Python code for generating release apk automatically (Part 5)

makeApp(Part-5).py

# Function for generating signed apk
def generateSignedApk():
    print('\nGENERATING apk...')
    process = Popen('./gradlew assembleRelease', shell=True, stdout=PIPE, stderr=PIPE, universal_newlines=True)
    output, errors = process.communicate()

    # Zero returncode means process success
    if not process.returncode:
        print('Signed apk generated!')
        return True

    else:
        print('Signed apk generation output = ' + output)
        print('Signed apk generation error = ' + errors)
        print('Signed apk generation process return code = ' + str(process.returncode))
        print('Signed apk generation failed!')
        return False


# Function for renaming apk
def renameSignedApk(item_dict):
    print('\nRENAMING apk...')

    try:
        os.remove(constants.RELEASE_APK_FOLDER + item_dict[constants.JSON_KEY_APP_NAME] + '.apk')
    except:
        # Eat exception
        print('', end='')

    os.rename(constants.RELEASE_APK_FOLDER + constants.RELEASE_APK_FILE_NAME,
        constants.RELEASE_APK_FOLDER + item_dict[constants.JSON_KEY_APP_NAME] + '.apk')
    print('Renaming successful')


# Function for installing signed apk to the physical device (Optional)
def installSignedApk(app_name_with_extension):
    print('\nDo you want to install the release apk to any connected device? (y/n)')
    install = input()
    if (install is 'y') or (install is 'Y'):
        process = Popen('adb install "' + constants.RELEASE_APK_FOLDER + app_name_with_extension + '"', shell=True, stdout=PIPE, stderr=PIPE, universal_newlines=True)
        output, errors = process.communicate()

        # Zero returncode means process success
        if not process.returncode:
            print('App installed.')
            return True

        else:
            print('App installation output = ' + output)
            print('App installation error = ' + errors)
            print('App installation process return code = ' + str(process.returncode))
            print('App installation failed!')
            return False