File: configure.py

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# This script generates the PyQt configuration and generates the Makefiles.
#
# Copyright (c) 2005
# 	Riverbank Computing Limited <info@riverbankcomputing.co.uk>
# 
# This file is part of PyQt.
# 
# This copy of PyQt is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2, or (at your option) any later
# version.
# 
# PyQt is supplied in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
# 
# You should have received a copy of the GNU General Public License along with
# PyQt; see the file LICENSE.  If not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


import sys
import os
import string
import glob
import getopt
import shutil
import py_compile

import sipconfig

topsrcdir = os.path.dirname(os.path.abspath(__file__))
has_objdir = topsrcdir != os.path.abspath(os.path.curdir)
if not has_objdir:
    topsrcdir = None
    
def srcPath(filename):
    if topsrcdir is not None:
        return os.path.join(topsrcdir, filename)
    return filename

# Initialise the globals.
pyqt_version = 0x031000
pyqt_version_str = "3.16"

sip_min_version = 0x040400


# Try and find a Qt installation to use as the default.
try:
    qt_dir = os.environ["QTDIR"]
except KeyError:
    qt_dir = ""


qt_version = 0
qt_edition = ""
qt_incdir = None
qt_libdir = None
qt_threaded = 0
qt_winconfig = ""

pyqt = None
pyqt_modules = []
qt_sip_flags = []
qtext_sip_flags = []
qtpe_sip_flags = []
qsci_version = 0
disabled_classes = []

if sys.platform == "win32":
    qsci_define = "QEXTSCINTILLA_DLL"
else:
    qsci_define = ""

# Get the SIP configuration.
sipcfg = sipconfig.Configuration()

# Command line options.
opt_qtlib = None
opt_qconfigdir = None
opt_pyqtbindir = sipcfg.default_bin_dir
opt_pyqtmoddir = sipcfg.default_mod_dir
opt_pyqtsipdir = sipcfg.default_sip_dir
opt_qtpetag = None
opt_qsciincdir = None
opt_qscilibdir = None
opt_static = 0
opt_debug = 0
opt_concat = 0
opt_split = 1
opt_tracing = 0
opt_verbose = 0
opt_keepfeatures = 0

opt_vendorcheck = 0
opt_vendincdir = sipcfg.py_inc_dir
opt_vendlibdir = sipcfg.py_lib_dir


def usage(rcode = 2):
    """Display a usage message and exit.

    rcode is the return code passed back to the calling process.
    """
    if qt_dir:
        def_qt_dir = qt_dir
    else:
        def_qt_dir = "none"

    print "Usage:"
    print "    python configure.py [-h] [-a tag] [-b dir] [-c] [-d dir] [-f] [-g dir] [-i] [-j #] [-k] [-l dir] [-m dir] [-n dir] [-o dir] [-q dir] [-r] [-s] [-u] [-v dir] [-w] [-y lib] option=value option+=value ..."
    print "where:"
    print "  -h      display this help message"
    print "  -a tag  explicitly enable the qtpe module"
    print "  -b dir  where pyuic and pylupdate will be installed [default %s]" % opt_pyqtbindir
    print "  -c      concatenate each module's C/C++ source files"
    print "  -d dir  where the PyQt modules will be installed [default %s]" % opt_pyqtmoddir
    print "  -f      keep any existing features file (when cross-compiling) [default remove]"
    print "  -g dir  where the Qt qconfig.h file can be found [default Qt include directory]"
    print "  -i      enable checking of signed interpreters using the VendorID package [default disabled]"
    print "  -j #    split the concatenated C++ source files into # pieces [default 1]"
    print "  -k      build the PyQt modules as static libraries"
    print "  -l dir  the directory containing the VendorID header file [default %s]" % opt_vendincdir
    print "  -m dir  the directory containing the VendorID library [default %s]" % opt_vendlibdir
    print "  -n dir  the directory containing the QScintilla header files [default Qt include directory]"
    print "  -o dir  the directory containing the QScintilla library [default Qt lib directory]"
    print "  -q dir  the root directory of the Qt installation [default %s]" % def_qt_dir
    print "  -r      generate code with tracing enabled [default disabled]"
    print "  -s      QScintilla is a static library and not a DLL (Windows only)"
    print "  -u      build with debugging symbols"
    print "  -v dir  where the PyQt .sip files will be installed [default %s]" % opt_pyqtsipdir
    print "  -w      don't suppress compiler output during configuration"
    print "  -y lib  explicitly specify the type of Qt library, either qt, qt-mt, qte, qte-mt or qtmt"

    sys.exit(rcode)


class ConfigureBase:
    """This is the base class for all PyQt version specific configurer classes.
    Anything here is common to all configurers.
    """
    def check_modules(self):
        """Check which modules should be built and add them to the global list.

        Returns the name of any additional library that needs to be linked with
        the main module.
        """
        return None

    def sip_flags(self):
        """Get the configuration specific SIP flags.

        Returns a list of flags.
        """
        return []

    def qt_version_tags(self):
        """Get the versions tags for the configuration.

        Returns a dictionary of versions and corresponding tags.
        """
        return {}

    def code(self, extra_include_dirs, extra_lib_dir, extra_libs):
        """Generate the code for a configuration.

        extra_include_dirs is a list of directories to add to those supplied by
        the SIP configuration.
        extra_lib_dir is an optional directory to add to those supplied by the
        SIP configuration.
        extra_lib_dirs is an optional list of directories to add to those
        supplied by the SIP configuration.
        """
        pass

    def tools(self):
        """Create the Makefiles for any other sub-directories and return a list
        of those directories.

