download-models.gradle 1.62 KB
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/*
 * download-models.gradle
 *     Downloads model files from ${MODEL_URL} into application's asset folder
 * Input:
 *     project.ext.TMP_DIR: absolute path to hold downloaded zip files
 *     project.ext.ASSET_DIR: absolute path to save unzipped model files
 * Output:
 *     3 model files will be downloaded into given folder of ext.ASSET_DIR
 */
// hard coded model files
def models = ['extraction.zip']

// Root URL for model archives
def MODEL_URL = 'https://github.com/PariksheetPinjari909/TVM_models/blob/master/extraction_model'
buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'de.undercouch:gradle-download-task:3.2.0'
    }
}

import de.undercouch.gradle.tasks.download.Download
task downloadFile(type: Download){
    for (f in models) {
        src "${MODEL_URL}/" + f + "?raw=true"
        dest new File(project.ext.TMP_DIR + "/" + f)
    }
    overwrite true
}

task extractModels(type: Copy) {
    def needDownload = false
    for (f in models) {
        def localFile = f.split("/")[-1]
        if (!(new File(project.ext.TMP_DIR + '/' + localFile)).exists()) {
            needDownload = true
        }
    }

    if (needDownload) {
        dependsOn downloadFile
    }

    for (f in models) {
        def localFile = f.split("/")[-1]
        from zipTree(project.ext.TMP_DIR + '/' + localFile)
    }

    into file(project.ext.ASSET_DIR)
    fileMode  0644
    exclude '**/LICENSE'
}

tasks.whenTaskAdded { task ->
    if (task.name == 'assembleDebug') {
        task.dependsOn 'extractModels'
    }
    if (task.name == 'assembleRelease') {
        task.dependsOn 'extractModels'
    }
}