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Eisago, ClojureDocs 2.0 API and Website

Next-gen clojuredocs importer, API, and (eventually) website.

Project Status

This project is a work in progress. If you are interested in helping out, join #clojure-doc on irc.freenode.net.

Getting started

The app uses ElasticSearch as the database. First download the latest ElasticSearch release from the downloads page.

% tar zkxf elasticsearch-0.19.11.tar.gz
% cd elasticsearch-0.19.11
% bin/elasticsearch -f

Then make sure you have a "clojure-1.4.0.json.gz" file (or a file for whatever project you'd like to import), if you don't have one, use lein-clojuredocs or cadastre to generate one.

To import a file using leiningen:

% lein eisago /path/to/clj-http-0.5.7.json.gz
Importing /path/to/clj-http-0.5.7.json.gz...
Done importing /path/to/clj-http-0.5.7.json.gz

Or, from inside eisago.import:

(test-it "/path/to/clojure-1.4.0.json.gz")

(clojure.pprint/pprint (es/meta-for "clojure" "clojure.core" "reduce"))
{:arglists [["f" "coll"] ["f" "val" "coll"]],
 :children
 ({:type "example",
   :id "b6e5a6c931caef73dc9d69065df1f02b",
   :body "This is an example for reduce.",
   :parent-id "e194bda67affc5915db2460bd4bc29a6",
   :index-date "2012-11-12T15:01:19Z"}
  {:type "example",
   :id "141ae10ac4bdf67662dcbd8e30936516",
   :body "This is a different example for reduce.",
   :parent-id "e194bda67affc5915db2460bd4bc29a6",
   :index-date "2012-11-12T15:01:19Z"}
  {:type "comment",
   :id "6cb10162cba16e4de89178d01d13e387",
   :body "This is a comment for reduce.",
   :parent-id "e194bda67affc5915db2460bd4bc29a6",
   :index-date "2012-11-12T15:01:19Z"}),
 :lib-version "1.4.0",
 :ns "clojure.core",
 :name "reduce",
 :library "clojure",
 :doc
 "f should be a function of 2 arguments. ...etc...",
 :index-date #inst "2012-11-12T15:01:17.000-00:00",
 :line 6016,
 :source
 "(defn reduce\n ...etc...",
 :id "e194bda67affc5915db2460bd4bc29a6",
 :file "clojure/core.clj",
 :project "org.clojure/clojure"}
;; :doc and :source shortened to fit here

Or, run the web server and try some REST calls (the default port is 5000):

% lein run

API documentation

Here is Eisago's API, expressed as a list of regular expressions:

#"^/doc/([^/]+)/?$"
#"^/doc/([^/]+)/([^/]+)/([^/]+)/?$"
#"^/meta/([^/]+)/?$"
#"^/meta/([^/]+)/([^/]+)/([^/]+)/?$"
#"^/([^/]+)/([^/]+)/_search/?$"
#"^/([^/]+)/_search/?$"
#"^/_search/?$"
#"^/_projects/?"
#"^/_stats/?$"

/_stats

Returns statistics for the number of documents in ES: {"total":2865,"projects":6,"vars":1870,"examples":872,"comments":117}

/_projects

Returns a list of all projects eisago knows about

% curl -s localhost:5000/_projects | python -mjson.tool

[
  {
    "description": "A Clojure HTTP library wrapping the Apache HttpComponents client.",
    "group": "clj-http",
    "id": "cf3a7423d87a2fa41de6a319cba0244a",
    "index-date": "2012-11-15T14:24:34Z",
    "name": "clj-http",
    "url": "https://github.com/dakrone/clj-http/",
    "version": "0.5.7"
  }
]

/{project}/{namespace}/_search

Also supports:

http://localhost:5000/{project}/_search
http://localhost:5000/_search

Query string options:

q - query to search the database for
name - var name (exact match)
lib - library name (exact match)
ns - namespace (exact match)

For example: ∴ curl -s "localhost:5000/cheshire/_search?name=generate-string" | python -mjson.tool

