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WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Whoosh, Xapian, etc.) without having tomodify your code.
MULTIPLE INDEXES
Multiple Indexes¶. Much like Django’s multiple database support, Haystack has “multiple index” support.This allows you to talk to several different engines at the same time. It enables things like master-slave setups, multiple language indexing, separate indexes for general search & autocomplete as well as other options.SEARCHFIELD API
SearchField API¶ class SearchField¶. The SearchField and its subclasses provides a way to declare what data you’re interested in indexing. They are used with SearchIndexes, much like forms.*Field are used within forms or models.*Field within models.. They provide both the means for storing data in the index, as well as preparing the data before it’s placed in the index.HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulSIGNAL PROCESSORS
Default - BaseSignalProcessor ¶ The default setup is configured to use the haystack.signals.BaseSignalProcessor class, which includes all the underlying code necessary to handle individual updates/deletes, BUT DOES NOT HOOK UP THE SIGNALS. This means that, by default, NO ACTION IS TAKEN BY HAYSTACK when a model is saved or deleted. The BaseSignalProcessor.setupDEBUGGING HAYSTACK
Note. As a general suggestion, your best friend when debugging an issue is to use the pdb library included with Python. By dropping a import pdb; pdb.set_trace() in your code before the issue occurs, you can step through and examine variable/logic as you progress through. Make sure you don’t commit those pdb lines though. GLOSSARY — HAYSTACK 1.2.5 DOCUMENTATION Glossary¶. Search is a domain full of it’s own jargon and definitions. As this may be an unfamiliar territory to many developers, what follows are some commonly used terms and what theymean.
HAYSTACK - SEARCH FOR DJANGO Community. There is a mailing list available for general discussion. For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net).Finally, if you find a bug or would like to request a feature, please submit an issue. GETTING STARTED WITH HAYSTACK Creating SearchIndexes ¶. SearchIndex objects are the way Haystack determines what data should be placed in the search index and handles the flow of data in. You can think of them as being similar to Django Models or Forms in that they are field-based and manipulate/store data.. You generally create a unique SearchIndex for each type of Model you wish to index, though you can reuse the same WELCOME TO HAYSTACK! Welcome to Haystack! ¶. Welcome to Haystack! Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr , Elasticsearch, Whoosh, Xapian, etc.) without having to modify yourcode.
WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Whoosh, Xapian, etc.) without having tomodify your code.
MULTIPLE INDEXES
Multiple Indexes¶. Much like Django’s multiple database support, Haystack has “multiple index” support.This allows you to talk to several different engines at the same time. It enables things like master-slave setups, multiple language indexing, separate indexes for general search & autocomplete as well as other options.SEARCHFIELD API
SearchField API¶ class SearchField¶. The SearchField and its subclasses provides a way to declare what data you’re interested in indexing. They are used with SearchIndexes, much like forms.*Field are used within forms or models.*Field within models.. They provide both the means for storing data in the index, as well as preparing the data before it’s placed in the index.HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulSIGNAL PROCESSORS
Default - BaseSignalProcessor ¶ The default setup is configured to use the haystack.signals.BaseSignalProcessor class, which includes all the underlying code necessary to handle individual updates/deletes, BUT DOES NOT HOOK UP THE SIGNALS. This means that, by default, NO ACTION IS TAKEN BY HAYSTACK when a model is saved or deleted. The BaseSignalProcessor.setupDEBUGGING HAYSTACK
Note. As a general suggestion, your best friend when debugging an issue is to use the pdb library included with Python. By dropping a import pdb; pdb.set_trace() in your code before the issue occurs, you can step through and examine variable/logic as you progress through. Make sure you don’t commit those pdb lines though. GLOSSARY — HAYSTACK 1.2.5 DOCUMENTATION Glossary¶. Search is a domain full of it’s own jargon and definitions. As this may be an unfamiliar territory to many developers, what follows are some commonly used terms and what theymean.
