matplotlib/setupext.py at master · eudoxos/matplotlib · GitHub

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import builtins

import configparser

from distutils import sysconfig, version

from distutils.core import Extension

from io import BytesIO

import glob

import hashlib

import importlib

import logging

import os

import pathlib

import platform

import setuptools

import shutil

import subprocess

import sys

import tarfile

import textwrap

import urllib.request

import versioneer

import warnings

if sys.version_info < (3, ):

from urllib2 import urlopen, Request

class FileExistsError(OSError):

pass

def makedirs(path, exist_ok=True):

if not exist_ok:

raise ValueError("this backport only supports exist_ok is True")

if not path or os.path.exists(path):

return

head, tail = os.path.split(path)

makedirs(head, exist_ok=True)

os.makedirs(path)

else:

from urllib.request import urlopen, Request

from os import makedirs

_log = logging.getLogger(__name__)

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')

def get_fd_hash(fd):

"""

Compute the sha256 hash of the bytes in a file-like

"""

BLOCKSIZE = 1 << 16

hasher = hashlib.sha256()

old_pos = fd.tell()

fd.seek(0)

buf = fd.read(BLOCKSIZE)

while buf:

hasher.update(buf)

buf = fd.read(BLOCKSIZE)

fd.seek(old_pos)

return hasher.hexdigest()

def download_or_cache(url, sha):

"""

Get bytes from the given url or local cache.

Parameters

----------

url : str

The url to download

sha : str

The sha256 of the file

Returns

-------

BytesIO

The file loaded into memory.

"""

cache_dir = _get_xdg_cache_dir()

def get_from_cache(local_fn):

if cache_dir is None:

raise Exception("no cache dir")

cache_filename = os.path.join(cache_dir, local_fn)

with open(cache_filename, 'rb') as fin:

buf = BytesIO(fin.read())

file_sha = get_fd_hash(buf)

if file_sha != sha:

return None

buf.seek(0)

return buf

def write_cache(local_fn, data):

if cache_dir is None:

raise Exception("no cache dir")

cache_filename = os.path.join(cache_dir, local_fn)

makedirs(cache_dir, exist_ok=True)

if sys.version_info < (3, ):

if os.path.exists(cache_filename):

raise FileExistsError

mode = 'wb'

else:

mode = 'xb'

old_pos = data.tell()

data.seek(0)

with open(cache_filename, mode=mode) as fout:

fout.write(data.read())

data.seek(old_pos)

try:

return get_from_cache(sha)

except Exception:

pass

# jQueryUI's website blocks direct downloads from urllib.request's

# default User-Agent, but not (for example) wget; so I don't feel too

# bad passing in an empty User-Agent.

with urlopen(

Request(url, headers={"User-Agent": ""})) as req:

file_contents = BytesIO(req.read())

file_contents.seek(0)

file_sha = get_fd_hash(file_contents)

if file_sha != sha:

raise Exception(("The download file does not match the "

"expected sha. {url} was expected to have "

"{sha} but it had {file_sha}").format(

sha=sha, file_sha=file_sha, url=url))

try:

write_cache(sha, file_contents)

except Exception:

pass

file_contents.seek(0)

return file_contents

# 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,

'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 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 these dirs automatically, so also look for headers in

# these dirs

include_dirs.extend(

os.environ.get('CPATH', '').split(os.pathsep))

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 * 80)

def print_status(package, status):

initial_indent = "%12s: " % package

indent = ' ' * 18

print(textwrap.fill(str(status), width=80,

initial_indent=initial_indent,

subsequent_indent=indent))

def print_message(message):

indent = ' ' * 18 + "* "

print(textwrap.fill(str(message), width=80,

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

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_buffer_hash(fd):

BLOCKSIZE = 1 << 16

hasher = hashlib.sha256()

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 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 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):

return sys.version

def _pkg_data_helper(pkg, subdir):

"""Glob "lib/$pkg/$subdir/**/*", returning paths relative to "lib/$pkg"."""

base = pathlib.Path("lib", pkg)

return [str(path.relative_to(base)) for path in (base / subdir).rglob("*")]

class Matplotlib(SetupPackage):

name = "matplotlib"

def check(self):

return versioneer.get_version()

def get_packages(self):

return setuptools.find_packages("lib", exclude=["*.tests"])

def get_namespace_packages(self):

return ['mpl_toolkits']

def get_py_modules(self):

return ['pylab']

def get_package_data(self):

return {

'matplotlib': [

'mpl-data/matplotlibrc',

*_pkg_data_helper('matplotlib', 'mpl-data/fonts'),

*_pkg_data_helper('matplotlib', 'mpl-data/images'),

*_pkg_data_helper('matplotlib', 'mpl-data/stylelib'),

*_pkg_data_helper('matplotlib', 'backends/web_backend'),

}

def get_install_requires(self):

return [

"cycler>=0.10",

"kiwisolver>=1.0.1",

"pyparsing>=2.0.1,!=2.0.4,!=2.1.2,!=2.1.6",

"python-dateutil>=2.1",

]

