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setup.py
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setup.py
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#!/usr/bin/env python3
"""
Parts of this file were taken from the pyzmq project
(https://github.com/zeromq/pyzmq) which have been permitted for use under the
BSD license. Parts are from lxml (https://github.com/lxml/lxml)
"""
import argparse
import multiprocessing
import os
from os.path import join as pjoin
import platform
import shutil
import sys
from sysconfig import get_config_vars
import numpy
from pkg_resources import parse_version
from setuptools import (
Command,
Extension,
setup,
)
from setuptools.command.build_ext import build_ext as _build_ext
import versioneer
cmdclass = versioneer.get_cmdclass()
def is_platform_windows():
return sys.platform == "win32" or sys.platform == "cygwin"
def is_platform_mac():
return sys.platform == "darwin"
# note: sync with pyproject.toml, environment.yml and asv.conf.json
min_cython_ver = "0.29.24"
try:
from Cython import (
Tempita,
__version__ as _CYTHON_VERSION,
)
from Cython.Build import cythonize
_CYTHON_INSTALLED = parse_version(_CYTHON_VERSION) >= parse_version(min_cython_ver)
except ImportError:
_CYTHON_VERSION = None
_CYTHON_INSTALLED = False
cythonize = lambda x, *args, **kwargs: x # dummy func
_pxi_dep_template = {
"algos": ["_libs/algos_common_helper.pxi.in", "_libs/algos_take_helper.pxi.in"],
"hashtable": [
"_libs/hashtable_class_helper.pxi.in",
"_libs/hashtable_func_helper.pxi.in",
"_libs/khash_for_primitive_helper.pxi.in",
],
"index": ["_libs/index_class_helper.pxi.in"],
"sparse": ["_libs/sparse_op_helper.pxi.in"],
"interval": ["_libs/intervaltree.pxi.in"],
}
_pxifiles = []
_pxi_dep = {}
for module, files in _pxi_dep_template.items():
pxi_files = [pjoin("pandas", x) for x in files]
_pxifiles.extend(pxi_files)
_pxi_dep[module] = pxi_files
class build_ext(_build_ext):
@classmethod
def render_templates(cls, pxifiles):
for pxifile in pxifiles:
# build pxifiles first, template extension must be .pxi.in
assert pxifile.endswith(".pxi.in")
outfile = pxifile[:-3]
if (
os.path.exists(outfile)
and os.stat(pxifile).st_mtime < os.stat(outfile).st_mtime
):
# if .pxi.in is not updated, no need to output .pxi
continue
with open(pxifile) as f:
tmpl = f.read()
pyxcontent = Tempita.sub(tmpl)
with open(outfile, "w") as f:
f.write(pyxcontent)
def build_extensions(self):
# if building from c files, don't need to
# generate template output
if _CYTHON_INSTALLED:
self.render_templates(_pxifiles)
super().build_extensions()
class CleanCommand(Command):
"""Custom command to clean the .so and .pyc files."""
user_options = [("all", "a", "")]
def initialize_options(self):
self.all = True
self._clean_me = []
self._clean_trees = []
base = pjoin("pandas", "_libs", "src")
tsbase = pjoin("pandas", "_libs", "tslibs", "src")
dt = pjoin(tsbase, "datetime")
util = pjoin("pandas", "util")
parser = pjoin(base, "parser")
ujson_python = pjoin(base, "ujson", "python")
ujson_lib = pjoin(base, "ujson", "lib")
self._clean_exclude = [
pjoin(dt, "np_datetime.c"),
pjoin(dt, "np_datetime_strings.c"),
pjoin(parser, "tokenizer.c"),
pjoin(parser, "io.c"),
pjoin(ujson_python, "ujson.c"),
pjoin(ujson_python, "objToJSON.c"),
pjoin(ujson_python, "JSONtoObj.c"),
pjoin(ujson_python, "date_conversions.c"),
pjoin(ujson_lib, "ultrajsonenc.c"),
pjoin(ujson_lib, "ultrajsondec.c"),
pjoin(util, "move.c"),
]
for root, dirs, files in os.walk("pandas"):
for f in files:
filepath = pjoin(root, f)
if filepath in self._clean_exclude:
continue
if os.path.splitext(f)[-1] in (
".pyc",
".so",
".o",
".pyo",
".pyd",
".c",
".cpp",
".orig",
):
self._clean_me.append(filepath)
for d in dirs:
if d == "__pycache__":
self._clean_trees.append(pjoin(root, d))
# clean the generated pxi files
for pxifile in _pxifiles:
pxifile = pxifile.replace(".pxi.in", ".pxi")
self._clean_me.append(pxifile)
for d in ("build", "dist"):
if os.path.exists(d):
self._clean_trees.append(d)
def finalize_options(self):
pass
def run(self):
for clean_me in self._clean_me:
try:
os.unlink(clean_me)
except OSError:
pass
for clean_tree in self._clean_trees:
try:
shutil.rmtree(clean_tree)
except OSError:
pass
# we need to inherit from the versioneer
# class as it encodes the version info
sdist_class = cmdclass["sdist"]
class CheckSDist(sdist_class):
"""Custom sdist that ensures Cython has compiled all pyx files to c."""
