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setupext.py
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import builtins
import configparser
from distutils import sysconfig, version
from distutils.core import Extension
import distutils.command.build_ext
import glob
import hashlib
import importlib
import multiprocessing
import os
import pathlib
import platform
import re
import shutil
import subprocess
import sys
import tarfile
import textwrap
import urllib.request
import warnings
import setuptools
import versioneer
def _get_xdg_cache_dir():
"""
Return the XDG cache directory.
See https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
"""
cache_dir = os.environ.get('XDG_CACHE_HOME')
if not cache_dir:
cache_dir = os.path.expanduser('~/.cache')
if cache_dir.startswith('~/'): # Expansion failed.
return None
return os.path.join(cache_dir, 'matplotlib')
# SHA256 hashes of the FreeType tarballs
_freetype_hashes = {
'2.6.1': '0a3c7dfbda6da1e8fce29232e8e96d987ababbbf71ebc8c75659e4132c367014',
'2.6.2': '8da42fc4904e600be4b692555ae1dcbf532897da9c5b9fb5ebd3758c77e5c2d4',
'2.6.3': '7942096c40ee6fea882bd4207667ad3f24bff568b96b10fd3885e11a7baad9a3',
'2.6.4': '27f0e38347a1850ad57f84fc4dfed68ba0bc30c96a6fa6138ef84d485dd9a8d7',
'2.6.5': '3bb24add9b9ec53636a63ea8e867ed978c4f8fdd8f1fa5ccfd41171163d4249a',
'2.7': '7b657d5f872b0ab56461f3bd310bd1c5ec64619bd15f0d8e08282d494d9cfea4',
'2.7.1': '162ef25aa64480b1189cdb261228e6c5c44f212aac4b4621e28cf2157efb59f5',
'2.8': '33a28fabac471891d0523033e99c0005b95e5618dc8ffa7fa47f9dadcacb1c9b',
'2.8.1': '876711d064a6a1bd74beb18dd37f219af26100f72daaebd2d86cb493d7cd7ec6',
}
# This is the version of FreeType to use when building a local
# version. It must match the value in
# lib/matplotlib.__init__.py and also needs to be changed below in the
# embedded windows build script (grep for "REMINDER" in this file)
LOCAL_FREETYPE_VERSION = '2.6.1'
LOCAL_FREETYPE_HASH = _freetype_hashes.get(LOCAL_FREETYPE_VERSION, 'unknown')
# matplotlib build options, which can be altered using setup.cfg
options = {
'display_status': True,
'verbose': False,
'backend': None,
'basedirlist': None
}
setup_cfg = os.environ.get('MPLSETUPCFG', 'setup.cfg')
if os.path.exists(setup_cfg):
config = configparser.ConfigParser()
config.read(setup_cfg)
if config.has_option('status', 'suppress'):
options['display_status'] = not config.getboolean("status", "suppress")
if config.has_option('rc_options', 'backend'):
options['backend'] = config.get("rc_options", "backend")
if config.has_option('directories', 'basedirlist'):
options['basedirlist'] = [
x.strip() for x in
config.get("directories", "basedirlist").split(',')]
if config.has_option('test', 'local_freetype'):
options['local_freetype'] = config.getboolean("test", "local_freetype")
else:
config = None
lft = bool(os.environ.get('MPLLOCALFREETYPE', False))
options['local_freetype'] = lft or options.get('local_freetype', False)
def extract_versions():
"""
Extracts version values from the main matplotlib __init__.py and
returns them as a dictionary.
"""
with open('lib/matplotlib/__init__.py') as fd:
for line in fd.readlines():
if line.startswith('__version__numpy__'):
exec(line.strip())
return locals()
def has_include_file(include_dirs, filename):
"""
Returns `True` if *filename* can be found in one of the
directories in *include_dirs*.
"""
if sys.platform == 'win32':
include_dirs = [*include_dirs, # Don't modify it in-place.
*os.environ.get('INCLUDE', '.').split(os.pathsep)]
return any(pathlib.Path(dir, filename).exists() for dir in include_dirs)
def check_include_file(include_dirs, filename, package):
"""
Raises an exception if the given include file can not be found.
"""
if not has_include_file(include_dirs, filename):
raise CheckFailed(
"The C/C++ header for %s (%s) could not be found. You "
"may need to install the development package." %
(package, filename))
def get_base_dirs():
"""
Returns a list of standard base directories on this platform.