        Returns a list of sub-directories with Makefile.
        """
        return []

    def module_dir(self):
        """Return the configuration's module directory.
        """
        return opt_pyqtmoddir

    def module_installs(self):
        """Return a list of files to install in the module directory other than
        the modules themselves.
        """
        return ["pyqtconfig.py"]

    def sip_dir(self):
        """Return the configuration's .sip files directory.
        """
        return opt_pyqtsipdir


class ConfigurePyQt3(ConfigureBase):
    """This class defines the methods to configure PyQt v3.
    """
    def check_modules(self):
        pyqt_modules.append("qt")

        check_module("qtcanvas", "qcanvas.h", "QCanvas()")
        check_module("qtnetwork", "qsocket.h", "QSocket()")
        check_module("qttable", "qtable.h", "QTable()")
        check_module("qtxml", "qdom.h", "QDomImplementation()")
        check_module("qtgl", "qgl.h", "QGLWidget()", opengl=1)

        if qt_version >= 0x030000:
            check_module("qtui", "qwidgetfactory.h", "QWidgetFactory()", lib="qui")

            if qt_edition in ("enterprise", "free"):
                check_module("qtsql", "qsql.h", "QSql()")

                if sys.platform == "win32" and sipcfg.sip_version >= 0x040200:
                    check_module("qtaxcontainer", "qaxobject.h", "QAxObject()", lib="qaxcontainer")

        if qsci_version:
            check_module("qtext", "qextscintillabase.h", "QextScintillaBase()", define=qsci_define, include_dir=opt_qsciincdir, lib_dir=opt_qscilibdir, lib="qscintilla")

        if opt_qtpetag:
            pyqt_modules.append("qtpe")

        qtmod_lib = None

        if qt_version >= 0x030100:
            sipconfig.inform("Checking to see if the QAssistantClient class is available...")

            if check_class("qassistantclient.h", "QAssistantClient(\"foo\")", lib="qassistantclient"):
                qtmod_lib = "qassistantclient"
            else:
                disabled_classes.append("QAssistantClient")

        return qtmod_lib

    def sip_flags(self):
        return get_feature_flags()

    def qt_version_tags(self):
        return {
            0x010403: None,
            0x020000: "Qt_1_43",
            0x020100: "Qt_2_00",
            0x020200: "Qt_2_1_0",
            0x020300: "Qt_2_2_0",
            0x020301: "Qt_2_3_0",
            0x030000: "Qt_2_3_1",
            0x030001: "Qt_3_0_0",
            0x030002: "Qt_3_0_1",
            0x030004: "Qt_3_0_2",
            0x030005: "Qt_3_0_4",
            0x030006: "Qt_3_0_5",
            0x030100: "Qt_3_0_6",
            0x030101: "Qt_3_1_0",
            0x030102: "Qt_3_1_1",
            0x030200: "Qt_3_1_2",
            0x030300: "Qt_3_2_0",
            0x030305: "Qt_3_3_0",
            0x030306: "Qt_3_3_5",
            0x040000: "Qt_3_3_6"
        }

    def code(self, extra_include_dirs, extra_lib_dir, extra_libs):
        debian_cflags = os.environ.get("CXXFLAGS", "-O2")
        generate_code("qt", extra_include_dirs=extra_include_dirs, extra_lib_dir=extra_lib_dir, extra_libs=extra_libs, extra_cxxflags=debian_cflags, extra_cflags=debian_cflags)

        if "qtext" in pyqt_modules:
            generate_code("qtext", extra_define=qsci_define, extra_include_dirs=[opt_qsciincdir], extra_lib_dir=opt_qscilibdir, extra_libs=["qscintilla"], sip_flags=qtext_sip_flags)

        if "qtgl" in pyqt_modules:
            generate_code("qtgl", opengl=1)

        if "qtpe" in pyqt_modules:
            generate_code("qtpe", extra_libs=["qpe"], sip_flags=qtpe_sip_flags)

        if "qtui" in pyqt_modules:
            generate_code("qtui", extra_libs=["qui"])

        if "qtaxcontainer" in pyqt_modules:
            generate_code("qtaxcontainer", extra_libs=["qaxcontainer"])

        # The rest don't need special handling.
        for m in ("qtcanvas", "qtnetwork", "qtsql", "qttable", "qtxml"):
            if m in pyqt_modules:
                generate_code(m)

    def tools(self):
        tool_dirs = []

        if qt_version >= 0x030000:
            # The Professional Edition needs special handling.
            prof = (qt_edition == "professional")

            sipconfig.inform("Creating pyuic Makefile...")

            if prof or "qtxml" not in pyqt_modules:
                buildfile= "pyuic-prof.sbf"

                for xml in ("qdom.cpp", "qxml.cpp"):
                    shutil.copyfile(qt_dir + "/src/xml/" + xml, "pyuic3/" + xml)
            else:
                buildfile= "pyuic.sbf"

            makefile = sipconfig.ProgramMakefile(
                configuration=sipcfg,
                build_file=buildfile,
                dir="pyuic3",
                install_dir=opt_pyqtbindir,
                console=1,
                qt=1,
                warnings=1,
                topsrcdir=topsrcdir
            )

            makefile.extra_defines.append("UIC")
            makefile.extra_defines.append("QT_INTERNAL_XML")

            if prof or "qtxml" not in pyqt_modules:
                makefile.extra_defines.append("QT_MODULE_XML")

            if qt_version < 0x030100:
                makefile.extra_include_dirs.append(qt_dir + "/src/3rdparty/zlib")

            if has_objdir:
                makefile.extra_include_dirs.append(srcPath("pyuic3"))
            try:
                os.mkdir("pyuic3")
            except OSError, e:
                if e.errno != 17:
                    raise e
            
            makefile.generate()
            tool_dirs.append("pyuic3")

            sipconfig.inform("Creating pylupdate Makefile...")

            if prof or "qtxml" not in pyqt_modules:
                buildfile= "pylupdate-prof.sbf"

                shutil.copyfile(qt_dir + "/src/xml/qxml.cpp", "pylupdate3/qxml.cpp")
            else:
                buildfile= "pylupdate.sbf"

            makefile = sipconfig.ProgramMakefile(
                configuration=sipcfg,
                build_file=buildfile,
                dir="pylupdate3",
                install_dir=opt_pyqtbindir,
                console=1,
                qt=1,
                warnings=1,
                topsrcdir=topsrcdir
            )

            makefile.extra_defines.append("QT_INTERNAL_XML")

            if prof or "qtxml" not in pyqt_modules:
                makefile.extra_defines.append("QT_MODULE_XML")

            if has_objdir:
                makefile.extra_include_dirs.append(srcPath("pylupdate3"))
                try:
                    os.mkdir("pylupdate3")
                except OSError, e:
                    if e.errno != 17:
                        raise e           

            makefile.generate()
            tool_dirs.append("pylupdate3")
        elif qt_version >= 0x020000:
            sipconfig.inform("Creating pyuic Makefile...")

