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How to use boost method in hypothesis

Best Python code snippet using hypothesis

boost.py

Source:boost.py

...20	opt.load('compiler_cxx boost')2122def configure(conf):23	conf.load('compiler_cxx boost')24	conf.check_boost(lib='system filesystem', mt=True, static=True)2526def build(bld):27	bld(source='main.cpp', target='app', use='BOOST')28'''2930import sys31import re32from waflib import Utils, Logs33from waflib.Configure import conf34from waflib.Errors import WafError3536BOOST_LIBS = ('/usr/lib', '/usr/local/lib',37			  '/opt/local/lib', '/sw/lib', '/lib')38BOOST_INCLUDES = ('/usr/include', '/usr/local/include',39				  '/opt/local/include', '/sw/include')40BOOST_VERSION_FILE = 'boost/version.hpp'41BOOST_VERSION_CODE = '''42#include <iostream>43#include <boost/version.hpp>44int main() { std::cout << BOOST_LIB_VERSION << std::endl; }45'''4647# toolsets from {boost_dir}/tools/build/v2/tools/common.jam48PLATFORM = Utils.unversioned_sys_platform()49detect_intel = lambda env: (PLATFORM == 'win32') and 'iw' or 'il'50detect_clang = lambda env: (PLATFORM == 'darwin') and 'clang-darwin' or 'clang'51detect_mingw = lambda env: (re.search('MinGW', env.CXX[0])) and 'mgw' or 'gcc'52BOOST_TOOLSETS = {53	'borland':  'bcb',54	'clang':	detect_clang,55	'como':	 'como',56	'cw':	   'cw',57	'darwin':   'xgcc',58	'edg':	  'edg',59	'g++':	  detect_mingw,60	'gcc':	  detect_mingw,61	'icpc':	 detect_intel,62	'intel':	detect_intel,63	'kcc':	  'kcc',64	'kylix':	'bck',65	'mipspro':  'mp',66	'mingw':	'mgw',67	'msvc':	 'vc',68	'qcc':	  'qcc',69	'sun':	  'sw',70	'sunc++':   'sw',71	'tru64cxx': 'tru',72	'vacpp':	'xlc'73}747576def options(opt):77	opt.add_option('--boost-includes', type='string',78				   default='', dest='boost_includes',79				   help='''path to the boost directory where the includes are80				   e.g. /boost_1_45_0/include''')81	opt.add_option('--boost-libs', type='string',82				   default='', dest='boost_libs',83				   help='''path to the directory where the boost libs are84				   e.g. /boost_1_45_0/stage/lib''')85	opt.add_option('--boost-static', action='store_true',86				   default=False, dest='boost_static',87				   help='link static libraries')88	opt.add_option('--boost-mt', action='store_true',89				   default=False, dest='boost_mt',90				   help='select multi-threaded libraries')91	opt.add_option('--boost-abi', type='string', default='', dest='boost_abi',92				   help='''select libraries with tags (dgsyp, d for debug),93				   see doc Boost, Getting Started, chapter 6.1''')94	opt.add_option('--boost-toolset', type='string',95				   default='', dest='boost_toolset',96				   help='force a toolset e.g. msvc, vc90, \97						gcc, mingw, mgw45 (default: auto)')98	py_version = '%d%d' % (sys.version_info[0], sys.version_info[1])99	opt.add_option('--boost-python', type='string',100				   default=py_version, dest='boost_python',101				   help='select the lib python with this version \102						(default: %s)' % py_version)103104105@conf106def __boost_get_version_file(self, dir):107	try:108		return self.root.find_dir(dir).find_node(BOOST_VERSION_FILE)109	except:110		return None111112113@conf114def boost_get_version(self, dir):115	"""silently retrieve the boost version number"""116	re_but = re.compile('^#define\\s+BOOST_LIB_VERSION\\s+"(.*)"$', re.M)117	try:118		val = re_but.search(self.__boost_get_version_file(dir).read()).group(1)119	except:120		val = self.check_cxx(fragment=BOOST_VERSION_CODE, includes=[dir],121							 execute=True, define_ret=True)122	return val123124125@conf126def boost_get_includes(self, *k, **kw):127	includes = k and k[0] or kw.get('includes', None)128	if includes and self.