"""
if options['basedirlist']:
return options['basedirlist']
if os.environ.get('MPLBASEDIRLIST'):
return os.environ.get('MPLBASEDIRLIST').split(os.pathsep)
win_bases = ['win32_static']
# on conda windows, we also add the <conda_env_dir>\Library,
# as conda installs libs/includes there
# env var names mess: https://github.com/conda/conda/issues/2312
conda_env_path = os.getenv('CONDA_PREFIX') # conda >= 4.1
if not conda_env_path:
conda_env_path = os.getenv('CONDA_DEFAULT_ENV') # conda < 4.1
if conda_env_path and os.path.isdir(conda_env_path):
win_bases.append(os.path.join(conda_env_path, "Library"))
basedir_map = {
'win32': win_bases,
'darwin': ['/usr/local/', '/usr', '/usr/X11',
'/opt/X11', '/opt/local'],
'sunos5': [os.getenv('MPLIB_BASE') or '/usr/local', ],
'gnu0': ['/usr'],
'aix5': ['/usr/local'],
}
return basedir_map.get(sys.platform, ['/usr/local', '/usr'])
def get_include_dirs():
"""
Returns a list of standard include directories on this platform.
"""
include_dirs = [os.path.join(d, 'include') for d in get_base_dirs()]
if sys.platform != 'win32':
# gcc includes this dir automatically, so also look for headers in
# these dirs
include_dirs.extend(
os.environ.get('CPLUS_INCLUDE_PATH', '').split(os.pathsep))
return include_dirs
def is_min_version(found, minversion):
"""
Returns whether *found* is a version at least as high as *minversion*.
"""
return version.LooseVersion(found) >= version.LooseVersion(minversion)
# Define the display functions only if display_status is True.
if options['display_status']:
def print_line(char='='):
print(char * 76)
def print_status(package, status):
initial_indent = "%22s: " % package
indent = ' ' * 24
print(textwrap.fill(str(status), width=76,
initial_indent=initial_indent,
subsequent_indent=indent))
def print_message(message):
indent = ' ' * 24 + "* "
print(textwrap.fill(str(message), width=76,
initial_indent=indent,
subsequent_indent=indent))
def print_raw(section):
print(section)
else:
def print_line(*args, **kwargs):
pass
print_status = print_message = print_raw = print_line
# Remove the -Wstrict-prototypes option, is it's not valid for C++
customize_compiler = distutils.command.build_ext.customize_compiler
def my_customize_compiler(compiler):
retval = customize_compiler(compiler)
try:
compiler.compiler_so.remove('-Wstrict-prototypes')
except (ValueError, AttributeError):
pass
return retval
distutils.command.build_ext.customize_compiler = my_customize_compiler
def make_extension(name, files, *args, **kwargs):
"""
Make a new extension. Automatically sets include_dirs and
library_dirs to the base directories appropriate for this
platform.
`name` is the name of the extension.
`files` is a list of source files.
Any additional arguments are passed to the
`distutils.core.Extension` constructor.
"""
ext = DelayedExtension(name, files, *args, **kwargs)
for dir in get_base_dirs():
include_dir = os.path.join(dir, 'include')
if os.path.exists(include_dir):
ext.include_dirs.append(include_dir)
for lib in ('lib', 'lib64'):
lib_dir = os.path.join(dir, lib)
if os.path.exists(lib_dir):
ext.library_dirs.append(lib_dir)
ext.include_dirs.append('.')
return ext
def get_file_hash(filename):
"""
Get the SHA256 hash of a given filename.
"""
BLOCKSIZE = 1 << 16
hasher = hashlib.sha256()
with open(filename, 'rb') as fd:
buf = fd.read(BLOCKSIZE)
while buf:
hasher.update(buf)
buf = fd.read(BLOCKSIZE)
return hasher.hexdigest()
class PkgConfig(object):
"""
This is a class for communicating with pkg-config.
"""
def __init__(self):
"""
Determines whether pkg-config exists on this machine.