            makefile = sipconfig.ProgramMakefile(
                configuration=sipcfg,
                build_file="pyuic.sbf",
                dir="pyuic2",
                install_dir=opt_pyqtbindir,
                console=1,
                qt=1,
                warnings=1
            )

            makefile.extra_defines.append("UIC")
            makefile.extra_include_dirs.append(qt_dir + "/src/3rdparty/zlib")

            makefile.generate()
            tool_dirs.append("pyuic2")

        return tool_dirs


def inform_user():
    """Tell the user the option values that are going to be used.
    """
    if qt_edition:
        edstr = qt_edition + " edition "
    else:
        edstr = ""

    sipconfig.inform("Qt v%s %sis being used." % (sipconfig.version_to_string(qt_version), edstr))
    sipconfig.inform("SIP %s is being used." % sipcfg.sip_version_str)
    sipconfig.inform("These PyQt modules will be built: %s." % string.join(pyqt_modules))

    if disabled_classes:
        sipconfig.inform("Support for these Qt classes has been disabled: %s." % string.join(disabled_classes))

    sipconfig.inform("The PyQt modules will be installed in %s." % opt_pyqtmoddir)
    sipconfig.inform("The PyQt .sip files will be installed in %s." % opt_pyqtsipdir)

    sipconfig.inform("The Qt header files are in %s." % qt_incdir)
    sipconfig.inform("The %s Qt library is in %s." % (opt_qtlib, qt_libdir))

    if qt_version >= 0x020000:
        sipconfig.inform("pyuic will be installed in %s." % opt_pyqtbindir)

    if qt_version >= 0x030000:
        sipconfig.inform("pylupdate will be installed in %s." % opt_pyqtbindir)

    if opt_vendorcheck:
        sipconfig.inform("PyQt will only be usable with signed interpreters.")


def create_config(module, template, macros):
    """Create the PyQt configuration module so that it can be imported by build
    scripts.

    module is the module file name.
    template is the template file name.
    macros is the dictionary of platform specific build macros.
    """
    sipconfig.inform("Creating %s..." % module)

    content = {
        "pyqt_version":       pyqt_version,
        "pyqt_version_str":   pyqt_version_str,
        "pyqt_bin_dir":       opt_pyqtbindir,
        "pyqt_mod_dir":       opt_pyqtmoddir,
        "pyqt_sip_dir":       opt_pyqtsipdir,
        "pyqt_modules":       pyqt_modules,
        "pyqt_qt_sip_flags":  qt_sip_flags,
        "qt_version":         qt_version,
        "qt_edition":         qt_edition,
        "qt_winconfig":       qt_winconfig,
        "qt_framework":       0,
        "qt_threaded":        qt_threaded,
        "qt_dir":             qt_dir,
        "qt_inc_dir":         qt_incdir,
        "qt_lib":             opt_qtlib,
        "qt_lib_dir":         qt_libdir
    }

    if "qtaxcontainer" in pyqt_modules:
        content["pyqt_qtaxcontainer_sip_flags"] = qt_sip_flags

    if "qtcanvas" in pyqt_modules:
        content["pyqt_qtcanvas_sip_flags"] = qt_sip_flags

    if "qtext" in pyqt_modules:
        content["pyqt_qtext_sip_flags"] = qtext_sip_flags

        # These are internal.
        content["_pyqt_qscintilla_defines"] = qsci_define
        content["_pyqt_qscintilla_inc_dir"] = opt_qsciincdir
        content["_pyqt_qscintilla_lib_dir"] = opt_qscilibdir

    if "qtgl" in pyqt_modules:
        content["pyqt_qtgl_sip_flags"] = qt_sip_flags

    if "qtnetwork" in pyqt_modules:
        content["pyqt_qtnetwork_sip_flags"] = qt_sip_flags

    if "qtpe" in pyqt_modules:
        content["pyqt_qtpe_sip_flags"] = qtpe_sip_flags

    if "qtsql" in pyqt_modules:
        content["pyqt_qtsql_sip_flags"] = qt_sip_flags

    if "qttable" in pyqt_modules:
        content["pyqt_qttable_sip_flags"] = qt_sip_flags

    if "qtui" in pyqt_modules:
        content["pyqt_qtui_sip_flags"] = qt_sip_flags

    if "qtxml" in pyqt_modules:
        content["pyqt_qtxml_sip_flags"] = qt_sip_flags

    sipconfig.create_config_module(module, template, content, macros)


def compile_qt_program(name, define=None, include_dir=None, lib_dir=None, lib=None, opengl=0, python=0, debug=0):
    """Compile a simple Qt application.

    name is the name of the single source file.
    define is a name to add to the list of preprocessor defines.
    include_dir is the name of a directory to add to the list of include
    directories.
    lib_dir is the name of a directory to add to the list of library
    directories.
    lib is the name of a library to add to the list of libraries.
    opengl is set if the application uses OpenGL.
    python is set if the application #includes Python.h.
    debug is set if this is a debug build.

