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

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"""

Some helper functions for building the C extensions

You may need to use the "basedirlist" option in setup.cfg to point

to the location of your required libs, eg, png, z, freetype,

overriding the settings hard-coded in the "basedir" directory

below.

DARWIN

I have installed all of the backends on OSX.

Tk: If you want to install TkAgg, I recommend the "batteries included"

binary build of Tcl/Tk at

http://www.apple.com/downloads/macosx/unix_open_source/tcltkaqua.html

GTK: I installed GTK from src as described at

http://www.macgimp.org/index.php?topic=gtk. There are several

packages, but all configure/make/make install w/o problem. In

addition to the packages listed there, You will also need libpng,

libjpeg, and libtiff if you want output to these formats from GTK.

WIN32 - MINGW

If you are sufficiently masochistic that you want to build this

yourself, download the win32_static dir from

http://matplotlib.sourceforge.net/win32_static.tar.gz and

see the README file in that dir

> python setup.py build --compiler=mingw32 bdist_wininst > build23.out

NOTE, if you are building on python24 on win32, see

http://mail.python.org/pipermail/python-list/2004-December/254826.html

WIN32 - VISUAL STUDIO 7.1 (2003)

This build is similar to the mingw. Download the visual studio static

dependencies from

http://matplotlib.sourceforge.net/win32_static_vs.tar.gz and

see the README in that dir

> python setup.py build --compiler=msvc bdist_wininst

"""

import os

import re

import subprocess

from distutils import sysconfig

basedir = {

'win32' : ['win32_static',],

'linux2-alpha' : ['/usr/local', '/usr'],

'linux2-hppa' : ['/usr/local', '/usr'],

'linux2-mips' : ['/usr/local', '/usr'],

'linux2-sparc' : ['/usr/local', '/usr'],

'linux2' : ['/usr/local', '/usr'],

'linux3' : ['/usr/local', '/usr'],

'linux' : ['/usr/local', '/usr',],

'cygwin' : ['/usr/local', '/usr',],

'_darwin' : ['/sw/lib/freetype2', '/sw/lib/freetype219', '/usr/local',

'/usr', '/sw'],

# it appears builds with darwin are broken because of all the

# different flags the deps can be compile with, so I am pushing

# people to :

# make -f make.osx fetch deps mpl_build mpl_install

'darwin' : [],

'freebsd4' : ['/usr/local', '/usr'],

'freebsd5' : ['/usr/local', '/usr'],

'freebsd6' : ['/usr/local', '/usr'],

'sunos5' : [os.getenv('MPLIB_BASE') or '/usr/local',],

'gnukfreebsd5' : ['/usr/local', '/usr'],

'gnukfreebsd6' : ['/usr/local', '/usr'],

'gnukfreebsd7' : ['/usr/local', '/usr'],

'gnukfreebsd8' : ['/usr/local', '/usr'],

'gnu0' : ['/usr'],

'aix5' : ['/usr/local'],

}

import sys, os, stat

from textwrap import fill

from distutils.core import Extension

import glob

if sys.version_info[0] < 3:

import ConfigParser as configparser

from cStringIO import StringIO

if sys.platform != 'win32':

from commands import getstatusoutput

else:

import configparser

from io import StringIO

if sys.platform != 'win32':

from subprocess import getstatusoutput

BUILT_PNG = False

BUILT_AGG = False

BUILT_FT2FONT = False

BUILT_TTCONV = False

BUILT_GTKAGG = False

BUILT_IMAGE = False

BUILT_MACOSX = False

BUILT_TKAGG = False

BUILT_WINDOWING = False

BUILT_CONTOUR = False

BUILT_DELAUNAY = False

BUILT_NXUTILS = False

BUILT_CONTOUR = False

BUILT_GDK = False

BUILT_PATH = False

BUILT_TRI = False

AGG_VERSION = 'agg24'

TCL_TK_CACHE = None

# for nonstandard installation/build with --prefix variable

numpy_inc_dirs = []