GETTING STARTED WITH HAYSTACK Modify Your settings.py ¶. Within your settings.py, you’ll need to add a setting to indicate where your site configuration file will live and which backend to use, as well as other settings for that backend.. HAYSTACK_SITECONF is a required settings and should provide a Python import path to a file where you keep your SearchSite configurations in. This will be explained in the next step SITES USING HAYSTACK Sites Using Haystack¶. The following sites are a partial list of people using Haystack. I’m always interested in adding more sites, so please find me (daniellindsley) via IRC or the mailing list thread.HAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive listMULTIPLE INDEXES
Multiple Indexes¶. Much like Django’s multiple database support, Haystack has “multiple index” support.This allows you to talk to several different engines at the same time. It enables things like master-slave setups, multiple language indexing, separate indexes for general search & autocomplete as well as other options. SEARCH — HAYSTACK 2.5.0 DOCUMENTATION Read the Docs v: v3.0 . Versions master latest stable v3.0 v2.8.1 v2.8.0 v2.7.0 v2.6.1 v2.6.0 v2.5.1 v2.5.0 INSTALLING SEARCH ENGINES By default this will create a core with a managed schema. This setup is dynamic but not useful for haystack, and we’ll need to configure solr to use a static (classic) schema.SEARCHBACKEND API
SearchBackend API¶ class SearchBackend (connection_alias, **connection_options) ¶. The SearchBackend class handles interaction directly with the backend. The search query it performs is usually fed to it from a SearchQuery class that has been built for that backend.. This class must be at least partially implemented on a per-backend basis and is usually accompanied by a SearchQuery GLOSSARY — HAYSTACK 2.5.0 DOCUMENTATION Glossary¶. Search is a domain full of its own jargon and definitions. As this may be an unfamiliar territory to many developers, what follows are some commonly used terms and what they mean. FACETING — HAYSTACK 2.5.0 DOCUMENTATION What Is Faceting?¶ Faceting is a way to provide users with feedback about the number of documents which match terms they may be interested in. At its simplest, it gives document counts based on words in the corpus, date ranges, numeric ranges or even advanced queries.INPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features. HAYSTACK - SEARCH FOR DJANGO Community. There is a mailing list available for general discussion. For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net).Finally, if you find a bug or would like to request a feature, please submit an issue. WELCOME TO HAYSTACK! Welcome to Haystack! ¶. Welcome to Haystack! Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr , Elasticsearch, Whoosh, Xapian, etc.) without having to modify yourcode.
GETTING STARTED WITH HAYSTACK Creating SearchIndexes ¶. SearchIndex objects are the way Haystack determines what data should be placed in the search index and handles the flow of data in. You can think of them as being similar to Django Models or Forms in that they are field-based and manipulate/store data.. You generally create a unique SearchIndex for each type of Model you wish to index, though you can reuse the same WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Whoosh, Xapian, etc.) without having tomodify your code.
HAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list INSTALLING SEARCH ENGINES By default this will create a core with a managed schema. This setup is dynamic but not useful for haystack, and we’ll need to configure solr to use a static (classic) schema.TABLE OF CONTENTS
Indices and tables¶. Search Page; Next . © Copyright 2009-2016, Daniel Lindsley Revision 4136ad76. HAYSTACK-RELATED APPLICATIONS Sub Apps¶. These are apps that build on top of the infrastructure provided by Haystack. Useful for essentially extending what Haystackcan do.
HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulINPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features. HAYSTACK - SEARCH FOR DJANGO Community. There is a mailing list available for general discussion. For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net).Finally, if you find a bug or would like to request a feature, please submit an issue. WELCOME TO HAYSTACK! Welcome to Haystack! ¶. Welcome to Haystack! Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr , Elasticsearch, Whoosh, Xapian, etc.) without having to modify yourcode.
