How to use unzip method in fMBT

Best Python code snippet using fMBT_python

unzip.js

Source:unzip.js

...16var util = require('../util');17var unzipTools = {18  extract: extract19  // expose this function for simple testing20};var unzip = function unzip(_ref) {21  var zipFilePath = _ref.zipFilePath,22      installDir = _ref.installDir,23      progress = _ref.progress;24  debug('unzipping from %s', zipFilePath);25  debug('into', installDir);26  if (!zipFilePath) {27    throw new Error('Missing zip filename');28  }29  var startTime = Date.now();30  var yauzlDoneTime = 0;31  return fs.ensureDirAsync(installDir).then(function () {32    return new Promise(function (resolve, reject) {33      return yauzl.open(zipFilePath, function (err, zipFile) {34        yauzlDoneTime = Date.now();35        if (err) {36          debug('error using yauzl %s', err.message);37          return reject(err);38        }39        var total = zipFile.entryCount;40        debug('zipFile entries count', total);41        var started = new Date();42        var percent = 0;43        var count = 0;44        var notify = function notify(percent) {45          var elapsed = +new Date() - +started;46          var eta = util.calculateEta(percent, elapsed);47          progress.onProgress(percent, util.secsRemaining(eta));48        };49        var tick = function tick() {50          count += 1;51          percent = count / total * 100;52          var displayPercent = percent.toFixed(0);53          return notify(displayPercent);54        };55        var unzipWithNode = function unzipWithNode() {56          debug('unzipping with node.js (slow)');57          var endFn = function endFn(err) {58            if (err) {59              debug('error %s', err.message);60              return reject(err);61            }62            debug('node unzip finished');63            return resolve();64          };65          var opts = {66            dir: installDir,67            onEntry: tick68          };69          debug('calling Node extract tool %s %o', zipFilePath, opts);70          return unzipTools.extract(zipFilePath, opts, endFn);71        };72        var unzipFallback = _.once(unzipWithNode);73        var unzipWithUnzipTool = function unzipWithUnzipTool() {74          debug('unzipping via `unzip`');75          var inflatingRe = /inflating:/;76          var sp = cp.spawn('unzip', ['-o', zipFilePath, '-d', installDir]);77          sp.on('error', function (err) {78            debug('unzip tool error: %s', err.message);79            unzipFallback();80          });81          sp.on('close', function (code) {82            debug('unzip tool close with code %d', code);83            if (code === 0) {84              percent = 100;85              notify(percent);86              return resolve();87            }88            debug('`unzip` failed %o', { code: code });89            return unzipFallback();90          });91          sp.stdout.on('data', function (data) {92            if (inflatingRe.test(data)) {93              return tick();94            }95          });96          sp.stderr.on('data', function (data) {97            debug('`unzip` stderr %s', data);98          });99        };100        // we attempt to first unzip with the native osx101        // ditto because its less likely to have problems102        // with corruption, symlinks, or icons causing failures103        // and can handle resource forks104        // http://automatica.com.au/2011/02/unzip-mac-os-x-zip-in-terminal/105        var unzipWithOsx = function unzipWithOsx() {106          debug('unzipping via `ditto`');107          var copyingFileRe = /^copying file/;108          var sp = cp.spawn('ditto', ['-xkV', zipFilePath, installDir]);109          // f-it just unzip with node110          sp.on('error', function (err) {111            debug(err.message);112            unzipFallback();113          });114          sp.on('close', function (code) {115            if (code === 0) {116              // make sure we get to 100% on the progress bar117              // because reading in lines is not really accurate118              percent = 100;119              notify(percent);120              return resolve();121            }122            debug('`ditto` failed %o', { code: code });123            return unzipFallback();124          });125          return readline.createInterface({126            input: sp.stderr127          }).on('line', function (line) {128            if (copyingFileRe.test(line)) {129              return tick();130            }131          });132        };133        switch (os.platform()) {134          case 'darwin':135            return unzipWithOsx();136          case 'linux':137            return unzipWithUnzipTool();138          case 'win32':139            return unzipWithNode();140          default:141            return;142        }143      });144    }).tap(function () {145      debug('unzip completed %o', {146        yauzlMs: yauzlDoneTime - startTime,147        unzipMs: Date.now() - yauzlDoneTime148      });149    });150  });151};152var start = function start(_ref2) {153  var zipFilePath = _ref2.zipFilePath,154      installDir = _ref2.installDir,155      progress = _ref2.progress;156  la(is.unemptyString(installDir), 'missing installDir');157  if (!progress) {158    progress = { onProgress: function onProgress() {159        return {};160      } };161  }162  return fs.pathExists(installDir).then(function (exists) {163    if (exists) {164      debug('removing existing unzipped binary', installDir);165      return fs.removeAsync(installDir);166    }167  }).then(function () {168    return unzip({ zipFilePath: zipFilePath, installDir: installDir, progress: progress });169  }).catch(throwFormErrorText(errors.failedUnzip));170};171module.exports = {172  start: start,173  utils: {174    unzip: unzip,175    unzipTools: unzipTools176  }...

