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# -*- coding: utf-8 -*-
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# Copyright (C) 2016-2020 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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"""
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VCS Performance measurement tool
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Usage:
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- Check that required vcs keys can be found in ~/.hgrc and ~/.netrc
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- Start a local instance of RhodeCode Enterprise
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- Launch the script:
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TMPDIR=/tmp python vcs_performance.py \
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--host=http://vm:5000 \
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--api-key=55c4a33688577da24183dcac5fde4dddfdbf18dc \
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--commits=10 --repositories=100 --log-level=info
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"""
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import argparse
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import functools
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import logging
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import os
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import shutil
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import subprocess
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import tempfile
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import time
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from itertools import chain
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from api import RCApi, ApiError
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log = logging.getLogger(__name__)
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def timed(f):
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"""Decorator that returns the time it took to execute the function."""
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@functools.wraps(f)
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def wrapped_f(*args, **kwargs):
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start_time = time.time()
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try:
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f(*args, **kwargs)
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finally:
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return time.time() - start_time
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return wrapped_f
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def mean(container):
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"""Return the mean of the container."""
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if not container:
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return -1.0
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return sum(container) / len(container)
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class Config(object):
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args = None
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def __init__(self):
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parser = argparse.ArgumentParser(description='Runs VCS load tests')
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parser.add_argument(
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'--host', dest='host', action='store', required=True,
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help='RhodeCode Enterprise host')
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parser.add_argument(
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'--api-key', dest='api_key', action='store', required=True,
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help='API Key')
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parser.add_argument(
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'--file-size', dest='file_size', action='store', required=False,
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default=1, type=int, help='File size in MB')
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parser.add_argument(
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'--repositories', dest='repositories', action='store',
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required=False, default=1, type=int,
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help='Number of repositories')
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parser.add_argument(
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'--commits', dest='commits', action='store', required=False,
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default=1, type=int, help='Number of commits')
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parser.add_argument(
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'--log-level', dest='log_level', action='store', required=False,
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default='error', help='Logging level')
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self.args = parser.parse_args()
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def __getattr__(self, attr):
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return getattr(self.args, attr)
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class Repository(object):
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FILE_NAME_TEMPLATE = "test_{:09d}.bin"
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def __init__(self, name, base_path, api):
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self.name = name
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self.path = os.path.join(base_path, name)
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self.api = api
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self.url = None
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def create(self):
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self._create_filesystem_repo(self.path)
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try:
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self.url = self.api.create_repo(self.name, self.TYPE, 'Performance tests')
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except ApiError as e:
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log.error('api: {}'.format(e))
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def delete(self):
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self._delete_filesystem_repo()
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try:
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self.api.delete_repo(self.name)
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except ApiError as e:
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log.error('api: {}'.format(e))
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def create_commits(self, number, file_size):
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for i in range(number):
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file_name = self.FILE_NAME_TEMPLATE.format(i)
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log.debug("Create commit[{}] {}".format(self.name, file_name))
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self._create_file(file_name, file_size)
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self._create_commit(file_name)
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@timed
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def push(self):
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raise NotImplementedError()
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@timed
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def clone(self, destination_path):
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raise NotImplementedError()
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@timed
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def pull(self):
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raise NotImplementedError()
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def _run(self, *args):
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command = [self.BASE_COMMAND] + list(args)
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process = subprocess.Popen(
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command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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return process.communicate()
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def _create_file(self, name, size):
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file_name = os.path.join(self.path, name)
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with open(file_name, 'wb') as f:
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f.write(os.urandom(1024))
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def _delete_filesystem_repo(self):
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shutil.rmtree(self.path)
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def _create_filesystem_repo(self, path):
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raise NotImplementedError()
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def _create_commit(self, file_name):
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raise NotImplementedError()
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class GitRepository(Repository):
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TYPE = 'git'
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BASE_COMMAND = 'git'
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@timed
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def push(self):
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os.chdir(self.path)
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self._run('push', '--set-upstream', self.url, 'master')
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@timed
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def clone(self, destination_path):
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self._run('clone', self.url, os.path.join(destination_path, self.name))
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@timed
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def pull(self, destination_path):
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path = os.path.join(destination_path, self.name)
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self._create_filesystem_repo(path)
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os.chdir(path)
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self._run('remote', 'add', 'origin', self.url)
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self._run('pull', 'origin', 'master')
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def _create_filesystem_repo(self, path):
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self._run('init', path)
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def _create_commit(self, file_name):
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os.chdir(self.path)
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self._run('add', file_name)
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self._run('commit', file_name, '-m', '"Add {}"'.format(file_name))
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class HgRepository(Repository):
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TYPE = 'hg'
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BASE_COMMAND = 'hg'
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@timed
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def push(self):
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os.chdir(self.path)
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self._run('push', self.url)
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@timed
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def clone(self, destination_path):
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self._run('clone', self.url, os.path.join(destination_path, self.name))
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@timed
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def pull(self, destination_path):
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path = os.path.join(destination_path, self.name)
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self._create_filesystem_repo(path)
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os.chdir(path)
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self._run('pull', '-r', 'tip', self.url)
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def _create_filesystem_repo(self, path):
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self._run('init', path)
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def _create_commit(self, file_name):
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os.chdir(self.path)
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self._run('add', file_name)
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self._run('commit', file_name, '-m', '"Add {}"'.format(file_name))
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class Benchmark(object):
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REPO_CLASSES = {
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'git': GitRepository,
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'hg': HgRepository
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}
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REPO_NAME = '{}_performance_{:03d}'
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def __init__(self, config):
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self.api = RCApi(api_key=config.api_key, rc_endpoint=config.host)
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self.source_path = tempfile.mkdtemp(suffix='vcsperformance')
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self.config = config
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self.git_repos = []
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self.hg_repos = []
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self._set_log_level()
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def start(self):
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self._create_repos()
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repos = {
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'git': self.git_repos,
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'hg': self.hg_repos
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}
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clone_destination_path = tempfile.mkdtemp(suffix='clone')
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pull_destination_path = tempfile.mkdtemp(suffix='pull')
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operations = [
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('push', ),
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('clone', clone_destination_path),
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('pull', pull_destination_path)
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]
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for operation in operations:
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for type_ in repos:
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times = self._measure(repos[type_], *operation)
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print("Mean[of {}] {:5s} {:5s} time: {:.3f} sec.".format(
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len(times), type_, operation[0], mean(times)))
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def cleanup(self):
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log.info("Cleaning up...")
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for repo in chain(self.git_repos, self.hg_repos):
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repo.delete()
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def _measure(self, repos, operation, *args):
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times = []
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for repo in repos:
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method = getattr(repo, operation)
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times.append(method(*args))
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return times
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def _create_repos(self):
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log.info("Creating repositories...")
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for i in range(self.config.repositories):
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self.git_repos.append(self._create_repo('git', i))
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self.hg_repos.append(self._create_repo('hg', i))
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def _create_repo(self, type_, id_):
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RepoClass = self.REPO_CLASSES[type_]
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repo = RepoClass(
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self.REPO_NAME.format(type_, id_), self.source_path, self.api)
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repo.create()
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repo.create_commits(self.config.commits, self.config.file_size)
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return repo
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def _set_log_level(self):
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try:
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log_level = getattr(logging, config.log_level.upper())
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except:
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log_level = logging.ERROR
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handler = logging.StreamHandler()
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log.addHandler(handler)
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log.setLevel(log_level)
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if __name__ == '__main__':
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config = Config()
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benchmark = Benchmark(config)
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try:
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benchmark.start()
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finally:
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benchmark.cleanup()
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