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setup.py
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setup.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Setup script for GDAL Python bindings.
# Inspired by psycopg2 setup.py file
# http://www.initd.org/tracker/psycopg/browser/psycopg2/trunk/setup.py
# Howard Butler hobu.inc@gmail.com
gdal_version = '3.4.3'
import sys
import os
from glob import glob
from setuptools.command.build_ext import build_ext
from setuptools import setup
from setuptools import find_packages
from setuptools import Extension
# If CXX is defined in the environment, it will be used to link the .so
# but distutils will be confused if it is made of several words like 'ccache g++'
# and it will try to use only the first word.
# See https://lists.osgeo.org/pipermail/gdal-dev/2016-July/044686.html
# Note: in general when doing "make", CXX will not be defined, unless it is defined as
# an environment variable, but in that case it is the value of GDALmake.opt that
# will be set, not the one from the environment that started "make" !
# If no CXX environment variable is defined, then the value of the CXX variable
# in GDALmake.opt will not be set as an environment variable
if 'CXX' in os.environ and os.environ['CXX'].strip().find(' ') >= 0:
if os.environ['CXX'].strip().startswith('ccache ') and os.environ['CXX'].strip()[len('ccache '):].find(' ') < 0:
os.environ['CXX'] = os.environ['CXX'].strip()[len('ccache '):]
else:
print('WARNING: "CXX=%s" was defined in the environment and contains more than one word. Unsetting it since that is incompatible of distutils' % os.environ['CXX'])
del os.environ['CXX']
if 'CC' in os.environ and os.environ['CC'].strip().find(' ') >= 0:
if os.environ['CC'].strip().startswith('ccache ') and os.environ['CC'].strip()[len('ccache '):].find(' ') < 0:
os.environ['CC'] = os.environ['CC'].strip()[len('ccache '):]
else:
print('WARNING: "CC=%s" was defined in the environment and contains more than one word. Unsetting it since that is incompatible of distutils' % os.environ['CC'])
del os.environ['CC']
# ---------------------------------------------------------------------------
# Switches
# ---------------------------------------------------------------------------
HAVE_NUMPY = False
BUILD_FOR_CHEESESHOP = False
GNM_ENABLED = True
# ---------------------------------------------------------------------------
# Default build options
# (may be overridden with setup.cfg or command line switches).
# ---------------------------------------------------------------------------
include_dirs = ['../../port', '../../gcore', '../../alg', '../../ogr/', '../../ogr/ogrsf_frmts', '../../gnm', '../../apps']
library_dirs = ['../../.libs', '../../']
libraries = ['gdal']
# ---------------------------------------------------------------------------
# Helper Functions
# ---------------------------------------------------------------------------
# Function to find numpy's include directory
def get_numpy_include():
if HAVE_NUMPY:
return numpy.get_include()
return '.'
# ---------------------------------------------------------------------------
# Imports
# ---------------------------------------------------------------------------
try:
import numpy
HAVE_NUMPY = True
# check version
numpy_major = numpy.__version__.split('.')[0]
if int(numpy_major) < 1:
print("numpy version must be > 1.0.0")
HAVE_NUMPY = False
else:
# print ('numpy include', get_numpy_include())
if get_numpy_include() == '.':
print("WARNING: numpy headers were not found! Array support will not be enabled")
HAVE_NUMPY = False
except ImportError:
print('WARNING: numpy not available! Array support will not be enabled')
pass
class gdal_config_error(Exception):
pass
def fetch_config(option, gdal_config='gdal-config'):
command = gdal_config + " --%s" % option
import subprocess
command, args = command.split()[0], command.split()[1]
try:
p = subprocess.Popen([command, args], stdout=subprocess.PIPE)
except OSError:
e = sys.exc_info()[1]
raise gdal_config_error(e)
r = p.stdout.readline().decode('ascii').strip()
p.stdout.close()
p.wait()
return r
def supports_cxx11(compiler, compiler_flag=None):
ret = False
with open('gdal_python_cxx11_test.cpp', 'wt') as f:
f.write("""
#if __cplusplus < 201103L
#error "C++11 required"
#endif
int main () { return 0; }""")
f.close()
extra_postargs = None
if compiler_flag:
extra_postargs = [compiler_flag]
if os.name == 'posix':
