115 lines
2.4 KiB
Python
115 lines
2.4 KiB
Python
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"""
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Utility methods to print system info for debugging
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adapted from :func:`pandas.show_versions`
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"""
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# License: BSD 3 clause
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import platform
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import sys
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from threadpoolctl import threadpool_info
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from .. import __version__
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from ._openmp_helpers import _openmp_parallelism_enabled
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def _get_sys_info():
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"""System information
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Returns
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-------
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sys_info : dict
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system and Python version information
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"""
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python = sys.version.replace("\n", " ")
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blob = [
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("python", python),
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("executable", sys.executable),
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("machine", platform.platform()),
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]
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return dict(blob)
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def _get_deps_info():
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"""Overview of the installed version of main dependencies
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This function does not import the modules to collect the version numbers
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but instead relies on standard Python package metadata.
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Returns
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-------
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deps_info: dict
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version information on relevant Python libraries
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"""
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deps = [
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"pip",
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"setuptools",
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"numpy",
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"scipy",
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"Cython",
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"pandas",
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"matplotlib",
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"joblib",
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"threadpoolctl",
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]
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deps_info = {
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"sklearn": __version__,
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}
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from importlib.metadata import PackageNotFoundError, version
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for modname in deps:
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try:
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deps_info[modname] = version(modname)
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except PackageNotFoundError:
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deps_info[modname] = None
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return deps_info
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def show_versions():
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"""Print useful debugging information"
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.. versionadded:: 0.20
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Examples
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--------
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>>> from sklearn import show_versions
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>>> show_versions() # doctest: +SKIP
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"""
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sys_info = _get_sys_info()
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deps_info = _get_deps_info()
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print("\nSystem:")
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for k, stat in sys_info.items():
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print("{k:>10}: {stat}".format(k=k, stat=stat))
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print("\nPython dependencies:")
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for k, stat in deps_info.items():
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print("{k:>13}: {stat}".format(k=k, stat=stat))
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print(
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"\n{k}: {stat}".format(
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k="Built with OpenMP", stat=_openmp_parallelism_enabled()
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)
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)
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# show threadpoolctl results
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threadpool_results = threadpool_info()
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if threadpool_results:
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print()
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print("threadpoolctl info:")
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for i, result in enumerate(threadpool_results):
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for key, val in result.items():
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print(f"{key:>15}: {val}")
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if i != len(threadpool_results) - 1:
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print()
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