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import os
import re
import sys
import copy
import glob
import atexit
import tempfile
import subprocess
import shutil
import multiprocessing
import textwrap
import importlib.util
from threading import local as tlocal
from functools import reduce
import distutils
from distutils.errors import DistutilsError
# stores temporary directory of each thread to only create one per thread
_tdata = tlocal()
# store all created temporary directories so they can be deleted on exit
_tmpdirs = []
def clean_up_temporary_directory():
if _tmpdirs is not None:
for d in _tmpdirs:
try:
shutil.rmtree(d)
except OSError:
pass
atexit.register(clean_up_temporary_directory)
__all__ = ['Configuration', 'get_numpy_include_dirs', 'default_config_dict',
'dict_append', 'appendpath', 'generate_config_py',
'get_cmd', 'allpath', 'get_mathlibs',
'terminal_has_colors', 'red_text', 'green_text', 'yellow_text',
'blue_text', 'cyan_text', 'cyg2win32', 'mingw32', 'all_strings',
'has_f_sources', 'has_cxx_sources', 'filter_sources',
'get_dependencies', 'is_local_src_dir', 'get_ext_source_files',
'get_script_files', 'get_lib_source_files', 'get_data_files',
'dot_join', 'get_frame', 'minrelpath', 'njoin',
'is_sequence', 'is_string', 'as_list', 'gpaths', 'get_language',
'get_build_architecture', 'get_info', 'get_pkg_info',
'get_num_build_jobs', 'sanitize_cxx_flags',
'exec_mod_from_location']
class InstallableLib:
"""
Container to hold information on an installable library.
Parameters
----------
name : str
Name of the installed library.
build_info : dict
Dictionary holding build information.
target_dir : str
Absolute path specifying where to install the library.
See Also
--------
Configuration.add_installed_library
Notes
-----
The three parameters are stored as attributes with the same names.
"""
def __init__(self, name, build_info, target_dir):
self.name = name
self.build_info = build_info
self.target_dir = target_dir
def get_num_build_jobs():
"""
Get number of parallel build jobs set by the --parallel command line
argument of setup.py
If the command did not receive a setting the environment variable
NPY_NUM_BUILD_JOBS is checked. If that is unset, return the number of
processors on the system, with a maximum of 8 (to prevent
overloading the system if there a lot of CPUs).
Returns
-------
out : int
number of parallel jobs that can be run
"""
from numpy.distutils.core import get_distribution
try:
cpu_count = len(os.sched_getaffinity(0))
except AttributeError:
cpu_count = multiprocessing.cpu_count()
cpu_count = min(cpu_count, 8)
envjobs = int(os.environ.get("NPY_NUM_BUILD_JOBS", cpu_count))
dist = get_distribution()
# may be None during configuration
if dist is None:
return envjobs
# any of these three may have the job set, take the largest
cmdattr = (getattr(dist.get_command_obj('build'), 'parallel', None),
getattr(dist.get_command_obj('build_ext'), 'parallel', None),
getattr(dist.get_command_obj('build_clib'), 'parallel', None))
if all(x is None for x in cmdattr):
return envjobs
else:
return max(x for x in cmdattr if x is not None)
def quote_args(args):
"""Quote list of arguments.
.. deprecated:: 1.22.
"""
import warnings
warnings.warn('"quote_args" is deprecated.',
DeprecationWarning, stacklevel=2)
# don't used _nt_quote_args as it does not check if
# args items already have quotes or not.
args = list(args)
for i in range(len(args)):
a = args[i]
if ' ' in a and a[0] not in '"\'':
args[i] = '"%s"' % (a)
return args
def allpath(name):
"Convert a /-separated pathname to one using the OS's path separator."
split = name.split('/')
return os.path.join(*split)
def rel_path(path, parent_path):
"""Return path relative to parent_path."""
# Use realpath to avoid issues with symlinked dirs (see gh-7707)
pd = os.path.realpath(os.path.abspath(parent_path))
apath = os.path.realpath(os.path.abspath(path))
if len(apath) < len(pd):
return path
if apath == pd:
return ''
if pd == apath[:len(pd)]:
assert apath[len(pd)] in [os.sep], repr((path, apath[len(pd)]))
path = apath[len(pd)+1:]
return path
def get_path_from_frame(frame, parent_path=None):
"""Return path of the module given a frame object from the call stack.
Returned path is relative to parent_path when given,
otherwise it is absolute path.
"""
# First, try to find if the file name is in the frame.
try:
caller_file = eval('__file__', frame.f_globals, frame.f_locals)
d = os.path.dirname(os.path.abspath(caller_file))
except NameError:
# __file__ is not defined, so let's try __name__. We try this second
# because setuptools spoofs __name__ to be '__main__' even though
# sys.modules['__main__'] might be something else, like easy_install(1).
caller_name = eval('__name__', frame.f_globals, frame.f_locals)
__import__(caller_name)
mod = sys.modules[caller_name]
if hasattr(mod, '__file__'):
d = os.path.dirname(os.path.abspath(mod.__file__))
else:
# we're probably running setup.py as execfile("setup.py")
# (likely we're building an egg)
d = os.path.abspath('.')
if parent_path is not None:
d = rel_path(d, parent_path)
return d or '.'
def njoin(*path):
"""Join two or more pathname components +
- convert a /-separated pathname to one using the OS's path separator.
- resolve `..` and `.` from path.
Either passing n arguments as in njoin('a','b'), or a sequence
of n names as in njoin(['a','b']) is handled, or a mixture of such arguments.
"""
paths = []
for p in path:
if is_sequence(p):
# njoin(['a', 'b'], 'c')
paths.append(njoin(*p))
else:
assert is_string(p)
paths.append(p)
path = paths
if not path:
# njoin()
joined = ''
else:
# njoin('a', 'b')
joined = os.path.join(*path)
if os.path.sep != '/':
joined = joined.replace('/', os.path.sep)
return minrelpath(joined)
def get_mathlibs(path=None):
"""Return the MATHLIB line from numpyconfig.h
"""
if path is not None:
config_file = os.path.join(path, '_numpyconfig.h')
else:
# Look for the file in each of the numpy include directories.
dirs = get_numpy_include_dirs()
for path in dirs:
fn = os.path.join(path, '_numpyconfig.h')
if os.path.exists(fn):
config_file = fn
break
else:
raise DistutilsError('_numpyconfig.h not found in numpy include '
'dirs %r' % (dirs,))
with open(config_file) as fid:
mathlibs = []
s = '#define MATHLIB'
for line in fid:
if line.startswith(s):
value = line[len(s):].strip()
if value:
mathlibs.extend(value.split(','))
return mathlibs
def minrelpath(path):
"""Resolve `..` and '.' from path.
"""
if not is_string(path):
return path
if '.' not in path:
return path
l = path.split(os.sep)
while l:
try:
i = l.index('.', 1)
except ValueError:
break
del l[i]
j = 1
while l:
try:
i = l.index('..', j)
except ValueError:
break
if l[i-1]=='..':
j += 1
else:
del l[i], l[i-1]
j = 1
if not l:
return ''
return os.sep.join(l)
def sorted_glob(fileglob):
"""sorts output of python glob for https://bugs.python.org/issue30461
to allow extensions to have reproducible build results"""
return sorted(glob.glob(fileglob))
def _fix_paths(paths, local_path, include_non_existing):
assert is_sequence(paths), repr(type(paths))
new_paths = []
assert not is_string(paths), repr(paths)
for n in paths:
if is_string(n):
if '*' in n or '?' in n:
p = sorted_glob(n)
p2 = sorted_glob(njoin(local_path, n))
if p2:
new_paths.extend(p2)
elif p:
new_paths.extend(p)
else:
if include_non_existing:
new_paths.append(n)
print('could not resolve pattern in %r: %r' %
(local_path, n))
else:
n2 = njoin(local_path, n)
if os.path.exists(n2):
new_paths.append(n2)
else:
if os.path.exists(n):
new_paths.append(n)
elif include_non_existing:
new_paths.append(n)
if not os.path.exists(n):
print('non-existing path in %r: %r' %
(local_path, n))
elif is_sequence(n):
new_paths.extend(_fix_paths(n, local_path, include_non_existing))
else:
new_paths.append(n)
return [minrelpath(p) for p in new_paths]
def gpaths(paths, local_path='', include_non_existing=True):
"""Apply glob to paths and prepend local_path if needed.