GETTING STARTED WITH HAYSTACK Creating SearchIndexes ¶. SearchIndex objects are the way Haystack determines what data should be placed in the search index and handles the flow of data in. You can think of them as being similar to Django Models or Forms in that they are field-based and manipulate/store data.. You generally create a unique SearchIndex for each type of Model you wish to index, though you can reuse the same WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Whoosh, Xapian, etc.) without having tomodify your code.
HAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list INSTALLING SEARCH ENGINES By default this will create a core with a managed schema. This setup is dynamic but not useful for haystack, and we’ll need to configure solr to use a static (classic) schema.TABLE OF CONTENTS
Indices and tables¶. Search Page; Next . © Copyright 2009-2016, Daniel Lindsley Revision 4136ad76. HAYSTACK-RELATED APPLICATIONS Sub Apps¶. These are apps that build on top of the infrastructure provided by Haystack. Useful for essentially extending what Haystackcan do.
HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulINPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features. WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Elasticsearch, Whoosh, Xapian, etc.) without having to modify your code. GETTING STARTED WITH HAYSTACK Modify Your settings.py ¶. Within your settings.py, you’ll need to add a setting to indicate where your site configuration file will live and which backend to use, as well as other settings for that backend.. HAYSTACK_SITECONF is a required settings and should provide a Python import path to a file where you keep your SearchSite configurations in. This will be explained in the next stepHAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list UTILITIES — HAYSTACK 2.5.0 DOCUMENTATION get_identifier ¶ get_identifier (obj_or_string) ¶. Gets an unique identifier for the object or a string representing the object. If not overridden, uses ...SEARCHBACKEND API
SearchBackend API¶ class SearchBackend (connection_alias, **connection_options) ¶. The SearchBackend class handles interaction directly with the backend. The search query it performs is usually fed to it from a SearchQuery class that has been built for that backend.. This class must be at least partially implemented on a per-backend basis and is usually accompanied by a SearchQueryDEBUGGING HAYSTACK
Note. As a general suggestion, your best friend when debugging an issue is to use the pdb library included with Python. By dropping a import pdb; pdb.set_trace() in your code before the issue occurs, you can step through and examine variable/logic as you progress through. Make sure you don’t commit those pdb lines though.RUNNING TESTS
This installs all of the backend libraries & all dependencies for getting the tests going and runs the tests. You will still have to setup search servers (for running SolrMANAGEMENT COMMANDS
--noinput: If provided, the interactive prompts are skipped and the index is unceremoniously wiped out.--verbosity: Accepted but ignored.--using: Update only the named backend (can be used multipletimes).
BOOST — HAYSTACK V1.1.0 DOCUMENTATION Despite all being types of boost, they take place at different times and have slightly different effects on scoring. Term boost happens at query time (when the search query is run) and is based around increasing the score is a certain word/phrase is seen. CREATING NEW BACKENDS Creating New Backends¶. The process should be fairly simple. Create new backend file. Name is important. Two classes inside. SearchBackend (inherit from haystack.backends.BaseSearchBackend) HAYSTACK - SEARCH FOR DJANGO Community. There is a mailing list available for general discussion. For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net).Finally, if you find a bug or would like to request a feature, please submit an issue. WELCOME TO HAYSTACK! Welcome to Haystack! ¶. Welcome to Haystack! Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr , Elasticsearch, Whoosh, Xapian, etc.) without having to modify yourcode.
GETTING STARTED WITH HAYSTACK Creating SearchIndexes ¶. SearchIndex objects are the way Haystack determines what data should be placed in the search index and handles the flow of data in. You can think of them as being similar to Django Models or Forms in that they are field-based and manipulate/store data.. You generally create a unique SearchIndex for each type of Model you wish to index, though you can reuse the same WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Whoosh, Xapian, etc.) without having tomodify your code.
HAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list INSTALLING SEARCH ENGINES By default this will create a core with a managed schema. This setup is dynamic but not useful for haystack, and we’ll need to configure solr to use a static (classic) schema.TABLE OF CONTENTS
Indices and tables¶. Search Page; Next . © Copyright 2009-2016, Daniel Lindsley Revision 4136ad76. HAYSTACK-RELATED APPLICATIONS Sub Apps¶. These are apps that build on top of the infrastructure provided by Haystack. Useful for essentially extending what Haystackcan do.
HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulINPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features. HAYSTACK - SEARCH FOR DJANGO Community. There is a mailing list available for general discussion. For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net).Finally, if you find a bug or would like to request a feature, please submit an issue. WELCOME TO HAYSTACK! Welcome to Haystack! ¶. Welcome to Haystack! Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr , Elasticsearch, Whoosh, Xapian, etc.) without having to modify yourcode.
GETTING STARTED WITH HAYSTACK Creating SearchIndexes ¶. SearchIndex objects are the way Haystack determines what data should be placed in the search index and handles the flow of data in. You can think of them as being similar to Django Models or Forms in that they are field-based and manipulate/store data.. You generally create a unique SearchIndex for each type of Model you wish to index, though you can reuse the same WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Whoosh, Xapian, etc.) without having tomodify your code.
HAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list INSTALLING SEARCH ENGINES By default this will create a core with a managed schema. This setup is dynamic but not useful for haystack, and we’ll need to configure solr to use a static (classic) schema.TABLE OF CONTENTS
Indices and tables¶. Search Page; Next . © Copyright 2009-2016, Daniel Lindsley Revision 4136ad76. HAYSTACK-RELATED APPLICATIONS Sub Apps¶. These are apps that build on top of the infrastructure provided by Haystack. Useful for essentially extending what Haystackcan do.
HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulINPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features. WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Elasticsearch, Whoosh, Xapian, etc.) without having to modify your code. GETTING STARTED WITH HAYSTACK Modify Your settings.py ¶. Within your settings.py, you’ll need to add a setting to indicate where your site configuration file will live and which backend to use, as well as other settings for that backend.. HAYSTACK_SITECONF is a required settings and should provide a Python import path to a file where you keep your SearchSite configurations in. This will be explained in the next stepHAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list UTILITIES — HAYSTACK 2.5.0 DOCUMENTATION get_identifier ¶ get_identifier (obj_or_string) ¶. Gets an unique identifier for the object or a string representing the object. If not overridden, uses ...SEARCHBACKEND API
SearchBackend API¶ class SearchBackend (connection_alias, **connection_options) ¶. The SearchBackend class handles interaction directly with the backend. The search query it performs is usually fed to it from a SearchQuery class that has been built for that backend.. This class must be at least partially implemented on a per-backend basis and is usually accompanied by a SearchQueryDEBUGGING HAYSTACK
Note. As a general suggestion, your best friend when debugging an issue is to use the pdb library included with Python. By dropping a import pdb; pdb.set_trace() in your code before the issue occurs, you can step through and examine variable/logic as you progress through. Make sure you don’t commit those pdb lines though.RUNNING TESTS
This installs all of the backend libraries & all dependencies for getting the tests going and runs the tests. You will still have to setup search servers (for running SolrMANAGEMENT COMMANDS
--noinput: If provided, the interactive prompts are skipped and the index is unceremoniously wiped out.--verbosity: Accepted but ignored.--using: Update only the named backend (can be used multipletimes).