# matplotlib build options, which can be altered using setup.cfg

options = {'display_status': True,

'verbose': False,

'provide_pytz': 'auto',

'provide_dateutil': 'auto',

'build_agg': True,

'build_gtk': 'auto',

'build_gtkagg': 'auto',

'build_tkagg': 'auto',

'build_macosx': 'auto',

'build_image': True,

'build_windowing': True,

'backend': None,

'basedirlist': None}

defines = [

('PY_ARRAY_UNIQUE_SYMBOL', 'MPL_ARRAY_API'),

('PYCXX_ISO_CPP_LIB', '1')]

setup_cfg = os.environ.get('MPLSETUPCFG', 'setup.cfg')

# Based on the contents of setup.cfg, determine the build options

if os.path.exists(setup_cfg):

config = configparser.SafeConfigParser()

config.read(setup_cfg)

try: options['display_status'] = not config.getboolean("status", "suppress")

except: pass

try: options['verbose'] = not config.getboolean("status", "verbose")

except: pass

try: options['provide_pytz'] = config.getboolean("provide_packages", "pytz")

except: options['provide_pytz'] = 'auto'

try: options['provide_dateutil'] = config.getboolean("provide_packages",

"dateutil")

except: options['provide_dateutil'] = 'auto'

try: options['build_gtk'] = config.getboolean("gui_support", "gtk")

except: options['build_gtk'] = 'auto'

try: options['build_gtkagg'] = config.getboolean("gui_support", "gtkagg")

except: options['build_gtkagg'] = 'auto'

try: options['build_tkagg'] = config.getboolean("gui_support", "tkagg")

except: options['build_tkagg'] = 'auto'

try: options['build_macosx'] = config.getboolean("gui_support", "macosx")

except: options['build_macosx'] = 'auto'

try: options['backend'] = config.get("rc_options", "backend")

except: pass

try: options['basedirlist'] = config.get("directories", "basedirlist")

except: pass

# For get_base_flags:

if options['basedirlist']:

basedirlist = options['basedirlist'].split()

else:

basedirlist = basedir[sys.platform]

print("basedirlist is: %s" % basedirlist)

if options['display_status']:

def print_line(char='='):

print(char * 76)

def print_status(package, status):

initial_indent = "%22s: " % package

indent = ' ' * 24

print(fill(str(status), width=76,

initial_indent=initial_indent,

subsequent_indent=indent))

def print_message(message):

indent = ' ' * 24 + "* "

print(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-prototypesoption, is it's not valid for C++

customize_compiler = sysconfig.customize_compiler

def my_customize_compiler(compiler):

retval = customize_compiler(compiler)

try:

compiler.compiler_so.remove('-Wstrict-prototypes')

except (ValueError, AttributeError):

pass

return retval

sysconfig.customize_compiler = my_customize_compiler

def run_child_process(cmd):

p = subprocess.Popen(cmd, shell=True,

stdin=subprocess.PIPE,

stdout=subprocess.PIPE,

stderr=subprocess.STDOUT,

close_fds=(sys.platform != 'win32'))

return p.stdin, p.stdout

class CleanUpFile:

"""CleanUpFile deletes the specified filename when self is destroyed."""

def __init__(self, name):

self.name = name

def __del__(self):

os.remove(self.name)

def temp_copy(_from, _to):

"""temp_copy copies a named file into a named temporary file.

The temporary will be deleted when the setupext module is destructed.

"""

# Copy the file data from _from to _to

s = open(_from).read()

open(_to,"w+").write(s)

# Suppress object rebuild by preserving time stamps.

stats = os.stat(_from)

os.utime(_to, (stats.st_atime, stats.st_mtime))

# Make an object to eliminate the temporary file at exit time.

globals()["_cleanup_"+_to] = CleanUpFile(_to)

def get_win32_compiler():

# Used to determine mingw32 or msvc

# This is pretty bad logic, someone know a better way?

for v in sys.argv:

if 'mingw32' in v:

return 'mingw32'

return 'msvc'

win32_compiler = get_win32_compiler()

if sys.platform == 'win32' and win32_compiler == 'msvc':

std_libs = []

else:

std_libs = ['stdc++', 'm']

def has_pkgconfig():

if has_pkgconfig.cache is not None:

return has_pkgconfig.cache

if sys.platform == 'win32':

has_pkgconfig.cache = False

else:

#print 'environ', os.environ['PKG_CONFIG_PATH']

status, output = getstatusoutput("pkg-config --help")

has_pkgconfig.cache = (status == 0)

return has_pkgconfig.cache

has_pkgconfig.cache = None

def get_pkgconfig(module,

packages,

flags="--libs --cflags",

pkg_config_exec='pkg-config',

report_error=False):

"""Loosely based on an article in the Python Cookbook:

http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/502261"""

if not has_pkgconfig():

return False

_flags = {'-I': 'include_dirs',

'-L': 'library_dirs',

'-l': 'libraries',

'-D': 'define_macros',

'-U': 'undef_macros'}

cmd = "%s %s %s" % (pkg_config_exec, flags, packages)

status, output = getstatusoutput(cmd)

if status == 0:

for token in output.split():

attr = _flags.get(token[:2], None)

if attr is not None:

if token[:2] == '-D':

value = tuple(token[2:].split('='))

if len(value) == 1:

value = (value[0], None)

else:

value = token[2:]

set = getattr(module, attr)

if value not in set:

set.append(value)

else:

if token not in module.extra_link_args:

module.extra_link_args.append(token)

return True

if report_error:

print_status("pkg-config", "looking for %s" % packages)

print_message(output)

return False

def get_pkgconfig_version(package):

default = "found, but unknown version (no pkg-config)"

if not has_pkgconfig():

return default

status, output = getstatusoutput(

"pkg-config %s --modversion" % (package))

if status == 0:

return output

return default

def try_pkgconfig(module, package, fallback):

if not get_pkgconfig(module, package):

module.libraries.append(fallback)

def find_include_file(include_dirs, filename):

for d in include_dirs:

if os.path.exists(os.path.join(d, filename)):

return True

return False

def check_for_freetype():

module = Extension('test', [])

add_base_flags(module)

if not get_pkgconfig(module, 'freetype2'):

basedirs = module.include_dirs[:] # copy the list to avoid inf loop!

for d in basedirs:

module.include_dirs.append(os.path.join(d, 'freetype2'))

print_status("freetype2", get_pkgconfig_version('freetype2'))

if not find_include_file(module.include_dirs, 'ft2build.h'):

print_message(

"WARNING: Could not find 'freetype2' headers in any of %s." %

", ".join(["'%s'" % x for x in module.include_dirs]))

return True

def check_for_libpng():

module = Extension("test", [])

get_pkgconfig(module, 'libpng')

add_base_flags(module)

print_status("libpng", get_pkgconfig_version('libpng'))

if not find_include_file(module.include_dirs, 'png.h'):

print_message(

"Could not find 'libpng' headers in any of %s" %

", ".join(["'%s'" % x for x in module.include_dirs]))

return True

def add_base_flags(module):

incdirs = filter(os.path.exists,

[os.path.join(p, 'include') for p in basedirlist ])

libdirs = filter(os.path.exists,

[os.path.join(p, 'lib') for p in basedirlist ]+

[os.path.join(p, 'lib64') for p in basedirlist ] )

module.include_dirs.extend(incdirs)

module.include_dirs.append('.')

module.library_dirs.extend(libdirs)

def getoutput(s):

'get the output of a system command'

ret = os.popen(s).read().strip()

return ret

def convert_qt_version(version):

version = '%x'%version

temp = []

while len(version) > 0:

version, chunk = version[:-2], version[-2:]

temp.insert(0, str(int(chunk, 16)))

return '.'.join(temp)

def check_for_qt():

try:

import pyqtconfig

except ImportError:

print_status("Qt", "no")

return False

else:

try:

qt_version = pyqtconfig.Configuration().qt_version

qt_version = convert_qt_version(qt_version)

except AttributeError:

qt_version = "<unknown>"