_pyxfiles = [
"pandas/_libs/arrays.pyx",
"pandas/_libs/lib.pyx",
"pandas/_libs/hashtable.pyx",
"pandas/_libs/tslib.pyx",
"pandas/_libs/index.pyx",
"pandas/_libs/internals.pyx",
"pandas/_libs/algos.pyx",
"pandas/_libs/join.pyx",
"pandas/_libs/indexing.pyx",
"pandas/_libs/interval.pyx",
"pandas/_libs/hashing.pyx",
"pandas/_libs/missing.pyx",
"pandas/_libs/reduction.pyx",
"pandas/_libs/testing.pyx",
"pandas/_libs/sparse.pyx",
"pandas/_libs/ops.pyx",
"pandas/_libs/parsers.pyx",
"pandas/_libs/tslibs/base.pyx",
"pandas/_libs/tslibs/ccalendar.pyx",
"pandas/_libs/tslibs/ctime.pyx",
"pandas/_libs/tslibs/dtypes.pyx",
"pandas/_libs/tslibs/period.pyx",
"pandas/_libs/tslibs/strptime.pyx",
"pandas/_libs/tslibs/np_datetime.pyx",
"pandas/_libs/tslibs/timedeltas.pyx",
"pandas/_libs/tslibs/timestamps.pyx",
"pandas/_libs/tslibs/timezones.pyx",
"pandas/_libs/tslibs/conversion.pyx",
"pandas/_libs/tslibs/fields.pyx",
"pandas/_libs/tslibs/offsets.pyx",
"pandas/_libs/tslibs/parsing.pyx",
"pandas/_libs/tslibs/tzconversion.pyx",
"pandas/_libs/tslibs/vectorized.pyx",
"pandas/_libs/window/indexers.pyx",
"pandas/_libs/writers.pyx",
"pandas/io/sas/sas.pyx",
]
_cpp_pyxfiles = [
"pandas/_libs/window/aggregations.pyx",
]
def initialize_options(self):
sdist_class.initialize_options(self)
def run(self):
if "cython" in cmdclass:
self.run_command("cython")
else:
# If we are not running cython then
# compile the extensions correctly
pyx_files = [(self._pyxfiles, "c"), (self._cpp_pyxfiles, "cpp")]
for pyxfiles, extension in pyx_files:
for pyxfile in pyxfiles:
sourcefile = pyxfile[:-3] + extension
msg = (
f"{extension}-source file '{sourcefile}' not found.\n"
"Run 'setup.py cython' before sdist."
)
assert os.path.isfile(sourcefile), msg
sdist_class.run(self)
class CheckingBuildExt(build_ext):
"""
Subclass build_ext to get clearer report if Cython is necessary.
"""
def check_cython_extensions(self, extensions):
for ext in extensions:
for src in ext.sources:
if not os.path.exists(src):
print(f"{ext.name}: -> [{ext.sources}]")
raise Exception(
f"""Cython-generated file '{src}' not found.
Cython is required to compile pandas from a development branch.
Please install Cython or download a release package of pandas.
"""
)
def build_extensions(self):
self.check_cython_extensions(self.extensions)
build_ext.build_extensions(self)
class CythonCommand(build_ext):
"""
Custom command subclassed from Cython.Distutils.build_ext
to compile pyx->c, and stop there. All this does is override the
C-compile method build_extension() with a no-op.