"""
if is_string(paths):
paths = (paths,)
return _fix_paths(paths, local_path, include_non_existing)
def make_temp_file(suffix='', prefix='', text=True):
if not hasattr(_tdata, 'tempdir'):
_tdata.tempdir = tempfile.mkdtemp()
_tmpdirs.append(_tdata.tempdir)
fid, name = tempfile.mkstemp(suffix=suffix,
prefix=prefix,
dir=_tdata.tempdir,
text=text)
fo = os.fdopen(fid, 'w')
return fo, name
# Hooks for colored terminal output.
# See also https://web.archive.org/web/20100314204946/http://www.livinglogic.de/Python/ansistyle
def terminal_has_colors():
if sys.platform=='cygwin' and 'USE_COLOR' not in os.environ:
# Avoid importing curses that causes illegal operation
# with a message:
# PYTHON2 caused an invalid page fault in
# module CYGNURSES7.DLL as 015f:18bbfc28
# Details: Python 2.3.3 [GCC 3.3.1 (cygming special)]
# ssh to Win32 machine from debian
# curses.version is 2.2
# CYGWIN_98-4.10, release 1.5.7(0.109/3/2))
return 0
if hasattr(sys.stdout, 'isatty') and sys.stdout.isatty():
try:
import curses
curses.setupterm()
if (curses.tigetnum("colors") >= 0
and curses.tigetnum("pairs") >= 0
and ((curses.tigetstr("setf") is not None
and curses.tigetstr("setb") is not None)
or (curses.tigetstr("setaf") is not None
and curses.tigetstr("setab") is not None)
or curses.tigetstr("scp") is not None)):
return 1
except Exception:
pass
return 0
if terminal_has_colors():
_colour_codes = dict(black=0, red=1, green=2, yellow=3,
blue=4, magenta=5, cyan=6, white=7, default=9)
def colour_text(s, fg=None, bg=None, bold=False):
seq = []
if bold:
seq.append('1')
if fg:
fgcode = 30 + _colour_codes.get(fg.lower(), 0)
seq.append(str(fgcode))
if bg:
bgcode = 40 + _colour_codes.get(bg.lower(), 7)
seq.append(str(bgcode))
if seq:
return '\x1b[%sm%s\x1b[0m' % (';'.join(seq), s)
else:
return s
else:
def colour_text(s, fg=None, bg=None):
return s
def default_text(s):
return colour_text(s, 'default')
def red_text(s):
return colour_text(s, 'red')
def green_text(s):
return colour_text(s, 'green')
def yellow_text(s):
return colour_text(s, 'yellow')
def cyan_text(s):
return colour_text(s, 'cyan')
def blue_text(s):
return colour_text(s, 'blue')
#########################
def cyg2win32(path: str) -> str:
"""Convert a path from Cygwin-native to Windows-native.
Uses the cygpath utility (part of the Base install) to do the
actual conversion. Falls back to returning the original path if
this fails.
Handles the default ``/cygdrive`` mount prefix as well as the
``/proc/cygdrive`` portable prefix, custom cygdrive prefixes such
as ``/`` or ``/mnt``, and absolute paths such as ``/usr/src/`` or
``/home/username``
Parameters
----------
path : str
The path to convert
Returns
-------
converted_path : str
The converted path
Notes
-----
Documentation for cygpath utility:
https://cygwin.com/cygwin-ug-net/cygpath.html
Documentation for the C function it wraps:
https://cygwin.com/cygwin-api/func-cygwin-conv-path.html
"""
if sys.platform != "cygwin":
return path
return subprocess.check_output(
["/usr/bin/cygpath", "--windows", path], text=True
)
def mingw32():
"""Return true when using mingw32 environment.
"""
if sys.platform=='win32':
if os.environ.get('OSTYPE', '')=='msys':
return True
if os.environ.get('MSYSTEM', '')=='MINGW32':
return True
return False
def msvc_runtime_version():
"Return version of MSVC runtime library, as defined by __MSC_VER__ macro"
msc_pos = sys.version.find('MSC v.')
if msc_pos != -1:
msc_ver = int(sys.version[msc_pos+6:msc_pos+10])
else:
msc_ver = None
return msc_ver
def msvc_runtime_library():
"Return name of MSVC runtime library if Python was built with MSVC >= 7"
ver = msvc_runtime_major ()
if ver:
if ver < 140:
return "msvcr%i" % ver
else:
return "vcruntime%i" % ver
else:
return None
def msvc_runtime_major():
"Return major version of MSVC runtime coded like get_build_msvc_version"
major = {1300: 70, # MSVC 7.0
1310: 71, # MSVC 7.1
1400: 80, # MSVC 8
1500: 90, # MSVC 9 (aka 2008)
1600: 100, # MSVC 10 (aka 2010)
1900: 140, # MSVC 14 (aka 2015)
}.get(msvc_runtime_version(), None)
return major
#########################
#XXX need support for .C that is also C++
cxx_ext_match = re.compile(r'.*\.(cpp|cxx|cc)\Z', re.I).match
fortran_ext_match = re.compile(r'.*\.(f90|f95|f77|for|ftn|f)\Z', re.I).match
f90_ext_match = re.compile(r'.*\.(f90|f95)\Z', re.I).match
f90_module_name_match = re.compile(r'\s*module\s*(?P<name>[\w_]+)', re.I).match
def _get_f90_modules(source):
"""Return a list of Fortran f90 module names that
given source file defines.
"""
if not f90_ext_match(source):
return []
modules = []
with open(source) as f:
for line in f:
m = f90_module_name_match(line)
if m:
name = m.group('name')
modules.append(name)
# break # XXX can we assume that there is one module per file?
return modules
def is_string(s):
return isinstance(s, str)
def all_strings(lst):
"""Return True if all items in lst are string objects. """
for item in lst:
if not is_string(item):
return False
return True
def is_sequence(seq):
if is_string(seq):
return False
try:
len(seq)
except Exception:
return False
return True
def is_glob_pattern(s):
return is_string(s) and ('*' in s or '?' in s)
def as_list(seq):
if is_sequence(seq):
return list(seq)
else:
return [seq]
def get_language(sources):
# not used in numpy/scipy packages, use build_ext.detect_language instead
"""Determine language value (c,f77,f90) from sources """
language = None
for source in sources:
if isinstance(source, str):
if f90_ext_match(source):
language = 'f90'
break
elif fortran_ext_match(source):
language = 'f77'
return language
def has_f_sources(sources):
"""Return True if sources contains Fortran files """
for source in sources:
if fortran_ext_match(source):
return True
return False
def has_cxx_sources(sources):
"""Return True if sources contains C++ files """
for source in sources:
if cxx_ext_match(source):
return True
return False
def filter_sources(sources):
"""Return four lists of filenames containing
C, C++, Fortran, and Fortran 90 module sources,
respectively.
"""
c_sources = []
cxx_sources = []
f_sources = []
fmodule_sources = []
for source in sources:
if fortran_ext_match(source):
modules = _get_f90_modules(source)
if modules:
fmodule_sources.append(source)
else:
f_sources.append(source)
elif cxx_ext_match(source):
cxx_sources.append(source)
else:
c_sources.append(source)
return c_sources, cxx_sources, f_sources, fmodule_sources
def _get_headers(directory_list):
# get *.h files from list of directories
headers = []
for d in directory_list:
head = sorted_glob(os.path.join(d, "*.h")) #XXX: *.hpp files??
headers.extend(head)
return headers
def _get_directories(list_of_sources):
# get unique directories from list of sources.
direcs = []
for f in list_of_sources:
d = os.path.split(f)
if d[0] != '' and not d[0] in direcs:
direcs.append(d[0])
return direcs
def _commandline_dep_string(cc_args, extra_postargs, pp_opts):
"""
Return commandline representation used to determine if a file needs
to be recompiled
"""
cmdline = 'commandline: '
cmdline += ' '.join(cc_args)
cmdline += ' '.join(extra_postargs)
cmdline += ' '.join(pp_opts) + '\n'
return cmdline
def get_dependencies(sources):
#XXX scan sources for include statements
return _get_headers(_get_directories(sources))
def is_local_src_dir(directory):
"""Return true if directory is local directory.
"""
if not is_string(directory):
return False
abs_dir = os.path.abspath(directory)
c = os.path.commonprefix([os.getcwd(), abs_dir])
new_dir = abs_dir[len(c):].split(os.sep)
if new_dir and not new_dir[0]:
new_dir = new_dir[1:]
if new_dir and new_dir[0]=='build':
return False
new_dir = os.sep.join(new_dir)
return os.path.isdir(new_dir)
def general_source_files(top_path):
pruned_directories = {'CVS':1, '.svn':1, 'build':1}
prune_file_pat = re.compile(r'(?:[~#]|\.py[co]|\.o)$')
for dirpath, dirnames, filenames in os.walk(top_path, topdown=True):
pruned = [ d for d in dirnames if d not in pruned_directories ]
dirnames[:] = pruned
for f in filenames:
if not prune_file_pat.search(f):
yield os.path.join(dirpath, f)
def general_source_directories_files(top_path):
"""Return a directory name relative to top_path and
files contained.