"""
if sys.platform == 'win32':
self.has_pkgconfig = False
else:
self.pkg_config = os.environ.get('PKG_CONFIG', 'pkg-config')
self.set_pkgconfig_path()
self.has_pkgconfig = shutil.which(self.pkg_config) is not None
if not self.has_pkgconfig:
print("IMPORTANT WARNING:\n"
" pkg-config is not installed.\n"
" matplotlib may not be able to find some of its dependencies")
def set_pkgconfig_path(self):
pkgconfig_path = sysconfig.get_config_var('LIBDIR')
if pkgconfig_path is None:
return
pkgconfig_path = os.path.join(pkgconfig_path, 'pkgconfig')
if not os.path.isdir(pkgconfig_path):
return
try:
os.environ['PKG_CONFIG_PATH'] += ':' + pkgconfig_path
except KeyError:
os.environ['PKG_CONFIG_PATH'] = pkgconfig_path
def setup_extension(self, ext, package, default_include_dirs=[],
default_library_dirs=[], default_libraries=[],
alt_exec=None):
"""
Add parameters to the given `ext` for the given `package`.
"""
flag_map = {
'-I': 'include_dirs', '-L': 'library_dirs', '-l': 'libraries'}
executable = alt_exec
if self.has_pkgconfig:
executable = (self.pkg_config + ' {0}').format(package)
use_defaults = True
if executable is not None:
command = "{0} --libs --cflags ".format(executable)
try:
output = subprocess.check_output(
command, shell=True, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError:
pass
else:
output = output.decode(sys.getfilesystemencoding())
use_defaults = False
for token in output.split():
attr = flag_map.get(token[:2])
if attr is not None:
getattr(ext, attr).insert(0, token[2:])
if use_defaults:
basedirs = get_base_dirs()
for base in basedirs:
for include in default_include_dirs:
dir = os.path.join(base, include)
if os.path.exists(dir):
ext.include_dirs.append(dir)
for lib in default_library_dirs:
dir = os.path.join(base, lib)
if os.path.exists(dir):
ext.library_dirs.append(dir)
ext.libraries.extend(default_libraries)
return True
return False
def get_version(self, package):
"""
Get the version of the package from pkg-config.
"""
if not self.has_pkgconfig:
return None
status, output = subprocess.getstatusoutput(
self.pkg_config + " %s --modversion" % (package))
if status == 0:
return output
return None
# The PkgConfig class should be used through this singleton
pkg_config = PkgConfig()
class CheckFailed(Exception):
"""
Exception thrown when a `SetupPackage.check` method fails.
"""
pass
class SetupPackage(object):
optional = False
pkg_names = {
"apt-get": None,
"yum": None,
"dnf": None,
"brew": None,
"port": None,
"windows_url": None
}
def check(self):
"""
Checks whether the build dependencies are met. Should raise a
`CheckFailed` exception if the dependency could not be met, otherwise
return a string indicating a version number or some other message
indicating what was found.
"""
pass
def runtime_check(self):
"""
True if the runtime dependencies of the backend are met. Assumes that
the build-time dependencies are met.
"""
return True
def get_packages(self):
"""
Get a list of package names to add to the configuration.
These are added to the `packages` list passed to
`distutils.setup`.
"""
return []
def get_namespace_packages(self):
"""
Get a list of namespace package names to add to the configuration.
These are added to the `namespace_packages` list passed to
`distutils.setup`.
"""
return []
def get_py_modules(self):
"""
Get a list of top-level modules to add to the configuration.
These are added to the `py_modules` list passed to
`distutils.setup`.
"""
return []
def get_package_data(self):
"""
Get a package data dictionary to add to the configuration.
These are merged into to the `package_data` list passed to
`distutils.setup`.
"""
return {}
def get_extension(self):
"""
Get a list of C extensions (`distutils.core.Extension`
objects) to add to the configuration. These are added to the
`extensions` list passed to `distutils.setup`.
"""
return None
def get_install_requires(self):
"""
Get a list of Python packages that we require.
pip/easy_install will attempt to download and install this
package if it is not installed.
"""
return []
def get_setup_requires(self):
"""
Get a list of Python packages that we require at build time.
pip/easy_install will attempt to download and install this
package if it is not installed.
"""
return []
def _check_for_pkg_config(self, package, include_file, min_version=None,
version=None):
"""
A convenience function for writing checks for a
pkg_config-defined dependency.
`package` is the pkg_config package name.
`include_file` is a top-level include file we expect to find.
`min_version` is the minimum version required.
`version` will override the found version if this package
requires an alternate method for that. Set version='unknown'
if the version is not known but you still want to disabled
pkg_config version check.