print_status("Qt", "Qt: %s, PyQt: %s" %

(qt_version,

pyqtconfig.Configuration().pyqt_version_str))

return True

def check_for_qt4():

try:

from PyQt4 import pyqtconfig

except ImportError:

print_status("Qt4", "no")

return False

else:

print_status("Qt4", "Qt: %s, PyQt4: %s" %

(convert_qt_version(pyqtconfig.Configuration().qt_version),

pyqtconfig.Configuration().pyqt_version_str))

return True

def check_for_cairo():

try:

import cairo

except ImportError:

print_status("Cairo", "no")

return False

else:

print_status("Cairo", cairo.version)

return True

def check_for_datetime():

try:

import datetime

except ImportError:

print_status("datetime", "no")

return False

else:

print_status("datetime", "present, version unknown")

return True

def check_provide_pytz(hasdatetime=True):

if hasdatetime and (options['provide_pytz'] is True):

print_status("pytz", "matplotlib will provide")

return True

try:

import pytz

except ImportError:

if hasdatetime and options['provide_pytz']:

print_status("pytz", "matplotlib will provide")

return True

else:

print_status("pytz", "no")

return False

else:

if pytz.__version__.endswith('mpl'):

print_status("pytz", "matplotlib will provide")

return True

else:

print_status("pytz", pytz.__version__)

return False

def check_provide_dateutil(hasdatetime=True):

if hasdatetime and (options['provide_dateutil'] is True):

print_status("dateutil", "matplotlib will provide")

return True

try:

import dateutil

except ImportError:

if hasdatetime and options['provide_dateutil']:

print_status("dateutil", "matplotlib will provide")

return True

else:

print_status("dateutil", "no")

return False

else:

try:

if dateutil.__version__.endswith('mpl'):

print_status("dateutil", "matplotlib will provide")

return True

else:

print_status("dateutil", dateutil.__version__)

return False

except AttributeError:

print_status("dateutil", "present, version unknown")

return False

def check_for_dvipng():

try:

stdin, stdout = run_child_process('dvipng -version')

print_status("dvipng", stdout.readlines()[1].decode().split()[-1])

return True

except (IndexError, ValueError):

print_status("dvipng", "no")

return False

def check_for_ghostscript():

try:

if sys.platform == 'win32':

command = 'gswin32c --version'

else:

command = 'gs --version'

stdin, stdout = run_child_process(command)

print_status("ghostscript", stdout.read().decode()[:-1])

return True

except (IndexError, ValueError):

print_status("ghostscript", "no")

return False

def check_for_latex():

try:

stdin, stdout = run_child_process('latex -version')

line = stdout.readlines()[0].decode()

pattern = '(3\.1\d+)|(MiKTeX \d+.\d+)'

match = re.search(pattern, line)

print_status("latex", match.group(0))

return True

except (IndexError, ValueError, AttributeError):

print_status("latex", "no")

return False

def check_for_pdftops():

try:

stdin, stdout = run_child_process('pdftops -v')

for line in stdout.readlines():

line = line.decode()

if 'version' in line:

print_status("pdftops", line.split()[-1])

return True

except (IndexError, ValueError):

print_status("pdftops", "no")

return False

def check_for_numpy():

try:

import numpy

except ImportError:

print_status("numpy", "no")

print_message("You must install numpy 1.1 or later to build matplotlib.")

return False

nn = numpy.__version__.split('.')

if not (int(nn[0]) >= 1 and int(nn[1]) >= 1):

if not (int(nn[0]) >= 2):

print_message(

'numpy 1.1 or later is required; you have %s' %

numpy.__version__)

return False

module = Extension('test', [])

add_numpy_flags(module)

add_base_flags(module)

print_status("numpy", numpy.__version__)

if not find_include_file(module.include_dirs, os.path.join("numpy", "arrayobject.h")):

print_message("Could not find the headers for numpy. You may need to install the development package.")

return False

return True

def add_numpy_flags(module):

"Add the modules flags to build extensions which use numpy"

import numpy

module.include_dirs.append(numpy.get_include())

def add_png_flags(module):

try_pkgconfig(module, 'libpng', 'png')

add_base_flags(module)

add_numpy_flags(module)

module.libraries.append('z')

module.include_dirs.extend(['.'])

module.libraries.extend(std_libs)

def add_agg_flags(module):

'Add the module flags to build extensions which use agg'

# before adding the freetype flags since -z comes later

add_base_flags(module)

add_numpy_flags(module)

module.include_dirs.extend(['src', '%s/include'%AGG_VERSION, '.'])