    Returns the name of the executable suitable for running or None if it
    wasn't created.
    """
    makefile = sipconfig.ProgramMakefile(sipcfg, console=1, qt=1, warnings=0, opengl=opengl, python=python, debug=debug)

    if define:
        makefile.extra_defines.append(define)

    if include_dir:
        makefile.extra_include_dirs.append(include_dir)

    if lib_dir:
        makefile.extra_lib_dirs.append(lib_dir)

    if lib:
        makefile.extra_libs.append(lib)

    exe, build = makefile.build_command(name)

    # Make sure the executable file doesn't exist.
    try:
        os.remove(exe)
    except OSError:
        pass

    if not opt_verbose and hasattr(os, "popen4"):
        fin, fout = os.popen4(build)

        # Read stdout and stderr until there is no more output.
        lout = fout.readline()
        while lout:
            lout = fout.readline()

        fin.close()
        fout.close()

        try:
            os.wait()
        except AttributeError:
            pass
    else:
        os.system(build)

    if not os.access(exe, os.X_OK):
        return None

    if sys.platform != "win32":
        exe = "./" + exe

    return exe


def check_qscintilla():
    """See if QScintilla can be found and what its version is.
    """
    # Set the defaults if they haven't been explicitly specified.
    global opt_qsciincdir, opt_qscilibdir

    if opt_qsciincdir is None:
        opt_qsciincdir = qt_incdir

    if opt_qscilibdir is None:
        opt_qscilibdir = qt_libdir

    # Find the QScintilla header files.
    sciglobal = os.path.join(opt_qsciincdir, "qextscintillaglobal.h")

    if os.access(sciglobal, os.F_OK):
        # Get the QScintilla version number.
        global qsci_version

        qsci_version, sciversstr = sipconfig.read_version(sciglobal, "QScintilla", "QSCINTILLA_VERSION", "QSCINTILLA_VERSION_STR")

        if glob.glob(os.path.join(opt_qscilibdir, "*qscintilla*")):
            sipconfig.inform("QScintilla %s is being used." % sciversstr)

            # If we find a snapshot then set a negative version number as a
            # special case.
            if sciversstr[:8] == "snapshot":
                qsci_version = -1
        else:
            sipconfig.inform("The QScintilla library could not be found in %s and so the qtext module will not be built. If QScintilla is installed then use the -o argument to explicitly specify the correct directory." % opt_qscilibdir)
    else:
        sipconfig.inform("qextscintillaglobal.h could not be found in %s and so the qtext module will not be built. If QScintilla is installed then use the -n argument to explicitly specify the correct directory." % opt_qsciincdir)


def check_vendorid():
    """See if the VendorID library and include file can be found.
    """
    global opt_vendorcheck

    if opt_vendorcheck:
        if os.access(os.path.join(opt_vendincdir, "vendorid.h"), os.F_OK):
            if glob.glob(os.path.join(opt_vendlibdir, "*vendorid*")):
                sipconfig.inform("The VendorID package was found.")
            else:
                opt_vendorcheck = 0
                sipconfig.inform("The VendorID library could not be found in %s and so signed interpreter checking will be disabled. If the VendorID library is installed then use the -m argument to explicitly specify the correct directory." % opt_vendlibdir)
        else:
            opt_vendorcheck = 0
            sipconfig.inform("vendorid.h could not be found in %s and so signed interpreter checking will be disabled. If the VendorID package is installed then use the -l argument to explicitly specify the correct directory." % opt_vendincdir)


def check_module(mname, incfile, ctor, define=None, include_dir=None, lib_dir=None, lib=None, opengl=0):
    """See if a module can be built and, if so, add it to the global list of
    modules.

    mname is the name of the module.
    incfile is the name of the include file needed for the test.
    ctor is the C++ constructor of the class being used for the test.
    define is a name to add to the list of preprocessor defines.
    include_dir is the name of a directory to add to the list of include
    directories.
    lib_dir is the name of a directory to add to the list of library
    directories.
    lib is the name of a library to add to the list of libraries.
    opengl is set if the application uses OpenGL.
    """
    # Check the module's main .sip file exists.
    if os.access(srcPath(os.path.join("sip", mname, mname + "mod.sip")), os.F_OK):
        sipconfig.inform("Checking to see if the %s module should be built..." % mname)

        if check_class(incfile, ctor, define, include_dir, lib_dir, lib, opengl):
            pyqt_modules.append(mname)


def check_class(incfile, ctor, define=None, include_dir=None, lib_dir=None, lib=None, opengl=0):
    """Return non-zero if a class is available.

    incfile is the name of the include file needed for the test.
    ctor is the C++ constructor of the class.
    define is a name to add to the list of preprocessor defines.
    include_dir is the name of a directory to add to the list of include
    directories.
    lib_dir is the name of a directory to add to the list of library
    directories.
    lib is the name of a library to add to the list of libraries.
    opengl is set if the application uses OpenGL.
    """
    cfgtest = "cfgtest.cpp"

    f = open(cfgtest, "w")

    f.write("""#include <%s>

int main(int argc, char **argv)
{
    new %s;
}
""" % (incfile, ctor))

    f.close()

    return compile_qt_program(cfgtest, define, include_dir, lib_dir, lib, opengl)


def check_plugin(cname, incfile):
    """Return non-zero if a class that might be a plugin is in the main Qt
    library.

    cname is the name of the class.
    incfile is the name of the include file needed for the test.
    """
    sipconfig.inform("Checking to see if the %s class is built in..." % cname)

    return check_class(incfile, cname + "()")


def create_features_file(name):
    """Create the features file.

    name is the name of the features file in the current directory.
    """
    # The features that a given Qt configuration may or may not support.  Note
    # that STYLE_WINDOWSXP and ASSISTANTCLIENT require special handling.
    flist = ["ACTION", "CLIPBOARD", "CODECS", "COLORDIALOG", "DATASTREAM",
             "DIAL", "DNS", "DOM", "DRAGANDDROP", "ICONVIEW", "IMAGE_TEXT",
             "INPUTDIALOG", "FILEDIALOG", "FONTDATABASE", "FONTDIALOG",
             "MESSAGEBOX", "MIMECLIPBOARD",
             "NETWORKPROTOCOL", "NETWORKPROTOCOL_FTP", "NETWORKPROTOCOL_HTTP",
             "PICTURE", "PRINTDIALOG", "PRINTER", "PROGRESSDIALOG",
             "PROPERTIES",
             "SEMIMODAL", "SIZEGRIP", "SOUND", "SPLITTER", "STYLE_CDE",
             "STYLE_INTERLACE", "STYLE_MOTIF", "STYLE_MOTIFPLUS",
             "STYLE_PLATINUM", "STYLE_SGI", "STYLE_WINDOWS",
             "TABDIALOG", "TABLE", "TABLEVIEW", "TRANSFORMATIONS",
             "TRANSLATION", "WIZARD", "WORKSPACE"]