"""
pruned_directories = ['CVS', '.svn', 'build']
prune_file_pat = re.compile(r'(?:[~#]|\.py[co]|\.o)$')
for dirpath, dirnames, filenames in os.walk(top_path, topdown=True):
pruned = [ d for d in dirnames if d not in pruned_directories ]
dirnames[:] = pruned
for d in dirnames:
dpath = os.path.join(dirpath, d)
rpath = rel_path(dpath, top_path)
files = []
for f in os.listdir(dpath):
fn = os.path.join(dpath, f)
if os.path.isfile(fn) and not prune_file_pat.search(fn):
files.append(fn)
yield rpath, files
dpath = top_path
rpath = rel_path(dpath, top_path)
filenames = [os.path.join(dpath, f) for f in os.listdir(dpath) \
if not prune_file_pat.search(f)]
files = [f for f in filenames if os.path.isfile(f)]
yield rpath, files
def get_ext_source_files(ext):
# Get sources and any include files in the same directory.
filenames = []
sources = [_m for _m in ext.sources if is_string(_m)]
filenames.extend(sources)
filenames.extend(get_dependencies(sources))
for d in ext.depends:
if is_local_src_dir(d):
filenames.extend(list(general_source_files(d)))
elif os.path.isfile(d):
filenames.append(d)
return filenames
def get_script_files(scripts):
scripts = [_m for _m in scripts if is_string(_m)]
return scripts
def get_lib_source_files(lib):
filenames = []
sources = lib[1].get('sources', [])
sources = [_m for _m in sources if is_string(_m)]
filenames.extend(sources)
filenames.extend(get_dependencies(sources))
depends = lib[1].get('depends', [])
for d in depends:
if is_local_src_dir(d):
filenames.extend(list(general_source_files(d)))
elif os.path.isfile(d):
filenames.append(d)
return filenames
def get_shared_lib_extension(is_python_ext=False):
"""Return the correct file extension for shared libraries.
Parameters
----------
is_python_ext : bool, optional
Whether the shared library is a Python extension. Default is False.
Returns
-------
so_ext : str
The shared library extension.
Notes
-----
For Python shared libs, `so_ext` will typically be '.so' on Linux and OS X,
and '.pyd' on Windows. For Python >= 3.2 `so_ext` has a tag prepended on
POSIX systems according to PEP 3149.
"""
confvars = distutils.sysconfig.get_config_vars()
so_ext = confvars.get('EXT_SUFFIX', '')
if not is_python_ext:
# hardcode known values, config vars (including SHLIB_SUFFIX) are
# unreliable (see #3182)
# darwin, windows and debug linux are wrong in 3.3.1 and older
if (sys.platform.startswith('linux') or
sys.platform.startswith('gnukfreebsd')):
so_ext = '.so'
elif sys.platform.startswith('darwin'):
so_ext = '.dylib'
elif sys.platform.startswith('win'):
so_ext = '.dll'
else:
# fall back to config vars for unknown platforms
# fix long extension for Python >=3.2, see PEP 3149.
if 'SOABI' in confvars:
# Does nothing unless SOABI config var exists
so_ext = so_ext.replace('.' + confvars.get('SOABI'), '', 1)
return so_ext
def get_data_files(data):
if is_string(data):
return [data]
sources = data[1]
filenames = []
for s in sources:
if hasattr(s, '__call__'):
continue
if is_local_src_dir(s):
filenames.extend(list(general_source_files(s)))
elif is_string(s):
if os.path.isfile(s):
filenames.append(s)
else:
print('Not existing data file:', s)
else:
raise TypeError(repr(s))
return filenames
def dot_join(*args):
return '.'.join([a for a in args if a])
def get_frame(level=0):
"""Return frame object from call stack with given level.
"""
try:
return sys._getframe(level+1)
except AttributeError:
frame = sys.exc_info()[2].tb_frame
for _ in range(level+1):
frame = frame.f_back
return frame
######################
class Configuration:
_list_keys = ['packages', 'ext_modules', 'data_files', 'include_dirs',
'libraries', 'headers', 'scripts', 'py_modules',
'installed_libraries', 'define_macros']
_dict_keys = ['package_dir', 'installed_pkg_config']
_extra_keys = ['name', 'version']
numpy_include_dirs = []
def __init__(self,
package_name=None,
parent_name=None,
top_path=None,
package_path=None,
caller_level=1,
setup_name='setup.py',
**attrs):
"""Construct configuration instance of a package.
package_name -- name of the package
Ex.: 'distutils'
parent_name -- name of the parent package
Ex.: 'numpy'
top_path -- directory of the toplevel package
Ex.: the directory where the numpy package source sits
package_path -- directory of package. Will be computed by magic from the
directory of the caller module if not specified
Ex.: the directory where numpy.distutils is
caller_level -- frame level to caller namespace, internal parameter.
"""
self.name = dot_join(parent_name, package_name)
self.version = None
caller_frame = get_frame(caller_level)
self.local_path = get_path_from_frame(caller_frame, top_path)
# local_path -- directory of a file (usually setup.py) that
# defines a configuration() function.
# local_path -- directory of a file (usually setup.py) that
# defines a configuration() function.
if top_path is None:
top_path = self.local_path
self.local_path = ''
if package_path is None:
package_path = self.local_path
elif os.path.isdir(njoin(self.local_path, package_path)):
package_path = njoin(self.local_path, package_path)
if not os.path.isdir(package_path or '.'):
raise ValueError("%r is not a directory" % (package_path,))
self.top_path = top_path
self.package_path = package_path
# this is the relative path in the installed package
self.path_in_package = os.path.join(*self.name.split('.'))
self.list_keys = self._list_keys[:]
self.dict_keys = self._dict_keys[:]
for n in self.list_keys:
v = copy.copy(attrs.get(n, []))
setattr(self, n, as_list(v))
for n in self.dict_keys:
v = copy.copy(attrs.get(n, {}))
setattr(self, n, v)
known_keys = self.list_keys + self.dict_keys
self.extra_keys = self._extra_keys[:]
for n in attrs.keys():
if n in known_keys:
continue
a = attrs[n]
setattr(self, n, a)
if isinstance(a, list):
self.list_keys.append(n)
elif isinstance(a, dict):
self.dict_keys.append(n)
else:
self.extra_keys.append(n)
if os.path.exists(njoin(package_path, '__init__.py')):
self.packages.append(self.name)
self.package_dir[self.name] = package_path
self.options = dict(
ignore_setup_xxx_py = False,
assume_default_configuration = False,
delegate_options_to_subpackages = False,
quiet = False,
)
caller_instance = None
for i in range(1, 3):
try:
f = get_frame(i)
except ValueError:
break
try:
caller_instance = eval('self', f.f_globals, f.f_locals)
break
except NameError:
pass
if isinstance(caller_instance, self.__class__):
if caller_instance.options['delegate_options_to_subpackages']:
self.set_options(**caller_instance.options)
self.setup_name = setup_name
def todict(self):
"""
Return a dictionary compatible with the keyword arguments of distutils
setup function.
Examples
--------
>>> setup(**config.todict()) #doctest: +SKIP
"""
self._optimize_data_files()
d = {}
known_keys = self.list_keys + self.dict_keys + self.extra_keys
for n in known_keys:
a = getattr(self, n)
if a:
d[n] = a
return d
def info(self, message):
if not self.options['quiet']:
print(message)
def warn(self, message):
sys.stderr.write('Warning: %s\n' % (message,))
def set_options(self, **options):
"""
Configure Configuration instance.
