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#
# Copyright (c) 2007-2013. The YARA Authors. All Rights Reserved.
#
# 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.
#
from distutils.command.build import build
from setuptools import setup, Extension
import distutils.errors
import distutils.ccompiler
import distutils.sysconfig
import contextlib
import os
import sys
import tempfile
import shutil
import subprocess
@contextlib.contextmanager
def muted(*streams):
"""A context manager to redirect stdout and/or stderr to /dev/null.
Examples:
with muted(sys.stdout):
...
with muted(sys.stderr):
...
with muted(sys.stdout, sys.stderr):
...
"""
devnull = open(os.devnull, 'w')
try:
old_streams = [os.dup(s.fileno()) for s in streams]
for s in streams:
os.dup2(devnull.fileno(), s.fileno())
yield
finally:
for o,n in zip(old_streams, streams):
os.dup2(o, n.fileno())
devnull.close()
def has_function(function_name, libraries=None):
compiler = distutils.ccompiler.new_compiler()
with muted(sys.stdout, sys.stderr):
result = compiler.has_function(
function_name, libraries=libraries)
if os.path.exists('a.out'):
os.remove('a.out')
return result
class BuildCommand(build):
user_options = build.user_options + [
('static','s','build libyara statically into yara-python module'),
('enable-cuckoo', None,'enable "cuckoo" module (use with --static)'),
('enable-magic', None,'enable "magic" module (use with --static)'),
('enable-profiling', None,'enable profiling features')]
boolean_options = build.boolean_options + [
'static', 'enable-cuckoo', 'enable-magic', 'enable-profiling']
def initialize_options(self):
build.initialize_options(self)
self.static = None
self.enable_magic = None
self.enable_cuckoo = None
self.enable_profiling = None
def finalize_options(self):
build.finalize_options(self)
if self.enable_magic and not self.static:
raise distutils.errors.DistutilsOptionError(
'--enable-magic must be used with --static')
if self.enable_cuckoo and not self.static:
raise distutils.errors.DistutilsOptionError(
'--enable-cuckoo must be used with --static')
def run(self):
sources = ['./yara-python.c']
exclusions = ['yara/libyara/modules/pe_utils.c']
libraries = ['yara']
include_dirs = []
macros = []
if has_function('memmem'):
macros.append(('HAVE_MEMMEM', '1'))
if has_function('strlcpy'):
macros.append(('HAVE_STRLCPY', '1'))
if has_function('strlcat'):
macros.append(('HAVE_STRLCAT', '1'))
if self.enable_profiling:
macros.append(('PROFILING_ENABLED', '1'))
if self.static:
libraries = []
include_dirs = ['yara/libyara/include', 'yara/libyara/', '.']
if (has_function('MD5_Init', libraries=['crypto']) and
has_function('SHA256_Init', libraries=['crypto'])):
macros.append(('HASH', '1'))
libraries.append('crypto')
else:
exclusions.append('yara/libyara/modules/hash.c')
if self.enable_magic:
macros.append(('MAGIC', '1'))
else:
exclusions.append('yara/libyara/modules/magic.c')
if self.enable_cuckoo:
macros.append(('CUCKOO', '1'))
else:
exclusions.append('yara/libyara/modules/cuckoo.c')
for directory, _, files in os.walk('yara/libyara/'):
for x in files:
x = os.path.join(directory, x)
if x.endswith('.c') and x not in exclusions:
sources.append(x)
self.distribution.ext_modules = [Extension(
name='yara',
sources=sources,
include_dirs=include_dirs,
libraries=libraries,
define_macros=macros,
extra_compile_args=['-std=gnu99', '-Wno-deprecated-declarations'])]
build.run(self)
setup(
name='yara-python',
version='3.4.1',
author='Victor M. Alvarez',
author_email='plusvic@gmail.com;vmalvarez@virustotal.com',
url='https://github.com/plusvic/yara-python',
zip_safe=False,
cmdclass={'build': BuildCommand})