a
 
						
						
						
							URL to fetch images from < a  class = "reference external"  href = "https://artic.edu" > artic.edu< / a > < / p > 
 
						
						
						
							< / dd > < / dl > 
 
						
						
						
							
 
						
						
						
							< dl  class = "py function" > 
 
						
						
						
							< dt  class = "sig sig-object py"  id = "searx.engines.demo_online.response" > 
 
						
						
						
							< span  class = "sig-prename descclassname" > < span  class = "pre" > searx.engines.demo_online.< / span > < / span > < span  class = "sig-name descname" > < span  class = "pre" > response< / span > < / span > < span  class = "sig-paren" > (< / span > < em  class = "sig-param" > < span  class = "n" > < span  class = "pre" > resp< / span > < / span > < / em > < span  class = "sig-paren" > )< / span >  < span  class = "sig-return" > < span  class = "sig-return-icon" > → < / span >  < span  class = "sig-return-typehint" > < a  class = "reference internal"  href = "../index.html#searx.result_types.EngineResults"  title = "searx.result_types.EngineResults" > < span  class = "pre" > EngineResults< / span > < / a > < / span > < / span > < a  class = "reference internal"  href = "../../../_modules/searx/engines/demo_online.html#response" > < span  class = "viewcode-link" > < span  class = "pre" > [source]< / span > < / span > < / a > < a  class = "headerlink"  href = "#searx.engines.demo_online.response"  title = "Link to this definition" > ¶< / a > < / dt > 
 
						
						
						
							< dd > < p > Parse out the result items from the response.  In this example we parse the
 
						
						
						
							response from < a  class = "reference external"  href = "https://artic.edu" > api.artic.edu< / a >  and filter out all
 
						
						
						
							images.< / p > 
 
						
						
						
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							< li  class = "toctree-l1" > < a  class = "reference internal"  href = "../../../user/index.html" > User information< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l1" > < a  class = "reference internal"  href = "../../../own-instance.html" > Why use a private instance?< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l1" > < a  class = "reference internal"  href = "../../../admin/index.html" > Administrator documentation< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l1 current" > < a  class = "reference internal"  href = "../../index.html" > Developer documentation< / a > < ul  class = "current" > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../quickstart.html" > Development Quickstart< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../rtm_asdf.html" > Runtime Management< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../contribution_guide.html" > How to contribute< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../extended_types.html" > Extended Types< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2 current" > < a  class = "reference internal"  href = "../index.html" > Engine Implementations< / a > < ul  class = "current" > 
 
						
						
						
							< li  class = "toctree-l3" > < a  class = "reference internal"  href = "../enginelib.html" > Engine Library< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l3" > < a  class = "reference internal"  href = "../engines.html" > SearXNG’ < / a > < / li > 
 
						
						
						
							< li  class = "toctree-l3" > < a  class = "reference internal"  href = "../engine_overview.html" > Engine Overview< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l3" > < a  class = "reference internal"  href = "../index.html#resultlist-and-engines" > ResultList and engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l3 current" > < a  class = "reference internal"  href = "../index.html#engine-types" > Engine Types< / a > < ul  class = "current" > 
 
						
						
						
							< li  class = "toctree-l4 current" > < a  class = "reference internal"  href = "../index.html#online-engines" > Online Engines< / a > < ul  class = "current" > 
 
						
						
						
							< li  class = "toctree-l5 current" > < a  class = "current reference internal"  href = "#" > Demo Online Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../xpath.html" > XPath Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../mediawiki.html" > MediaWiki Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../json_engine.html" > JSON Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/adobe_stock.html" > Adobe Stock< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/alpinelinux.html" > Alpine Linux Packages< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/annas_archive.html" > Anna’ < / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/archlinux.html" > Arch Linux< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/bing.html" > Bing Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/bpb.html" > Bpb< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/brave.html" > Brave Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/bt4g.html" > BT4G< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/dailymotion.html" > Dailymotion< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/discourse.html" > Discourse Forums< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/duckduckgo.html" > DuckDuckGo Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/geizhals.html" > Geizhals< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/gitea.html" > Gitea< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/gitlab.html" > GitLab< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/google.html" > Google Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/lemmy.html" > Lemmy< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/loc.html" > Library of Congress< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/mastodon.html" > Mastodon< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/moviepilot.html" > Moviepilot< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/mrs.html" > Matrix Rooms Search (MRS)< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/mullvad_leta.html" > Mullvad-Leta< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/mwmbl.html" > Mwmbl Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/odysee.html" > Odysee< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/peertube.html" > Peertube Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/piped.html" > Piped< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/presearch.html" > Presearch Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/qwant.html" > Qwant< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/radio_browser.html" > RadioBrowser< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/recoll.html" > Recoll Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/seekr.html" > Seekr Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/startpage.html" > Startpage Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/tagesschau.html" > Tagesschau API< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/torznab.html" > Torznab WebAPI< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/void.html" > Void Linux binary packages< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/wallhaven.html" > Wallhaven< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/wikipedia.html" > Wikimedia< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/yacy.html" > Yacy< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/yahoo.html" > Yahoo Engine< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l5" > < a  class = "reference internal"  href = "../online/zlibrary.html" > Z-Library< / a > < / li > 
 
