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setup.py
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#!/usr/bin/env python3
# Copyright 2017 Christoph Reiter <[email protected]>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
# USA
import io
import os
import sys
import errno
import subprocess
import tarfile
import sysconfig
import tempfile
import posixpath
from email import parser
from setuptools import setup
from distutils.core import Extension, Distribution, Command
from distutils.errors import DistutilsSetupError, DistutilsOptionError
from distutils.ccompiler import new_compiler
from distutils.sysconfig import get_python_lib, customize_compiler
from distutils import dir_util, log
from distutils.spawn import find_executable
PYGOBJECT_VERSION = "3.41.0"
GLIB_VERSION_REQUIRED = "2.56.0"
GI_VERSION_REQUIRED = "1.56.0"
PYCAIRO_VERSION_REQUIRED = "1.16.0"
LIBFFI_VERSION_REQUIRED = "3.0"
WITH_CAIRO = not bool(os.environ.get("PYGOBJECT_WITHOUT_PYCAIRO"))
"""Set PYGOBJECT_WITHOUT_PYCAIRO if you don't want to build with
cairo/pycairo support. Note that this option might get removed in the future.
"""
def is_dev_version():
version = tuple(map(int, PYGOBJECT_VERSION.split(".")))
return version[1] % 2 != 0
def get_command_class(name):
# Returns the right class for either distutils or setuptools
return Distribution({}).get_command_class(name)
def get_version_requirement(pkg_config_name):
"""Given a pkg-config module name gets the minimum version required"""
versions = {
"gobject-introspection-1.0": GI_VERSION_REQUIRED,
"glib-2.0": GLIB_VERSION_REQUIRED,
"gio-2.0": GLIB_VERSION_REQUIRED,
"py3cairo": PYCAIRO_VERSION_REQUIRED,
"libffi": LIBFFI_VERSION_REQUIRED,
"cairo": "0",
"cairo-gobject": "0",
}
return versions[pkg_config_name]
def get_versions():
version = PYGOBJECT_VERSION.split(".")
assert len(version) == 3
versions = {
"PYGOBJECT_MAJOR_VERSION": version[0],
"PYGOBJECT_MINOR_VERSION": version[1],
"PYGOBJECT_MICRO_VERSION": version[2],
"VERSION": ".".join(version),
}
return versions
def parse_pkg_info(conf_dir):
"""Returns an email.message.Message instance containing the content
of the PKG-INFO file.
"""
versions = get_versions()
pkg_info = os.path.join(conf_dir, "PKG-INFO.in")
with io.open(pkg_info, "r", encoding="utf-8") as h:
text = h.read()
for key, value in versions.items():
text = text.replace("@%s@" % key, value)
p = parser.Parser()
message = p.parse(io.StringIO(text))
return message
def pkg_config_get_install_hint():
"""Returns an installation hint for installing pkg-config or None"""
if not sys.platform.startswith("linux"):
return
if find_executable("apt"):
return "sudo apt install pkg-config"
elif find_executable("dnf"):
return "sudo dnf install pkg-config"
def pkg_config_get_package_install_hint(pkg_name):
"""Returns an installation hint for a pkg-config name or None"""
if not sys.platform.startswith("linux"):
return
if find_executable("apt"):
dev_packages = {
"gobject-introspection-1.0": "libgirepository1.0-dev",
"glib-2.0": "libglib2.0-dev",
"gio-2.0": "libglib2.0-dev",
"cairo": "libcairo2-dev",
"cairo-gobject": "libcairo2-dev",
"libffi": "libffi-dev",
}
if pkg_name in dev_packages:
return "sudo apt install %s" % dev_packages[pkg_name]
elif find_executable("dnf"):
dev_packages = {
"gobject-introspection-1.0": "gobject-introspection-devel",
"glib-2.0": "glib2-devel",
"gio-2.0": "glib2-devel",
"cairo": "cairo-devel",
"cairo-gobject": "cairo-gobject-devel",
"libffi": "libffi-devel",
}
if pkg_name in dev_packages:
return "sudo dnf install %s" % dev_packages[pkg_name]
class PkgConfigError(Exception):
pass
class PkgConfigMissingError(PkgConfigError):
pass
class PkgConfigMissingPackageError(PkgConfigError):
pass
def _run_pkg_config(pkg_name, args, _cache={}):
