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setup.py
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import setuptools
from distutils.core import setup, Extension
import os, glob, sys
from os import environ
if sys.version_info[0] < 3:
import ConfigParser as configparser
else:
import configparser
class _ConfigParser(configparser.ConfigParser):
def getq(self, s, k, fallback):
try:
return self.get(s, k)
except:
return fallback
# build time dependancy
try:
from Cython.Distutils import build_ext
g2clib_pyx = 'g2clib.pyx'
except ImportError:
from distutils.command.build_ext import build_ext
g2clib_pyx = 'g2clib.c'
class NumpyBuildExtCommand(build_ext):
"""
build_ext command for use when numpy headers are needed.
from https://stackoverflow.com/questions/2379898/
and https://stackoverflow.com/questions/48283503/
"""
def run(self):
self.distribution.fetch_build_eggs(['numpy'])
import numpy
self.include_dirs.append(numpy.get_include())
build_ext.run(self)
cmdclass = {'build_ext': NumpyBuildExtCommand}
setup_cfg = environ.get('SETUPCFG', 'setup.cfg')
config = _ConfigParser()
# contents of setup.cfg will override env vars.
if os.path.exists(setup_cfg):
sys.stdout.write('reading from setup.cfg...')
config.read(setup_cfg)
jasper_dir = config.getq(
"directories", "jasper_dir", environ.get('JASPER_DIR'))
jasper_libdir = config.getq(
"directories", "jasper_libdir", environ.get('JASPER_LIBDIR'))
jasper_incdir = config.getq(
"directories", "jasper_incdir", environ.get('JASPER_INCDIR'))
png_dir = config.getq(
"directories", "png_dir", environ.get('PNG_DIR'))
png_libdir = config.getq(
"directories", "png_libdir", environ.get('PNG_LIBDIR'))
png_incdir = config.getq(
"directories", "png_incdir", environ.get('PNG_INCDIR'))
openjpeg_dir = config.getq(
"directories", "openjpeg_dir", environ.get('OPENJPEG_DIR'))
openjpeg_libdir = config.getq(
"directories", "openjpeg_libdir", environ.get('OPENJPEG_LIBDIR'))
openjpeg_incdir = config.getq(
"directories", "openjpeg_incdir", environ.get('OPENJPEG_INCDIR'))
zlib_dir = config.getq(
"directories", "zlib_dir", environ.get('ZLIB_DIR'))
zlib_libdir = config.getq(
"directories", "zlib_libdir", environ.get('ZLIB_LIBDIR'))
zlib_incdir = config.getq(
"directories", "zlib_incdir", environ.get('ZLIB_INCDIR'))
libraries=[]
libdirs=[]
incdirs=[]
if jasper_dir is not None or jasper_libdir is not None:
libraries.append("jasper")
if jasper_libdir is None and jasper_dir is not None:
libdirs.append(os.path.join(jasper_dir,'lib'))
libdirs.append(os.path.join(jasper_dir,'lib64'))
if jasper_incdir is None and jasper_dir is not None:
incdirs.append(os.path.join(jasper_dir,'include'))
incdirs.append(os.path.join(jasper_dir,'include/jasper'))
if openjpeg_dir is not None or openjpeg_libdir is not None:
libraries.append("openjpeg")
if openjpeg_libdir is None and openjpeg_dir is not None:
libdirs.append(os.path.join(openjpeg_dir,'lib'))
libdirs.append(os.path.join(openjpeg_dir,'lib64'))
if openjpeg_incdir is None and openjpeg_dir is not None:
incdirs.append(os.path.join(openjpeg_dir,'include'))
if png_dir is not None or png_libdir is not None:
libraries.append("png")
if png_libdir is None and png_dir is not None:
libdirs.append(os.path.join(png_dir,'lib'))
libdirs.append(os.path.join(png_dir,'lib64'))
if png_incdir is None and png_dir is not None:
incdirs.append(os.path.join(png_dir,'include'))
if zlib_dir is not None or zlib_libdir is not None:
libraries.append("z")
if zlib_libdir is None and zlib_dir is not None:
libdirs.append(os.path.join(zlib_dir,'lib'))
libdirs.append(os.path.join(zlib_dir,'lib64'))
if zlib_incdir is None and zlib_dir is not None:
incdirs.append(os.path.join(zlib_dir,'include'))
g2clib_deps = glob.glob('g2clib_src/*.c')
g2clib_deps.append(g2clib_pyx)
incdirs.append("g2clib_src")
macros=[]
# if jasper or openjpeg lib not available...
if 'jasper' not in libraries and 'openjpeg' not in libraries:
g2clib_deps.remove(os.path.join('g2clib_src', 'jpcpack.c'))
g2clib_deps.remove(os.path.join('g2clib_src', 'jpcunpack.c'))
else:
macros.append(('USE_JPEG2000',1))
# if png lib not available...
if 'png' not in libraries:
g2clib_deps.remove(os.path.join('g2clib_src', 'pngpack.c'))
g2clib_deps.remove(os.path.join('g2clib_src', 'pngunpack.c'))
else:
macros.append(('USE_PNG',1))
if hasattr(sys,'maxsize'):
if sys.maxsize > 2**31-1: macros.append(('__64BIT__',1))
else:
if sys.maxint > 2**31-1: macros.append(('__64BIT__',1))
runtime_libdirs = libdirs if os.name != "nt" else None
g2clibext = Extension("g2clib",g2clib_deps,include_dirs=incdirs,\
library_dirs=libdirs,libraries=libraries,runtime_library_dirs=runtime_libdirs,
define_macros=macros)
install_requires = ["numpy"]
# pyproj is a runtime dependency
try:
import pyproj
except ImportError:
try:
from mpl_toolkits.basemap import pyproj
except:
install_requires.append("pyproj")
setup(name = "ncepgrib2",
version = "2.1",
description = "Python interface to NCEP grib2 library",
author = "Jeff Whitaker",
author_email = "[email protected]",
url = "https://github.com/jswhit/ncepgrib2",
download_url = "http://github.com/jswhit/ncepgrib2",
classifiers = ["Development Status :: 4 - Beta",
"Programming Language :: Python :: 2.7",
"Programming Language :: Python :: 3.5",
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Intended Audience :: Science/Research",
"License :: OSI Approved",
"Topic :: Software Development :: Libraries :: Python Modules"],
cmdclass = cmdclass,
ext_modules = [g2clibext],
py_modules = ["ncepgrib2"],
long_description = "python interface to NCEP grib2 library",
install_requires = ["numpy"])