The following options are available:
- ignore_setup_xxx_py
- assume_default_configuration
- delegate_options_to_subpackages
- quiet
"""
for key, value in options.items():
if key in self.options:
self.options[key] = value
else:
raise ValueError('Unknown option: '+key)
def get_distribution(self):
"""Return the distutils distribution object for self."""
from numpy.distutils.core import get_distribution
return get_distribution()
def _wildcard_get_subpackage(self, subpackage_name,
parent_name,
caller_level = 1):
l = subpackage_name.split('.')
subpackage_path = njoin([self.local_path]+l)
dirs = [_m for _m in sorted_glob(subpackage_path) if os.path.isdir(_m)]
config_list = []
for d in dirs:
if not os.path.isfile(njoin(d, '__init__.py')):
continue
if 'build' in d.split(os.sep):
continue
n = '.'.join(d.split(os.sep)[-len(l):])
c = self.get_subpackage(n,
parent_name = parent_name,
caller_level = caller_level+1)
config_list.extend(c)
return config_list
def _get_configuration_from_setup_py(self, setup_py,
subpackage_name,
subpackage_path,
parent_name,
caller_level = 1):
# In case setup_py imports local modules:
sys.path.insert(0, os.path.dirname(setup_py))
try:
setup_name = os.path.splitext(os.path.basename(setup_py))[0]
n = dot_join(self.name, subpackage_name, setup_name)
setup_module = exec_mod_from_location(
'_'.join(n.split('.')), setup_py)
if not hasattr(setup_module, 'configuration'):
if not self.options['assume_default_configuration']:
self.warn('Assuming default configuration '\
'(%s does not define configuration())'\
% (setup_module))
config = Configuration(subpackage_name, parent_name,
self.top_path, subpackage_path,
caller_level = caller_level + 1)
else:
pn = dot_join(*([parent_name] + subpackage_name.split('.')[:-1]))
args = (pn,)
if setup_module.configuration.__code__.co_argcount > 1:
args = args + (self.top_path,)
config = setup_module.configuration(*args)
if config.name!=dot_join(parent_name, subpackage_name):
self.warn('Subpackage %r configuration returned as %r' % \
(dot_join(parent_name, subpackage_name), config.name))
finally:
del sys.path[0]
return config
def get_subpackage(self,subpackage_name,
subpackage_path=None,
parent_name=None,
caller_level = 1):
"""Return list of subpackage configurations.
Parameters
----------
subpackage_name : str or None
Name of the subpackage to get the configuration. '*' in
subpackage_name is handled as a wildcard.
subpackage_path : str
If None, then the path is assumed to be the local path plus the
subpackage_name. If a setup.py file is not found in the
subpackage_path, then a default configuration is used.
parent_name : str
Parent name.
"""
if subpackage_name is None:
if subpackage_path is None:
raise ValueError(
"either subpackage_name or subpackage_path must be specified")
subpackage_name = os.path.basename(subpackage_path)
# handle wildcards
l = subpackage_name.split('.')
if subpackage_path is None and '*' in subpackage_name:
return self._wildcard_get_subpackage(subpackage_name,
parent_name,
caller_level = caller_level+1)
assert '*' not in subpackage_name, repr((subpackage_name, subpackage_path, parent_name))
if subpackage_path is None:
subpackage_path = njoin([self.local_path] + l)
else:
subpackage_path = njoin([subpackage_path] + l[:-1])
subpackage_path = self.paths([subpackage_path])[0]
setup_py = njoin(subpackage_path, self.setup_name)
if not self.options['ignore_setup_xxx_py']:
if not os.path.isfile(setup_py):
setup_py = njoin(subpackage_path,
'setup_%s.py' % (subpackage_name))
if not os.path.isfile(setup_py):
if not self.options['assume_default_configuration']:
self.warn('Assuming default configuration '\
'(%s/{setup_%s,setup}.py was not found)' \
% (os.path.dirname(setup_py), subpackage_name))
config = Configuration(subpackage_name, parent_name,
self.top_path, subpackage_path,
caller_level = caller_level+1)
else:
config = self._get_configuration_from_setup_py(
setup_py,
subpackage_name,
subpackage_path,
parent_name,
caller_level = caller_level + 1)
if config:
return [config]
else:
return []
def add_subpackage(self,subpackage_name,
subpackage_path=None,
standalone = False):
"""Add a sub-package to the current Configuration instance.
This is useful in a setup.py script for adding sub-packages to a
package.
Parameters
----------
subpackage_name : str
name of the subpackage
subpackage_path : str
if given, the subpackage path such as the subpackage is in
subpackage_path / subpackage_name. If None,the subpackage is
assumed to be located in the local path / subpackage_name.
standalone : bool
"""
if standalone:
parent_name = None
else:
parent_name = self.name
config_list = self.get_subpackage(subpackage_name, subpackage_path,
parent_name = parent_name,
caller_level = 2)
if not config_list:
self.warn('No configuration returned, assuming unavailable.')
for config in config_list:
d = config
if isinstance(config, Configuration):
d = config.todict()
assert isinstance(d, dict), repr(type(d))
self.info('Appending %s configuration to %s' \
% (d.get('name'), self.name))
self.dict_append(**d)
dist = self.get_distribution()
if dist is not None:
self.warn('distutils distribution has been initialized,'\
' it may be too late to add a subpackage '+ subpackage_name)
def add_data_dir(self, data_path):
"""Recursively add files under data_path to data_files list.
Recursively add files under data_path to the list of data_files to be
installed (and distributed). The data_path can be either a relative
path-name, or an absolute path-name, or a 2-tuple where the first
argument shows where in the install directory the data directory
should be installed to.
Parameters
----------
data_path : seq or str
Argument can be either
* 2-sequence (<datadir suffix>, <path to data directory>)
* path to data directory where python datadir suffix defaults
to package dir.
Notes
-----
Rules for installation paths::
foo/bar -> (foo/bar, foo/bar) -> parent/foo/bar
(gun, foo/bar) -> parent/gun
foo/* -> (foo/a, foo/a), (foo/b, foo/b) -> parent/foo/a, parent/foo/b
(gun, foo/*) -> (gun, foo/a), (gun, foo/b) -> gun
(gun/*, foo/*) -> parent/gun/a, parent/gun/b
/foo/bar -> (bar, /foo/bar) -> parent/bar
(gun, /foo/bar) -> parent/gun
(fun/*/gun/*, sun/foo/bar) -> parent/fun/foo/gun/bar
Examples
--------
For example suppose the source directory contains fun/foo.dat and
fun/bar/car.dat:
>>> self.add_data_dir('fun') #doctest: +SKIP
>>> self.add_data_dir(('sun', 'fun')) #doctest: +SKIP
>>> self.add_data_dir(('gun', '/full/path/to/fun'))#doctest: +SKIP
Will install data-files to the locations::
<package install directory>/
fun/
foo.dat
bar/
car.dat
sun/
foo.dat
bar/
car.dat
gun/
foo.dat
car.dat
"""
if is_sequence(data_path):
d, data_path = data_path
else:
d = None
if is_sequence(data_path):
[self.add_data_dir((d, p)) for p in data_path]
return
if not is_string(data_path):
raise TypeError("not a string: %r" % (data_path,))
if d is None:
if os.path.isabs(data_path):
return self.add_data_dir((os.path.basename(data_path), data_path))
return self.add_data_dir((data_path, data_path))
paths = self.paths(data_path, include_non_existing=False)
if is_glob_pattern(data_path):
if is_glob_pattern(d):
pattern_list = allpath(d).split(os.sep)
pattern_list.reverse()
# /a/*//b/ -> /a/*/b
rl = list(range(len(pattern_list)-1)); rl.reverse()
for i in rl:
if not pattern_list[i]:
del pattern_list[i]
#
for path in paths:
if not os.path.isdir(path):
print('Not a directory, skipping', path)
continue
rpath = rel_path(path, self.local_path)
path_list = rpath.split(os.sep)
path_list.reverse()
target_list = []
i = 0
for s in pattern_list:
if is_glob_pattern(s):
if i>=len(path_list):
raise ValueError('cannot fill pattern %r with %r' \
% (d, path))
target_list.append(path_list[i])
else:
assert s==path_list[i], repr((s, path_list[i], data_path, d, path, rpath))
target_list.append(s)
i += 1
if path_list[i:]:
self.warn('mismatch of pattern_list=%s and path_list=%s'\
% (pattern_list, path_list))
target_list.reverse()
self.add_data_dir((os.sep.join(target_list), path))
else:
for path in paths:
self.add_data_dir((d, path))
return
assert not is_glob_pattern(d), repr(d)
dist = self.get_distribution()
if dist is not None and dist.data_files is not None:
data_files = dist.data_files
else:
data_files = self.data_files
for path in paths:
for d1, f in list(general_source_directories_files(path)):
target_path = os.path.join(self.path_in_package, d, d1)
data_files.append((target_path, f))
def _optimize_data_files(self):
data_dict = {}
for p, files in self.data_files:
if p not in data_dict:
data_dict[p] = set()
for f in files:
data_dict[p].add(f)
self.data_files[:] = [(p, list(files)) for p, files in data_dict.items()]
def add_data_files(self,*files):
"""Add data files to configuration data_files.
Parameters
----------
files : sequence
Argument(s) can be either
* 2-sequence (<datadir prefix>,<path to data file(s)>)
* paths to data files where python datadir prefix defaults
to package dir.
Notes
-----
The form of each element of the files sequence is very flexible
allowing many combinations of where to get the files from the package
and where they should ultimately be installed on the system. The most
basic usage is for an element of the files argument sequence to be a
simple filename. This will cause that file from the local path to be
installed to the installation path of the self.name package (package
path). The file argument can also be a relative path in which case the
entire relative path will be installed into the package directory.