"""Raises PkgConfigError"""
command = tuple(["pkg-config"] + args)
if command not in _cache:
try:
result = subprocess.check_output(command)
except OSError as e:
if e.errno == errno.ENOENT:
raise PkgConfigMissingError(
"%r not found.\nArguments: %r" % (command[0], command))
raise PkgConfigError(e)
except subprocess.CalledProcessError as e:
try:
subprocess.check_output(["pkg-config", "--exists", pkg_name])
except (subprocess.CalledProcessError, OSError):
raise PkgConfigMissingPackageError(e)
else:
raise PkgConfigError(e)
else:
_cache[command] = result
return _cache[command]
def _run_pkg_config_or_exit(pkg_name, args):
try:
return _run_pkg_config(pkg_name, args)
except PkgConfigMissingError as e:
hint = pkg_config_get_install_hint()
if hint:
raise SystemExit(
"%s\n\nTry installing it with: %r" % (e, hint))
else:
raise SystemExit(e)
except PkgConfigMissingPackageError as e:
hint = pkg_config_get_package_install_hint(pkg_name)
if hint:
raise SystemExit(
"%s\n\nTry installing it with: %r" % (e, hint))
else:
raise SystemExit(e)
except PkgConfigError as e:
raise SystemExit(e)
def pkg_config_version_check(pkg_name, version):
_run_pkg_config_or_exit(pkg_name, [
"--print-errors",
"--exists",
'%s >= %s' % (pkg_name, version),
])
def pkg_config_parse(opt, pkg_name):
ret = _run_pkg_config_or_exit(pkg_name, [opt, pkg_name])
output = ret.decode()
opt = opt[-2:]
return [x.lstrip(opt) for x in output.split()]
def list_headers(d):
return [os.path.join(d, e) for e in os.listdir(d) if e.endswith(".h")]
def filter_compiler_arguments(compiler, args):
"""Given a compiler instance and a list of compiler warning flags
returns the list of supported flags.
"""
if compiler.compiler_type == "msvc":
# TODO, not much of need for now.
return []
extra = []
def check_arguments(compiler, args):
p = subprocess.Popen(
[compiler.compiler[0]] + args + extra + ["-x", "c", "-E", "-"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate(b"int i;\n")
if p.returncode != 0:
text = stderr.decode("ascii", "replace")
return False, [a for a in args if a in text]
else:
return True, []
def check_argument(compiler, arg):
return check_arguments(compiler, [arg])[0]
# clang doesn't error out for unknown options, force it to
if check_argument(compiler, '-Werror=unknown-warning-option'):
extra += ['-Werror=unknown-warning-option']
if check_argument(compiler, '-Werror=unused-command-line-argument'):
extra += ['-Werror=unused-command-line-argument']
# first try to remove all arguments contained in the error message
supported = list(args)
while 1:
ok, maybe_unknown = check_arguments(compiler, supported)
if ok:
return supported
elif not maybe_unknown:
break
for unknown in maybe_unknown:
if not check_argument(compiler, unknown):
supported.remove(unknown)
# hm, didn't work, try each argument one by one
supported = []
for arg in args:
if check_argument(compiler, arg):
supported.append(arg)
return supported
class sdist_gnome(Command):
description = "Create a source tarball for GNOME"
user_options = []
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
# Don't use PEP 440 pre-release versions for GNOME releases
self.distribution.metadata.version = PYGOBJECT_VERSION
dist_dir = tempfile.mkdtemp()
try:
cmd = self.reinitialize_command("sdist")
cmd.dist_dir = dist_dir
cmd.ensure_finalized()
cmd.run()
base_name = self.distribution.get_fullname().lower()
cmd.make_release_tree(base_name, cmd.filelist.files)
try:
self.make_archive(base_name, "xztar", base_dir=base_name)
finally:
dir_util.remove_tree(base_name)
finally:
dir_util.remove_tree(dist_dir)
du_sdist = get_command_class("sdist")
class distcheck(du_sdist):
"""Creates a tarball and does some additional sanity checks such as
checking if the tarball includes all files, builds successfully and
the tests suite passes.