						
						
						
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							< li  class = "toctree-l4" > < a  class = "reference internal"  href = "../index.html#offline-engines" > Offline Engines< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l4" > < a  class = "reference internal"  href = "../index.html#online-url-search" > Online URL Search< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l4" > < a  class = "reference internal"  href = "../index.html#online-currency" > Online Currency< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l4" > < a  class = "reference internal"  href = "../index.html#online-dictionary" > Online Dictionary< / a > < / li > 
 
						
						
						
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							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../result_types/index.html" > Result Types< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../templates.html" > Simple Theme Templates< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../search_api.html" > Search API< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../plugins/index.html" > Plugins< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../answerers/index.html" > Answerers< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../translation.html" > Translation< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../lxcdev.html" > Developing in Linux Containers< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../makefile.html" > Makefile &  < code  class = "docutils literal notranslate" > < span  class = "pre" > ./manage< / span > < / code > < / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../reST.html" > reST primer< / a > < / li > 
 
						
						
						
							< li  class = "toctree-l2" > < a  class = "reference internal"  href = "../../searxng_extra/index.html" > Tooling box < code  class = "docutils literal notranslate" > < span  class = "pre" > searxng_extra< / span > < / code > < / a > < / li > 
 
						
						
						
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							< li  class = "toctree-l1" > < a  class = "reference internal"  href = "../../../utils/index.html" > DevOps tooling box< / a > < / li > 
 
						
						
						
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							  < h3 > Project Links< / h3 > 
 
						
						
						
							  < ul > 
 
						
						
						
							    < li > < a  href = "https://github.com/searxng/searxng/tree/master" > Source< / a > 
 
						
						
						
							  
 
						
						
						
							    < li > < a  href = "https://github.com/searxng/searxng/wiki" > Wiki< / a > 
 
						
						
						
							  
 
						
						
						
							    < li > < a  href = "https://searx.space" > Public instances< / a > 
 
						
						
						
							  
 
						
						
						
							    < li > < a  href = "https://github.com/searxng/searxng/issues" > Issue Tracker< / a > 
 
						
						
						
							  < / ul > < h3 > Navigation< / h3 > 
 
						
						
						
							< ul > 
 
						
						
						
							  < li > < a  href = "../../../index.html" > Overview< / a > 
 
						
						
						
							    < ul > 
 
						
						
						
							      < li > < a  href = "../../index.html" > Developer documentation< / a > 
 
						
						
						
							        < ul > 
 
						
						
						
							      < li > < a  href = "../index.html" > Engine Implementations< / a > 
 
						
						
						
							        < ul > 
 
						
						
						
							          < li > Previous: < a  href = "../engine_overview.html"  title = "previous chapter" > Engine Overview< / a > 
 
						
						
						
							          < li > Next: < a  href = "../xpath.html"  title = "next chapter" > XPath Engine< / a > < / ul > 
 
						
						
						
							      < / li > < / ul > 
 
						
						
						
							      < / li > 
 
						
						
						
							    < / ul > 
 
						
						
						
							  < / li > 
 
						
						
						
							< / ul > 
 
						
						
						
							< search  id = "searchbox"  style = "display: none"  role = "search" > 
 
						
						
						
							  < h3  id = "searchlabel" > Quick search< / h3 > 
 
						
						
						
							    < div  class = "searchformwrapper" > 
 
						
						
						
							    < form  class = "search"  action = "../../../search.html"  method = "get" > 
 
						
						
						
							      < input  type = "text"  name = "q"  aria-labelledby = "searchlabel"  autocomplete = "off"  autocorrect = "off"  autocapitalize = "off"  spellcheck = "false" / > 
 
						
						
						
							      < input  type = "submit"  value = "Go"  / > 
 
						
						
						
							    < / form > 
 
						
						
						
							    < / div > 
 
						
						
						
							< / search > 
 
						
						
						
							< script > document . getElementById ( 'searchbox' ) . style . display  =  "block" < / script > 
 
						
						
						
							  < div  role = "note"  aria-label = "source link" > 
 
						
						
						
							    < h3 > This Page< / h3 > 
 
						
						
						
							    < ul  class = "this-page-menu" > 
 
						
						
						
							      < li > < a  href = "../../../_sources/dev/engines/demo/demo_online.rst.txt" 
 
						
						
						
							            rel = "nofollow" > Show Source< / a > < / li > 
 
						
						
						
							    < / ul > 
 
						
						
						
							   < / div > 
 
						
						
						
							        < / div > 
 
						
						
						
							      < / div > 
 
						
						
						
							      < div  class = "clearer" > < / div > 
 
						
						
						
							    < / div > 
 
						
						
						
							    < div  class = "footer"  role = "contentinfo" > 
 
						
						
						
							    ©  Copyright SearXNG team.
 
						
						
						
							    < / div > 
 
						
						
						
							  < / body > 
 
						
						
						
							< / html >