"""
def build_extension(self, ext):
pass
class DummyBuildSrc(Command):
"""numpy's build_src command interferes with Cython's build_ext."""
user_options = []
def initialize_options(self):
self.py_modules_dict = {}
def finalize_options(self):
pass
def run(self):
pass
cmdclass["clean"] = CleanCommand
cmdclass["build_ext"] = CheckingBuildExt
if _CYTHON_INSTALLED:
suffix = ".pyx"
cmdclass["cython"] = CythonCommand
else:
suffix = ".c"
cmdclass["build_src"] = DummyBuildSrc
# ----------------------------------------------------------------------
# Preparation of compiler arguments
debugging_symbols_requested = "--with-debugging-symbols" in sys.argv
if debugging_symbols_requested:
sys.argv.remove("--with-debugging-symbols")
if sys.byteorder == "big":
endian_macro = [("__BIG_ENDIAN__", "1")]
else:
endian_macro = [("__LITTLE_ENDIAN__", "1")]
extra_compile_args = []
extra_link_args = []
if is_platform_windows():
if debugging_symbols_requested:
extra_compile_args.append("/Z7")
extra_link_args.append("/DEBUG")
else:
# PANDAS_CI=1 is set by ci/setup_env.sh
if os.environ.get("PANDAS_CI", "0") == "1":
extra_compile_args.append("-Werror")
if debugging_symbols_requested:
extra_compile_args.append("-g")
extra_compile_args.append("-UNDEBUG")
extra_compile_args.append("-O0")
# Build for at least macOS 10.9 when compiling on a 10.9 system or above,
# overriding CPython distuitls behaviour which is to target the version that
# python was built for. This may be overridden by setting
# MACOSX_DEPLOYMENT_TARGET before calling setup.py
if is_platform_mac():
if "MACOSX_DEPLOYMENT_TARGET" not in os.environ:
current_system = platform.mac_ver()[0]
python_target = get_config_vars().get(
"MACOSX_DEPLOYMENT_TARGET", current_system
)
target_macos_version = "10.9"
parsed_macos_version = parse_version(target_macos_version)
if (
parse_version(str(python_target)) < parsed_macos_version
and parse_version(current_system) >= parsed_macos_version
):
os.environ["MACOSX_DEPLOYMENT_TARGET"] = target_macos_version
if sys.version_info[:2] == (3, 8): # GH 33239
extra_compile_args.append("-Wno-error=deprecated-declarations")
# https://github.com/pandas-dev/pandas/issues/35559
extra_compile_args.append("-Wno-error=unreachable-code")
# enable coverage by building cython files by setting the environment variable
# "PANDAS_CYTHON_COVERAGE" (with a Truthy value) or by running build_ext
# with `--with-cython-coverage`enabled
linetrace = os.environ.get("PANDAS_CYTHON_COVERAGE", False)
if "--with-cython-coverage" in sys.argv:
linetrace = True
sys.argv.remove("--with-cython-coverage")
# Note: if not using `cythonize`, coverage can be enabled by
# pinning `ext.cython_directives = directives` to each ext in extensions.
# github.com/cython/cython/wiki/enhancements-compilerdirectives#in-setuppy
directives = {"linetrace": False, "language_level": 3}
macros = []
if linetrace:
# https://pypkg.com/pypi/pytest-cython/f/tests/example-project/setup.py
directives["linetrace"] = True
macros = [("CYTHON_TRACE", "1"), ("CYTHON_TRACE_NOGIL", "1")]
# silence build warnings about deprecated API usage
# we can't do anything about these warnings because they stem from
# cython+numpy version mismatches.
macros.append(("NPY_NO_DEPRECATED_API", "0"))
# ----------------------------------------------------------------------
# Specification of Dependencies
# TODO(cython#4518): Need to check to see if e.g. `linetrace` has changed and
# possibly re-compile.
def maybe_cythonize(extensions, *args, **kwargs):
"""
Render tempita templates before calling cythonize. This is skipped for
* clean
* sdist
"""
if "clean" in sys.argv or "sdist" in sys.argv:
# See https://github.com/cython/cython/issues/1495
return extensions
elif not _CYTHON_INSTALLED:
# GH#28836 raise a helfpul error message
if _CYTHON_VERSION:
raise RuntimeError(
f"Cannot cythonize with old Cython version ({_CYTHON_VERSION} "
f"installed, needs {min_cython_ver})"
)
raise RuntimeError("Cannot cythonize without Cython installed.")