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):

return {

'matplotlib': [

*_pkg_data_helper('matplotlib', 'mpl-data/sample_data'),

}

class Tests(OptionalPackage):

name = "tests"

default_config = True

def get_packages(self):

return setuptools.find_packages("lib", include=["*.tests"])

def get_package_data(self):

return {

'matplotlib': [

*_pkg_data_helper('matplotlib', 'tests/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/*',

'mpl_toolkits': [

*_pkg_data_helper('mpl_toolkits', 'tests/baseline_images'),

]

}

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")):

_log.warning(

"The C headers for numpy could not be found. "

"You may need to install the development package")

return [numpy.get_include()]

def add_flags(self, ext):

ext.add_hook('include_dirs', self.include_dirs_hook)

ext.define_macros.extend([

# Ensure that PY_ARRAY_UNIQUE_SYMBOL is uniquely defined for each

# extension.

('PY_ARRAY_UNIQUE_SYMBOL',

'MPL_' + ext.name.replace('.', '_') + '_ARRAY_API'),

('NPY_NO_DEPRECATED_API', 'NPY_1_7_API_VERSION'),

# Allow NumPy's printf format specifiers in C++.

('__STDC_FORMAT_MACROS', 1),

])

def get_setup_requires(self):

return ['numpy>=1.11']

def get_install_requires(self):

return ['numpy>=1.11']

class LibAgg(SetupPackage):

name = 'libagg'

def add_flags(self, ext, add_sources=True):

# We need a patched Agg not available elsewhere, so always use the

# vendored version.

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)

# For FreeType2 and libpng, we add a separate checkdep_foo.c source to at the

# top of the extension sources. This file is compiled first and immediately

# aborts the compilation either with "foo.h: No such file or directory" if the

# header is not found, or an appropriate error message if the header indicates

# a too-old version.

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 add_flags(self, ext):

ext.sources.insert(0, 'src/checkdep_freetype2.c')

if options.get('local_freetype'):

src_path = os.path.join(

'build', 'freetype-{0}'.format(LOCAL_FREETYPE_VERSION))

# Statically link to the locally-built freetype.

# This is certainly broken on Windows.

ext.include_dirs.insert(0, os.path.join(src_path, 'include'))

if sys.platform == 'win32':

libfreetype = 'libfreetype.lib'

else:

libfreetype = 'libfreetype.a'

ext.extra_objects.insert(

0, os.path.join(src_path, 'objs', '.libs', libfreetype))

ext.define_macros.append(('FREETYPE_BUILD_TYPE', 'local'))

else:

pkg_config.setup_extension(

ext, 'freetype2',

default_include_dirs=[

'include/freetype2', 'freetype2',

'lib/freetype2/include',

'lib/freetype2/include/freetype2'],

default_library_dirs=[

'freetype2/lib'],

default_libraries=['freetype', 'z'])

ext.define_macros.append(('FREETYPE_BUILD_TYPE', 'system'))

def do_custom_build(self):

# We're using a system freetype

if not options.get('local_freetype'):

return

src_path = os.path.join(

'build', 'freetype-{0}'.format(LOCAL_FREETYPE_VERSION))

# We've already built freetype

if sys.platform == 'win32':

libfreetype = 'libfreetype.lib'

else:

libfreetype = 'libfreetype.a'

# bailing because it is already built

if os.path.isfile(os.path.join(

src_path, 'objs', '.libs', libfreetype)):

return

# do we need to download / load the source from cache?

if not os.path.exists(src_path):

if not os.path.exists('build'):

os.makedirs('build')

url_fmts = [

('https://downloads.sourceforge.net/project/freetype'

'/freetype2/{version}/{tarball}'),

('https://download.savannah.gnu.org/releases/freetype'

'/{tarball}')

]

tarball = 'freetype-{0}.tar.gz'.format(LOCAL_FREETYPE_VERSION)

target_urls = [

url_fmt.format(version=LOCAL_FREETYPE_VERSION,

tarball=tarball)

for url_fmt in url_fmts]

for tarball_url in target_urls:

try:

tar_contents = download_or_cache(tarball_url,

LOCAL_FREETYPE_HASH)

break

except Exception:

pass

else:

raise IOError("Failed to download FreeType. Please download "

"one of {target_urls} and extract it into "

"{src_path} at the top-level of the source "

"repository".format(

target_urls=target_urls, src_path=src_path))

print("Extracting {}".format(tarball))

View remainder of file in raw view

matplotlib/setupext.py at master · eudoxos/matplotlib · GitHub

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