elyzer 1.2.2

Step-by-Step Debug Elasticsearch Analyzers

# Elyzer

See step-by-step how Elasticsearch custom analyzers decompose your text into tokens.

My therapist said this would be a good idea…

<pre> Doug: hi Eliza: How are you today.. What would you like to discuss? Doug: well I can’t really see how my Elasticsearch analyzers work, on the inside Eliza: How do you know you can’t really see how your Elasticsearch analyzers work, on the inside? Doug: cause I call _analyze, and it does the whole analyzer or just one step Eliza What other reasons might there be? Doug: I guess nobody’s gotten around to making a good debugger Eliza I’m not sure I understand you fully. Doug well just keep reading this README then… Eliza Come, come, elucidate your thoughts. </pre>

# Installation

Install through pip3

(ES 2.x & 5.x)

pip3 install elyzer

# Usage

Give Elyzer some text and have its analyzed. See the process broken down step-by-step on the command line.

Assuming I’d created an english_bigrams custom analyzer for the index tmdb, I would run the analyzer like so

` $ elyzer --es "http://localhost:9200" --index tmdb --analyzer english_bigrams "Mary had a little lamb" TOKENIZER: standard {1:Mary} {2:had} {3:a} {4:little} {5:lamb} TOKEN_FILTER: standard {1:Mary} {2:had} {3:a} {4:little} {5:lamb} TOKEN_FILTER: lowercase {1:mary} {2:had} {3:a} {4:little} {5:lamb} TOKEN_FILTER: porter_stem {1:mari} {2:had} {3:a} {4:littl} {5:lamb} TOKEN_FILTER: bigram_filter {1:mari had} {2:had a} {3:a littl} {4:littl lamb} `

Output is each token, prefixed by the numerical position attribute in the token stream at each step.

## Args

There are four required command line args:

• es: the elasticsearch host (ie http://localhost:9200)

• index: name of the index where your custom analyzer can be found

• analyzer: name of your custom analyzer

• text: the text to analyze

# Shortcomings

aka “Areas for Improvement” - Only works for custom analyzers right now (as it accesses the settings for your index) - Attributes besides the token text and position would be handy

## Who?

Created by [OpenSource Connections](http://opensourceconnections.com)

## License

Released under [Apache 2](LICENSE.txt)