BOOST — HAYSTACK V1.1.0 DOCUMENTATION Despite all being types of boost, they take place at different times and have slightly different effects on scoring. Term boost happens at query time (when the search query is run) and is based around increasing the score is a certain word/phrase is seen. CREATING NEW BACKENDS Creating New Backends¶. The process should be fairly simple. Create new backend file. Name is important. Two classes inside. SearchBackend (inherit from haystack.backends.BaseSearchBackend) HAYSTACK - SEARCH FOR DJANGOHAYSTACK SEARCH Community. There is a mailing list available for general discussion. For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net).Finally, if you find a bug or would like to request a feature, please submit an issue. WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Elasticsearch, Whoosh, Xapian, etc.) without having to modify your code. GETTING STARTED WITH HAYSTACK Creating SearchIndexes ¶. SearchIndex objects are the way Haystack determines what data should be placed in the search index and handles the flow of data in. You can think of them as being similar to Django Models or Forms in that they are field-based and manipulate/store data.. You generally create a unique SearchIndex for each type of Model you wish to index, though you can reuse the sameHAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list INSTALLING SEARCH ENGINES By default this will create a core with a managed schema. This setup is dynamic but not useful for haystack, and we’ll need to configure solr to use a static (classic) schema.TABLE OF CONTENTS
Indices and tables¶. Search Page; Next . © Copyright 2009-2016, Daniel Lindsley Revision 4136ad76. HAYSTACK-RELATED APPLICATIONS Sub Apps¶. These are apps that build on top of the infrastructure provided by Haystack. Useful for essentially extending what Haystackcan do.
HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulRUNNING TESTS
This installs all of the backend libraries & all dependencies for getting the tests going and runs the tests. You will still have to setup search servers (for running SolrINPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features. HAYSTACK - SEARCH FOR DJANGOHAYSTACK SEARCH Community. There is a mailing list available for general discussion. For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net).Finally, if you find a bug or would like to request a feature, please submit an issue. WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Elasticsearch, Whoosh, Xapian, etc.) without having to modify your code. GETTING STARTED WITH HAYSTACK Creating SearchIndexes ¶. SearchIndex objects are the way Haystack determines what data should be placed in the search index and handles the flow of data in. You can think of them as being similar to Django Models or Forms in that they are field-based and manipulate/store data.. You generally create a unique SearchIndex for each type of Model you wish to index, though you can reuse the sameHAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list INSTALLING SEARCH ENGINES By default this will create a core with a managed schema. This setup is dynamic but not useful for haystack, and we’ll need to configure solr to use a static (classic) schema.TABLE OF CONTENTS
Indices and tables¶. Search Page; Next . © Copyright 2009-2016, Daniel Lindsley Revision 4136ad76. HAYSTACK-RELATED APPLICATIONS Sub Apps¶. These are apps that build on top of the infrastructure provided by Haystack. Useful for essentially extending what Haystackcan do.
HIGHLIGHTING
Highlighter ¶. The Highlighter class is a pure-Python implementation included with Haystack that’s designed for flexibility. If you use the {% highlight %} template tag, you’ll be automatically using this class. You can also use it manually in your code. For example: >>> from haystack.utils.highlighting import Highlighter >>> my_text = 'This is a sample block that would be more meaningfulRUNNING TESTS
This installs all of the backend libraries & all dependencies for getting the tests going and runs the tests. You will still have to setup search servers (for running SolrINPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features. WELCOME TO HAYSTACK! Welcome to Haystack!¶ Haystack provides modular search for Django. It features a unified, familiar API that allows you to plug in different search backends (such as Solr, Elasticsearch, Whoosh, Xapian, etc.) without having to modify your code. GETTING STARTED WITH HAYSTACK Modify Your settings.py ¶. Within your settings.py, you’ll need to add a setting to indicate where your site configuration file will live and which backend to use, as well as other settings for that backend.. HAYSTACK_SITECONF is a required settings and should provide a Python import path to a file where you keep your SearchSite configurations in. This will be explained in the next stepHAYSTACK SETTINGS
Haystack Settings¶. As a way to extend/change the default behavior within Haystack, there are several settings you can alter within your settings.py.This is a comprehensive list UTILITIES — HAYSTACK 2.5.0 DOCUMENTATION get_identifier ¶ get_identifier (obj_or_string) ¶. Gets an unique identifier for the object or a string representing the object. If not overridden, uses ...MULTIPLE INDEXES
Multiple Indexes¶. Much like Django’s multiple database support, Haystack has “multiple index” support.This allows you to talk to several different engines at the same time. It enables things like master-slave setups, multiple language indexing, separate indexes for general search & autocomplete as well as other options.SEARCHBACKEND API
SearchBackend API¶ class SearchBackend (connection_alias, **connection_options) ¶. The SearchBackend class handles interaction directly with the backend. The search query it performs is usually fed to it from a SearchQuery class that has been built for that backend.. This class must be at least partially implemented on a per-backend basis and is usually accompanied by a SearchQueryMANAGEMENT COMMANDS
--noinput: If provided, the interactive prompts are skipped and the index is unceremoniously wiped out.--verbosity: Accepted but ignored.--using: Update only the named backend (can be used multipletimes).