"""
if version is None:
version = pkg_config.get_version(package)
if version is None:
raise CheckFailed(
"pkg-config information for '%s' could not be found." %
package)
if min_version == 'PATCH':
raise CheckFailed(
"Requires patches that have not been merged upstream.")
if min_version and version != 'unknown':
if (not is_min_version(version, min_version)):
raise CheckFailed(
"Requires %s %s or later. Found %s." %
(package, min_version, version))
ext = self.get_extension()
if ext is None:
ext = make_extension('test', [])
pkg_config.setup_extension(ext, package)
check_include_file(
ext.include_dirs + get_include_dirs(), include_file, package)
return 'version %s' % version
def do_custom_build(self):
"""
If a package needs to do extra custom things, such as building a
third-party library, before building an extension, it should
override this method.
"""
pass
def install_help_msg(self):
"""
Do not override this method !
Generate the help message to show if the package is not installed.
To use this in subclasses, simply add the dictionary `pkg_names` as
a class variable:
pkg_names = {
"apt-get": <Name of the apt-get package>,
"yum": <Name of the yum package>,
"dnf": <Name of the dnf package>,
"brew": <Name of the brew package>,
"port": <Name of the port package>,
"windows_url": <The url which has installation instructions>
}
All the dictionary keys are optional. If a key is not present or has
the value `None` no message is provided for that platform.
"""
def _try_managers(*managers):
for manager in managers:
pkg_name = self.pkg_names.get(manager, None)
if pkg_name:
if shutil.which(manager) is not None:
if manager == 'port':
pkgconfig = 'pkgconfig'
else:
pkgconfig = 'pkg-config'
return ('Try installing {0} with `{1} install {2}` '
'and pkg-config with `{1} install {3}`'
.format(self.name, manager, pkg_name,
pkgconfig))
message = None
if sys.platform == "win32":
url = self.pkg_names.get("windows_url", None)
if url:
message = ('Please check {0} for instructions to install {1}'
.format(url, self.name))
elif sys.platform == "darwin":
message = _try_managers("brew", "port")
elif sys.platform == "linux":
release = platform.linux_distribution()[0].lower()
if release in ('debian', 'ubuntu'):
message = _try_managers('apt-get')
elif release in ('centos', 'redhat', 'fedora'):
message = _try_managers('dnf', 'yum')
return message
class OptionalPackage(SetupPackage):
optional = True
force = False
config_category = "packages"
default_config = "auto"
@classmethod
def get_config(cls):
"""
Look at `setup.cfg` and return one of ["auto", True, False] indicating
if the package is at default state ("auto"), forced by the user (case
insensitively defined as 1, true, yes, on for True) or opted-out (case
insensitively defined as 0, false, no, off for False).
"""
conf = cls.default_config
if config is not None and config.has_option(cls.config_category, cls.name):
try:
conf = config.getboolean(cls.config_category, cls.name)
except ValueError:
conf = config.get(cls.config_category, cls.name)
return conf
def check(self):
"""
Do not override this method!
For custom dependency checks override self.check_requirements().
Two things are checked: Configuration file and requirements.
"""
# Check configuration file
conf = self.get_config()
# Default "auto" state or install forced by user
if conf in [True, 'auto']:
message = "installing"
# Set non-optional if user sets `True` in config
if conf is True:
self.optional = False
# Configuration opt-out by user
else:
# Some backend extensions (e.g. Agg) need to be built for certain
# other GUI backends (e.g. TkAgg) even when manually disabled
if self.force is True:
message = "installing forced (config override)"
else:
raise CheckFailed("skipping due to configuration")
# Check requirements and add extra information (if any) to message.
# If requirements are not met a CheckFailed should be raised in there.
additional_info = self.check_requirements()
if additional_info:
message += ", " + additional_info
# No CheckFailed raised until now, return install message.
return message
def check_requirements(self):
"""
Override this method to do custom dependency checks.
- Raise CheckFailed() if requirements are not met.
- Return message with additional information, or an empty string
(or None) for no additional information.
"""
return ""
class OptionalBackendPackage(OptionalPackage):
config_category = "gui_support"
class Platform(SetupPackage):
name = "platform"
def check(self):
return sys.platform
class Python(SetupPackage):
name = "python"
def check(self):
if sys.version_info < (3, 5):
error = """
Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4.
Beginning with Matplotlib 3.0, Python 3.5 and above is required.
This may be due to an out of date pip.
Make sure you have pip >= 9.0.1.