# reuse any parallel arguments provided for compilation to cythonize
parser = argparse.ArgumentParser()
parser.add_argument("--parallel", "-j", type=int, default=1)
parsed, _ = parser.parse_known_args()
kwargs["nthreads"] = parsed.parallel
build_ext.render_templates(_pxifiles)
return cythonize(extensions, *args, **kwargs)
def srcpath(name=None, suffix=".pyx", subdir="src"):
return pjoin("pandas", subdir, name + suffix)
lib_depends = ["pandas/_libs/src/parse_helper.h"]
klib_include = ["pandas/_libs/src/klib"]
tseries_depends = [
"pandas/_libs/tslibs/src/datetime/np_datetime.h",
"pandas/_libs/tslibs/src/datetime/np_datetime_strings.h",
]
ext_data = {
"_libs.algos": {
"pyxfile": "_libs/algos",
"include": klib_include,
"depends": _pxi_dep["algos"],
},
"_libs.arrays": {"pyxfile": "_libs/arrays"},
"_libs.groupby": {"pyxfile": "_libs/groupby"},
"_libs.hashing": {"pyxfile": "_libs/hashing", "depends": []},
"_libs.hashtable": {
"pyxfile": "_libs/hashtable",
"include": klib_include,
"depends": (
["pandas/_libs/src/klib/khash_python.h", "pandas/_libs/src/klib/khash.h"]
+ _pxi_dep["hashtable"]
),
},
"_libs.index": {
"pyxfile": "_libs/index",
"include": klib_include,
"depends": _pxi_dep["index"],
},
"_libs.indexing": {"pyxfile": "_libs/indexing"},
"_libs.internals": {"pyxfile": "_libs/internals"},
"_libs.interval": {
"pyxfile": "_libs/interval",
"include": klib_include,
"depends": _pxi_dep["interval"],
},
"_libs.join": {"pyxfile": "_libs/join", "include": klib_include},
"_libs.lib": {
"pyxfile": "_libs/lib",
"depends": lib_depends + tseries_depends,
"include": klib_include, # due to tokenizer import
"sources": ["pandas/_libs/src/parser/tokenizer.c"],
},
"_libs.missing": {"pyxfile": "_libs/missing", "depends": tseries_depends},
"_libs.parsers": {
"pyxfile": "_libs/parsers",
"include": klib_include + ["pandas/_libs/src"],
"depends": [
"pandas/_libs/src/parser/tokenizer.h",
"pandas/_libs/src/parser/io.h",
],
"sources": [
"pandas/_libs/src/parser/tokenizer.c",
"pandas/_libs/src/parser/io.c",
],
},
"_libs.reduction": {"pyxfile": "_libs/reduction"},
"_libs.ops": {"pyxfile": "_libs/ops"},
"_libs.ops_dispatch": {"pyxfile": "_libs/ops_dispatch"},
"_libs.properties": {"pyxfile": "_libs/properties"},
"_libs.reshape": {"pyxfile": "_libs/reshape", "depends": []},
"_libs.sparse": {"pyxfile": "_libs/sparse", "depends": _pxi_dep["sparse"]},
"_libs.tslib": {"pyxfile": "_libs/tslib", "depends": tseries_depends},
"_libs.tslibs.base": {"pyxfile": "_libs/tslibs/base"},
"_libs.tslibs.ccalendar": {"pyxfile": "_libs/tslibs/ccalendar"},
"_libs.tslibs.ctime": {"pyxfile": "_libs/tslibs/ctime"},
"_libs.tslibs.dtypes": {"pyxfile": "_libs/tslibs/dtypes"},
"_libs.tslibs.conversion": {
"pyxfile": "_libs/tslibs/conversion",
"depends": tseries_depends,
"sources": ["pandas/_libs/tslibs/src/datetime/np_datetime.c"],
},
"_libs.tslibs.fields": {
"pyxfile": "_libs/tslibs/fields",
"depends": tseries_depends,
},
"_libs.tslibs.nattype": {"pyxfile": "_libs/tslibs/nattype"},
"_libs.tslibs.np_datetime": {
"pyxfile": "_libs/tslibs/np_datetime",
"depends": tseries_depends,
"sources": [
"pandas/_libs/tslibs/src/datetime/np_datetime.c",
"pandas/_libs/tslibs/src/datetime/np_datetime_strings.c",
],
},
"_libs.tslibs.offsets": {
"pyxfile": "_libs/tslibs/offsets",
"depends": tseries_depends,
},
"_libs.tslibs.parsing": {
"pyxfile": "_libs/tslibs/parsing",
"include": klib_include,
"depends": ["pandas/_libs/src/parser/tokenizer.h"],