"""
def _check_manifest(self):
# make sure MANIFEST.in includes all tracked files
assert self.get_archive_files()
if subprocess.call(["git", "status"],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE) != 0:
return
included_files = self.filelist.files
assert included_files
process = subprocess.Popen(
["git", "ls-tree", "-r", "HEAD", "--name-only"],
stdout=subprocess.PIPE, universal_newlines=True)
out, err = process.communicate()
assert process.returncode == 0
tracked_files = out.splitlines()
tracked_files = [
f for f in tracked_files
if os.path.basename(f) not in [".gitignore"]]
diff = set(tracked_files) - set(included_files)
assert not diff, (
"Not all tracked files included in tarball, check MANIFEST.in",
diff)
def _check_dist(self):
# make sure the tarball builds
assert self.get_archive_files()
distcheck_dir = os.path.abspath(
os.path.join(self.dist_dir, "distcheck"))
if os.path.exists(distcheck_dir):
dir_util.remove_tree(distcheck_dir)
self.mkpath(distcheck_dir)
archive = self.get_archive_files()[0]
tfile = tarfile.open(archive, "r:gz")
tfile.extractall(distcheck_dir)
tfile.close()
name = self.distribution.get_fullname()
extract_dir = os.path.join(distcheck_dir, name)
old_pwd = os.getcwd()
os.chdir(extract_dir)
try:
self.spawn([sys.executable, "setup.py", "build"])
self.spawn([sys.executable, "setup.py", "install",
"--root",
os.path.join(distcheck_dir, "prefix"),
"--record",
os.path.join(distcheck_dir, "log.txt"),
])
self.spawn([sys.executable, "setup.py", "test"])
finally:
os.chdir(old_pwd)
def run(self):
du_sdist.run(self)
self._check_manifest()
self._check_dist()
class build_tests(Command):
description = "build test libraries and extensions"
user_options = [
("force", "f", "force a rebuild"),
]
def initialize_options(self):
self.build_temp = None
self.build_base = None
self.force = False
def finalize_options(self):
self.set_undefined_options(
'build_ext',
('build_temp', 'build_temp'))
self.set_undefined_options(
'build',
('build_base', 'build_base'))
def _newer_group(self, sources, *targets):
assert targets
from distutils.dep_util import newer_group
if self.force:
return True
else:
for target in targets:
if not newer_group(sources, target):
return False
return True
def run(self):
cmd = self.reinitialize_command("build_ext")
cmd.inplace = True
cmd.force = self.force
cmd.ensure_finalized()
cmd.run()
gidatadir = pkg_config_parse(
"--variable=gidatadir", "gobject-introspection-1.0")[0]
g_ir_scanner = pkg_config_parse(
"--variable=g_ir_scanner", "gobject-introspection-1.0")[0]
g_ir_compiler = pkg_config_parse(
"--variable=g_ir_compiler", "gobject-introspection-1.0")[0]
script_dir = get_script_dir()
gi_dir = os.path.join(script_dir, "gi")
tests_dir = os.path.join(script_dir, "tests")
gi_tests_dir = os.path.join(gidatadir, "tests")
schema_xml = os.path.join(tests_dir, "org.gnome.test.gschema.xml")
schema_bin = os.path.join(tests_dir, "gschemas.compiled")
if self._newer_group([schema_xml], schema_bin):
subprocess.check_call([
"glib-compile-schemas",
"--targetdir=%s" % tests_dir,
"--schema-file=%s" % schema_xml,
])
compiler = new_compiler()
customize_compiler(compiler)
if os.name == "nt":
compiler.shared_lib_extension = ".dll"
elif sys.platform == "darwin":
compiler.shared_lib_extension = ".dylib"
if "-bundle" in compiler.linker_so:
compiler.linker_so = list(compiler.linker_so)
i = compiler.linker_so.index("-bundle")
compiler.linker_so[i] = "-dynamiclib"
else:
compiler.shared_lib_extension = ".so"
if compiler.compiler_type == "msvc":
g_ir_scanner_cmd = [sys.executable, g_ir_scanner]
else:
g_ir_scanner_cmd = [g_ir_scanner]
def build_ext(ext):
libname = compiler.shared_object_filename(ext.name)