__boost_get_version_file(includes):129		return includes130	for dir in BOOST_INCLUDES:131		if self.__boost_get_version_file(dir):132			return dir133	if includes:134		self.fatal('headers not found in %s' % includes)135	else:136		self.fatal('headers not found, use --boost-includes=/path/to/boost')137138139@conf140def boost_get_toolset(self, cc):141	toolset = cc142	if not cc:143		build_platform = Utils.unversioned_sys_platform()144		if build_platform in BOOST_TOOLSETS:145			cc = build_platform146		else:147			cc = self.env.CXX_NAME148	if cc in BOOST_TOOLSETS:149		toolset = BOOST_TOOLSETS[cc]150	return isinstance(toolset, str) and toolset or toolset(self.env)151152153@conf154def __boost_get_libs_path(self, *k, **kw):155	''' return the lib path and all the files in it '''156	if 'files' in kw:157		return self.root.find_dir('.'), Utils.to_list(kw['files'])158	libs = k and k[0] or kw.get('libs', None)159	if libs:160		path = self.root.find_dir(libs)161		files = path.ant_glob('*boost_*')162	if not libs or not files:163		for dir in BOOST_LIBS:164			try:165				path = self.root.find_dir(dir)166				files = path.ant_glob('*boost_*')167				if files:168					break169				path = self.root.find_dir(dir + '64')170				files = path.ant_glob('*boost_*')171				if files:172					break173			except:174				path = None175	if not path:176		if libs:177			self.fatal('libs not found in %s' % libs)178		else:179			self.fatal('libs not found, \180					   use --boost-includes=/path/to/boost/lib')181	return path, files182183184@conf185def boost_get_libs(self, *k, **kw):186	'''187	return the lib path and the required libs188	according to the parameters189	'''190	path, files = self.__boost_get_libs_path(**kw)191	t = []192	if kw.get('mt', False):193		t.append('mt')194	if kw.get('abi', None):195		t.append(kw['abi'])196	tags = t and '(-%s)+' % '-'.join(t) or ''197	toolset = '(-%s[0-9]{0,3})+' % self.boost_get_toolset(kw.get('toolset', ''))198	version = '(-%s)+' % self.env.BOOST_VERSION199200	def find_lib(re_lib, files):201		for file in files:202			if re_lib.search(file.name):203				return file204		return None205206	def format_lib_name(name):207		if name.startswith('lib'):208			name = name[3:]209		return name.split('.')[0]210211	libs = []212	for lib in Utils.to_list(k and k[0] or kw.get('lib', None)):213		py = (lib == 'python') and '(-py%s)+' % kw['python'] or ''214		# Trying libraries, from most strict match to least one215		for pattern in ['boost_%s%s%s%s%s' % (lib, toolset, tags, py, version),216						'boost_%s%s%s%s' % (lib, tags, py, version),217						'boost_%s%s%s' % (lib, tags, version),218						# Give up trying to find the right version219						'boost_%s%s%s%s' % (lib, toolset, tags, py),220						'boost_%s%s%s' % (lib, tags, py),221						'boost_%s%s' % (lib, tags)]:222			file = find_lib(re.compile(pattern), files)223			if file:224				libs.append(format_lib_name(file.name))225				break226		else:227			self.fatal('lib %s not found in %s' % (lib, path))228229	return path.abspath(), libs230231232@conf233def check_boost(self, *k, **kw):234	"""235	initialize boost236237	You can pass the same parameters as the command line (without "--boost-"),238	but the command line has the priority.239	"""240	if not self.env['CXX']:241		self.fatal('load a c++ compiler first, conf.load("compiler_cxx")')242243	params = {'lib': k and k[0] or kw.get('lib', None)}244	for key, value in self.options.__dict__.items():245		if not key.startswith('boost_'):246			continue247		key = key[len('boost_'):]
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