Finally, the file can be an absolute path name in which case the file
will be found at the absolute path name but installed to the package
path.
This basic behavior can be augmented by passing a 2-tuple in as the
file argument. The first element of the tuple should specify the
relative path (under the package install directory) where the
remaining sequence of files should be installed to (it has nothing to
do with the file-names in the source distribution). The second element
of the tuple is the sequence of files that should be installed. The
files in this sequence can be filenames, relative paths, or absolute
paths. For absolute paths the file will be installed in the top-level
package installation directory (regardless of the first argument).
Filenames and relative path names will be installed in the package
install directory under the path name given as the first element of
the tuple.
Rules for installation paths:
#. file.txt -> (., file.txt)-> parent/file.txt
#. foo/file.txt -> (foo, foo/file.txt) -> parent/foo/file.txt
#. /foo/bar/file.txt -> (., /foo/bar/file.txt) -> parent/file.txt
#. ``*``.txt -> parent/a.txt, parent/b.txt
#. foo/``*``.txt`` -> parent/foo/a.txt, parent/foo/b.txt
#. ``*/*.txt`` -> (``*``, ``*``/``*``.txt) -> parent/c/a.txt, parent/d/b.txt
#. (sun, file.txt) -> parent/sun/file.txt
#. (sun, bar/file.txt) -> parent/sun/file.txt
#. (sun, /foo/bar/file.txt) -> parent/sun/file.txt
#. (sun, ``*``.txt) -> parent/sun/a.txt, parent/sun/b.txt
#. (sun, bar/``*``.txt) -> parent/sun/a.txt, parent/sun/b.txt
#. (sun/``*``, ``*``/``*``.txt) -> parent/sun/c/a.txt, parent/d/b.txt
An additional feature is that the path to a data-file can actually be
a function that takes no arguments and returns the actual path(s) to
the data-files. This is useful when the data files are generated while
building the package.
Examples
--------
Add files to the list of data_files to be included with the package.
>>> self.add_data_files('foo.dat',
... ('fun', ['gun.dat', 'nun/pun.dat', '/tmp/sun.dat']),
... 'bar/cat.dat',
... '/full/path/to/can.dat') #doctest: +SKIP
will install these data files to::
<package install directory>/
foo.dat
fun/
gun.dat
nun/
pun.dat
sun.dat
bar/
car.dat
can.dat
where <package install directory> is the package (or sub-package)
directory such as '/usr/lib/python2.4/site-packages/mypackage' ('C:
\\Python2.4 \\Lib \\site-packages \\mypackage') or
'/usr/lib/python2.4/site- packages/mypackage/mysubpackage' ('C:
\\Python2.4 \\Lib \\site-packages \\mypackage \\mysubpackage').
"""
if len(files)>1:
for f in files:
self.add_data_files(f)
return
assert len(files)==1
if is_sequence(files[0]):
d, files = files[0]
else:
d = None
if is_string(files):
filepat = files
elif is_sequence(files):
if len(files)==1:
filepat = files[0]
else:
for f in files:
self.add_data_files((d, f))
return
else:
raise TypeError(repr(type(files)))
if d is None:
if hasattr(filepat, '__call__'):
d = ''
elif os.path.isabs(filepat):
d = ''
else:
d = os.path.dirname(filepat)
self.add_data_files((d, files))
return
paths = self.paths(filepat, include_non_existing=False)
if is_glob_pattern(filepat):
if is_glob_pattern(d):
pattern_list = d.split(os.sep)
pattern_list.reverse()
for path in paths:
path_list = path.split(os.sep)
path_list.reverse()
path_list.pop() # filename
target_list = []
i = 0
for s in pattern_list:
if is_glob_pattern(s):
target_list.append(path_list[i])
i += 1
else:
target_list.append(s)
target_list.reverse()
self.add_data_files((os.sep.join(target_list), path))
else:
self.add_data_files((d, paths))
return
assert not is_glob_pattern(d), repr((d, filepat))
dist = self.get_distribution()
if dist is not None and dist.data_files is not None:
data_files = dist.data_files
else:
data_files = self.data_files
data_files.append((os.path.join(self.path_in_package, d), paths))
### XXX Implement add_py_modules
def add_define_macros(self, macros):
"""Add define macros to configuration
Add the given sequence of macro name and value duples to the beginning
of the define_macros list This list will be visible to all extension
modules of the current package.
"""
dist = self.get_distribution()
if dist is not None:
if not hasattr(dist, 'define_macros'):
dist.define_macros = []
dist.define_macros.extend(macros)
else:
self.define_macros.extend(macros)
def add_include_dirs(self,*paths):
"""Add paths to configuration include directories.
Add the given sequence of paths to the beginning of the include_dirs
list. This list will be visible to all extension modules of the
current package.
"""
include_dirs = self.paths(paths)
dist = self.get_distribution()
if dist is not None:
if dist.include_dirs is None:
dist.include_dirs = []
dist.include_dirs.extend(include_dirs)
else:
self.include_dirs.extend(include_dirs)
def add_headers(self,*files):
"""Add installable headers to configuration.
Add the given sequence of files to the beginning of the headers list.
By default, headers will be installed under <python-
include>/<self.name.replace('.','/')>/ directory. If an item of files
is a tuple, then its first argument specifies the actual installation
location relative to the <python-include> path.
Parameters
----------
files : str or seq
Argument(s) can be either:
* 2-sequence (<includedir suffix>,<path to header file(s)>)
* path(s) to header file(s) where python includedir suffix will
default to package name.
"""
headers = []
for path in files:
if is_string(path):
[headers.append((self.name, p)) for p in self.paths(path)]
else:
if not isinstance(path, (tuple, list)) or len(path) != 2:
raise TypeError(repr(path))
[headers.append((path[0], p)) for p in self.paths(path[1])]
dist = self.get_distribution()
if dist is not None:
if dist.headers is None:
dist.headers = []
dist.headers.extend(headers)
else:
self.headers.extend(headers)
def paths(self,*paths,**kws):
"""Apply glob to paths and prepend local_path if needed.
Applies glob.glob(...) to each path in the sequence (if needed) and
pre-pends the local_path if needed. Because this is called on all
source lists, this allows wildcard characters to be specified in lists
of sources for extension modules and libraries and scripts and allows
path-names be relative to the source directory.
"""
include_non_existing = kws.get('include_non_existing', True)
return gpaths(paths,
local_path = self.local_path,
include_non_existing=include_non_existing)
def _fix_paths_dict(self, kw):
for k in kw.keys():
v = kw[k]
if k in ['sources', 'depends', 'include_dirs', 'library_dirs',
'module_dirs', 'extra_objects']:
new_v = self.paths(v)
kw[k] = new_v
def add_extension(self,name,sources,**kw):
"""Add extension to configuration.
Create and add an Extension instance to the ext_modules list. This
method also takes the following optional keyword arguments that are
passed on to the Extension constructor.
Parameters
----------
name : str
name of the extension
sources : seq
list of the sources. The list of sources may contain functions
(called source generators) which must take an extension instance
and a build directory as inputs and return a source file or list of
source files or None. If None is returned then no sources are
generated. If the Extension instance has no sources after
processing all source generators, then no extension module is
built.
include_dirs :
define_macros :
undef_macros :
library_dirs :
libraries :
runtime_library_dirs :
extra_objects :
extra_compile_args :
extra_link_args :
extra_f77_compile_args :
extra_f90_compile_args :
export_symbols :
swig_opts :
depends :
The depends list contains paths to files or directories that the
sources of the extension module depend on. If any path in the
depends list is newer than the extension module, then the module
will be rebuilt.
language :
f2py_options :
module_dirs :
extra_info : dict or list
dict or list of dict of keywords to be appended to keywords.
Notes
-----
The self.paths(...) method is applied to all lists that may contain
paths.
"""
ext_args = copy.copy(kw)
ext_args['name'] = dot_join(self.name, name)
ext_args['sources'] = sources
if 'extra_info' in ext_args:
extra_info = ext_args['extra_info']
del ext_args['extra_info']
if isinstance(extra_info, dict):
extra_info = [extra_info]
for info in extra_info:
assert isinstance(info, dict), repr(info)
dict_append(ext_args,**info)
self._fix_paths_dict(ext_args)
# Resolve out-of-tree dependencies
libraries = ext_args.get('libraries', [])
libnames = []
ext_args['libraries'] = []
for libname in libraries:
if isinstance(libname, tuple):
self._fix_paths_dict(libname[1])
# Handle library names of the form libname@relative/path/to/library
if '@' in libname:
lname, lpath = libname.split('@', 1)
lpath = os.path.abspath(njoin(self.local_path, lpath))
if os.path.isdir(lpath):
c = self.get_subpackage(None, lpath,
caller_level = 2)
if isinstance(c, Configuration):
c = c.todict()
for l in [l[0] for l in c.get('libraries', [])]:
llname = l.split('__OF__', 1)[0]
if llname == lname:
c.pop('name', None)
dict_append(ext_args,**c)
break
continue
libnames.append(libname)
ext_args['libraries'] = libnames + ext_args['libraries']
ext_args['define_macros'] = \
self.define_macros + ext_args.get('define_macros', [])
from numpy.distutils.core import Extension
ext = Extension(**ext_args)
self.ext_modules.append(ext)
dist = self.get_distribution()
if dist is not None:
self.warn('distutils distribution has been initialized,'\
' it may be too late to add an extension '+name)
return ext
def add_library(self,name,sources,**build_info):
"""
Add library to configuration.