ext_paths = [os.path.join(tests_dir, libname)]
if os.name == "nt":
if compiler.compiler_type == "msvc":
# MSVC: Get rid of the 'lib' prefix and the .dll
# suffix from libname, and append .lib so
# that we get the right .lib filename to
# pass to g-ir-scanner with --library
implibname = libname[3:libname.rfind(".dll")] + '.lib'
else:
implibname = libname + ".a"
ext_paths.append(os.path.join(tests_dir, implibname))
if self._newer_group(ext.sources + ext.depends, *ext_paths):
# MSVC: We need to define _GI_EXTERN explcitly so that
# symbols get exported properly
if compiler.compiler_type == "msvc":
extra_defines = [('_GI_EXTERN',
'__declspec(dllexport)extern')]
else:
extra_defines = []
objects = compiler.compile(
ext.sources,
output_dir=self.build_temp,
include_dirs=ext.include_dirs,
macros=ext.define_macros + extra_defines)
if os.name == "nt":
if compiler.compiler_type == "msvc":
postargs = ["-implib:%s" %
os.path.join(tests_dir, implibname)]
else:
postargs = ["-Wl,--out-implib=%s" %
os.path.join(tests_dir, implibname)]
else:
postargs = []
compiler.link_shared_object(
objects,
compiler.shared_object_filename(ext.name),
output_dir=tests_dir,
libraries=ext.libraries,
library_dirs=ext.library_dirs,
extra_postargs=postargs)
return ext_paths
ext = Extension(
name='libgimarshallingtests',
sources=[
os.path.join(gi_tests_dir, "gimarshallingtests.c"),
os.path.join(tests_dir, "gimarshallingtestsextra.c"),
],
include_dirs=[
gi_tests_dir,
tests_dir,
],
depends=[
os.path.join(gi_tests_dir, "gimarshallingtests.h"),
os.path.join(tests_dir, "gimarshallingtestsextra.h"),
],
)
add_ext_pkg_config_dep(ext, compiler.compiler_type, "glib-2.0")
add_ext_pkg_config_dep(ext, compiler.compiler_type, "gio-2.0")
ext_paths = build_ext(ext)
# We want to always use POSIX-style paths for g-ir-compiler
# because it expects the input .gir file and .typelib file to use
# POSIX-style paths, otherwise it fails
gir_path = posixpath.join(
tests_dir, "GIMarshallingTests-1.0.gir")
typelib_path = posixpath.join(
tests_dir, "GIMarshallingTests-1.0.typelib")
gimarshal_g_ir_scanner_cmd = g_ir_scanner_cmd + [
"--no-libtool",
"--include=Gio-2.0",
"--namespace=GIMarshallingTests",
"--nsversion=1.0",
"--symbol-prefix=gi_marshalling_tests",
"--warn-all",
"--warn-error",
"--library-path=%s" % tests_dir,
"--library=gimarshallingtests",
"--pkg=glib-2.0",
"--pkg=gio-2.0",
"--cflags-begin",
"-I%s" % gi_tests_dir,
"--cflags-end",
"--output=%s" % gir_path,
]
if self._newer_group(ext_paths, gir_path):
subprocess.check_call(gimarshal_g_ir_scanner_cmd +
ext.sources + ext.depends)
if self._newer_group([gir_path], typelib_path):
subprocess.check_call([
g_ir_compiler,
gir_path,
"--output=%s" % typelib_path,
])
regress_macros = []
if not WITH_CAIRO:
regress_macros.append(("_GI_DISABLE_CAIRO", "1"))
ext = Extension(
name='libregress',
sources=[
os.path.join(gi_tests_dir, "regress.c"),
os.path.join(tests_dir, "regressextra.c"),
],
include_dirs=[
gi_tests_dir,
],
depends=[
os.path.join(gi_tests_dir, "regress.h"),
os.path.join(tests_dir, "regressextra.h"),
],
define_macros=regress_macros,
)
add_ext_pkg_config_dep(ext, compiler.compiler_type, "glib-2.0")
add_ext_pkg_config_dep(ext, compiler.compiler_type, "gio-2.0")
if WITH_CAIRO:
add_ext_pkg_config_dep(ext, compiler.compiler_type, "cairo")
add_ext_pkg_config_dep(
ext, compiler.compiler_type, "cairo-gobject")
ext_paths = build_ext(ext)
# We want to always use POSIX-style paths for g-ir-compiler
# because it expects the input .gir file and .typelib file to use
# POSIX-style paths, otherwise it fails
gir_path = posixpath.join(tests_dir, "Regress-1.0.gir")
typelib_path = posixpath.join(tests_dir, "Regress-1.0.typelib")