    # Generate the program which will generate the features file.
    f = open("mkfeatures.cpp", "w")

    f.write(
"""#include <Python.h>
#include <stdio.h>
#include <qglobal.h>
#include <qapplication.h>

int main(int argc,char **argv)
{
    FILE *fp;
    QApplication app(argc,argv,0);

    if ((fp = fopen("%s","w")) == NULL)
    {
        printf("Unable to create '%s'\\n");
        return 1;
    }

#if !defined(WITH_THREAD) || !defined(QT_THREAD_SUPPORT)
    fprintf(fp,"-x Qt_THREAD_SUPPORT\\n");
#endif

#if !defined(Q_WS_WIN) || QT_VERSION < 0x030000 || defined(QT_NO_STYLE_WINDOWSXP)
    fprintf(fp,"-x Qt_STYLE_WINDOWSXP\\n");
#endif
""" % (name, name))

    for feat in flist:
        f.write(
"""
#if defined(QT_NO_%s)
    fprintf(fp,"-x Qt_%s\\n");
#endif
""" % (feat, feat))

    # Disable QAssistantClient for the Professional Edition.
    if "QAssistantClient" in disabled_classes:
        f.write(
"""
    fprintf(fp,"-x Qt_ASSISTANTCLIENT\\n");
""")

    f.write(
"""
    fclose(fp);

    return 0;
}
""")

    f.close()

    # Build the program.
    exe = compile_qt_program("mkfeatures.cpp", include_dir=sipcfg.py_inc_dir, python=1, debug=opt_debug)
    if not exe:
        sipconfig.error("Unable to build mkfeatures utility.")

    os.system(exe)

    # Check the file was created.
    if not os.access(name, os.F_OK):
        sipconfig.error("There was an error creating the features file.")

    # Check what features have been implemented as plugins and disable them.
    plugins = [("STYLE_CDE",       "qcdestyle.h",       "QCDEStyle"),
               ("STYLE_INTERLACE", "qinterlacestyle.h", "QInterlaceStyle"),
               ("STYLE_MOTIF",     "qmotifstyle.h",     "QMotifStyle"),
               ("STYLE_MOTIFPLUS", "qmotifplusstyle.h", "QMotifPlusStyle"),
               ("STYLE_PLATINUM",  "qplatinumstyle.h",  "QPlatinumStyle"),
               ("STYLE_SGI",       "qsgistyle.h",       "QSGIStyle"),
               ("STYLE_WINDOWSXP", "qwindowsxpstyle.h", "QWindowsXPStyle"),
               ("STYLE_WINDOWS",   "qwindowsstyle.h",   "QWindowsStyle")]

    f = open(name, "a")

    for (feat, incfile, cname) in plugins:
        if not check_plugin(cname, incfile):
            f.write("-x Qt_%s\n" % feat)
            disabled_classes.append(cname)

    f.close()


def get_feature_flags():
    """Return the list of SIP flags that exclude unsupported Qt features.
    """
    featfile = "features"

    # Create the features file if it doesn't exist and we are not keeping it.
    if opt_keepfeatures and os.access(featfile,os.F_OK):
        sipconfig.inform("Using existing features file.")
    else:
        sipconfig.inform("Creating features file...")
        create_features_file(featfile)

    # Parse the features file.
    ff = open(featfile, "r")

    flags = []

    line = ff.readline()
    while line:
        flags.extend(string.split(line))
        line = ff.readline()

    return flags


def set_sip_flags():
    """Set the SIP platform, version and feature flags.
    """
    qt_sip_flags.extend(pyqt.sip_flags())

    # If we don't check for signed interpreters, we exclude the 'VendorID'
    # feature
    if not opt_vendorcheck:
        qt_sip_flags.append("-x")
        qt_sip_flags.append("VendorID")

    # Handle the platform tag.
    if opt_qtpetag:
        plattag = "WS_QWS"
    elif sys.platform == "win32":
        plattag = "WS_WIN"
    elif sys.platform == "darwin":
        if "__DARWIN_X11__" in sipcfg.build_macros()["DEFINES"]:
            plattag = "WS_X11"
        else:
            plattag = "WS_MACX"
    else:
        plattag = "WS_X11"

    qt_sip_flags.append("-t")
    qt_sip_flags.append(plattag)

    # Handle the Qt version tag.
    verstag = sipconfig.version_to_sip_tag(qt_version, pyqt.qt_version_tags(), "Qt")

    if verstag:
        qt_sip_flags.append("-t")
        qt_sip_flags.append(verstag)

    # The flags so far are common.
    for f in qt_sip_flags:
        qtext_sip_flags.append(f)
        qtpe_sip_flags.append(f)

    # Handle the QScintilla version tag.
    if qsci_version:
        qscitags = {
            0x010100: None,
            0x010200: "QScintilla_1_1",
            0x010300: "QScintilla_1_2",
            0x010400: "QScintilla_1_3",
            0x010500: "QScintilla_1_4",
            0x010600: "QScintilla_1_5",
            0x020000: "QScintilla_1_6"
        }

        verstag = sipconfig.version_to_sip_tag(qsci_version, qscitags, "QScintilla")

        if verstag:
            qtext_sip_flags.append("-t")
            qtext_sip_flags.append(verstag)

    # Handle the Qtopia tag.
    if opt_qtpetag:
        qtpe_sip_flags.append("-t")
        qtpe_sip_flags.append(opt_qtpetag)


def generate_code(mname, extra_cflags=None, extra_cxxflags=None, extra_define=None, extra_include_dirs=None, extra_lflags=None, extra_lib_dir=None, extra_libs=None, opengl=0, sip_flags=None):
    """Generate the code for a module.

