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import distutils
from distutils.core import setup, Extension, Command
from distutils.command.build_ext import build_ext
import os
from subprocess import Popen
import sys
import numpy
import glob
import shutil
import platform
class build_ext_subclass(build_ext):
boolean_options = build_ext.boolean_options + ['use-system-fitsio']
user_options = build_ext.user_options + \
[('use-system-fitsio', None,
"Use the cfitsio installed in the system"),
('system-fitsio-includedir=', None,
"Path to look for cfitsio header; default is the system search path."),
('system-fitsio-libdir=', None,
"Path to look for cfitsio library; default is the system search path."),
]
#cfitsio_version = '3280patch'
cfitsio_version = '3370patch'
cfitsio_dir = 'cfitsio%s' % cfitsio_version
def initialize_options(self):
self.use_system_fitsio = True
self.system_fitsio_includedir = None
self.system_fitsio_libdir = None
build_ext.initialize_options(self)
def finalize_options(self):
build_ext.finalize_options(self)
self.cfitsio_build_dir = os.path.join(self.build_temp, self.cfitsio_dir)
self.cfitsio_zlib_dir = os.path.join(self.cfitsio_build_dir,'zlib')
if self.use_system_fitsio:
if self.system_fitsio_includedir:
self.include_dirs.insert(0, self.system_fitsio_includedir)
if self.system_fitsio_libdir:
self.library_dirs.insert(0, self.system_fitsio_libdir)
else:
# We defer configuration of the bundled cfitsio to build_extensions
# because we will know the compiler there.
self.include_dirs.insert(0, self.cfitsio_build_dir)
def build_extensions(self):
if not self.use_system_fitsio:
# Use the compiler for building python to build cfitsio
# for maximized compatibility.
# there is some issue with non-aligned data with optimizations
# set to '-O3' on some versions of gcc. It appears to be
# a disagreement between gcc 4 and gcc 5
CCold=self.compiler.compiler
CC=[]
for val in CCold:
if val=='-O3':
print("replacing '-O3' with '-O2' to address "
"gcc bug")
val='-O2'
CC.append(val)
self.configure_cfitsio(
CC=CC,
ARCHIVE=self.compiler.archiver,
RANLIB=self.compiler.ranlib,
)
# If configure detected bzlib.h, we have to link to libbz2
if '-DHAVE_BZIP2=1' in open(os.path.join(self.cfitsio_build_dir, 'Makefile')).read():
self.compiler.add_library('bz2')
self.compile_cfitsio()
# link against the .a library in cfitsio;
# It should have been a 'static' library of relocatable objects (-fPIC),
# since we use the python compiler flags
link_objects = glob.glob(os.path.join(self.cfitsio_build_dir,'*.a'))
self.compiler.set_link_objects(link_objects)
# Ultimate hack: append the .a files to the dependency list
# so they will be properly rebuild if cfitsio source is updated.
for ext in self.extensions:
ext.depends += link_objects
else:
# Include bz2 by default? Depends on how system cfitsio was built.
# FIXME: use pkg-config to tell if bz2 shall be included ?
self.compiler.add_library('cfitsio')
pass
# call the original build_extensions
build_ext.build_extensions(self)
def configure_cfitsio(self, CC=None, ARCHIVE=None, RANLIB=None):
# prepare source code and run configure
def copy_update(dir1,dir2):
f1 = os.listdir(dir1)
for f in f1:
path1 = os.path.join(dir1,f)
path2 = os.path.join(dir2,f)
if os.path.isdir(path1):
if not os.path.exists(path2):
os.makedirs(path2)
copy_update(path1,path2)
else:
if not os.path.exists(path2):
shutil.copy(path1,path2)
else:
stat1 = os.stat(path1)
stat2 = os.stat(path2)
if (stat1.st_mtime > stat2.st_mtime):
shutil.copy(path1,path2)
if not os.path.exists('build'):
ret=os.makedirs('build')
if not os.path.exists(self.cfitsio_build_dir):
ret=os.makedirs(self.cfitsio_build_dir)
copy_update(self.cfitsio_dir, self.cfitsio_build_dir)
makefile = os.path.join(self.cfitsio_build_dir, 'Makefile')
if os.path.exists(makefile):
# Makefile already there
return
args = ''
args += ' CC="%s"' % ' '.join(CC[:1])
args += ' CFLAGS="%s"' % ' '.join(CC[1:])
if ARCHIVE:
args += ' ARCHIVE="%s"' % ' '.join(ARCHIVE)
if RANLIB:
args += ' RANLIB="%s"' % ' '.join(RANLIB)
p = Popen("sh ./configure --with-bzip2 " + args,
shell=True, cwd=self.cfitsio_build_dir)
p.wait()
if p.returncode != 0:
raise ValueError("could not configure cfitsio %s" % self.cfitsio_version)
def compile_cfitsio(self):
p = Popen("make",
shell=True, cwd=self.cfitsio_build_dir)
p.wait()
if p.returncode != 0:
raise ValueError("could not compile cfitsio %s" % self.cfitsio_version)
include_dirs=[numpy.get_include()]
sources = ["fitsio/fitsio_pywrap.c"]
data_files=[]
ext=Extension("fitsio._fitsio_wrap",
sources, include_dirs=include_dirs)
description = ("A full featured python library to read from and "
"write to FITS files.")
long_description=open(os.path.join(os.path.dirname(__file__), "README.md")).read()
classifiers = ["Development Status :: 5 - Production/Stable"
,"License :: OSI Approved :: GNU General Public License (GPL)"
,"Topic :: Scientific/Engineering :: Astronomy"
,"Intended Audience :: Science/Research"
]
setup(name="fitsio",
version="0.9.10",
description=description,
long_description=long_description,
license = "GPL",
classifiers=classifiers,
url="https://github.com/esheldon/fitsio",
author="Erin Scott Sheldon",
author_email="erin.sheldon@gmail.com",
install_requires=['numpy'],
packages=['fitsio'],
data_files=data_files,
ext_modules=[ext],
cmdclass = {
"build_ext": build_ext_subclass,
}
)
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