regress_g_ir_scanner_cmd = g_ir_scanner_cmd + [
"--no-libtool",
"--include=Gio-2.0",
"--namespace=Regress",
"--nsversion=1.0",
"--warn-all",
"--warn-error",
"--library-path=%s" % tests_dir,
"--library=regress",
"--pkg=glib-2.0",
"--pkg=gio-2.0"]
if self._newer_group(ext_paths, gir_path):
if WITH_CAIRO:
regress_g_ir_scanner_cmd += ["--include=cairo-1.0"]
# MSVC: We don't normally have the pkg-config files for
# cairo and cairo-gobject, so use --extra-library
# instead of --pkg to pass those to the linker, so that
# g-ir-scanner won't fail due to linker errors
if compiler.compiler_type == "msvc":
regress_g_ir_scanner_cmd += [
"--extra-library=cairo",
"--extra-library=cairo-gobject"]
else:
regress_g_ir_scanner_cmd += [
"--pkg=cairo",
"--pkg=cairo-gobject"]
else:
regress_g_ir_scanner_cmd += ["-D_GI_DISABLE_CAIRO"]
regress_g_ir_scanner_cmd += ["--output=%s" % gir_path]
subprocess.check_call(regress_g_ir_scanner_cmd +
ext.sources + ext.depends)
if self._newer_group([gir_path], typelib_path):
subprocess.check_call([
g_ir_compiler,
gir_path,
"--output=%s" % typelib_path,
])
ext = Extension(
name='tests.testhelper',
sources=[
os.path.join(tests_dir, "testhelpermodule.c"),
os.path.join(tests_dir, "test-floating.c"),
os.path.join(tests_dir, "test-thread.c"),
os.path.join(tests_dir, "test-unknown.c"),
],
include_dirs=[
gi_dir,
tests_dir,
],
depends=list_headers(gi_dir) + list_headers(tests_dir),
define_macros=[("PY_SSIZE_T_CLEAN", None)],
)
add_ext_pkg_config_dep(ext, compiler.compiler_type, "glib-2.0")
add_ext_pkg_config_dep(ext, compiler.compiler_type, "gio-2.0")
add_ext_compiler_flags(ext, compiler)
dist = Distribution({"ext_modules": [ext]})
build_cmd = dist.get_command_obj("build")
build_cmd.build_base = os.path.join(self.build_base, "pygobject_tests")
build_cmd.ensure_finalized()
cmd = dist.get_command_obj("build_ext")
cmd.inplace = True
cmd.force = self.force
cmd.ensure_finalized()
cmd.run()
def get_suppression_files_for_prefix(prefix):
"""Returns a list of valgrind suppression files for a given prefix"""
# Most specific first (/usr/share/doc is Fedora, /usr/lib is Debian)
# Take the first one found
major = str(sys.version_info[0])
minor = str(sys.version_info[1])
pyfiles = []
pyfiles.append(
os.path.join(
prefix, "share", "doc", "python%s%s" % (major, minor),
"valgrind-python.supp"))
pyfiles.append(
os.path.join(prefix, "lib", "valgrind", "python%s.supp" % major))
pyfiles.append(
os.path.join(
prefix, "share", "doc", "python%s-devel" % major,
"valgrind-python.supp"))
pyfiles.append(os.path.join(prefix, "lib", "valgrind", "python.supp"))
files = []
for f in pyfiles:
if os.path.isfile(f):
files.append(f)
break
files.append(os.path.join(
prefix, "share", "glib-2.0", "valgrind", "glib.supp"))
return [f for f in files if os.path.isfile(f)]
def get_real_prefix():
"""Returns the base Python prefix, even in a virtualenv/venv"""
return getattr(sys, "base_prefix", getattr(sys, "real_prefix", sys.prefix))
def get_suppression_files():
"""Returns a list of valgrind suppression files"""
prefixes = [
sys.prefix,
get_real_prefix(),
pkg_config_parse("--variable=prefix", "glib-2.0")[0],
]
files = []
for prefix in prefixes:
files.extend(get_suppression_files_for_prefix(prefix))
files.append(os.path.join(get_script_dir(), "tests", "valgrind.supp"))
return sorted(set(files))
class test(Command):
user_options = [
("valgrind", None, "run tests under valgrind"),
("valgrind-log-file=", None, "save logs instead of printing them"),
("gdb", None, "run tests under gdb"),
("no-capture", "s", "don't capture test output"),
]
def initialize_options(self):
self.valgrind = None
self.valgrind_log_file = None
self.gdb = None
self.no_capture = None