# put these later for correct link order

module.libraries.extend(std_libs)

def add_ft2font_flags(module):

'Add the module flags to ft2font extension'

add_numpy_flags(module)

if not get_pkgconfig(module, 'freetype2'):

module.libraries.extend(['freetype', 'z'])

add_base_flags(module)

basedirs = module.include_dirs[:] # copy the list to avoid inf loop!

for d in basedirs:

module.include_dirs.append(os.path.join(d, 'freetype2'))

p = os.path.join(d, 'lib/freetype2/include')

if os.path.exists(p): module.include_dirs.append(p)

p = os.path.join(d, 'lib/freetype2/include/freetype2')

if os.path.exists(p): module.include_dirs.append(p)

basedirs = module.library_dirs[:] # copy the list to avoid inf loop!

for d in basedirs:

p = os.path.join(d, 'freetype2/lib')

if os.path.exists(p): module.library_dirs.append(p)

else:

add_base_flags(module)

module.libraries.append('z')

# put this last for library link order

module.libraries.extend(std_libs)

def check_for_gtk():

'check for the presence of pygtk'

gotit = False

explanation = None

try:

import gtk

except ImportError:

explanation = 'Building for Gtk+ requires pygtk; you must be able to "import gtk" in your build/install environment'

except RuntimeError:

explanation = 'pygtk present but import failed'

else:

version = (2,2,0)

if gtk.pygtk_version < version:

explanation = "Error: GTK backend requires PyGTK %d.%d.%d (or later), " \

"%d.%d.%d was detected." % (

version + gtk.pygtk_version)

else:

gotit = True

if gotit:

module = Extension('test', [])

add_pygtk_flags(module)

if not find_include_file(module.include_dirs, os.path.join("gtk", "gtk.h")):

explanation = (

"Could not find Gtk+ headers in any of %s" %

", ".join(["'%s'" % x for x in module.include_dirs]))

gotit = False

def ver2str(tup):

return ".".join([str(x) for x in tup])

if gotit:

import gobject

if hasattr(gobject, 'pygobject_version'):

pygobject_version = ver2str(gobject.pygobject_version)

else:

pygobject_version = '[pre-pygobject]'

print_status("Gtk+", "gtk+: %s, glib: %s, pygtk: %s, pygobject: %s" %

(ver2str(gtk.gtk_version), ver2str(gobject.glib_version),

ver2str(gtk.pygtk_version), pygobject_version))

else:

print_status("Gtk+", "no")

if explanation is not None:

print_message(explanation)

# Switch off the event loop for PyGTK >= 2.15.0

if gotit:

try:

gtk.set_interactive(False)

except AttributeError: # PyGTK < 2.15.0

pass

return gotit

def add_pygtk_flags(module):

'Add the module flags to build extensions which use gtk'

if sys.platform=='win32':

# popen broken on my win32 plaform so I can't use pkgconfig

module.library_dirs.extend(

['C:/GTK/bin', 'C:/GTK/lib'])

module.include_dirs.extend(

['win32_static/include/pygtk-2.0',

'C:/GTK/include',

'C:/GTK/include/gobject',

'C:/GTK/include/gmodule',

'C:/GTK/include/glib',

'C:/GTK/include/pango',

'C:/GTK/include/atk',

'C:/GTK/include/X11',

'C:/GTK/include/cairo',

'C:/GTK/include/gdk',

'C:/GTK/include/gdk-pixbuf',

'C:/GTK/include/gtk',

])

add_base_flags(module)

if 'PKG_CONFIG_PATH' not in os.environ:

# If Gtk+ is installed, pkg-config is required to be installed

os.environ['PKG_CONFIG_PATH'] = 'C:\GTK\lib\pkgconfig'

pygtkIncludes = getoutput('pkg-config --cflags-only-I pygtk-2.0').split()

gtkIncludes = getoutput('pkg-config --cflags-only-I gtk+-2.0').split()

includes = pygtkIncludes + gtkIncludes

module.include_dirs.extend([include[2:] for include in includes])

pygtkLinker = getoutput('pkg-config --libs pygtk-2.0').split()

gtkLinker = getoutput('pkg-config --libs gtk+-2.0').split()

linkerFlags = pygtkLinker + gtkLinker

module.libraries.extend(

[flag[2:] for flag in linkerFlags if flag.startswith('-l')])

module.library_dirs.extend(

[flag[2:] for flag in linkerFlags if flag.startswith('-L')])

module.extra_link_args.extend(

[flag for flag in linkerFlags if not

(flag.startswith('-l') or flag.startswith('-L'))])

# visual studio doesn't need the math library

if sys.platform == 'win32' and win32_compiler == 'msvc' and 'm' in module.libraries:

module.libraries.remove('m')

if sys.platform != 'win32':

# If Gtk+ is installed, pkg-config is required to be installed

add_base_flags(module)

ok = get_pkgconfig(module, 'pygtk-2.0 gtk+-2.0', report_error=True)

if not ok:

print_message(

"You may need to install 'dev' package(s) to provide header files.")

# visual studio doesn't need the math library

if sys.platform == 'win32' and win32_compiler == 'msvc' and 'm' in module.libraries:

module.libraries.remove('m')

# Make sure you use the Tk version given by Tkinter.TkVersion

# or else you'll build for a wrong version of the Tcl

# interpreter (leading to nasty segfaults).

def check_for_tk():

gotit = False

explanation = None

try:

import Tkinter

except ImportError:

explanation = 'TKAgg requires Tkinter'

except RuntimeError:

explanation = 'Tkinter present but import failed'

else:

if Tkinter.TkVersion < 8.3:

explanation = "Tcl/Tk v8.3 or later required"

else:

gotit = True

if gotit:

module = Extension('test', [])

try:

explanation = add_tk_flags(module)

except RuntimeError:

# This deals with the change in exception handling syntax in

# python 3. If we only need to support >= 2.6, we can just use the

# commented out lines below.

exc_type,exc,tb = sys.exc_info()

explanation = str(exc)

gotit = False

# except RuntimeError, e:

# explanation = str(e)

else:

if not find_include_file(module.include_dirs, "tk.h"):

message = 'Tkinter present, but header files are not found. ' + \

'You may need to install development packages.'

if explanation is not None:

explanation += '\n' + message

else:

explanation = message

gotit = False

if gotit:

try:

tk_v = Tkinter.__version__.split()[-2]

except (AttributeError, IndexError):

# Tkinter.__version__ has been removed in python 3

tk_v = 'version not identified'

print_status("Tkinter", "Tkinter: %s, Tk: %s, Tcl: %s" %

(tk_v, Tkinter.TkVersion, Tkinter.TclVersion))

else:

print_status("Tkinter", "no")

if explanation is not None:

print_message(explanation)

return gotit

def check_for_macosx():

gotit = False

import sys

if sys.platform=='darwin':

gotit = True

if gotit:

print_status("Mac OS X native", "yes")

else:

print_status("Mac OS X native", "no")

return gotit

def query_tcltk():

"""Tries to open a Tk window in order to query the Tk object about its library paths.