{
    "hits": [
        {
            "arglists": "",
            "id": "e392c2874d642416631e53dc9e50ebff",
            "library": "cheshire",
            "name": "generate-string",
            "ns": "cheshire.custom",
            "project": "cheshire/cheshire",
            "score": 7.7521086
        },
        {
            "arglists": "([\"obj\"] [\"obj\" \"opt-map\"])",
            "id": "a4ddb023bd73260922955dca6306aedd",
            "library": "cheshire",
            "name": "generate-string",
            "ns": "cheshire.core",
            "project": "cheshire/cheshire",
            "score": 7.5217447
        }
    ],
    "time": 15,
    "total": 2
}

/doc/{project}/{namespace}/{varname}

Returns all information about a var, including comments and examples. Instead of project/namespace/varname, the id of the var can be specified if desired:

% curl -s "localhost:5000/doc/clojure/clojure.core/reduce" | python -mjson.tool % curl -s "localhost:5000/doc/e194bda67affc5915db2460bd4bc29a6" | python -mjson.tool

{
    "arglists": "([\"f\" \"coll\"] [\"f\" \"val\" \"coll\"])",
    "children": [
        {
            "body": "This is an example for reduce.",
            "id": "aa21fbb2034a0492312b0aa316e70b76",
            "index-date": "2012-11-14T22:32:24Z",
            "parent-id": "e194bda67affc5915db2460bd4bc29a6",
            "type": "example"
        },
        {
            "body": "This is a different example for reduce.",
            "id": "64f279cb443cb1488fb4b57990ae0be8",
            "index-date": "2012-11-14T22:32:24Z",
            "parent-id": "e194bda67affc5915db2460bd4bc29a6",
            "type": "example"
        },
        {
            "body": "This is a comment for reduce.",
            "id": "bf00599f524b1a8949b9625f245b1eea",
            "index-date": "2012-11-14T22:32:24Z",
            "parent-id": "e194bda67affc5915db2460bd4bc29a6",
            "type": "comment"
        }
    ],
    "doc": "... documentation here ...",
    "file": "clojure/core.clj",
    "id": "e194bda67affc5915db2460bd4bc29a6",
    "index-date": "2012-11-14T22:32:21Z",
    "lib-version": "1.4.0",
    "library": "clojure",
    "line": 6016,
    "name": "reduce",
    "ns": "clojure.core",
    "project": "org.clojure/clojure",
    "source": "... source code here ..."
}

/meta/{library}/{namespace}/{varname}

Returns all metadata information about a var, (only comments and examples). Instead of project/namespace/varname, the id of the var can be specified if desired:

% curl -s "localhost:5000/meta/clojure/clojure.core/reduce" | python -mjson.tool % curl -s "localhost:5000/meta/e194bda67affc5915db2460bd4bc29a6" | python -mjson.tool

[
    {
        "body": "This is an example for reduce.",
        "id": "aa21fbb2034a0492312b0aa316e70b76",
        "index-date": "2012-11-14T22:32:24Z",
        "parent-id": "e194bda67affc5915db2460bd4bc29a6",
        "type": "example"
    },
    {
        "body": "This is a different example for reduce.",
        "id": "64f279cb443cb1488fb4b57990ae0be8",
        "index-date": "2012-11-14T22:32:24Z",
        "parent-id": "e194bda67affc5915db2460bd4bc29a6",
        "type": "example"
    },
    {
        "body": "This is a comment for reduce.",
        "id": "bf00599f524b1a8949b9625f245b1eea",
        "index-date": "2012-11-14T22:32:24Z",
        "parent-id": "e194bda67affc5915db2460bd4bc29a6",
        "type": "comment"
    }
]

Expect that this API might change between now and any time this is released.

Progress

  • import [stable]
  • api [working, but may change]
  • migration tool [see migrate.clj, done, but requires manual running]
  • website [not started]

To do

  • API for adding examples
  • API for adding comments
  • Tests!

See Also

License

Copyright © 2012 Matthew Lee Hinman