RUNNING TESTS
This installs all of the backend libraries & all dependencies for getting the tests going and runs the tests. You will still have to setup search servers (for running Solr BOOST — HAYSTACK V1.1.0 DOCUMENTATION Despite all being types of boost, they take place at different times and have slightly different effects on scoring. Term boost happens at query time (when the search query is run) and is based around increasing the score is a certain word/phrase is seen.INPUT TYPES
Input Types¶. Input types allow you to specify more advanced query behavior. They serve as a way to alter the query, often in backend-specific ways, without altering your Python code; as well as enabling use of more advanced features.HAYSTACK
Modular search for Django* More Like This
* Faceting
* Spatial Search
* Stored (non-indexed) fields* Highlighting
* Spelling Suggestions* Boost
FIND THE NEEDLE YOU'RE LOOKING FOR.* Download
* Documentation
Search doesn't have to be hard. Haystack lets you write your search code once and choose the search engine you want it to run on. With a familiar API that should make any Djangonaut feel right at home and an architecture that allows you to swap things in and out as you need to, it's how search ought to be. Haystack is BSD licensed,
plays nicely with third-party apps without needing to modify the source and supports Solr , Elasticsearch , Whooshand Xapian .
GET STARTED
* Install the package: * Latest stable (2.6.0) off PyPI: pip install django-haystack * Latest dev off GitHub: pip install -e git+https://github.com/django-haystack/django-haystack.git@master#egg=django-haystack * Add haystack to your INSTALLED_APPS. * Create search_indexes.py files for your models. * Setup the main SearchIndex via autodiscover. * Include haystack.urls to your URLconf.* Search!
More information in the full documentation.
COMMUNITY
There is a mailing listavailable for
general discussion.
For those craving real, human interaction, there is also an IRC channel (#haystack on irc.freenode.net). Finally, if you find a bug or would like to request a feature, pleasesubmit an issue
.
HAYSTACK 2.6.0!
Posted on 2017/01/04 Changelog is available here: http://django-haystack.readthedocs.io/en/v2.6.0/changelog.html.HAYSTACK 2.0.0!
Posted on 2013/05/12 by Daniel After two (far too long) years, Haystack v2.0.0 has been released! You can grab it via ``pip install django-haystack==2.0.0``. For those who've been holding off on upgrading, the migration documentation isat
http://django-haystack.readthedocs.org/en/latest/migration_from_1_to_2.html. Haystack v2.0.0 features a huge number of improvements as well as some backward-incompatible changes. Some of the highlights are: * Multiple backends (you have a Solr & a Whoosh index, or a master Solr & a slave Solr, etc.) * An Elasticsearch backend * Big query improvements * Geospatial search (Solr & Elasticsearch only) * The addition of Signal Processors for better control * Input types for improved control over queries * Rich Content Extraction in Solr This update is recommended for most installs. If you're relying on Xapian, you may want to experiment with it but be warned that it's development stalled early in the v2.0 effort.Enjoy!
HAYSTACK 1.2.7
Posted on 2012/04/06 by Daniel The final release of the Haystack 1.X series, v1.2.7, has been released & pushed to PyPI. This release features a number of bugfixes as well as incorporating the addition of the .values()/.values_list() methods. This release is backward-compatible & recommended for mostusers.
All future work will be focused on the 2.X branch (git master) unless security issues are found.News Archive
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