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# Fiona build script.
import logging
import os
import shutil
import subprocess
import sys
from setuptools import setup
from setuptools.extension import Extension
# Ensure minimum version of Python is running
if sys.version_info[0:2] < (3, 6):
raise RuntimeError('Fiona requires Python>=3.6')
# Use Cython if available.
try:
from Cython.Build import cythonize
except ImportError:
cythonize = None
def check_output(cmd):
return subprocess.check_output(cmd).decode('utf')
def copy_data_tree(datadir, destdir):
try:
shutil.rmtree(destdir)
except OSError:
pass
shutil.copytree(datadir, destdir)
# Building Fiona requires options that can be obtained from GDAL's gdal-config
# program or can be specified using setup arguments. The latter override the
# former.
#
# A GDAL API version is strictly required. Without this the setup script
# cannot know whether to use the GDAL version 1 or 2 source files. The GDAL
# API version can be specified in 2 ways.
#
# 1. By the gdal-config program, optionally pointed to by GDAL_CONFIG
# 2. By a GDAL_VERSION environment variable. This overrides number 1.
include_dirs = []
library_dirs = []
libraries = []
extra_link_args = []
gdal_output = [None for i in range(4)]
gdalversion = None
language = None
gdal_major_version = 0
gdal_minor_version = 0
if 'clean' not in sys.argv:
try:
gdal_config = os.environ.get('GDAL_CONFIG', 'gdal-config')
for i, flag in enumerate(
["--cflags", "--libs", "--datadir", "--version"]):
gdal_output[i] = check_output([gdal_config, flag]).strip()
for item in gdal_output[0].split():
if item.startswith("-I"):
include_dirs.extend(item[2:].split(":"))
for item in gdal_output[1].split():
if item.startswith("-L"):
library_dirs.extend(item[2:].split(":"))
elif item.startswith("-l"):
libraries.append(item[2:])
else:
# e.g. -framework GDAL
extra_link_args.append(item)
gdalversion = gdal_output[3]
if gdalversion:
logging.info("GDAL API version obtained from gdal-config: %s",
gdalversion)
except Exception as e:
if os.name == "nt":
logging.info("Building on Windows requires extra options to"
" setup.py to locate needed GDAL files.\nMore"
" information is available in the README.")
else:
logging.warning("Failed to get options via gdal-config: %s", str(e))
# Get GDAL API version from environment variable.
if 'GDAL_VERSION' in os.environ:
gdalversion = os.environ['GDAL_VERSION']
logging.info("GDAL API version obtained from environment: %s",
gdalversion)
# Get GDAL API version from the command line if specified there.
if '--gdalversion' in sys.argv:
index = sys.argv.index('--gdalversion')
sys.argv.pop(index)
gdalversion = sys.argv.pop(index)
logging.info("GDAL API version obtained from command line option: %s",
gdalversion)
if not gdalversion:
logging.fatal("A GDAL API version must be specified. Provide a path "
"to gdal-config using a GDAL_CONFIG environment "
"variable or use a GDAL_VERSION environment variable.")
sys.exit(1)
if os.environ.get('PACKAGE_DATA'):
destdir = 'fiona/gdal_data'
if gdal_output[2]:
logging.info(f"Copying gdal data from {gdal_output[2]}")
copy_data_tree(gdal_output[2], destdir)
else:
# check to see if GDAL_DATA is defined
gdal_data = os.environ.get('GDAL_DATA', None)
if gdal_data:
logging.info(f"Copying gdal data from {gdal_data}")
copy_data_tree(gdal_data, destdir)
# Conditionally copy PROJ DATA.
projdatadir = os.environ.get('PROJ_DATA', os.environ.get('PROJ_LIB', '/usr/local/share/proj'))
if os.path.exists(projdatadir):
logging.info(f"Copying proj data from {projdatadir}")
copy_data_tree(projdatadir, 'fiona/proj_data')
if "--cython-language" in sys.argv:
index = sys.argv.index("--cython-language")
sys.argv.pop(index)
language = sys.argv.pop(index).lower()
gdal_version_parts = gdalversion.split('.')
gdal_major_version = int(gdal_version_parts[0])
gdal_minor_version = int(gdal_version_parts[1])
if (gdal_major_version, gdal_minor_version) < (3, 1):
raise SystemExit(
"ERROR: GDAL >= 3.1 is required for fiona. "
"Please upgrade GDAL."
)
logging.info("GDAL version major=%r minor=%r", gdal_major_version,
gdal_minor_version)
compile_time_env = {
"CTE_GDAL_MAJOR_VERSION": gdal_major_version,
"CTE_GDAL_MINOR_VERSION": gdal_minor_version,
}
ext_options = dict(
include_dirs=include_dirs,
library_dirs=library_dirs,
libraries=libraries,
extra_link_args=extra_link_args,
cython_compile_time_env=compile_time_env,
)
# Enable coverage for cython pyx files.
if os.environ.get('CYTHON_COVERAGE'):
from Cython.Compiler.Options import get_directive_defaults
directive_defaults = get_directive_defaults()
directive_defaults['linetrace'] = True
directive_defaults['binding'] = True
ext_options.update(dict(
define_macros=[("CYTHON_TRACE_NOGIL", "1")]))
# GDAL 2.3+ requires C++11
if language == "c++":
ext_options["language"] = "c++"
if sys.platform != "win32":
ext_options["extra_compile_args"] = ["-std=c++11"]
ext_options_cpp = ext_options.copy()
if sys.platform != "win32":
ext_options_cpp["extra_compile_args"] = ["-std=c++11"]
# Define the extension modules.
ext_modules = []
if "clean" not in sys.argv:
# When building from a repo, Cython is required.
logging.info("MANIFEST.in found, presume a repo, cythonizing...")
if not cythonize:
raise SystemExit(
"Cython.Build.cythonize not found. "
"Cython is required to build fiona."
)
ext_modules = cythonize(
[
Extension("fiona._geometry", ["fiona/_geometry.pyx"], **ext_options),
Extension("fiona._vsiopener", ["fiona/_vsiopener.pyx"], **ext_options),
Extension("fiona.schema", ["fiona/schema.pyx"], **ext_options),
Extension("fiona._transform", ["fiona/_transform.pyx"], **ext_options_cpp),
Extension("fiona.crs", ["fiona/crs.pyx"], **ext_options),
Extension("fiona._env", ["fiona/_env.pyx"], **ext_options),
Extension("fiona._err", ["fiona/_err.pyx"], **ext_options),
Extension("fiona.ogrext", ["fiona/ogrext.pyx"], **ext_options),
],
compiler_directives={"language_level": "3"},
compile_time_env=compile_time_env,
)
# Include these files for binary wheels
fiona_package_data = ['gdal.pxi', '*.pxd']
if os.environ.get('PACKAGE_DATA'):
fiona_package_data.extend([
'gdal_data/*',
'proj_data/*',
'.libs/*',
'.libs/licenses/*',
])
# See pyproject.toml for project metadata
setup(
name="Fiona", # need by GitHub dependency graph
package_data={"fiona": fiona_package_data},
ext_modules=ext_modules,
)
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