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import logging
import os
from pathlib import Path
import platform
import shutil
import subprocess
import sys
from setuptools import Extension, setup, find_packages
import versioneer
# import Cython if available
try:
from Cython.Build import cythonize
from Cython.Distutils import build_ext
except ImportError:
cythonize = None
logger = logging.getLogger(__name__)
MIN_PYTHON_VERSION = (3, 10, 0)
MIN_GDAL_VERSION = (2, 4, 0)
if sys.version_info < MIN_PYTHON_VERSION:
raise RuntimeError("Python >= 3.10 is required")
def copy_data_tree(datadir, destdir):
if os.path.exists(destdir):
shutil.rmtree(destdir)
shutil.copytree(datadir, destdir)
# Get GDAL config from gdal-config command
def read_response(cmd):
return subprocess.check_output(cmd).decode("utf").strip()
def get_gdal_config():
"""
Obtain the paths and version for compiling and linking with the GDAL C-API.
GDAL_INCLUDE_PATH, GDAL_LIBRARY_PATH, and GDAL_VERSION environment variables
are used if all are present.
If those variables are not present, gdal-config is called (it should be
on the PATH variable). gdal-config provides all the paths and version.
If no environment variables were specified or gdal-config was not found,
no additional paths are provided to the extension. It is still possible
to compile in this case using custom arguments to setup.py.
"""
include_dir = os.environ.get("GDAL_INCLUDE_PATH")
library_dir = os.environ.get("GDAL_LIBRARY_PATH")
gdal_version_str = os.environ.get("GDAL_VERSION")
if include_dir and library_dir and gdal_version_str:
gdal_libs = ["gdal"]
if platform.system() == "Windows":
# NOTE: if libgdal is built for Windows using CMake, it is now "gdal",
# but older Windows builds still use "gdal_i"
if (Path(library_dir) / "gdal_i.lib").exists():
gdal_libs = ["gdal_i"]
return {
"include_dirs": [include_dir],
"library_dirs": [library_dir],
"libraries": gdal_libs,
}, gdal_version_str
if include_dir or library_dir or gdal_version_str:
logger.warning(
"If specifying the GDAL_INCLUDE_PATH, GDAL_LIBRARY_PATH, or GDAL_VERSION "
"environment variables, you need to specify all of them."
)
try:
# Get libraries, etc from gdal-config (not available on Windows)
flags = ["cflags", "libs", "version"]
gdal_config = os.environ.get("GDAL_CONFIG", "gdal-config")
config = {flag: read_response([gdal_config, f"--{flag}"]) for flag in flags}
gdal_version_str = config["version"]
include_dirs = [entry[2:] for entry in config["cflags"].split(" ")]
library_dirs = []
libraries = []
extra_link_args = []
for entry in config["libs"].split(" "):
if entry.startswith("-L"):
library_dirs.append(entry[2:])
elif entry.startswith("-l"):
libraries.append(entry[2:])
else:
extra_link_args.append(entry)
return {
"include_dirs": include_dirs,
"library_dirs": library_dirs,
"libraries": libraries,
"extra_link_args": extra_link_args,
}, gdal_version_str
except Exception as e:
if platform.system() == "Windows":
# 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)
gdal_version_str = sys.argv.pop(index)
else:
print(
"GDAL_VERSION must be provided as an environment variable "
"or as --gdalversion command line argument"
)
sys.exit(1)
logger.info(
"Building on Windows requires extra options to setup.py to locate "
"GDAL files. See the installation documentation."
)
return {}, gdal_version_str
else:
raise e
ext_modules = []
package_data = {}
# setuptools clean does not cleanup Cython artifacts
if "clean" in sys.argv:
for directory in ["build", "pyogrio/gdal_data", "pyogrio/proj_data"]:
if os.path.exists(directory):
shutil.rmtree(directory)
root = Path(".")
for ext in ["*.so", "*.pyc", "*.c", "*.cpp"]:
for entry in root.rglob(ext):
entry.unlink()
elif "sdist" in sys.argv or "egg_info" in sys.argv:
# don't cythonize for the sdist
pass
else:
if cythonize is None:
raise ImportError("Cython is required to build from source")
ext_options, gdal_version_str = get_gdal_config()
gdal_version = tuple(int(i) for i in gdal_version_str.strip("dev").split("."))
if not gdal_version >= MIN_GDAL_VERSION:
sys.exit(f"GDAL must be >= {'.'.join(map(str, MIN_GDAL_VERSION))}")
compile_time_env = {
"CTE_GDAL_VERSION": gdal_version,
}
ext_modules = cythonize(
[
Extension("pyogrio._err", ["pyogrio/_err.pyx"], **ext_options),
Extension("pyogrio._geometry", ["pyogrio/_geometry.pyx"], **ext_options),
Extension("pyogrio._io", ["pyogrio/_io.pyx"], **ext_options),
Extension("pyogrio._ogr", ["pyogrio/_ogr.pyx"], **ext_options),
Extension("pyogrio._vsi", ["pyogrio/_vsi.pyx"], **ext_options),
],
compiler_directives={"language_level": "3", "freethreading_compatible": True},
compile_time_env=compile_time_env,
)
if os.environ.get("PYOGRIO_PACKAGE_DATA"):
gdal_data = os.environ.get("GDAL_DATA")
if gdal_data and os.path.exists(gdal_data):
logger.info(f"Copying gdal data from {gdal_data}")
copy_data_tree(gdal_data, "pyogrio/gdal_data")
else:
raise Exception(
"Could not find GDAL data files for packaging. "
"Make sure to set the GDAL_DATA environment variable"
)
proj_data = os.environ.get("PROJ_LIB")
if proj_data and os.path.exists(proj_data):
logger.info(f"Copying proj data from {proj_data}")
copy_data_tree(proj_data, "pyogrio/proj_data")
else:
raise Exception(
"Could not find PROJ data files for packaging. "
"Make sure to set the PROJ_LIB environment variable"
)
package_data = {"pyogrio": ["gdal_data/*", "proj_data/*"]}
version = versioneer.get_version()
cmdclass = versioneer.get_cmdclass()
cmdclass["build_ext"] = build_ext
setup(
version=version,
packages=find_packages(),
include_package_data=True,
exclude_package_data={"": ["*.h", "_*.pxd", "_*.pyx"]},
cmdclass=cmdclass,
ext_modules=ext_modules,
package_data=package_data,
)
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