This should never be called more than once by the same process, as Tk intricacies

may cause the Python interpreter to hang. The function also has a workaround if

no X server is running (useful for autobuild systems)."""

global TCL_TK_CACHE

# Use cached values if they exist, which ensures this function only executes once

if TCL_TK_CACHE is not None:

return TCL_TK_CACHE

# By this point, we already know that Tkinter imports correctly

import Tkinter

tcl_lib_dir = ''

tk_lib_dir = ''

# First try to open a Tk window (requires a running X server)

try:

tk = Tkinter.Tk()

except Tkinter.TclError:

# Next, start Tcl interpreter without opening a Tk window (no need for X server)

# This feature is available in python version 2.4 and up

try:

tcl = Tkinter.Tcl()

except AttributeError: # Python version not high enough

pass

except Tkinter.TclError: # Something went wrong while opening Tcl

pass

else:

tcl_lib_dir = str(tcl.getvar('tcl_library'))

# Guess Tk location based on Tcl location

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

tail = tail.replace('Tcl', 'Tk').replace('tcl', 'tk')

tk_lib_dir = os.path.join(head, tail)

if not os.path.exists(tk_lib_dir):

tk_lib_dir = tcl_lib_dir.replace('Tcl', 'Tk').replace('tcl', 'tk')

else:

# Obtain Tcl and Tk locations from Tk widget

tk.withdraw()

tcl_lib_dir = str(tk.getvar('tcl_library'))

tk_lib_dir = str(tk.getvar('tk_library'))

tk.destroy()

# Save directories and version string to cache

TCL_TK_CACHE = tcl_lib_dir, tk_lib_dir, str(Tkinter.TkVersion)[:3]

return TCL_TK_CACHE

def parse_tcl_config(tcl_lib_dir, tk_lib_dir):

import Tkinter

tcl_poss = [tcl_lib_dir,

os.path.normpath(os.path.join(tcl_lib_dir, '..')),

"/usr/lib/tcl"+str(Tkinter.TclVersion),

"/usr/lib"]

tk_poss = [tk_lib_dir,

os.path.normpath(os.path.join(tk_lib_dir, '..')),

"/usr/lib/tk"+str(Tkinter.TkVersion),

"/usr/lib"]

for ptcl, ptk in zip(tcl_poss, tk_poss):

tcl_config = os.path.join(ptcl, "tclConfig.sh")

tk_config = os.path.join(ptk, "tkConfig.sh")

if (os.path.exists(tcl_config) and os.path.exists(tk_config)):

break

if not (os.path.exists(tcl_config) and os.path.exists(tk_config)):

return None

def get_var(file, varname):

p = subprocess.Popen(

'. %s ; eval echo ${%s}' % (file, varname),

shell=True,

executable="/bin/sh",

stdout=subprocess.PIPE)

result = p.communicate()[0]

return result

tcl_lib_dir = get_var(tcl_config, 'TCL_LIB_SPEC').split()[0][2:].strip()

tcl_inc_dir = get_var(tcl_config, 'TCL_INCLUDE_SPEC')[2:].strip()

tcl_lib = get_var(tcl_config, 'TCL_LIB_FLAG')[2:].strip()

tk_lib_dir = get_var(tk_config, 'TK_LIB_SPEC').split()[0][2:].strip()

tk_inc_dir = get_var(tk_config, 'TK_INCLUDE_SPEC').strip()

if tk_inc_dir == '':

tk_inc_dir = tcl_inc_dir

else:

tk_inc_dir = tk_inc_dir[2:]

tk_lib = get_var(tk_config, 'TK_LIB_FLAG')[2:].strip()

if not os.path.exists(os.path.join(tk_inc_dir, 'tk.h')):

return None

return tcl_lib_dir, tcl_inc_dir, tcl_lib, tk_lib_dir, tk_inc_dir, tk_lib

def guess_tcl_config(tcl_lib_dir, tk_lib_dir, tk_ver):

if not (os.path.exists(tcl_lib_dir) and os.path.exists(tk_lib_dir)):

return None

tcl_lib = os.path.normpath(os.path.join(tcl_lib_dir, '../'))

tk_lib = os.path.normpath(os.path.join(tk_lib_dir, '../'))

tcl_inc = os.path.normpath(os.path.join(tcl_lib_dir,

'../../include/tcl' + tk_ver))

if not os.path.exists(tcl_inc):

tcl_inc = os.path.normpath(os.path.join(tcl_lib_dir,

'../../include'))

tk_inc = os.path.normpath(os.path.join(tk_lib_dir,

'../../include/tk' + tk_ver))

if not os.path.exists(tk_inc):

tk_inc = os.path.normpath(os.path.join(tk_lib_dir,

'../../include'))

if not os.path.exists(os.path.join(tk_inc, 'tk.h')):

tk_inc = tcl_inc

if not os.path.exists(tcl_inc):