"""
raise CheckFailed(error)
return sys.version
class Matplotlib(SetupPackage):
name = "matplotlib"
def check(self):
return versioneer.get_version()
def get_packages(self):
return setuptools.find_packages(
"lib",
include=["matplotlib", "matplotlib.*"],
exclude=["matplotlib.tests", "matplotlib.*.tests"])
def get_py_modules(self):
return ['pylab']
def get_package_data(self):
def iter_dir(base):
return [
str(path.relative_to('lib/matplotlib'))
for path in pathlib.Path('lib/matplotlib', base).rglob('*')]
return {
'matplotlib':
[
*iter_dir('mpl-data/fonts'),
*iter_dir('mpl-data/images'),
*iter_dir('mpl-data/stylelib'),
*iter_dir('backends/web_backend'),
]}
class SampleData(OptionalPackage):
"""
This handles the sample data that ships with matplotlib. It is
technically optional, though most often will be desired.
"""
name = "sample_data"
def get_package_data(self):
def iter_dir(base):
return [
str(path.relative_to('lib/matplotlib'))
for path in pathlib.Path('lib/matplotlib', base).rglob('*')]
return {
'matplotlib':
[
*iter_dir('mpl-data/sample_data'),
]}
class Toolkits(OptionalPackage):
name = "toolkits"
def get_packages(self):
return [
'mpl_toolkits',
'mpl_toolkits.mplot3d',
'mpl_toolkits.axes_grid',
'mpl_toolkits.axes_grid1',
'mpl_toolkits.axisartist',
]
def get_namespace_packages(self):
return ['mpl_toolkits']
class Tests(OptionalPackage):
name = "tests"
pytest_min_version = '3.4'
default_config = False
def check(self):
super().check()
msgs = []
msg_template = ('{package} is required to run the Matplotlib test '
'suite. Please install it with pip or your preferred '
'tool to run the test suite')
bad_pytest = msg_template.format(
package='pytest %s or later' % self.pytest_min_version
)
try:
import pytest
if is_min_version(pytest.__version__, self.pytest_min_version):
msgs += ['using pytest version %s' % pytest.__version__]
else:
msgs += [bad_pytest]
except ImportError:
msgs += [bad_pytest]
return ' / '.join(msgs)
def get_packages(self):
return [
'matplotlib.tests',
'matplotlib.sphinxext.tests',
]
def get_package_data(self):
baseline_images = [
'tests/baseline_images/%s/*' % x
for x in os.listdir('lib/matplotlib/tests/baseline_images')]
return {
'matplotlib':
baseline_images +
[
'tests/cmr10.pfb',
'tests/mpltest.ttf',
'tests/test_rcparams.rc',
'tests/test_utf32_be_rcparams.rc',
'sphinxext/tests/tinypages/*.rst',
'sphinxext/tests/tinypages/*.py',
'sphinxext/tests/tinypages/_static/*',
]}
class Toolkits_Tests(Tests):
name = "toolkits_tests"
def check_requirements(self):
conf = self.get_config()
toolkits_conf = Toolkits.get_config()
tests_conf = Tests.get_config()
if conf is True:
Tests.force = True
Toolkits.force = True
elif conf == "auto" and not (toolkits_conf and tests_conf):
# Only auto-install if both toolkits and tests are set
# to be installed
raise CheckFailed("toolkits_tests needs 'toolkits' and 'tests'")
return ""
def get_packages(self):
return [
'mpl_toolkits.tests',
]
def get_package_data(self):
baseline_images = [
'tests/baseline_images/%s/*' % x
for x in os.listdir('lib/mpl_toolkits/tests/baseline_images')]
return {'mpl_toolkits': baseline_images}
def get_namespace_packages(self):
return ['mpl_toolkits']
class DelayedExtension(Extension, object):
"""
A distutils Extension subclass where some of its members
may have delayed computation until reaching the build phase.
This is so we can, for example, get the Numpy include dirs
after pip has installed Numpy for us if it wasn't already
on the system.
"""
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._finalized = False
self._hooks = {}
def add_hook(self, member, func):
"""
Add a hook to dynamically compute a member.
Parameters
----------
member : string
The name of the member
func : callable
The function to call to get dynamically-computed values
for the member.