Parameters
----------
name : str
Name of the extension.
sources : sequence
List of the sources. The list of sources may contain functions
(called source generators) which must take an extension instance
and a build directory as inputs and return a source file or list of
source files or None. If None is returned then no sources are
generated. If the Extension instance has no sources after
processing all source generators, then no extension module is
built.
build_info : dict, optional
The following keys are allowed:
* depends
* macros
* include_dirs
* extra_compiler_args
* extra_f77_compile_args
* extra_f90_compile_args
* f2py_options
* language
"""
self._add_library(name, sources, None, build_info)
dist = self.get_distribution()
if dist is not None:
self.warn('distutils distribution has been initialized,'\
' it may be too late to add a library '+ name)
def _add_library(self, name, sources, install_dir, build_info):
"""Common implementation for add_library and add_installed_library. Do
not use directly"""
build_info = copy.copy(build_info)
build_info['sources'] = sources
# Sometimes, depends is not set up to an empty list by default, and if
# depends is not given to add_library, distutils barfs (#1134)
if not 'depends' in build_info:
build_info['depends'] = []
self._fix_paths_dict(build_info)
# Add to libraries list so that it is build with build_clib
self.libraries.append((name, build_info))
def add_installed_library(self, name, sources, install_dir, build_info=None):
"""
Similar to add_library, but the specified library is installed.
Most C libraries used with `distutils` are only used to build python
extensions, but libraries built through this method will be installed
so that they can be reused by third-party packages.
Parameters
----------
name : str
Name of the installed library.
sources : sequence
List of the library's source files. See `add_library` for details.
install_dir : str
Path to install the library, relative to the current sub-package.
build_info : dict, optional
The following keys are allowed:
* depends
* macros
* include_dirs
* extra_compiler_args
* extra_f77_compile_args
* extra_f90_compile_args
* f2py_options
* language
Returns
-------
None
See Also
--------
add_library, add_npy_pkg_config, get_info
Notes
-----
The best way to encode the options required to link against the specified
C libraries is to use a "libname.ini" file, and use `get_info` to
retrieve the required options (see `add_npy_pkg_config` for more
information).
"""
if not build_info:
build_info = {}
install_dir = os.path.join(self.package_path, install_dir)
self._add_library(name, sources, install_dir, build_info)
self.installed_libraries.append(InstallableLib(name, build_info, install_dir))
def add_npy_pkg_config(self, template, install_dir, subst_dict=None):
"""
Generate and install a npy-pkg config file from a template.
The config file generated from `template` is installed in the
given install directory, using `subst_dict` for variable substitution.
Parameters
----------
template : str
The path of the template, relatively to the current package path.
install_dir : str
Where to install the npy-pkg config file, relatively to the current
package path.
subst_dict : dict, optional
If given, any string of the form ``@key@`` will be replaced by
``subst_dict[key]`` in the template file when installed. The install
prefix is always available through the variable ``@prefix@``, since the
install prefix is not easy to get reliably from setup.py.
See also
--------
add_installed_library, get_info
Notes
-----
This works for both standard installs and in-place builds, i.e. the
``@prefix@`` refer to the source directory for in-place builds.
Examples
--------
::
config.add_npy_pkg_config('foo.ini.in', 'lib', {'foo': bar})
Assuming the foo.ini.in file has the following content::
[meta]
Name=@foo@
Version=1.0
Description=dummy description
[default]
Cflags=-I@prefix@/include
Libs=
The generated file will have the following content::
[meta]
Name=bar
Version=1.0
Description=dummy description
[default]
Cflags=-Iprefix_dir/include
Libs=
and will be installed as foo.ini in the 'lib' subpath.
When cross-compiling with numpy distutils, it might be necessary to
use modified npy-pkg-config files. Using the default/generated files
will link with the host libraries (i.e. libnpymath.a). For
cross-compilation you of-course need to link with target libraries,
while using the host Python installation.
You can copy out the numpy/core/lib/npy-pkg-config directory, add a
pkgdir value to the .ini files and set NPY_PKG_CONFIG_PATH environment
variable to point to the directory with the modified npy-pkg-config
files.
Example npymath.ini modified for cross-compilation::
[meta]
Name=npymath
Description=Portable, core math library implementing C99 standard
Version=0.1
[variables]
pkgname=numpy.core
pkgdir=/build/arm-linux-gnueabi/sysroot/usr/lib/python3.7/site-packages/numpy/core
prefix=${pkgdir}
libdir=${prefix}/lib
includedir=${prefix}/include
[default]
Libs=-L${libdir} -lnpymath
Cflags=-I${includedir}
Requires=mlib
[msvc]
Libs=/LIBPATH:${libdir} npymath.lib
Cflags=/INCLUDE:${includedir}
Requires=mlib
"""
if subst_dict is None:
subst_dict = {}
template = os.path.join(self.package_path, template)
if self.name in self.installed_pkg_config:
self.installed_pkg_config[self.name].append((template, install_dir,
subst_dict))
else:
self.installed_pkg_config[self.name] = [(template, install_dir,
subst_dict)]
def add_scripts(self,*files):
"""Add scripts to configuration.
Add the sequence of files to the beginning of the scripts list.
Scripts will be installed under the <prefix>/bin/ directory.
"""
scripts = self.paths(files)
dist = self.get_distribution()
if dist is not None:
if dist.scripts is None:
dist.scripts = []
dist.scripts.extend(scripts)
else:
self.scripts.extend(scripts)
def dict_append(self,**dict):
for key in self.list_keys:
a = getattr(self, key)
a.extend(dict.get(key, []))
for key in self.dict_keys:
a = getattr(self, key)
a.update(dict.get(key, {}))
known_keys = self.list_keys + self.dict_keys + self.extra_keys
for key in dict.keys():
if key not in known_keys:
a = getattr(self, key, None)
if a and a==dict[key]: continue
self.warn('Inheriting attribute %r=%r from %r' \
% (key, dict[key], dict.get('name', '?')))
setattr(self, key, dict[key])
self.extra_keys.append(key)
elif key in self.extra_keys:
self.info('Ignoring attempt to set %r (from %r to %r)' \
% (key, getattr(self, key), dict[key]))
elif key in known_keys:
# key is already processed above
pass
else:
raise ValueError("Don't know about key=%r" % (key))
def __str__(self):
from pprint import pformat
known_keys = self.list_keys + self.dict_keys + self.extra_keys
s = '<'+5*'-' + '\n'
s += 'Configuration of '+self.name+':\n'
known_keys.sort()
for k in known_keys:
a = getattr(self, k, None)
if a:
s += '%s = %s\n' % (k, pformat(a))
s += 5*'-' + '>'
return s
def get_config_cmd(self):
"""
Returns the numpy.distutils config command instance.
"""
cmd = get_cmd('config')
cmd.ensure_finalized()
cmd.dump_source = 0
cmd.noisy = 0
old_path = os.environ.get('PATH')
if old_path:
path = os.pathsep.join(['.', old_path])
os.environ['PATH'] = path
return cmd
def get_build_temp_dir(self):
"""
Return a path to a temporary directory where temporary files should be
placed.
"""
cmd = get_cmd('build')
cmd.ensure_finalized()
return cmd.build_temp
def have_f77c(self):
"""Check for availability of Fortran 77 compiler.
Use it inside source generating function to ensure that
setup distribution instance has been initialized.
Notes
-----
True if a Fortran 77 compiler is available (because a simple Fortran 77
code was able to be compiled successfully).
"""
simple_fortran_subroutine = '''
subroutine simple
end
'''
config_cmd = self.get_config_cmd()
flag = config_cmd.try_compile(simple_fortran_subroutine, lang='f77')
return flag
def have_f90c(self):
"""Check for availability of Fortran 90 compiler.
Use it inside source generating function to ensure that
setup distribution instance has been initialized.