    mname is the name of the module.
    extra_cflags is a string containing additional C compiler flags.
    extra_cxxflags is a string containing additional C++ compiler flags.
    extra_define is a name to add to the list of preprocessor defines.
    extra_include_dirs is a list of directories to add to the list of include
    directories.
    extra_lflags is a string containing additional linker flags.
    extra_lib_dir is the name of a directory to add to the list of library
    directories.
    extra_libs is a list of the names of extra libraries to add to the list of
    libraries.
    opengl is set if the module needs OpenGL support.
    sip_flags is the list of sip flags to use instead of the defaults.
    """
    sipconfig.inform("Generating the C++ source for the %s module..." % mname)

    try:
        shutil.rmtree(mname)
    except:
        pass

    try:
        os.mkdir(mname)
    except:
        sipconfig.error("Unable to create the %s directory." % mname)

    # Build the SIP command line.
    argv = ['"' + sipcfg.sip_bin + '"']

    if sip_flags is None:
        sip_flags = qt_sip_flags

    argv.extend(sip_flags)

    if opt_concat:
        argv.append("-j")
        argv.append(str(opt_split))

    if opt_tracing:
        argv.append("-r")

    argv.append("-c")
    argv.append(mname)

    buildfile = os.path.join(mname, mname + ".sbf")
    argv.append("-b")
    argv.append(buildfile)

    argv.append("-I")
    argv.append(srcPath("sip"))

    # SIP assumes POSIX style path separators.
    if topsrcdir is not None:
        argv.append(string.join([topsrcdir, "sip", mname, mname + "mod.sip"], "/"))
    else:
        argv.append(string.join(["sip", mname, mname + "mod.sip"], "/"))


    os.system(string.join(argv))

    # Check the result.
    if not os.access(buildfile, os.F_OK):
        sipconfig.error("Unable to create the C++ code.")

    # Generate the Makefile.
    sipconfig.inform("Creating the Makefile for the %s module..." % mname)

    installs = []
    sipfiles = []

    for s in glob.glob("sip/" + mname + "/*.sip"):
        if has_objdir:
            topdir = topsrcdir
        else:
            topdir = ".."
        sipfiles.append(os.path.join(topdir, "sip", mname, os.path.basename(s)))

    installs.append([sipfiles, os.path.join(pyqt.sip_dir(), mname)])

    makefile = sipconfig.SIPModuleMakefile(
        configuration=sipcfg,
        build_file=mname + ".sbf",
        dir=mname,
        install_dir=pyqt.module_dir(),
        installs=installs,
        qt=1,
        opengl=opengl,
        warnings=1,
        static=opt_static,
        debug=opt_debug
    )

    if extra_cflags:
        makefile.extra_cflags.append(extra_cflags)

    if extra_cxxflags:
        makefile.extra_cxxflags.append(extra_cxxflags)

    if extra_define:
        makefile.extra_defines.append(extra_define)

    if extra_include_dirs:
        makefile.extra_include_dirs.extend(extra_include_dirs)

    if extra_lflags:
        makefile.extra_lflags.append(extra_lflags)

    if extra_lib_dir:
        makefile.extra_lib_dirs.append(extra_lib_dir)

    if extra_libs:
        makefile.extra_libs.extend(extra_libs)

    makefile.generate()


def check_license():
    """Handle the validation of the PyQt license.
    """
    try:
        import license
        ltype = license.LicenseType
        lname = license.LicenseName

        try:
            lfile = license.LicenseFile
        except AttributeError:
            lfile = None
    except ImportError:
        ltype = None

    if ltype is None:
        ltype = "GPL"
        lname = "GNU General Public License"
        lfile = None

    sipconfig.inform("This is the %s version of PyQt %s (licensed under the %s) for Python %s on %s." % (ltype, pyqt_version_str, lname, string.split(sys.version)[0], sys.platform))

    # Common checks.
    if ltype == "GPL" and sys.platform == "win32":
        error("You cannot use the GPL version of PyQt under Windows.")

    try:
        qted = qt_edition
    except AttributeError:
        qted = None

    if qted and ltype != "internal":
        if (qted == "free" and ltype != "GPL") or (qted != "free" and ltype == "GPL"):
            sipconfig.error("This version of PyQt and the %s edition of Qt have incompatible licenses." % qted)

    # Confirm the license.
    print
    print "Type 'L' to view the license."
    print "Type 'yes' to accept the terms of the license."
    print "Type 'no' to decline the terms of the license."
    print

    while 1:
        try:
            resp = raw_input("Do you accept the terms of the license? ")
        except:
            resp = ""

        resp = string.lower(string.strip(resp))

        if resp == "yes":
            break

        if resp == "no":
            sys.exit(0)

        if resp == "l":
            os.system("more LICENSE")

    # If there should be a license file then check it is where it should be.
    if lfile:
        if os.access(os.path.join("sip", lfile), os.F_OK):
            sipconfig.inform("Found the license file %s." % lfile)
        else:
            sipconfig.error("Please copy the license file %s to the sip directory." % lfile)


def get_build_macros(overrides):
    """Return the dictionary of platform specific build macros from the Qt
    installation.  Return None if any of the overrides was invalid.

    overrides is a list of macros overrides from the user.
    """
    # Get the name of the qmake configuration file to take the macros from.
    if "QMAKESPEC" in os.environ.keys():
        fname = os.path.join(qt_dir, "mkspecs", os.environ["QMAKESPEC"], "qmake.conf")
    else:
        fname = os.path.join(qt_dir, "mkspecs", "default", "qmake.conf")

        if not os.access(fname, os.F_OK):
            sipconfig.error("Unable to find the default configuration file %s. You can use the QMAKESPEC environment variable to specify the correct platform instead of \"default\"." % fname)

    # Add the Qt specific macros to the default.
    names = sipcfg.build_macros().keys()
    names.append("INCDIR_QT")
    names.append("LIBDIR_QT")
    names.append("MOC")

