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setupext.py
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"""
Some helper functions for building the C extensions
you may need to edit basedir to point to the default location of your
required libs, eg, png, z, freetype
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
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'],
'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'],
'aix5' : ['/usr/local'],
}
import sys, os, stat
if sys.platform != 'win32':
import commands
from textwrap import fill
from distutils.core import Extension
import glob
import ConfigParser
import cStringIO
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_WXAGG = False
BUILT_WINDOWING = False
BUILT_CONTOUR = False
BUILT_DELAUNAY = False
BUILT_NXUTILS = False
BUILT_CONTOUR = False
BUILT_GDK = False
BUILT_PATH = 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_wxagg': 'auto',
'build_macosx': 'auto',
'build_image': True,
'build_windowing': True,
'backend': None}
# 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_wxagg'] = config.getboolean("gui_support", "wxagg")
except: options['build_wxagg'] = '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
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
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 = commands.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 = commands.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 = commands.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 basedir[sys.platform] ])
libdirs = filter(os.path.exists,
[os.path.join(p, 'lib') for p in basedir[sys.platform] ]+
[os.path.join(p, 'lib64') for p in basedir[sys.platform] ] )
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].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()[:-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]
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():
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]) >= 1:
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')
def check_for_wx():
gotit = False
explanation = None
try:
import wx
except ImportError:
explanation = 'wxPython not found'
else:
if getattr(wx, '__version__', '0.0')[0:3] >= '2.8':
print_status("wxPython", wx.__version__)
return True
elif sys.platform == 'win32' and win32_compiler == 'mingw32':
explanation = "The wxAgg extension can not be built using the mingw32 compiler on Windows, since the default wxPython binary is built using MS Visual Studio"
else:
wxconfig = find_wx_config()
if wxconfig is None:
explanation = """
WXAgg's accelerator requires `wx-config'.
The `wx-config\' executable could not be located in any directory of the
PATH environment variable. If you want to build WXAgg, and wx-config is
in some other location or has some other name, set the WX_CONFIG
environment variable to the full path of the executable like so:
export WX_CONFIG=/usr/lib/wxPython-2.6.1.0-gtk2-unicode/bin/wx-config
"""
elif not check_wxpython_broken_macosx104_version(wxconfig):
explanation = 'WXAgg\'s accelerator not building because a broken wxPython (installed by Apple\'s Mac OS X) was found.'
else:
gotit = True
if gotit:
module = Extension("test", [])
add_wx_flags(module, wxconfig)
if not find_include_file(
module.include_dirs,
os.path.join("wx", "wxPython", "wxPython.h")):
explanation = ("Could not find wxPython headers in any of %s" %
", ".join(["'%s'" % x for x in module.include_dirs]))
if gotit:
print_status("wxPython", wx.__version__)
else:
print_status("wxPython", "no")
if explanation is not None:
print_message(explanation)
return gotit
def find_wx_config():
"""If the WX_CONFIG environment variable has been set, returns it value.
Otherwise, search for `wx-config' in the PATH directories and return the
first match found. Failing that, return None.
"""
wxconfig = os.getenv('WX_CONFIG')
if wxconfig is not None:
return wxconfig
path = os.getenv('PATH') or ''
for dir in path.split(':'):
wxconfig = os.path.join(dir, 'wx-config')
if os.path.exists(wxconfig):
return wxconfig
return None
def check_wxpython_broken_macosx104_version(wxconfig):
"""Determines if we're using a broken wxPython installed by Mac OS X 10.4"""
if sys.platform == 'darwin':
if wxconfig == '/usr/bin/wx-config':
version_full = getoutput(wxconfig + ' --version-full')
if version_full == '2.5.3.1':
return False
return True
def add_wx_flags(module, wxconfig):
"""
Add the module flags to build extensions which use wxPython.
"""
if sys.platform == 'win32': # just added manually
wxlibs = ['wxexpath', 'wxjpegh', 'wxmsw26uh',
'wxmsw26uh_animate', 'wxmsw26uh_gizmos', 'wxmsw26uh_gizmos_xrc',
'wxmsw26uh_gl', 'wxmsw26uh_stc', 'wxpngh', 'wxregexuh', 'wxtiffh', 'wxzlibh']
module.libraries.extend(wxlibs)
module.libraries.extend(wxlibs)
return
get_pkgconfig(module, '', flags='--cppflags --libs', pkg_config_exec='wx-config')
# 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, e:
explanation = str(e)
gotit = False
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:
print_status("Tkinter", "Tkinter: %s, Tk: %s, Tcl: %s" %
(Tkinter.__version__.split()[-2], 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):
# This is where they live on Ubuntu Hardy (at least)
tcl_config = os.path.join(tcl_lib_dir, "tclConfig.sh")
tk_config = os.path.join(tk_lib_dir, "tkConfig.sh")
if not (os.path.exists(tcl_config) and os.path.exists(tk_config)):
# This is where they live on RHEL4 (at least)
tcl_config = "/usr/lib/tclConfig.sh"
tk_config = "/usr/lib/tkConfig.sh"
if not (os.path.exists(tcl_config) and os.path.exists(tk_config)):
return None
# These files are shell scripts that set a bunch of
# environment variables. To actually get at the
# values, we use ConfigParser, which supports almost
# the same format, but requires at least one section.
# So, we push a "[default]" section to a copy of the
# file in a StringIO object.
try:
tcl_vars_str = cStringIO.StringIO(
"[default]\n" + open(tcl_config, "r").read())
tk_vars_str = cStringIO.StringIO(
"[default]\n" + open(tk_config, "r").read())
except IOError:
# if we can't read the file, that's ok, we'll try
# to guess instead
return None
tcl_vars_str.seek(0)
tcl_vars = ConfigParser.RawConfigParser()
tk_vars_str.seek(0)
tk_vars = ConfigParser.RawConfigParser()
try:
tcl_vars.readfp(tcl_vars_str)
tk_vars.readfp(tk_vars_str)
except ConfigParser.ParsingError:
# if we can't read the file, that's ok, we'll try
# to guess instead
return None
try:
tcl_lib = tcl_vars.get("default", "TCL_LIB_SPEC")[1:-1].split()[0][2:]
tcl_inc = tcl_vars.get("default", "TCL_INCLUDE_SPEC")[3:-1]
tk_lib = tk_vars.get("default", "TK_LIB_SPEC")[1:-1].split()[0][2:]
if tk_vars.has_option("default", "TK_INCLUDE_SPEC"):
# On Ubuntu 8.04
tk_inc = tk_vars.get("default", "TK_INCLUDE_SPEC")[3:-1]
else:
# On RHEL4
tk_inc = tcl_inc
except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
return None
if not os.path.exists(os.path.join(tk_inc, 'tk.h')):
return None
return tcl_lib, tcl_inc, tk_lib, tk_inc
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, tk_lib, tk_inc
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, tk_lib, tk_inc
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 == 6:
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 = [