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PROTOCOLS.md

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Protocols

This document describes the common protocols for document exchange between terminals (connectors and sockets).

The name of the protocol is meant as a hint, although keeping track of a common set of protocols would be good.

esdoc

esdoc (general)

Used by

ElasticsearchReader.output (socket)
ElasticsearchWriter.input (connector)
ElasticsearchWriter.output (socket)
CsvConverter.output (socket)
HtmlRemover.input (connector)
HtmlRemover.output (soclet)
PatternRemover.input (connector)
PatternRemover.output (socket)

Format

_index          str
_type           str
_id             str
_version        int
_timestamp      str
_source         dict  # Dict of { field : value }

All fields are optional, depending on the case

esdoc.webpage

Used by

WebGetter.output (socket)

Format

_id                str          # Using the URL as ID
_type              str          # "webpage"
_timestamp         datetime     # When the content was fetched
_source            dict of ...
    domain         str
    requested_by   list         # Of of dicts of format [ what : [ who, ...] }, ... ]
    content        str
    content_type   str
    encoding       str
    date           datetime     # Web page publishing date as reported by HTTP header

esdoc.4chan

Used by

FourChanMonitor.esdoc

Format

_id                int   # Post number at 4chan
_type              str   # "4chan"
_source
    id             int   # Post number at 4chan
    board          str   # Board id
    thread         int   # Thread id
    timestamp      int   # Time of posting
    author         str   # Name of author, most commonly "Anonymous"
    comment        str   # Text comment
    filename       str   # Filename, with extension
    response_to    int   # Post number this post is a response to. 0 if original posting (i.e. not a response)

urlrequest

Used by

WebGetter.input (connector)

Format

url             str  #
what            str  # Source requesting the url, e.g. "twitter_mon"
who             str  # Who requested it, e.g. some user id from the source

csv

Used by

CsvConverter.input (connector)

Format

"field","field,"field","..."

graph-edge

The graph-edge protocol is simply a dictionary with three mandatory keys, that together represents an edge.

Used by Neo4jWriter.edge (connector)

Format

from    str # The property-id of the source node
type    str # The type of the edge. ("follows", "author", "mention", "quote")
to      str # The property-id of the receiving node

Note that all fields are mandatory.

graph-user

The graph-user protocol is a dictionary holding properties.

Used by

Neo4jWriter.user (connector)
TwitterUserGetter.user (socket)

Format

id              str              
location        str             #Optional
description     str             #Optional
screen_name     str             #Optional
lang            str             #Optional
name            str             #Optional
created_at      date.isoformat()#Optional