Notes
-----
True if a Fortran 90 compiler is available (because a simple Fortran
90 code was able to be compiled successfully)
"""
simple_fortran_subroutine = '''
subroutine simple
end
'''
config_cmd = self.get_config_cmd()
flag = config_cmd.try_compile(simple_fortran_subroutine, lang='f90')
return flag
def append_to(self, extlib):
"""Append libraries, include_dirs to extension or library item.
"""
if is_sequence(extlib):
lib_name, build_info = extlib
dict_append(build_info,
libraries=self.libraries,
include_dirs=self.include_dirs)
else:
from numpy.distutils.core import Extension
assert isinstance(extlib, Extension), repr(extlib)
extlib.libraries.extend(self.libraries)
extlib.include_dirs.extend(self.include_dirs)
def _get_svn_revision(self, path):
"""Return path's SVN revision number.
"""
try:
output = subprocess.check_output(['svnversion'], cwd=path)
except (subprocess.CalledProcessError, OSError):
pass
else:
m = re.match(rb'(?P<revision>\d+)', output)
if m:
return int(m.group('revision'))
if sys.platform=='win32' and os.environ.get('SVN_ASP_DOT_NET_HACK', None):
entries = njoin(path, '_svn', 'entries')
else:
entries = njoin(path, '.svn', 'entries')
if os.path.isfile(entries):
with open(entries) as f:
fstr = f.read()
if fstr[:5] == '<?xml': # pre 1.4
m = re.search(r'revision="(?P<revision>\d+)"', fstr)
if m:
return int(m.group('revision'))
else: # non-xml entries file --- check to be sure that
m = re.search(r'dir[\n\r]+(?P<revision>\d+)', fstr)
if m:
return int(m.group('revision'))
return None
def _get_hg_revision(self, path):
"""Return path's Mercurial revision number.
"""
try:
output = subprocess.check_output(
['hg', 'identify', '--num'], cwd=path)
except (subprocess.CalledProcessError, OSError):
pass
else:
m = re.match(rb'(?P<revision>\d+)', output)
if m:
return int(m.group('revision'))
branch_fn = njoin(path, '.hg', 'branch')
branch_cache_fn = njoin(path, '.hg', 'branch.cache')
if os.path.isfile(branch_fn):
branch0 = None
with open(branch_fn) as f:
revision0 = f.read().strip()
branch_map = {}
with open(branch_cache_fn) as f:
for line in f:
branch1, revision1 = line.split()[:2]
if revision1==revision0:
branch0 = branch1
try:
revision1 = int(revision1)
except ValueError:
continue
branch_map[branch1] = revision1
return branch_map.get(branch0)
return None
def get_version(self, version_file=None, version_variable=None):
"""Try to get version string of a package.
Return a version string of the current package or None if the version
information could not be detected.
Notes
-----
This method scans files named
__version__.py, <packagename>_version.py, version.py, and
__svn_version__.py for string variables version, __version__, and
<packagename>_version, until a version number is found.
"""
version = getattr(self, 'version', None)
if version is not None:
return version
# Get version from version file.
if version_file is None:
files = ['__version__.py',
self.name.split('.')[-1]+'_version.py',
'version.py',
'__svn_version__.py',
'__hg_version__.py']
else:
files = [version_file]
if version_variable is None:
version_vars = ['version',
'__version__',
self.name.split('.')[-1]+'_version']
else:
version_vars = [version_variable]
for f in files:
fn = njoin(self.local_path, f)
if os.path.isfile(fn):
info = ('.py', 'U', 1)
name = os.path.splitext(os.path.basename(fn))[0]
n = dot_join(self.name, name)
try:
version_module = exec_mod_from_location(
'_'.join(n.split('.')), fn)
except ImportError as e:
self.warn(str(e))
version_module = None
if version_module is None:
continue
for a in version_vars:
version = getattr(version_module, a, None)
if version is not None:
break
# Try if versioneer module
try:
version = version_module.get_versions()['version']
except AttributeError:
pass
if version is not None:
break
if version is not None:
self.version = version
return version
# Get version as SVN or Mercurial revision number
revision = self._get_svn_revision(self.local_path)
if revision is None:
revision = self._get_hg_revision(self.local_path)
if revision is not None:
version = str(revision)
self.version = version
return version
def make_svn_version_py(self, delete=True):
"""Appends a data function to the data_files list that will generate
__svn_version__.py file to the current package directory.
Generate package __svn_version__.py file from SVN revision number,
it will be removed after python exits but will be available
when sdist, etc commands are executed.
Notes
-----
If __svn_version__.py existed before, nothing is done.
This is
intended for working with source directories that are in an SVN
repository.
"""
target = njoin(self.local_path, '__svn_version__.py')
revision = self._get_svn_revision(self.local_path)
if os.path.isfile(target) or revision is None:
return
else:
def generate_svn_version_py():
if not os.path.isfile(target):
version = str(revision)
self.info('Creating %s (version=%r)' % (target, version))
with open(target, 'w') as f:
f.write('version = %r\n' % (version))
def rm_file(f=target,p=self.info):
if delete:
try: os.remove(f); p('removed '+f)
except OSError: pass
try: os.remove(f+'c'); p('removed '+f+'c')
except OSError: pass
atexit.register(rm_file)
return target
self.add_data_files(('', generate_svn_version_py()))
def make_hg_version_py(self, delete=True):
"""Appends a data function to the data_files list that will generate
__hg_version__.py file to the current package directory.
Generate package __hg_version__.py file from Mercurial revision,
it will be removed after python exits but will be available
when sdist, etc commands are executed.
Notes
-----
If __hg_version__.py existed before, nothing is done.
This is intended for working with source directories that are
in an Mercurial repository.
"""
target = njoin(self.local_path, '__hg_version__.py')
revision = self._get_hg_revision(self.local_path)
if os.path.isfile(target) or revision is None:
return
else:
def generate_hg_version_py():
if not os.path.isfile(target):
version = str(revision)
self.info('Creating %s (version=%r)' % (target, version))
with open(target, 'w') as f:
f.write('version = %r\n' % (version))
def rm_file(f=target,p=self.info):
if delete:
try: os.remove(f); p('removed '+f)
except OSError: pass
try: os.remove(f+'c'); p('removed '+f+'c')
except OSError: pass
atexit.register(rm_file)
return target
self.add_data_files(('', generate_hg_version_py()))
def make_config_py(self,name='__config__'):
"""Generate package __config__.py file containing system_info
information used during building the package.
This file is installed to the
package installation directory.
"""
self.py_modules.append((self.name, name, generate_config_py))
def get_info(self,*names):
"""Get resources information.
Return information (from system_info.get_info) for all of the names in
the argument list in a single dictionary.
"""
from .system_info import get_info, dict_append
info_dict = {}
for a in names:
dict_append(info_dict,**get_info(a))
return info_dict
def get_cmd(cmdname, _cache={}):
if cmdname not in _cache:
import distutils.core
dist = distutils.core._setup_distribution
if dist is None:
from distutils.errors import DistutilsInternalError
raise DistutilsInternalError(
'setup distribution instance not initialized')
cmd = dist.get_command_obj(cmdname)
_cache[cmdname] = cmd
return _cache[cmdname]
def get_numpy_include_dirs():
# numpy_include_dirs are set by numpy/core/setup.py, otherwise []
include_dirs = Configuration.numpy_include_dirs[:]
if not include_dirs:
import numpy
include_dirs = [ numpy.get_include() ]
# else running numpy/core/setup.py
return include_dirs
def get_npy_pkg_dir():
"""Return the path where to find the npy-pkg-config directory.
If the NPY_PKG_CONFIG_PATH environment variable is set, the value of that
is returned. Otherwise, a path inside the location of the numpy module is
returned.
The NPY_PKG_CONFIG_PATH can be useful when cross-compiling, maintaining
customized npy-pkg-config .ini files for the cross-compilation
environment, and using them when cross-compiling.
"""
d = os.environ.get('NPY_PKG_CONFIG_PATH')
if d is not None:
return d
spec = importlib.util.find_spec('numpy')
d = os.path.join(os.path.dirname(spec.origin),
'core', 'lib', 'npy-pkg-config')
return d
def get_pkg_info(pkgname, dirs=None):
"""
Return library info for the given package.
Parameters
----------
pkgname : str
Name of the package (should match the name of the .ini file, without
the extension, e.g. foo for the file foo.ini).
dirs : sequence, optional
If given, should be a sequence of additional directories where to look
for npy-pkg-config files. Those directories are searched prior to the
NumPy directory.
Returns
-------
pkginfo : class instance
The `LibraryInfo` instance containing the build information.
Raises
------
PkgNotFound
If the package is not found.