    # Make sure $QTDIR reflects any directory passed on the command line.
    os.environ["QTDIR"] = qt_dir

    properties = {
        "QT_INSTALL_BINS":      os.path.join(qt_dir, "bin"),
        "QT_INSTALL_HEADERS":   os.path.join(qt_dir, "include"),
        "QT_INSTALL_LIBS":      os.path.join(qt_dir, "lib")
    }

    return sipconfig.parse_build_macros(fname, names, overrides, properties)


def check_qt_installation(macros):
    """Check the Qt installation and get the version number and edition.

    macros is the dictionary of build macros.
    """
    # Get the Makefile generator.
    generator = macros["MAKEFILE_GENERATOR"]

    # Set the Qt include and lib directories.
    global qt_incdir, qt_libdir

    qt_incdir = macros["INCDIR_QT"]

    if not qt_incdir:
        qt_incdir = os.path.join(qt_dir, "include")
        macros["INCDIR_QT"] = qt_incdir

    qt_libdir = macros["LIBDIR_QT"]

    if not qt_libdir:
        qt_libdir = os.path.join(qt_dir, "lib")
        macros["LIBDIR_QT"] = qt_libdir

    # Check the Qt header files have been installed.  Quietly check for Qt v4.
    qt4_d = os.path.join(qt_incdir, "QtCore")

    qglobal = os.path.join(qt4_d, "qglobal.h")

    if not os.access(qglobal, os.F_OK):
        qglobal = os.path.join(qt_incdir, "qglobal.h")

        if not os.access(qglobal, os.F_OK):
            sipconfig.error("qglobal.h could not be found in %s." % qt_incdir)

    # Get the Qt version number.
    global qt_version

    qt_version, ignore = sipconfig.read_version(qglobal, "Qt", "QT_VERSION")

    # Early versions of Qt for the Mac didn't include everything.  Rather than
    # maintain these in the future we just mandate a later version.
    if sys.platform == "darwin" and qt_version < 0x030100:
        sipconfig.error("PyQt for MacOS/X requires Qt v3.1.0 or later.")

    # The way SIP v4.2 and later handle connections between signals and Python
    # slots only works with Qt v3 and later.  Therefore Qt v2 and earlier needs
    # SIP v3.
    if qt_version < 0x030000:
        sipconfig.error("Qt v2.x and earlier require SIP v3.x.")

    if qt_version >= 0x040000:
        sipconfig.error("Qt v4.x requires PyQt v4.x.")

    # Try and work out which edition it is.
    global qt_edition

    if qt_version >= 0x030000:
        if opt_qconfigdir:
            qconfigdir = opt_qconfigdir
        else:
            qconfigdir = qt_incdir

        qconfig = os.path.join(qconfigdir, "qconfig.h")

        if not os.access(qconfig,os.F_OK):
            sipconfig.error("qconfig.h could not be found in %s." % qconfigdir)

        f = open(qconfig)
        l = f.readline()

        while l:
            wl = string.split(l)
            if len(wl) == 3 and wl[0] == "#define" and wl[1] == "QT_PRODUCT_LICENSE":
                    qt_edition = wl[2][4:-1]
                    break

            l = f.readline()

        f.close()

        if not qt_edition:
            sipconfig.error("The Qt edition could not be determined by parsing %s." % qconfig)
    elif qt_version == 0x020300 and sys.platform == "win32":
        # See if we have the Qt v2 non-commercial version.
        if os.access(os.path.join(qt_libdir, "qt-mt230nc.lib"), os.F_OK):
            qt_edition = "non-commercial"

    if sys.platform == "win32":
        # Work out how Qt was built on Windows.

        global qt_winconfig

        try:
            f = open(os.path.join(qt_dir, ".qtwinconfig"), "r")
        except IOError:
            f = None

        if f:
            cfg = f.readline()
            f.close()

            val = string.find(cfg, "=")

            if val >= 0:
                qt_winconfig = string.strip(cfg[val + 1:])
        else:
            # Assume it was built as a DLL.
            qt_winconfig = "shared"

    # Determine the Qt library to link against and if it has thread support.
    global qt_threaded

    resolve_qt3_library(generator)

    if opt_qtlib in ("qt-mt", "qt-mtedu", "qt-mteval", "qte-mt", "qtmt", "qtmtedu", "qtmteval"):
        qt_threaded = 1

    global pyqt

    pyqt = ConfigurePyQt3()

    # We haven't yet factored out sipconfig's knowledge of how to build Qt
    # binaries and it is expecting to find these in the configuration when it
    # generates the Makefiles.
    sipcfg.qt_version = qt_version
    sipcfg.qt_edition = qt_edition
    sipcfg.qt_winconfig = qt_winconfig
    sipcfg.qt_framework = 0
    sipcfg.qt_threaded = qt_threaded
    sipcfg.qt_dir = qt_dir
    sipcfg.qt_lib = opt_qtlib
    sipcfg.qt_lib_dir = qt_libdir


def resolve_qt3_library(generator):
    """See which version of the Qt v3 library can be found.  (We can't trust
    the configuration files.)

    generator is the name of the Makefile generator.
    """
    global opt_qtlib

    if opt_qtlib:
        if not is_qt_library(generator, opt_qtlib):
            sipconfig.error("The %s Qt library could not be found in %s." % (opt_qtlib, qt_libdir))
    else:
        stlib = is_qt_library(generator, "qt")
        mtlib = is_qt_library(generator, "qt-mt")
        edlib = is_qt_library(generator, "qt-mtedu")
        evlib = is_qt_library(generator, "qt-mteval")
        emlib = is_qt_library(generator, "qte")
        etlib = is_qt_library(generator, "qte-mt")

