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from __future__ import print_function
import sys
from functools import wraps
BASEDIR = os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir))
STRIP_VARIANTS_PATH = os.path.join(BASEDIR, "partial-sets.yaml")
REPOS_DIR = os.path.join(BASEDIR, "repos")
REPOS = [d for d in os.listdir(REPOS_DIR)
if os.path.isdir(os.path.join(REPOS_DIR, d, ".hg"))]
# TODO fix
# with open(STRIP_VARIANTS_PATH) as f:
# STRIP_VARIANTS = yaml.load(f.read())["partial-sets"]
class SkipResult(Exception):
pass
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# Backward compatibility for python 2.6
if not hasattr(subprocess, 'check_output'):
STDOUT = subprocess.STDOUT
def check_output(*popenargs, **kwargs):
if 'stdout' in kwargs: # pragma: no cover
raise ValueError('stdout argument not allowed, '
'it will be overridden.')
process = subprocess.Popen(stdout=subprocess.PIPE,
*popenargs, **kwargs)
output, _ = process.communicate()
retcode = process.poll()
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise subprocess.CalledProcessError(retcode, cmd,
output=output)
return output
subprocess.check_output = check_output
# overwrite CalledProcessError due to `output`
# keyword not being available (in 2.6)
class CalledProcessError(Exception):
def __init__(self, returncode, cmd, output=None):
self.returncode = returncode
self.cmd = cmd
self.output = output
def __str__(self):
return "Command '%s' returned non-zero exit status %d\n%s" % (
self.cmd, self.returncode, self.output)
subprocess.CalledProcessError = CalledProcessError
def _bench_with_repo(
repo_setup,
repos=REPOS, setup=None, params=None, param_names=None,
pretty_name=None,
):
if params is None:
assert param_names is None
params = [repos]
param_names = ["repo"]
else:
params = params[:]
params.insert(0, repos)
if param_names is None:
param_names = ["repo"]
else:
param_names = param_names[:]
param_names.insert(0, "repo")
def decorator(func):
_setup = {'args': None}
@wraps(func)
def wrapper(*args):
return func(*(_setup['args'] + args[1:]))
def bench_setup(repo_name, *args):
repo = repo_setup(repo_name)
if setup is not None:
value = setup(repo, *args)
_setup['args'] = (repo, value)
else:
_setup['args'] = (repo,)
wrapper.setup = bench_setup
wrapper.params = params
wrapper.param_names = param_names
wrapper.pretty_name = pretty_name
return wrapper
return decorator
PERF_RE = re.compile(r'! wall (\d+.\d+) comb (\d+.\d+) user (\d+.\d+) sys (\d+.\d+) \(best of (\d+)\)') # noqa: E501
###
# Base classes for benchmarks
###
def median(lst):
quotient, remainder = divmod(len(lst), 2)
if remainder:
return sorted(lst)[quotient]
return sum(sorted(lst)[quotient - 1:quotient + 1]) / 2.
class BaseTestSuite(object):
params = [REPOS]
param_names = ["repo"]
@staticmethod
def get_skip():
with open(os.path.join(REPOS_DIR, 'skip.json'), 'r') as f:
return json.load(f)
def get_asv_rev(self):
'''Return currently benchmarked mercurial revision'''
return self.hg('log', '--cwd', self.project_dir, '-T',
'{node|short}', '-r', '.').strip()
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def check_output(self, *args, **kwargs):
"""Helper to run commands
Run given command in a subprocess
Optional expected_return_code (default 0) is used to control whenever
we expect the command should exit.
If the command succeeded with expected_return_code = 0, return the output
If the command succeeded with expected_return_code != 0, raise RuntimeError
If the command fail with expected_return_code, return None, else raise
original subprocess.CalledProcessError exception.
"""
env = kwargs.pop('env', self.environ)
expected_return_code = kwargs.pop('expected_return_code', 0)
cmd = list(args)
try:
output = subprocess.check_output(cmd, env=env, **kwargs)
except subprocess.CalledProcessError as exc:
if exc.returncode == expected_return_code:
# failed as we expected
return None
raise
else:
if expected_return_code != 0:
raise RuntimeError('unexpected return code 0 for {}'.format(cmd))
return output
def hg(self, *args, **kwargs):
"""Run given command arguments with hg
When there is no '--cwd' in arguments, use the benchmarked repo with
'hg --cwd /path/to/repo'
"""
if '--cwd' not in args:
# use self.repo_path as repo
cmd = [self.hgpath, '--cwd', self.repo_path] + list(args)
else:
cmd = [self.hgpath] + list(args)
return self.check_output(*cmd, **kwargs)
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def safe_hg(self, command, *args, **kwargs):
"""Run given command argument with hg and ignore unknown commands
This is to be used for commands that may not exist in earlier mercurial
versions.
When hg exit code is 255, test the command existence with 'hg help CMD'
to test command existence, if it also return 255, raise SkipResult
exception.
We expect `command` to be the hg command we want to run, either a list
of arguments required to run 'hg help' (for extensions etc).
"""
if isinstance(command, (list, tuple)):
cmd = command
else:
cmd = [command]
try:
return self.hg(*(cmd + list(args)), **kwargs)
except subprocess.CalledProcessError as exc:
if exc.returncode == 255:
# test if it return 255 because the command does not exist
# or if it's another issue
try:
self.hg(*(['help'] + command))
except subprocess.CalledProcessError as exc:
if exc.returncode == 255:
# command does not exist in this version of mercurial
raise SkipResult()
raise
raise
def perfext(self, command, *args, **kwargs):
"""Use contrib/perf.py extension from mercurial to get a benchmark result"""
perfpath = os.path.join(self.project_dir, 'contrib', 'perf.py')
kwargs.setdefault('stderr', subprocess.STDOUT)
try:
output = self.safe_hg(
[command, '--config', 'extensions.perf={0}'.format(perfpath)],
*args, **kwargs)
except SkipResult:
# command does not exist for this version of perf.py
# return NaN which is a "n/a" status for asv
return float('nan')
match = PERF_RE.search(output)
if not match:
raise ValueError("Invalid output {0}".format(output))
return float(match.group(1))
def setup(self, repo_name, *args, **kwargs):
venv = os.path.abspath(os.path.join(os.path.dirname(sys.executable), ".."))
self.repo_name = repo_name
self.project_dir = os.path.join(venv, 'project')
if os.path.isdir(self.project_dir):
# use hg in virtualenv for "asv run"
self.hgpath = os.path.join(venv, "bin", "hg")
else:
# use local hg for "asv dev"
self.project_dir = os.path.join(BASEDIR, 'mercurial')
sys.path.insert(0, self.project_dir)
self.hgpath = os.path.join(os.path.join(self.project_dir, 'hg'))
self.repo_path = os.path.join(REPOS_DIR, self.repo_name)
# keep some environment variables
# SSH_AUTH_SOCK for hg over ssh
for key in ('SSH_AUTH_SOCK',):
if key in os.environ:
self.environ[key] = os.environ[key]
class BaseNChangesetsTestSuite(BaseTestSuite):
params = [REPOS, [10, 100, 1000, 10000]]
param_names = ["repo", "changesets"]