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"""Utility functions for printing version information."""
import contextlib
import importlib
import locale
import os
import platform
import struct
import subprocess
import sys
def get_sys_info():
"""Returns system information as a dict"""
blob = []
# get full commit hash
commit = None
if os.path.isdir(".git") and os.path.isdir("xarray"):
try:
pipe = subprocess.Popen(
("git", "log", '--format="%H"', "-n", "1"),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
so, _ = pipe.communicate()
except Exception:
pass
else:
if pipe.returncode == 0:
commit = so
with contextlib.suppress(ValueError):
commit = so.decode("utf-8")
commit = commit.strip().strip('"')
blob.append(("commit", commit))
try:
(sysname, _nodename, release, _version, machine, processor) = platform.uname()
blob.extend(
[
("python", sys.version),
("python-bits", struct.calcsize("P") * 8),
("OS", f"{sysname}"),
("OS-release", f"{release}"),
# ("Version", f"{version}"),
("machine", f"{machine}"),
("processor", f"{processor}"),
("byteorder", f"{sys.byteorder}"),
("LC_ALL", f"{os.environ.get('LC_ALL', 'None')}"),
("LANG", f"{os.environ.get('LANG', 'None')}"),
("LOCALE", f"{locale.getlocale()}"),
]
)
except Exception:
pass
return blob
def netcdf_and_hdf5_versions():
libhdf5_version = None
libnetcdf_version = None
try:
import netCDF4
libhdf5_version = netCDF4.__hdf5libversion__
libnetcdf_version = netCDF4.__netcdf4libversion__
except ImportError:
try:
import h5py
libhdf5_version = h5py.version.hdf5_version
except ImportError:
pass
return [("libhdf5", libhdf5_version), ("libnetcdf", libnetcdf_version)]
def show_versions(file=sys.stdout):
"""print the versions of xarray and its dependencies
Parameters
----------
file : file-like, optional
print to the given file-like object. Defaults to sys.stdout.
"""
sys_info = get_sys_info()
try:
sys_info.extend(netcdf_and_hdf5_versions())
except Exception as e:
print(f"Error collecting netcdf / hdf5 version: {e}")
deps = [
# (MODULE_NAME, f(mod) -> mod version)
("xarray", lambda mod: mod.__version__),
("pandas", lambda mod: mod.__version__),
("numpy", lambda mod: mod.__version__),
("scipy", lambda mod: mod.__version__),
# xarray optionals
("netCDF4", lambda mod: mod.__version__),
("pydap", lambda mod: mod.__version__),
("h5netcdf", lambda mod: mod.__version__),
("h5py", lambda mod: mod.__version__),
("zarr", lambda mod: mod.__version__),
("cftime", lambda mod: mod.__version__),
("nc_time_axis", lambda mod: mod.__version__),
("iris", lambda mod: mod.__version__),
("bottleneck", lambda mod: mod.__version__),
("dask", lambda mod: mod.__version__),
("distributed", lambda mod: mod.__version__),
("matplotlib", lambda mod: mod.__version__),
("cartopy", lambda mod: mod.__version__),
("seaborn", lambda mod: mod.__version__),
("numbagg", lambda mod: mod.__version__),
("fsspec", lambda mod: mod.__version__),
("cupy", lambda mod: mod.__version__),
("pint", lambda mod: mod.__version__),
("sparse", lambda mod: mod.__version__),
("flox", lambda mod: mod.__version__),
("numpy_groupies", lambda mod: mod.__version__),
# xarray setup/test
("setuptools", lambda mod: mod.__version__),
("pip3", lambda mod: mod.__version__),
("conda", lambda mod: mod.__version__),
("pytest", lambda mod: mod.__version__),
("mypy", lambda mod: importlib.metadata.version(mod.__name__)),
# Misc.
("IPython", lambda mod: mod.__version__),
("sphinx", lambda mod: mod.__version__),
]
deps_blob = []
for modname, ver_f in deps:
try:
if modname in sys.modules:
mod = sys.modules[modname]
else:
mod = importlib.import_module(modname)
except Exception:
deps_blob.append((modname, None))
else:
try:
ver = ver_f(mod)
deps_blob.append((modname, ver))
except Exception:
deps_blob.append((modname, "installed"))
print("\nINSTALLED VERSIONS", file=file)
print("------------------", file=file)
for k, stat in sys_info:
print(f"{k}: {stat}", file=file)
print("", file=file)
for k, stat in deps_blob:
print(f"{k}: {stat}", file=file)
if __name__ == "__main__":
show_versions()
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