        # Borland likes to be a little different.
        bmtlib = is_qt_library(generator, "qtmt")
        bedlib = is_qt_library(generator, "qtmtedu")
        bevlib = is_qt_library(generator, "qtmteval")

        names = []

        if stlib:
            opt_qtlib = "qt"
            names.append(opt_qtlib)

        if mtlib:
            opt_qtlib = "qt-mt"
            names.append(opt_qtlib)

        if edlib:
            opt_qtlib = "qt-mtedu"
            names.append(opt_qtlib)

        if evlib:
            opt_qtlib = "qt-mteval"
            names.append(opt_qtlib)

        if emlib:
            opt_qtlib = "qte"
            names.append(opt_qtlib)

        if etlib:
            opt_qtlib = "qte-mt"
            names.append(opt_qtlib)

        if bmtlib:
            opt_qtlib = "qtmt"
            names.append(opt_qtlib)

        if bedlib:
            opt_qtlib = "qtmtedu"
            names.append(opt_qtlib)

        if bevlib:
            opt_qtlib = "qtmteval"
            names.append(opt_qtlib)

        if not names:
            sipconfig.error("No Qt libraries could be found in %s." % qt_libdir)

        if len(names) > 1:
            sipconfig.error("These Qt libraries were found: %s. Use the -y argument to explicitly specify which you want to use." % string.join(names))


def is_qt_library(generator, lib):
    """See if a particular Qt library is installed.

    generator is the name of the Makefile generator.
    lib is the name of the library.
    """
    if generator in ("MSVC", "MSVC.NET", "BMAKE"):
        lpatts = [lib + "[0-9]*.lib", lib + ".lib"]
    else:
        lpatts = ["lib" + lib + ".*"]

    for lpatt in lpatts:
        lmatch = glob.glob(os.path.join(qt_libdir, lpatt))

        if lmatch:
            return lmatch

    return []


def main(argv):
    """Create the configuration module module.

    argv is the list of command line arguments.
    """
    # Check SIP is new enough.
    if sipcfg.sip_version_str[:8] != "snapshot":
        if sipcfg.sip_version < sip_min_version:
            sipconfig.error("This version of PyQt requires SIP v%s or later" % sipconfig.version_to_string(sip_min_version))

    # Parse the command line.
    try:
        optlist, args = getopt.getopt(argv[1:], "ha:b:cd:fg:ij:kl:m:n:o:q:rsuv:wy:")
    except getopt.GetoptError:
        usage()

    global qt_dir, opt_qtlib, opt_qconfigdir
    global opt_pyqtbindir, opt_pyqtmoddir, opt_pyqtsipdir
    global opt_qtpetag, opt_static, opt_debug, opt_concat
    global opt_split, opt_tracing, opt_verbose, opt_keepfeatures
    global opt_qsciincdir, opt_qscilibdir, qsci_define
    global opt_vendorcheck, opt_vendincdir, opt_vendlibdir

    for opt, arg in optlist:
        if opt == "-h":
            usage(0)
        elif opt == "-a":
            opt_qtpetag = arg
        elif opt == "-b":
            opt_pyqtbindir = os.path.abspath(arg)
        elif opt == "-c":
            opt_concat = 1
        elif opt == "-d":
            opt_pyqtmoddir = os.path.abspath(arg)
        elif opt == "-f":
            opt_keepfeatures = 1
        elif opt == "-g":
            opt_qconfigdir = os.path.abspath(arg)
        elif opt == "-i":
            opt_vendorcheck = 1
        elif opt == "-j":
            try:
                opt_split = int(arg)
            except:
                usage()
        elif opt == "-k":
            opt_static = 1
        elif opt == "-l":
            opt_vendincdir = arg
        elif opt == "-m":
            opt_vendlibdir = arg
        elif opt == "-n":
            opt_qsciincdir = arg
        elif opt == "-o":
            opt_qscilibdir = arg
        elif opt == "-q":
            qt_dir = os.path.abspath(arg)
        elif opt == "-r":
            opt_tracing = 1
        elif opt == "-s":
            qsci_define = ""
        elif opt == "-u":
            opt_debug = 1
        elif opt == "-v":
            opt_pyqtsipdir = os.path.abspath(arg)
        elif opt == "-w":
            opt_verbose = 1
        elif opt == "-y":
            if arg in ("qt", "qt-mt", "qt-mtedu", "qt-mteval", "qte", "qte-mt", "qtmt", "qtmtedu"):
                opt_qtlib = arg
            else:
                usage()

    # Check that we know the name of the Qt root directory.
    if not qt_dir:
        sipconfig.error("A Qt installation could not be found. Use use the -q argument or the QTDIR environment variable to explicitly specify the correct directory.")

    # When building static libraries, signed interpreter checking makes no
    # sense.
    if opt_vendorcheck and opt_static:
        sipconfig.error("Using the VendorID package when building static libraries makes no sense.")

    # Replace the existing build macros with the ones from the Qt installation.
    macros = get_build_macros(args)

    if macros is None:
        usage()

    sipcfg.set_build_macros(macros)

    # Check Qt is what we need.
    check_qt_installation(macros)

    # Check the licenses are compatible.
    check_license()

    # Check for QScintilla.
    check_qscintilla()

    # Check which modules to build.
    qtmod_lib = pyqt.check_modules()

    # Check for the VendorID package.
    check_vendorid()

    # Set the SIP platform, version and feature flags.
    set_sip_flags()

    # Tell the user what's been found.
    inform_user()

    # Generate the code.

    extra_include_dirs = []
    extra_libs = []

    if qtmod_lib:
        extra_libs.append(qtmod_lib)

    if opt_vendorcheck:
        extra_include_dirs.append(opt_vendincdir)
        extra_lib_dir = opt_vendlibdir
        extra_libs.append("vendorid")
    else:
        extra_lib_dir = None

    pyqt.code(extra_include_dirs, extra_lib_dir, extra_libs)

    # Create the additional Makefiles.
    sipconfig.inform("Creating top level Makefile...")

    sipconfig.ParentMakefile(
        configuration=sipcfg,
        subdirs=pyqt_modules + pyqt.tools(),
        installs=(pyqt.module_installs(), pyqt.module_dir())
    ).generate()

    # Install the configuration module.
    create_config("pyqtconfig.py", srcPath("pyqtconfig.py.in"), macros)


###############################################################################
# The script starts here.
###############################################################################

if __name__ == "__main__":
    try:
        main(sys.argv)
    except SystemExit:
        raise
    except:
        print \
"""An internal error occured.  Please report all the output from the program,
including the following traceback, to support@riverbankcomputing.co.uk.
"""
        raise