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#
# Copyright 2004-2006 Zuza Software Foundation
#
# This file is part of translate.
#
# translate is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# translate is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
import argparse
import cProfile
import os
import pstats
import random
import sys
from importlib import import_module
from translate.storage import factory, placeables
class TranslateBenchmarker:
"""class to aid in benchmarking Translate Toolkit stores."""
def __init__(self, test_dir, storeclass) -> None:
"""Sets up benchmarking on the test directory."""
self.test_dir = os.path.abspath(test_dir)
self.StoreClass = storeclass
self.extension = self.StoreClass.Extensions[0]
self.project_dir = os.path.join(self.test_dir, "benchmark")
self.file_dir = os.path.join(self.project_dir, "zxx")
self.parsedfiles = []
def clear_test_dir(self) -> None:
"""Removes the given directory."""
if os.path.exists(self.test_dir):
for dirpath, subdirs, filenames in os.walk(self.test_dir, topdown=False):
for name in filenames:
os.remove(os.path.join(dirpath, name))
for name in subdirs:
os.rmdir(os.path.join(dirpath, name))
if os.path.exists(self.test_dir):
os.rmdir(self.test_dir)
assert not os.path.exists(self.test_dir)
def create_sample_files(
self,
num_dirs,
files_per_dir,
strings_per_file,
source_words_per_string,
target_words_per_string,
) -> None:
"""Creates sample files for benchmarking."""
if not os.path.exists(self.test_dir):
os.mkdir(self.test_dir)
if not os.path.exists(self.project_dir):
os.mkdir(self.project_dir)
if not os.path.exists(self.file_dir):
os.mkdir(self.file_dir)
for dirnum in range(num_dirs):
if num_dirs > 1:
dirname = os.path.join(self.file_dir, f"sample_{dirnum}")
if not os.path.exists(dirname):
os.mkdir(dirname)
else:
dirname = self.file_dir
for filenum in range(files_per_dir):
sample_file = self.StoreClass()
for _stringnum in range(strings_per_file):
source_string = " ".join(
f"word{random.randint(0, strings_per_file) * i}" # noqa: S311
for i in range(source_words_per_string)
)
sample_unit = sample_file.addsourceunit(source_string)
sample_unit.target = " ".join(
f"drow{random.randint(0, strings_per_file) * i}" # noqa: S311
for i in range(target_words_per_string)
)
sample_file.savefile(
os.path.join(dirname, f"file_{filenum}.{self.extension}")
)
def parse_files(self, file_dir=None) -> None:
"""Parses all the files in the test directory into memory."""
count = 0
self.parsedfiles = []
if file_dir is None:
file_dir = self.file_dir
for dirpath, _subdirs, filenames in os.walk(file_dir, topdown=False):
for name in filenames:
pofilename = os.path.join(dirpath, name)
parsedfile = self.StoreClass(open(pofilename, "rb"))
count += len(parsedfile.units)
self.parsedfiles.append(parsedfile)
print(f"counted {count} units")
def parse_placeables(self) -> None:
"""Parses placeables."""
count = 0
for parsedfile in self.parsedfiles:
for unit in parsedfile.units:
placeables.parse(unit.source, placeables.general.parsers)
placeables.parse(unit.target, placeables.general.parsers)
count += len(parsedfile.units)
print(f"counted {count} units")
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Process some integers.")
parser.add_argument(
"podir",
metavar="DIR",
type=str,
nargs="?",
help="PO dir to use (default: create sample files)",
)
parser.add_argument(
"--store-type",
dest="storetype",
action="store_const",
const="po",
default="po",
help="type of the store to benchmark (default: %(default)s)",
)
parser.add_argument(
"--check-parsing",
dest="check_parsing",
action="store_true",
help="benchmark parsing files",
)
parser.add_argument(
"--check-placeables",
dest="check_placeables",
action="store_true",
help="benchmark placeables",
)
args = parser.parse_args()
storetype = args.storetype
if storetype in factory._classes_str:
_module, _class = factory._classes_str[storetype]
module = import_module(f"translate.storage.{_module}")
storeclass = getattr(module, _class)
else:
print(
f"StoreClass: '{storetype}' is not a base class that the class factory can load"
)
sys.exit()
sample_files = [
# num_dirs, files_per_dir, strings_per_file, source_words_per_string, target_words_per_string
# (1, 1, 2, 2, 2),
(
1,
1,
10000,
5,
10,
), # Creat 1 very large file with German like ratios or source to target
# (100, 10, 10, 5, 10), # Create lots of directories and files with smaller then average size
# (1, 5, 10, 10, 10),
# (1, 10, 10, 10, 10),
# (5, 10, 10, 10, 10),
# (5, 10, 100, 20, 20),
# (10, 20, 100, 10, 10),
# (10, 20, 100, 10, 10),
# (100, 2, 140, 3, 3), # OpenOffice.org approximate ratios
]
for sample_file_sizes in sample_files:
benchmarker = TranslateBenchmarker("BenchmarkDir", storeclass)
benchmarker.clear_test_dir()
if args.podir is None:
benchmarker.create_sample_files(*sample_file_sizes)
methods = []
if args.check_parsing:
methods.append(("parse_files", repr(args.podir)))
if args.check_placeables:
methods.append(("parse_placeables", ""))
for methodname, methodparam in methods:
print("_______________________________________________________")
statsfile = f"{methodname}_{storetype}{'_{}_{}_{}_{}_{}.stats'.format(*sample_file_sizes)}"
cProfile.run(f"benchmarker.{methodname}({methodparam})", statsfile)
stats = pstats.Stats(statsfile)
stats.sort_stats("time").print_stats(20)
print("_______________________________________________________")
benchmarker.clear_test_dir()
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