# Redirect stderr to /dev/null to hide any error messages
# from the compiler.
devnull = open(os.devnull, 'w')
oldstderr = os.dup(sys.stderr.fileno())
os.dup2(devnull.fileno(), sys.stderr.fileno())
try:
compiler.compile([f.name], extra_postargs=extra_postargs)
ret = True
except Exception:
pass
os.dup2(oldstderr, sys.stderr.fileno())
devnull.close()
else:
try:
compiler.compile([f.name], extra_postargs=extra_postargs)
ret = True
except Exception:
pass
os.unlink('gdal_python_cxx11_test.cpp')
if os.path.exists('gdal_python_cxx11_test.o'):
os.unlink('gdal_python_cxx11_test.o')
return ret
###Based on: https://stackoverflow.com/questions/28641408/how-to-tell-which-compiler-will-be-invoked-for-a-python-c-extension-in-setuptool
def has_flag(compiler, flagname):
import tempfile
from distutils.errors import CompileError
with tempfile.NamedTemporaryFile('w', suffix='.cpp') as f:
f.write('int main (int argc, char **argv) { return 0; }')
try:
compiler.compile([f.name], extra_postargs=[flagname])
except CompileError:
return False
return True
class gdal_ext(build_ext):
GDAL_CONFIG = 'gdal-config'
user_options = build_ext.user_options[:]
user_options.extend([
('gdal-config=', None,
"The name of the gdal-config binary and/or a full path to it"),
])
def initialize_options(self):
build_ext.initialize_options(self)
self.numpy_include_dir = get_numpy_include()
self.gdaldir = None
self.gdal_config = self.GDAL_CONFIG
self.extra_cflags = []
self.parallel = True # Python 3.5 only
def get_compiler(self):
return self.compiler or ('msvc' if os.name == 'nt' else 'unix')
def get_gdal_config(self, option):
try:
return fetch_config(option, gdal_config=self.gdal_config)
except gdal_config_error:
# If an error is thrown, it is possibly because
# the gdal-config location given in setup.cfg is
# incorrect, or possibly the default -- ../../apps/gdal-config
# We'll try to use the gdal-config that might be on the path.
try:
return fetch_config(option)
except gdal_config_error:
msg = 'Could not find gdal-config. Make sure you have installed the GDAL native library and development headers.'
import sys
import traceback
traceback_string = ''.join(traceback.format_exception(*sys.exc_info()))
raise gdal_config_error(traceback_string + '\n' + msg)
def build_extensions(self):
# Add a -std=c++11 or similar flag if needed
ct = self.compiler.compiler_type
if ct == 'unix' and not supports_cxx11(self.compiler):
cxx11_flag = None
if supports_cxx11(self.compiler, '-std=c++11'):
cxx11_flag = '-std=c++11'
if cxx11_flag:
for ext in self.extensions:
# gdalconst builds as a .c file
if ext.name != 'osgeo._gdalconst':
ext.extra_compile_args += [cxx11_flag]
# Adding arch flags here if OS X and compiler is clang
if sys.platform == 'darwin' and [int(x) for x in os.uname()[2].split('.')] >= [11, 0, 0]:
# since MacOS X 10.9, clang no longer accepts -mno-fused-madd
# extra_compile_args.append('-Qunused-arguments')
clang_flag = '-Wno-error=unused-command-line-argument-hard-error-in-future'
if has_flag(self.compiler, clang_flag):
ext.extra_compile_args += [clang_flag]
else:
clang_flag = '-Wno-error=unused-command-line-argument'
if has_flag(self.compiler, clang_flag):
ext.extra_compile_args += [clang_flag]
build_ext.build_extensions(self)
def finalize_options(self):
global include_dirs, library_dirs
if self.include_dirs is None:
self.include_dirs = include_dirs
# Needed on recent MacOSX
elif isinstance(self.include_dirs, str) and sys.platform == 'darwin':
self.include_dirs += ':' + ':'.join(include_dirs)
if self.library_dirs is None:
self.library_dirs = library_dirs
# Needed on recent MacOSX
elif isinstance(self.library_dirs, str) and sys.platform == 'darwin':
self.library_dirs += ':' + ':'.join(library_dirs)
if self.libraries is None:
if self.get_compiler() == 'msvc':
libraries.remove('gdal')
libraries.append('gdal_i')
self.libraries = libraries
build_ext.finalize_options(self)
self.include_dirs.append(self.numpy_include_dir)
if self.get_compiler() == 'msvc':
return True
self.gdaldir = self.get_gdal_config('prefix')
self.library_dirs.append(os.path.join(self.gdaldir, 'lib'))
self.include_dirs.append(os.path.join(self.gdaldir, 'include'))
cflags = self.get_gdal_config('cflags')
if cflags:
self.extra_cflags = cflags.split()
def build_extension(self, ext):