See Also
--------
Configuration.add_npy_pkg_config, Configuration.add_installed_library,
get_info
"""
from numpy.distutils.npy_pkg_config import read_config
if dirs:
dirs.append(get_npy_pkg_dir())
else:
dirs = [get_npy_pkg_dir()]
return read_config(pkgname, dirs)
def get_info(pkgname, dirs=None):
"""
Return an info dict for a given C library.
The info dict contains the necessary options to use the C library.
Parameters
----------
pkgname : str
Name of the package (should match the name of the .ini file, without
the extension, e.g. foo for the file foo.ini).
dirs : sequence, optional
If given, should be a sequence of additional directories where to look
for npy-pkg-config files. Those directories are searched prior to the
NumPy directory.
Returns
-------
info : dict
The dictionary with build information.
Raises
------
PkgNotFound
If the package is not found.
See Also
--------
Configuration.add_npy_pkg_config, Configuration.add_installed_library,
get_pkg_info
Examples
--------
To get the necessary information for the npymath library from NumPy:
>>> npymath_info = np.distutils.misc_util.get_info('npymath')
>>> npymath_info #doctest: +SKIP
{'define_macros': [], 'libraries': ['npymath'], 'library_dirs':
['.../numpy/core/lib'], 'include_dirs': ['.../numpy/core/include']}
This info dict can then be used as input to a `Configuration` instance::
config.add_extension('foo', sources=['foo.c'], extra_info=npymath_info)
"""
from numpy.distutils.npy_pkg_config import parse_flags
pkg_info = get_pkg_info(pkgname, dirs)
# Translate LibraryInfo instance into a build_info dict
info = parse_flags(pkg_info.cflags())
for k, v in parse_flags(pkg_info.libs()).items():
info[k].extend(v)
# add_extension extra_info argument is ANAL
info['define_macros'] = info['macros']
del info['macros']
del info['ignored']
return info
def is_bootstrapping():
import builtins
try:
builtins.__NUMPY_SETUP__
return True
except AttributeError:
return False
#########################
def default_config_dict(name = None, parent_name = None, local_path=None):
"""Return a configuration dictionary for usage in
configuration() function defined in file setup_<name>.py.
"""
import warnings
warnings.warn('Use Configuration(%r,%r,top_path=%r) instead of '\
'deprecated default_config_dict(%r,%r,%r)'
% (name, parent_name, local_path,
name, parent_name, local_path,
), stacklevel=2)
c = Configuration(name, parent_name, local_path)
return c.todict()
def dict_append(d, **kws):
for k, v in kws.items():
if k in d:
ov = d[k]
if isinstance(ov, str):
d[k] = v
else:
d[k].extend(v)
else:
d[k] = v
def appendpath(prefix, path):
if os.path.sep != '/':
prefix = prefix.replace('/', os.path.sep)
path = path.replace('/', os.path.sep)
drive = ''
if os.path.isabs(path):
drive = os.path.splitdrive(prefix)[0]
absprefix = os.path.splitdrive(os.path.abspath(prefix))[1]
pathdrive, path = os.path.splitdrive(path)
d = os.path.commonprefix([absprefix, path])
if os.path.join(absprefix[:len(d)], absprefix[len(d):]) != absprefix \
or os.path.join(path[:len(d)], path[len(d):]) != path:
# Handle invalid paths
d = os.path.dirname(d)
subpath = path[len(d):]
if os.path.isabs(subpath):
subpath = subpath[1:]
else:
subpath = path
return os.path.normpath(njoin(drive + prefix, subpath))
def generate_config_py(target):
"""Generate config.py file containing system_info information
used during building the package.
Usage:
config['py_modules'].append((packagename, '__config__',generate_config_py))
"""
from numpy.distutils.system_info import system_info
from distutils.dir_util import mkpath
mkpath(os.path.dirname(target))
with open(target, 'w') as f:
f.write('# This file is generated by numpy\'s %s\n' % (os.path.basename(sys.argv[0])))
f.write('# It contains system_info results at the time of building this package.\n')
f.write('__all__ = ["get_info","show"]\n\n')
# For gfortran+msvc combination, extra shared libraries may exist
f.write(textwrap.dedent("""
import os
import sys
extra_dll_dir = os.path.join(os.path.dirname(__file__), '.libs')
if sys.platform == 'win32' and os.path.isdir(extra_dll_dir):
os.add_dll_directory(extra_dll_dir)
"""))
for k, i in system_info.saved_results.items():
f.write('%s=%r\n' % (k, i))
f.write(textwrap.dedent(r'''
def get_info(name):
g = globals()
return g.get(name, g.get(name + "_info", {}))
def show():
"""
Show libraries in the system on which NumPy was built.
Print information about various resources (libraries, library
directories, include directories, etc.) in the system on which
NumPy was built.
See Also
--------
get_include : Returns the directory containing NumPy C
header files.
Notes
-----
1. Classes specifying the information to be printed are defined
in the `numpy.distutils.system_info` module.
Information may include:
* ``language``: language used to write the libraries (mostly
C or f77)
* ``libraries``: names of libraries found in the system
* ``library_dirs``: directories containing the libraries
* ``include_dirs``: directories containing library header files
* ``src_dirs``: directories containing library source files
* ``define_macros``: preprocessor macros used by
``distutils.setup``
* ``baseline``: minimum CPU features required
* ``found``: dispatched features supported in the system
* ``not found``: dispatched features that are not supported
in the system
2. NumPy BLAS/LAPACK Installation Notes
Installing a numpy wheel (``pip install numpy`` or force it
via ``pip install numpy --only-binary :numpy: numpy``) includes
an OpenBLAS implementation of the BLAS and LAPACK linear algebra
APIs. In this case, ``library_dirs`` reports the original build
time configuration as compiled with gcc/gfortran; at run time
the OpenBLAS library is in
``site-packages/numpy.libs/`` (linux), or
``site-packages/numpy/.dylibs/`` (macOS), or
``site-packages/numpy/.libs/`` (windows).
Installing numpy from source
(``pip install numpy --no-binary numpy``) searches for BLAS and
LAPACK dynamic link libraries at build time as influenced by
environment variables NPY_BLAS_LIBS, NPY_CBLAS_LIBS, and
NPY_LAPACK_LIBS; or NPY_BLAS_ORDER and NPY_LAPACK_ORDER;
or the optional file ``~/.numpy-site.cfg``.
NumPy remembers those locations and expects to load the same
libraries at run-time.
In NumPy 1.21+ on macOS, 'accelerate' (Apple's Accelerate BLAS
library) is in the default build-time search order after
'openblas'.
Examples
--------
>>> import numpy as np
>>> np.show_config()
blas_opt_info:
language = c
define_macros = [('HAVE_CBLAS', None)]
libraries = ['openblas', 'openblas']
library_dirs = ['/usr/local/lib']
"""
from numpy.core._multiarray_umath import (
__cpu_features__, __cpu_baseline__, __cpu_dispatch__
)
for name,info_dict in globals().items():
if name[0] == "_" or type(info_dict) is not type({}): continue
print(name + ":")
if not info_dict:
print(" NOT AVAILABLE")
for k,v in info_dict.items():
v = str(v)
if k == "sources" and len(v) > 200:
v = v[:60] + " ...\n... " + v[-60:]
print(" %s = %s" % (k,v))
features_found, features_not_found = [], []
for feature in __cpu_dispatch__:
if __cpu_features__[feature]:
features_found.append(feature)
else:
features_not_found.append(feature)
print("Supported SIMD extensions in this NumPy install:")
print(" baseline = %s" % (','.join(__cpu_baseline__)))
print(" found = %s" % (','.join(features_found)))
print(" not found = %s" % (','.join(features_not_found)))
'''))
return target
def msvc_version(compiler):
"""Return version major and minor of compiler instance if it is
MSVC, raise an exception otherwise."""
if not compiler.compiler_type == "msvc":
raise ValueError("Compiler instance is not msvc (%s)"\
% compiler.compiler_type)
return compiler._MSVCCompiler__version
def get_build_architecture():
# Importing distutils.msvccompiler triggers a warning on non-Windows
# systems, so delay the import to here.
from distutils.msvccompiler import get_build_architecture
return get_build_architecture()
_cxx_ignore_flags = {'-Werror=implicit-function-declaration', '-std=c99'}
def sanitize_cxx_flags(cxxflags):
'''
Some flags are valid for C but not C++. Prune them.
'''
return [flag for flag in cxxflags if flag not in _cxx_ignore_flags]
def exec_mod_from_location(modname, modfile):
'''
Use importlib machinery to import a module `modname` from the file
`modfile`. Depending on the `spec.loader`, the module may not be
registered in sys.modules.
'''
spec = importlib.util.spec_from_file_location(modname, modfile)
foo = importlib.util.module_from_spec(spec)
spec.loader.exec_module(foo)
return foo