Dataset Collector for HiGitClass

A simple application to collect Github repositories as input datasets of HiGitClass.

Getting Started

These instructions will set the project up for use or development.

Build Prerequisites

• Java Development Kit 11+

Runtime Prerequisites

• Java Runtime Environment 11+

Building the Application

At the root of the project directory, run the following command:

./gradlew shadowJar

A packaged JAR will be generated in build/libs.

Running the Application

java -jar build/libs/HiGitClass-DatasetCollector.jar
# or
cd build/libs && java -jar HiGitClass-DatasetCollector.jar

Run java -jar HiGitClass-DatasetCollector.jar --help for explanation of options, or read below.

Command-Line Options

There are three subcommands supported by this application.

Fetching Repositories (fetch)

This subcommand fetches a list of repositories from GitHub based on a given query.

Required Arguments:

• NUM_TO_FETCH: Number of repositories to fetch

Optional Arguments:

• --token: Specifies the Github Personal Access Token, if any.
  • This may be useful if fetching from a large amount of repositories, as it raises the limit of available requests
• --query: Specifies a custom query to execute.
  • Do not use this option to override the sort field or order!
• --output Specifies a file to output the JSON dataset to.
• --parallel: Download README and repo topics in parallel
• --pretty: Output pretty JSON

Dataset Format Transformation (transform-dataset)

This subcommand transforms the output.json emitted by the fetch command to the format accepted by HiGitClass, which is a list of JSON objects delimited by newlines. In addition, this subcommand also performs text preprocessing and emits dataset.txt required by ESim for embedding discovery.

This step can be run immediately after the data has been collected by fetch, or deferred until all entries in the dataset has been labeled.

Required Arguments:

• [INPUT]: The input file emitted by fetch

Optional Arguments:

• --output-dir: The directory to output Hier.json and dataset.txt

Label Extraction (emit-labels)

This subcommand outputs labels.txt based on the given transformed dataset.

This step should be run only after all entries in the dataset has been labeled.

Required Arguments:

• [INPUT]: The path to the input transformed JSON
  • Note that the file must be transformed (by running through transform-dataset)

Optional Arguments:

• --output: The directory to output labels.txt