def finalize_options(self):
self.valgrind = bool(self.valgrind)
if self.valgrind_log_file and not self.valgrind:
raise DistutilsOptionError("valgrind not enabled")
self.gdb = bool(self.gdb)
self.no_capture = bool(self.no_capture)
def run(self):
cmd = self.reinitialize_command("build_tests")
cmd.ensure_finalized()
cmd.run()
env = os.environ.copy()
env.pop("MSYSTEM", None)
if self.no_capture:
env["PYGI_TEST_VERBOSE"] = "1"
env["MALLOC_PERTURB_"] = "85"
env["MALLOC_CHECK_"] = "3"
env["G_SLICE"] = "debug-blocks"
pre_args = []
if self.valgrind:
env["G_SLICE"] = "always-malloc"
env["G_DEBUG"] = "gc-friendly"
env["PYTHONMALLOC"] = "malloc"
pre_args += [
"valgrind", "--leak-check=full", "--show-possibly-lost=no",
"--num-callers=20", "--child-silent-after-fork=yes",
] + ["--suppressions=" + f for f in get_suppression_files()]
if self.valgrind_log_file:
pre_args += ["--log-file=" + self.valgrind_log_file]
if self.gdb:
env["PYGI_TEST_GDB"] = "1"
pre_args += ["gdb", "--args"]
if pre_args:
log.info(" ".join(pre_args))
tests_dir = os.path.join(get_script_dir(), "tests")
sys.exit(subprocess.call(pre_args + [
sys.executable,
os.path.join(tests_dir, "runtests.py"),
], env=env))
class quality(Command):
description = "run code quality tests"
user_options = []
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
status = subprocess.call([
sys.executable, "-m", "flake8",
], cwd=get_script_dir())
if status != 0:
raise SystemExit(status)
def get_script_dir():
return os.path.dirname(os.path.realpath(__file__))
def get_pycairo_include_dir():
"""Returns the best guess at where to find the pycairo headers.
A bit convoluted because we have to deal with multiple pycairo
versions.
Raises if pycairo isn't found or it's too old.
"""
pkg_config_name = "py3cairo"
min_version = get_version_requirement(pkg_config_name)
min_version_info = tuple(int(p) for p in min_version.split("."))
def check_path(include_dir):
log.info("pycairo: trying include directory: %r" % include_dir)
header_path = os.path.join(include_dir, "%s.h" % pkg_config_name)
if os.path.exists(header_path):
log.info("pycairo: found %r" % header_path)
return True
log.info("pycairo: header file (%r) not found" % header_path)
return False
def find_path(paths):
for p in reversed(paths):
if check_path(p):
return p
def find_new_api():
log.info("pycairo: new API")
import cairo
if cairo.version_info < min_version_info:
raise DistutilsSetupError(
"pycairo >= %s required, %s found." % (
min_version, ".".join(map(str, cairo.version_info))))
if hasattr(cairo, "get_include"):
return [cairo.get_include()]
log.info("pycairo: no get_include()")
return []
def find_old_api():
log.info("pycairo: old API")
import cairo
if cairo.version_info < min_version_info:
raise DistutilsSetupError(
"pycairo >= %s required, %s found." % (
min_version, ".".join(map(str, cairo.version_info))))
location = os.path.dirname(os.path.abspath(cairo.__path__[0]))
log.info("pycairo: found %r" % location)
def get_sys_path(location, name):
# Returns the sysconfig path for a distribution, or None
for scheme in sysconfig.get_scheme_names():
for path_type in ["platlib", "purelib"]:
path = sysconfig.get_path(path_type, scheme)
try:
if os.path.samefile(path, location):
return sysconfig.get_path(name, scheme)
except EnvironmentError:
pass
data_path = get_sys_path(location, "data") or sys.prefix
return [os.path.join(data_path, "include", "pycairo")]
def find_pkg_config():
log.info("pycairo: pkg-config")
pkg_config_version_check(pkg_config_name, min_version)
return pkg_config_parse("--cflags-only-I", pkg_config_name)
# First the new get_include() API added in >1.15.6
include_dir = find_path(find_new_api())
if include_dir is not None:
return include_dir
# Then try to find it in the data prefix based on the module path.
# This works with many virtualenv/userdir setups, but not all apparently,
# see https://gitlab.gnome.org/GNOME/pygobject/issues/150
include_dir = find_path(find_old_api())
if include_dir is not None:
return include_dir
# Finally, fall back to pkg-config
include_dir = find_path(find_pkg_config())
if include_dir is not None:
return include_dir
raise DistutilsSetupError("Could not find pycairo headers")
def add_ext_pkg_config_dep(ext, compiler_type, name):
msvc_libraries = {
"glib-2.0": ["glib-2.0"],
"gio-2.0": ["gio-2.0", "gobject-2.0", "glib-2.0"],
"gobject-introspection-1.0":
["girepository-1.0", "gobject-2.0", "glib-2.0"],
"cairo": ["cairo"],
"cairo-gobject":
["cairo-gobject", "cairo", "gobject-2.0", "glib-2.0"],
"libffi": ["ffi"],
}
def add(target, new):
for entry in new:
if entry not in target:
target.append(entry)
fallback_libs = msvc_libraries[name]
if compiler_type == "msvc":
# assume that INCLUDE and LIB contains the right paths
add(ext.libraries, fallback_libs)
else:
min_version = get_version_requirement(name)
pkg_config_version_check(name, min_version)
add(ext.include_dirs, pkg_config_parse("--cflags-only-I", name))
add(ext.library_dirs, pkg_config_parse("--libs-only-L", name))
add(ext.libraries, pkg_config_parse("--libs-only-l", name))
def add_ext_compiler_flags(ext, compiler, _cache={}):
if compiler.compiler_type == "msvc":
# MSVC: Just force-include msvc_recommended_pragmas.h so that
# we can look out for compiler warnings that we really
# want to look out for, and filter out those that don't
# really matter to us.
ext.extra_compile_args += ['-FImsvc_recommended_pragmas.h']
else:
cache_key = compiler.compiler[0]
if cache_key not in _cache:
args = [
"-Wall",
"-Warray-bounds",
"-Wcast-align",
"-Wduplicated-branches",
"-Wextra",
"-Wformat=2",
"-Wformat-nonliteral",
"-Wformat-security",
"-Wimplicit-function-declaration",
"-Winit-self",
"-Wjump-misses-init",
"-Wlogical-op",
"-Wmissing-declarations",
"-Wmissing-format-attribute",
"-Wmissing-include-dirs",
"-Wmissing-noreturn",
"-Wmissing-prototypes",
"-Wnested-externs",
"-Wnull-dereference",
"-Wold-style-definition",
"-Wpacked",
"-Wpointer-arith",
"-Wrestrict",
"-Wreturn-type",
"-Wshadow",
"-Wsign-compare",
"-Wstrict-aliasing",
"-Wstrict-prototypes",
"-Wswitch-default",
"-Wundef",
"-Wunused-but-set-variable",
"-Wwrite-strings",
]
args += [
"-Wno-incompatible-pointer-types-discards-qualifiers",
"-Wno-missing-field-initializers",
"-Wno-unused-parameter",
"-Wno-discarded-qualifiers",
"-Wno-sign-conversion",
"-Wno-cast-function-type",
"-Wno-int-conversion",
]
# silence clang for unused gcc CFLAGS added by Debian
args += [
"-Wno-unused-command-line-argument",
]