unzip_spec.js

Source:unzip_spec.js

1require('../../spec_helper')2const events = require('events')3const os = require('os')4const path = require('path')5const snapshot = require('../../support/snapshot')6const cp = require('child_process')7const debug = require('debug')('test')8const readline = require('readline')9const fs = require(`${lib}/fs`)10const util = require(`${lib}/util`)11const logger = require(`${lib}/logger`)12const unzip = require(`${lib}/tasks/unzip`)13const stdout = require('../../support/stdout')14const normalize = require('../../support/normalize')15const version = '1.2.3'16const installDir = path.join(os.tmpdir(), 'Cypress', version)17describe('lib/tasks/unzip', function () {18  require('mocha-banner').register()19  beforeEach(function () {20    this.stdout = stdout.capture()21    os.platform.returns('darwin')22    sinon.stub(util, 'pkgVersion').returns(version)23  })24  afterEach(function () {25    stdout.restore()26    // return fs.removeAsync(installationDir)27  })28  it('throws when cannot unzip', function () {29    const ctx = this30    return unzip31    .start({32      zipFilePath: path.join('test', 'fixture', 'bad_example.zip'),33      installDir,34    })35    .then(() => {36      throw new Error('should have failed')37    })38    .catch((err) => {39      logger.error(err)40      snapshot('unzip error 1', normalize(ctx.stdout.toString()))41    })42  })43  it('can really unzip', function () {44    const onProgress = sinon.stub().returns(undefined)45    return unzip46    .start({47      zipFilePath: path.join('test', 'fixture', 'example.zip'),48      installDir,49      progress: { onProgress },50    })51    .then(() => {52      expect(onProgress).to.be.called53      return fs.statAsync(installDir)54    })55  })56  context('on linux', () => {57    beforeEach(() => {58      os.platform.returns('linux')59    })60    it('can try unzip first then fall back to node unzip', function (done) {61      const zipFilePath = path.join('test', 'fixture', 'example.zip')62      sinon.stub(unzip.utils.unzipTools, 'extract').callsFake((filePath, opts, cb) => {63        debug('unzip extract called with %s', filePath)64        expect(filePath, 'zipfile is the same').to.equal(zipFilePath)65        expect(cb, 'has callback').to.be.a('function')66        setTimeout(cb, 10)67      })68      const unzipChildProcess = new events.EventEmitter()69      unzipChildProcess.stdout = {70        on () {},71      }72      unzipChildProcess.stderr = {73        on () {},74      }75      sinon.stub(cp, 'spawn').withArgs('unzip').returns(unzipChildProcess)76      setTimeout(() => {77        debug('emitting unzip error')78        unzipChildProcess.emit('error', new Error('unzip fails badly'))79      }, 100)80      unzip81      .start({82        zipFilePath,83        installDir,84      })85      .then(() => {86        debug('checking if unzip was called')87        expect(cp.spawn, 'unzip spawn').to.have.been.calledWith('unzip')88        expect(unzip.utils.unzipTools.extract, 'extract called').to.be.calledWith(zipFilePath)89        expect(unzip.utils.unzipTools.extract, 'extract called once').to.be.calledOnce90        done()91      })92    })93    it('calls node unzip just once', function (done) {94      const zipFilePath = path.join('test', 'fixture', 'example.zip')95      sinon.stub(unzip.utils.unzipTools, 'extract').callsFake((filePath, opts, cb) => {96        debug('unzip extract called with %s', filePath)97        expect(filePath, 'zipfile is the same').to.equal(zipFilePath)98        expect(cb, 'has callback').to.be.a('function')99        setTimeout(cb, 10)100      })101      const unzipChildProcess = new events.EventEmitter()102      unzipChildProcess.stdout = {103        on () {},104      }105      unzipChildProcess.stderr = {106        on () {},107      }108      sinon.stub(cp, 'spawn').withArgs('unzip').returns(unzipChildProcess)109      setTimeout(() => {110        debug('emitting unzip error')111        unzipChildProcess.emit('error', new Error('unzip fails badly'))112      }, 100)113      setTimeout(() => {114        debug('emitting unzip close')115        unzipChildProcess.emit('close', 1)116      }, 110)117      unzip118      .start({119        zipFilePath,120        installDir,121      })122      .then(() => {123        debug('checking if unzip was called')124        expect(cp.spawn, 'unzip spawn').to.have.been.calledWith('unzip')125        expect(unzip.utils.unzipTools.extract, 'extract called').to.be.calledWith(zipFilePath)126        expect(unzip.utils.unzipTools.extract, 'extract called once').to.be.calledOnce127        done()128      })129    })130  })131  context('on Mac', () => {132    beforeEach(() => {133      os.platform.returns('darwin')134    })135    it('calls node unzip just once', function (done) {136      const zipFilePath = path.join('test', 'fixture', 'example.zip')137      sinon.stub(unzip.utils.unzipTools, 'extract').callsFake((filePath, opts, cb) => {138        debug('unzip extract called with %s', filePath)139        expect(filePath, 'zipfile is the same').to.equal(zipFilePath)140        expect(cb, 'has callback').to.be.a('function')141        setTimeout(cb, 10)142      })143      const unzipChildProcess = new events.EventEmitter()144      unzipChildProcess.stdout = {145        on () {},146      }147      unzipChildProcess.stderr = {148        on () {},149      }150      sinon.stub(cp, 'spawn').withArgs('ditto').returns(unzipChildProcess)151      sinon.stub(readline, 'createInterface').returns({152        on: () => {},153      })154      setTimeout(() => {155        debug('emitting ditto error')156        unzipChildProcess.emit('error', new Error('ditto fails badly'))157      }, 100)158      setTimeout(() => {159        debug('emitting ditto close')160        unzipChildProcess.emit('close', 1)161      }, 110)162      unzip163      .start({164        zipFilePath,165        installDir,166      })167      .then(() => {168        debug('checking if unzip was called')169        expect(cp.spawn, 'unzip spawn').to.have.been.calledWith('ditto')170        expect(unzip.utils.unzipTools.extract, 'extract called').to.be.calledWith(zipFilePath)171        expect(unzip.utils.unzipTools.extract, 'extract called once').to.be.calledOnce172        done()173      })174    })175  })...