"""
self._hooks[member] = func
def finalize(self):
self._finalized = True
class DelayedMember(property):
def __init__(self, name):
self._name = name
def __get__(self, obj, objtype=None):
result = getattr(obj, '_' + self._name, [])
if obj._finalized:
if self._name in obj._hooks:
result = obj._hooks[self._name]() + result
return result
def __set__(self, obj, value):
setattr(obj, '_' + self._name, value)
include_dirs = DelayedMember('include_dirs')
class Numpy(SetupPackage):
name = "numpy"
@staticmethod
def include_dirs_hook():
if hasattr(builtins, '__NUMPY_SETUP__'):
del builtins.__NUMPY_SETUP__
import numpy
importlib.reload(numpy)
ext = Extension('test', [])
ext.include_dirs.append(numpy.get_include())
if not has_include_file(
ext.include_dirs, os.path.join("numpy", "arrayobject.h")):
warnings.warn(
"The C headers for numpy could not be found. "
"You may need to install the development package")
return [numpy.get_include()]
def check(self):
min_version = extract_versions()['__version__numpy__']
try:
import numpy
except ImportError:
return 'not found. pip may install it below.'
if not is_min_version(numpy.__version__, min_version):
raise SystemExit(
"Requires numpy %s or later to build. (Found %s)" %
(min_version, numpy.__version__))
return 'version %s' % numpy.__version__
def add_flags(self, ext):
# Ensure that PY_ARRAY_UNIQUE_SYMBOL is uniquely defined for
# each extension
array_api_name = 'MPL_' + ext.name.replace('.', '_') + '_ARRAY_API'
ext.define_macros.append(('PY_ARRAY_UNIQUE_SYMBOL', array_api_name))
ext.add_hook('include_dirs', self.include_dirs_hook)
ext.define_macros.append(('NPY_NO_DEPRECATED_API',
'NPY_1_7_API_VERSION'))
# Allow NumPy's printf format specifiers in C++.
ext.define_macros.append(('__STDC_FORMAT_MACROS', 1))
def get_setup_requires(self):
return ['numpy>=1.10.0']
def get_install_requires(self):
return ['numpy>=1.10.0']
class LibAgg(SetupPackage):
name = 'libagg'
def check(self):
self.__class__.found_external = True
try:
return self._check_for_pkg_config(
'libagg', 'agg2/agg_basics.h', min_version='PATCH')
except CheckFailed as e:
self.__class__.found_external = False
return str(e) + ' Using local copy.'
def add_flags(self, ext, add_sources=True):
if self.found_external:
pkg_config.setup_extension(ext, 'libagg')
else:
ext.include_dirs.insert(0, 'extern/agg24-svn/include')
if add_sources:
agg_sources = [
'agg_bezier_arc.cpp',
'agg_curves.cpp',
'agg_image_filters.cpp',
'agg_trans_affine.cpp',
'agg_vcgen_contour.cpp',
'agg_vcgen_dash.cpp',
'agg_vcgen_stroke.cpp',
'agg_vpgen_segmentator.cpp'
]
ext.sources.extend(
os.path.join('extern', 'agg24-svn', 'src', x) for x in agg_sources)
class FreeType(SetupPackage):
name = "freetype"
pkg_names = {
"apt-get": "libfreetype6-dev",
"yum": "freetype-devel",
"dnf": "freetype-devel",
"brew": "freetype",
"port": "freetype",
"windows_url": "http://gnuwin32.sourceforge.net/packages/freetype.htm"
}
def check(self):
if options.get('local_freetype'):
return "Using local version for testing"
if sys.platform == 'win32':
try:
check_include_file(get_include_dirs(), 'ft2build.h', 'freetype')
except CheckFailed:
check_include_file(get_include_dirs(), 'freetype2\\ft2build.h', 'freetype')
return 'Using unknown version found on system.'
status, output = subprocess.getstatusoutput(
"freetype-config --ftversion")
if status == 0:
version = output
else:
version = None
# Early versions of freetype grep badly inside freetype-config,
# so catch those cases. (tested with 2.5.3).
if version is None or 'No such file or directory\ngrep:' in version:
version = self.version_from_header()
# pkg_config returns the libtool version rather than the
# freetype version so we need to explicitly pass the version
# to _check_for_pkg_config
return self._check_for_pkg_config(
'freetype2', 'ft2build.h',
min_version='2.3', version=version)
def version_from_header(self):
version = 'unknown'
ext = self.get_extension()
if ext is None:
return version
# Return the first version found in the include dirs.
for include_dir in ext.include_dirs:
header_fname = os.path.join(include_dir, 'freetype.h')
if os.path.exists(header_fname):
major, minor, patch = 0, 0, 0
with open(header_fname, 'r') as fh:
for line in fh:
if line.startswith('#define FREETYPE_'):
value = line.rsplit(' ', 1)[1].strip()
if 'MAJOR' in line:
major = value
elif 'MINOR' in line:
minor = value
else:
patch = value
return '.'.join([major, minor, patch])