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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# COPYRIGHT NOTICE STARTS HERE
# Copyright 2019 © Samsung Electronics Co., Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# COPYRIGHT NOTICE ENDS HERE
import argparse
import datetime
import logging
import sys
import timeit
import docker_downloader
import git_downloader
import http_downloader
import npm_downloader
import pypi_downloader
import rpm_downloader
log = logging.getLogger(name=__name__)
def parse_args():
"""
Parse command line arguments
:return: arguments
"""
parser = argparse.ArgumentParser(description='Download data from lists')
list_group = parser.add_argument_group()
list_group.add_argument('--docker', action='append', nargs='+', default=[],
metavar=('list', 'dir-name'),
help='Docker type list. If second argument is specified '
'it is treated as directory where images will be saved '
'otherwise only pull operation is executed this can\'t '
'be mixed between multiple docker list specifications. '
'if one of the list does not have directory specified '
'all lists are only pulled!!!')
list_group.add_argument('--http', action='append', nargs=2, default=[],
metavar=('list', 'dir-name'),
help='Http type list and directory to save downloaded files')
list_group.add_argument('--npm', action='append', nargs=2, default=[],
metavar=('list', 'dir-name'),
help='npm type list and directory to save downloaded files')
list_group.add_argument('--rpm', action='append', nargs=2, default=[],
metavar=('list', 'dir-name'),
help='rpm type list and directory to save downloaded files')
list_group.add_argument('--git', action='append', nargs=2, default=[],
metavar=('list', 'dir-name'),
help='git repo type list and directory to save downloaded files')
list_group.add_argument('--pypi', action='append', nargs=2, default=[],
metavar=('list', 'dir-name'),
help='pypi packages type list and directory to save downloaded files')
parser.add_argument('--npm-registry', default='https://registry.npmjs.org',
help='npm registry to use (default: https://registry.npmjs.org)')
parser.add_argument('--check', '-c', action='store_true', default=False,
help='Check what is missing. No download.')
parser.add_argument('--debug', action='store_true', default=False,
help='Turn on debug output')
args = parser.parse_args()
for arg in ('docker', 'npm', 'http', 'rpm', 'git', 'pypi'):
if getattr(args, arg):
return args
parser.error('One of --docker, --npm, --http, --rpm, --git or --pypi must be specified')
def log_start(item_type):
"""
Log starting message
:param item_type: type of resources
:return:
"""
log.info('Starting download of {}.'.format(item_type))
def handle_download(downloader, check_mode, errorred_lists, start_time):
"""
Handle download of resources
:param downloader: downloader to use
:param check_mode: run in check mode (boolean)
:param errorred_lists: list of data types of failed lists
:param start_time: timeit.default_timer() right before download
:return: timeit.default_timer() at the end of download
"""
if check_mode:
print(downloader.check_table)
else:
log_start(downloader.list_type)
try:
downloader.download()
except RuntimeError:
errorred_lists.append(downloader.list_type)
return log_time_interval(start_time, downloader.list_type)
def handle_command_download(downloader_class, check_mode, errorred_lists, start_time, *args):
"""
Handle download of resources where shell command is used
:param downloader_class: Class of command_downloader.CommandDownloader to use
:param check_mode: run in check mode (boolean)
:param errorred_lists: list of data types of failed lists
:param start_time: timeit.default_timer() right before download
:param args: arguments for downloader class initialization
:return: timeit.default_timer() at the end of download
"""
try:
downloader = downloader_class(*args)
return handle_download(downloader, check_mode, errorred_lists, start_time)
except FileNotFoundError as err:
classname = type(downloader_class).__name__
log.exception('Error initializing: {}: {}'.format(classname, err))
return timeit.default_timer()
def log_time_interval(start, resource_type=''):
"""
Log how long the download took
:param start: timeit.default_timer() when interval started
:param resource_type: type of data that was downloaded. (empty string for whole download)
:return: timeit.default_timer() after logging
"""
e_time = datetime.timedelta(seconds=timeit.default_timer() - start)
if resource_type:
msg = 'Download of {} took {}\n'.format(resource_type, e_time)
else:
msg = 'Execution ended. Total elapsed time {}'.format(e_time)
log.info(msg)
return timeit.default_timer()
def run_cli():
if sys.version_info.major < 3:
log.error('Unfortunately Python 2 is not supported for data download.')
sys.exit(1)
args = parse_args()
console_handler = logging.StreamHandler(sys.stdout)
console_formatter = logging.Formatter('%(message)s')
console_handler.setFormatter(console_formatter)
now = datetime.datetime.now().strftime('%Y%m%d%H%M%S')
log_file = 'download_data-{}.log'.format(now)
file_format = "%(asctime)s: %(filename)s: %(levelname)s: %(message)s"
if args.debug:
logging.basicConfig(level=logging.DEBUG, filename=log_file, format=file_format)
else:
logging.basicConfig(level=logging.INFO, filename=log_file, format=file_format)
root_logger = logging.getLogger()
root_logger.addHandler(console_handler)
errorred_lists = []
timer_start = interval_start = timeit.default_timer()
if args.check:
log.info('Check mode. No download will be executed.')
if args.docker:
save = True if len(list(filter(lambda x: len(x) == 2, args.docker))) == len(args.docker) else False
docker = docker_downloader.DockerDownloader(save, *args.docker, workers=3)
interval_start = handle_download(docker, args.check, errorred_lists, interval_start)
if args.http:
http = http_downloader.HttpDownloader(*args.http)
interval_start = handle_download(http, args.check, errorred_lists, interval_start)
if args.npm:
npm = npm_downloader.NpmDownloader(args.npm_registry, *args.npm)
interval_start = handle_download(npm, args.check, errorred_lists, interval_start)
if args.rpm:
interval_start = handle_command_download(rpm_downloader.RpmDownloader, args.check, errorred_lists,
interval_start, *args.rpm)
if args.git:
interval_start = handle_command_download(git_downloader.GitDownloader, args.check, errorred_lists,
interval_start, *args.git)
if args.pypi:
handle_command_download(pypi_downloader.PyPiDownloader, args.check, errorred_lists,
interval_start, *args.pypi)
if not args.check:
log_time_interval(timer_start)
if errorred_lists:
log.error('Errors encountered while processing these types:'
'\n{}'.format('\n'.join(errorred_lists)))
sys.exit(1)
if __name__ == '__main__':
run_cli()
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