UnZipTerrainData.js

Source:UnZipTerrainData.js

1/**2 * Cesium - https://github.com/AnalyticalGraphicsInc/cesium3 *4 * Copyright 2011-2017 Cesium Contributors5 *6 * Licensed under the Apache License, Version 2.0 (the "License");7 * you may not use this file except in compliance with the License.8 * You may obtain a copy of the License at9 *10 * http://www.apache.org/licenses/LICENSE-2.011 *12 * Unless required by applicable law or agreed to in writing, software13 * distributed under the License is distributed on an "AS IS" BASIS,14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.15 * See the License for the specific language governing permissions and16 * limitations under the License.17 *18 * Columbus View (Pat. Pend.)19 *20 * Portions licensed separately.21 * See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.22 */23define(['./when-8d13db60', './createTaskProcessorWorker', './pako_inflate-8ea163f9', './unzip-b0fc9445'], function (when, createTaskProcessorWorker, pako_inflate, unzip) { 'use strict';24    var unzipwasmReady = false;25    unzip.unzip.onRuntimeInitialized = function() {26        unzipwasmReady = true;27    };28    var unzipwasm = unzip.unzip.cwrap('unzip', 'number', ['number', 'number', 'number', 'number']);29    var freec = unzip.unzip.cwrap('freePointer', null, ['number']);30    function unzipWithwasm(datazip) {31        var unzipsize = datazip.length * 4;32        var offset = unzip.unzip._malloc(Uint8Array.BYTES_PER_ELEMENT * unzipsize); //å¼è¾åå33        var tar = new Uint8Array(unzipsize);34        unzip.unzip.HEAPU8.set(tar, offset / Uint8Array.BYTES_PER_ELEMENT);35        var offset1 = unzip.unzip._malloc(Uint8Array.BYTES_PER_ELEMENT * datazip.length);36        unzip.unzip.HEAPU8.set(datazip, offset1 / Uint8Array.BYTES_PER_ELEMENT);37        var resultLen;38        while ((resultLen = unzipwasm(offset, unzipsize, offset1, datazip.length)) == 0) {39            freec(offset); //éæ¾åå40            unzipsize *= 4;41            offset = unzip.unzip._malloc(Uint8Array.BYTES_PER_ELEMENT * unzipsize);42            tar = new Uint8Array(unzipsize);43            unzip.unzip.HEAPU8.set(tar, offset / Uint8Array.BYTES_PER_ELEMENT);44        }45        var res = new Uint8Array(unzip.unzip.HEAPU8.buffer, offset, resultLen);46        datazip = null;47        tar = null;48        var buffer = new Uint8Array(res);49        freec(offset);50        freec(offset1);51        return buffer;52    }53    function UnZipTerrainData(parameters, transferableObjects) {54        var buffer = parameters.data;55        var dataZip = new Uint8Array(buffer);56        var unzipBuffer;57        if (unzipwasmReady === true) {58            unzipBuffer = unzipWithwasm(dataZip);59            return {60                data : unzipBuffer61            };62        } else {63            unzipBuffer = pako_inflate.pako.inflate(dataZip).buffer;64        }65        66        transferableObjects.push(unzipBuffer);67        return {68            data : new Uint8Array(unzipBuffer)69        };70    }71    var UnZipTerrainData$1 = createTaskProcessorWorker(UnZipTerrainData);72    return UnZipTerrainData$1;...

defines_11.js

Source:defines_11.js

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