# We override this instead of setting extra_compile_args directly on
# the Extension() instantiations below because we want to use the same
# logic to resolve the location of gdal-config throughout.
ext.extra_compile_args.extend(self.extra_cflags)
return build_ext.build_extension(self, ext)
extra_link_args = []
extra_compile_args = []
gdal_module = Extension('osgeo._gdal',
sources=['extensions/gdal_wrap.cpp'],
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args)
gdalconst_module = Extension('osgeo._gdalconst',
sources=['extensions/gdalconst_wrap.c'],
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args)
osr_module = Extension('osgeo._osr',
sources=['extensions/osr_wrap.cpp'],
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args)
ogr_module = Extension('osgeo._ogr',
sources=['extensions/ogr_wrap.cpp'],
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args)
array_module = Extension('osgeo._gdal_array',
sources=['extensions/gdal_array_wrap.cpp'],
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args)
gnm_module = Extension('osgeo._gnm',
sources=['extensions/gnm_wrap.cpp'],
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args)
ext_modules = [gdal_module,
gdalconst_module,
osr_module,
ogr_module]
if os.path.exists('setup_vars.ini'):
with open('setup_vars.ini') as f:
lines = f.readlines()
if 'GNM_ENABLED=no' in lines or 'GNM_ENABLED=no\n' in lines:
GNM_ENABLED = False
if GNM_ENABLED:
ext_modules.append(gnm_module)
if HAVE_NUMPY:
ext_modules.append(array_module)
utils_package_root = 'gdal-utils' # path for gdal-utils sources
packages = find_packages(utils_package_root)
packages = ['osgeo'] + packages
package_dir = {'osgeo': 'osgeo', '': utils_package_root}
readme = open('README.rst', encoding="utf-8").read()
name = 'GDAL'
version = gdal_version
author = "Frank Warmerdam"
author_email = "warmerdam@pobox.com"
maintainer = "Howard Butler"
maintainer_email = "hobu.inc@gmail.com"
description = "GDAL: Geospatial Data Abstraction Library"
license_type = "MIT"
url = "http://www.gdal.org"
classifiers = [
'Development Status :: 5 - Production/Stable',
'Intended Audience :: Developers',
'Intended Audience :: Science/Research',
'License :: OSI Approved :: MIT License',
'Operating System :: OS Independent',
'Programming Language :: Python :: 3',
'Programming Language :: C',
'Programming Language :: C++',
'Topic :: Scientific/Engineering :: GIS',
'Topic :: Scientific/Engineering :: Information Analysis',
]
if BUILD_FOR_CHEESESHOP:
data_files = [("osgeo/data/gdal", glob(os.path.join("../../data", "*")))]
else:
data_files = None
exclude_package_data = {'': ['GNUmakefile']}
setup_kwargs = dict(
name=name,
version=gdal_version,
author=author,
author_email=author_email,
maintainer=maintainer,
maintainer_email=maintainer_email,
long_description=readme,
long_description_content_type='text/x-rst',
description=description,
license=license_type,
classifiers=classifiers,
packages=packages,
package_dir=package_dir,
url=url,
python_requires='>=3.6.0',
data_files=data_files,
ext_modules=ext_modules,
scripts=glob(utils_package_root + '/scripts/*.py'),
cmdclass={'build_ext': gdal_ext},
extras_require={'numpy': ['numpy > 1.0.0']},
zip_safe=False,
exclude_package_data=exclude_package_data
)
setup(**setup_kwargs)