"sources": ["pandas/_libs/src/parser/tokenizer.c"],
},
"_libs.tslibs.period": {
"pyxfile": "_libs/tslibs/period",
"depends": tseries_depends,
"sources": ["pandas/_libs/tslibs/src/datetime/np_datetime.c"],
},
"_libs.tslibs.strptime": {
"pyxfile": "_libs/tslibs/strptime",
"depends": tseries_depends,
},
"_libs.tslibs.timedeltas": {
"pyxfile": "_libs/tslibs/timedeltas",
"depends": tseries_depends,
},
"_libs.tslibs.timestamps": {
"pyxfile": "_libs/tslibs/timestamps",
"depends": tseries_depends,
},
"_libs.tslibs.timezones": {"pyxfile": "_libs/tslibs/timezones"},
"_libs.tslibs.tzconversion": {
"pyxfile": "_libs/tslibs/tzconversion",
"depends": tseries_depends,
},
"_libs.tslibs.vectorized": {"pyxfile": "_libs/tslibs/vectorized"},
"_libs.testing": {"pyxfile": "_libs/testing"},
"_libs.window.aggregations": {
"pyxfile": "_libs/window/aggregations",
"language": "c++",
"suffix": ".cpp",
"depends": ["pandas/_libs/src/skiplist.h"],
},
"_libs.window.indexers": {"pyxfile": "_libs/window/indexers"},
"_libs.writers": {"pyxfile": "_libs/writers"},
"io.sas._sas": {"pyxfile": "io/sas/sas"},
}
extensions = []
for name, data in ext_data.items():
source_suffix = suffix if suffix == ".pyx" else data.get("suffix", ".c")
sources = [srcpath(data["pyxfile"], suffix=source_suffix, subdir="")]
sources.extend(data.get("sources", []))
include = data.get("include", [])
include.append(numpy.get_include())
undef_macros = []
if (
sys.platform == "zos"
and data.get("language") == "c++"
and os.path.basename(os.environ.get("CXX", "/bin/xlc++")) in ("xlc", "xlc++")
):
data.get("macros", macros).append(("__s390__", "1"))
extra_compile_args.append("-qlanglvl=extended0x:nolibext")
undef_macros.append("_POSIX_THREADS")
obj = Extension(
f"pandas.{name}",
sources=sources,
depends=data.get("depends", []),
include_dirs=include,
language=data.get("language", "c"),
define_macros=data.get("macros", macros),
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args,
undef_macros=undef_macros,
)
extensions.append(obj)
# ----------------------------------------------------------------------
# ujson
if suffix == ".pyx":
# undo dumb setuptools bug clobbering .pyx sources back to .c
for ext in extensions:
if ext.sources[0].endswith((".c", ".cpp")):
root, _ = os.path.splitext(ext.sources[0])
ext.sources[0] = root + suffix
ujson_ext = Extension(
"pandas._libs.json",
depends=[
"pandas/_libs/src/ujson/lib/ultrajson.h",
"pandas/_libs/src/ujson/python/date_conversions.h",
],
sources=(
[
"pandas/_libs/src/ujson/python/ujson.c",
"pandas/_libs/src/ujson/python/objToJSON.c",
"pandas/_libs/src/ujson/python/date_conversions.c",
"pandas/_libs/src/ujson/python/JSONtoObj.c",
"pandas/_libs/src/ujson/lib/ultrajsonenc.c",
"pandas/_libs/src/ujson/lib/ultrajsondec.c",
]
+ [
"pandas/_libs/tslibs/src/datetime/np_datetime.c",
"pandas/_libs/tslibs/src/datetime/np_datetime_strings.c",
]
),
include_dirs=[
"pandas/_libs/src/ujson/python",
"pandas/_libs/src/ujson/lib",
"pandas/_libs/src/datetime",
numpy.get_include(),
],
extra_compile_args=(["-D_GNU_SOURCE"] + extra_compile_args),
extra_link_args=extra_link_args,
define_macros=macros,
)
extensions.append(ujson_ext)
# ----------------------------------------------------------------------
if __name__ == "__main__":
# Freeze to support parallel compilation when using spawn instead of fork
multiprocessing.freeze_support()
setup(
version=versioneer.get_version(),
ext_modules=maybe_cythonize(extensions, compiler_directives=directives),
cmdclass=cmdclass,
)