# this is a hack for suse linux, which is broken

if (sys.platform.startswith('linux') and

os.path.exists('/usr/include/tcl.h') and

os.path.exists('/usr/include/tk.h')):

tcl_inc = '/usr/include'

tk_inc = '/usr/include'

if not os.path.exists(os.path.join(tk_inc, 'tk.h')):

return None

return tcl_lib, tcl_inc, 'tcl' + tk_ver, tk_lib, tk_inc, 'tk' + tk_ver

def hardcoded_tcl_config():

tcl_inc = "/usr/local/include"

tk_inc = "/usr/local/include"

tcl_lib = "/usr/local/lib"

tk_lib = "/usr/local/lib"

return tcl_lib, tcl_inc, 'tcl', tk_lib, tk_inc, 'tk'

def add_tk_flags(module):

'Add the module flags to build extensions which use tk'

message = None

if sys.platform == 'win32':

major, minor1, minor2, s, tmp = sys.version_info

if major == 2 and minor1 in [6, 7]:

module.include_dirs.extend(['win32_static/include/tcl85'])

module.libraries.extend(['tk85', 'tcl85'])

elif major == 2 and minor1 in [3, 4, 5]:

module.include_dirs.extend(['win32_static/include/tcl84'])

module.libraries.extend(['tk84', 'tcl84'])

elif major == 2 and minor1 == 2:

module.include_dirs.extend(['win32_static/include/tcl83'])

module.libraries.extend(['tk83', 'tcl83'])

else:

raise RuntimeError('No tk/win32 support for this python version yet')

module.library_dirs.extend([os.path.join(sys.prefix, 'dlls')])

elif sys.platform == 'darwin':

# this config section lifted directly from Imaging - thanks to

# the effbot!

# First test for a MacOSX/darwin framework install

from os.path import join, exists

framework_dirs = [

join(os.getenv('HOME'), '/Library/Frameworks'),

'/Library/Frameworks',

'/System/Library/Frameworks/',

]

# Find the directory that contains the Tcl.framework and Tk.framework

# bundles.

# XXX distutils should support -F!

tk_framework_found = 0

for F in framework_dirs:

# both Tcl.framework and Tk.framework should be present

for fw in 'Tcl', 'Tk':

if not exists(join(F, fw + '.framework')):

break

else:

# ok, F is now directory with both frameworks. Continure

# building

tk_framework_found = 1

break

if tk_framework_found:

# For 8.4a2, we must add -I options that point inside the Tcl and Tk

# frameworks. In later release we should hopefully be able to pass

# the -F option to gcc, which specifies a framework lookup path.

tk_include_dirs = [

join(F, fw + '.framework', H)

for fw in ('Tcl', 'Tk')

for H in ('Headers', 'Versions/Current/PrivateHeaders')

]

# For 8.4a2, the X11 headers are not included. Rather than include a

# complicated search, this is a hard-coded path. It could bail out

# if X11 libs are not found...

# tk_include_dirs.append('/usr/X11R6/include')

frameworks = ['-framework', 'Tcl', '-framework', 'Tk']

module.include_dirs.extend(tk_include_dirs)

module.extra_link_args.extend(frameworks)

module.extra_compile_args.extend(frameworks)

# you're still here? ok we'll try it this way...

else:

success = False

# There are 3 methods to try, in decreasing order of "smartness"

# 1. Parse the tclConfig.sh and tkConfig.sh files that have

# all the information we need

# 2. Guess the include and lib dirs based on the location of

# Tkinter's 'tcl_library' and 'tk_library' variables.

# 3. Use some hardcoded locations that seem to work on a lot

# of distros.

# Query Tcl/Tk system for library paths and version string

try:

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