File: build.py

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python-qt3 3.16-1.2
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# 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.
#
# This is the build script for PyQt.  It should be run in the top level
# directory of the source distribution and by the Python interpreter for which
# it is being built.  It uses either qmake or tmake to do the hard work of
# generating the platform specific Makefiles.


import sys
import os
import glob
import tempfile
import shutil
import py_compile
import compileall
import string


# Get the SIP configuration.
try:
    import sipconfig
except:
    print "Unable to import the sipconfig module.  Please make sure you have"
    print "SIP v3.9 or later installed."
    sys.exit(1)

config = sipconfig.SIPConfig("PyQt 3.16")


# Initialise the globals.
sipMajorVersion = config.sip_version >> 16
sciIncDir = config.qt_inc_dir
sciLibDir = config.qt_lib_dir
sciLib = None
sciVersion = None
binDir = config.default_bin_dir
modDir = config.default_mod_dir
sipDir = config.default_sip_dir
buildModules = ["qt"]
tempBuildDir = None
catCppFiles = 0
catSplit = 1
qpeTag = None
trace = 0
releaseGIL = 0


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

    rcode is the return code passed back to the calling process.
    """
    print "Usage:"
    print "    %s [-h] [-a version] [-b dir] [-c] [-d dir] [-g] [-j #] [-n dir] [-o dir] [-r] [-v dir]" % sipconfig.script()
    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]" % config.default_bin_dir
    print "    -c      concatenate each module's C++ source files"
    print "    -d dir  where the PyQt modules will be installed [default %s]" % config.default_mod_dir
    print "    -g      always release the GIL (SIP v3.x behaviour)"
    print "    -j #    split the concatenated C++ source files into # pieces [default 1]"
    print "    -n dir  the directory containing the QScintilla header files [default %s]" % config.qt_inc_dir
    print "    -o dir  the directory containing the QScintilla library [default %s]" % config.qt_lib_dir
    print "    -r      generate code with tracing enabled [default disabled]"
    print "    -v dir  where the PyQt .sip files will be installed [default %s]" % config.default_sip_dir

    sys.exit(rcode)


def mkTempBuildDir(olddir=None):
    """Create a temporary build directory for a console application called
    qttest, complete with patched Makefile.  The global tempBuildDir is set to
    the name of the directory.  The temporary directory becomes the current
    directory.

    olddir is None if the directory should be created, otherwise it is deleted.

    Returns the name of the previous current directory.
    """
    global tempBuildDir

    if olddir is None:
        tempBuildDir = tempfile.mktemp()

        try:
            os.mkdir(tempBuildDir)
        except:
            sipconfig.error("Unable to create temporary directory.")

        prevdir = sipconfig.push_dir(tempBuildDir)

        sipconfig.copy_to_file("qttest.pro.in",
"""TEMPLATE = app
TARGET = qttest
CONFIG += console warn_off @TEST_OPENGL@ @BLX_CONFIG_APP@
INCLUDEPATH = @BLX_INCLUDEPATH@ @TEST_QSCINTILLA_INC@
DEFINES = @BLX_DEFINES@
SOURCES = qttest.cpp
LIBS += @TEST_QUI_LIB@ @TEST_QSCINTILLA_LIB@
""")

        # Disable OpenGL, qui and QScintilla support by default.
        config.patches["@TEST_OPENGL@"] = ""
        config.patches["@TEST_QUI_LIB@"] = ""
        config.patches["@TEST_QSCINTILLA_INC@"] = ""
        config.patches["@TEST_QSCINTILLA_LIB@"] = ""

        # Create a dummy source file to suppress a qmake warning.
        sipconfig.copy_to_file("qttest.cpp", "")

        config.create_makefile("qttest.pro")
    else:
        sipconfig.pop_dir(olddir)
        prevdir = None

        shutil.rmtree(tempBuildDir, 1)

    return prevdir


def tryModule(maindir, mname, incfile, ctor):
    """See if a PyQt module should be built and update the buildModules list
    accordingly.

    maindir is the directory containing this script.
    mname is the name of the PyQt module.
    incfile is the C++ header file that defines the class being used for the
    test.
    ctor is the constructor of the class being used for the test.
    """
    # Check for the existence of the module .sip file.
    msip = os.path.join(maindir, "sip", mname, mname + "mod.sip")

    if not os.access(msip, os.F_OK):
        return

    sipconfig.copy_to_file("qttest.cpp",
"""#include <%s>

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

    if sipconfig.run_make(None,0) == 0:
        buildModules.append(mname)
        sipconfig.inform("The %s module will be built." % mname)
    else:
        sipconfig.inform("The %s module will not be built." % mname)

    sipconfig.run_make("clean")


def checkQScintilla():
    """See if QScintilla can be found and what its version is.
    """
    # Find the QScintilla header files.
    sciglobal = os.path.join(sciIncDir, "qextscintillaglobal.h")

    if os.access(sciglobal,os.F_OK):
        config.patches["@PYQT_QSCINTILLA_INC@"] = sciIncDir

        sipconfig.inform("%s contains qextscintillaglobal.h." % (sciIncDir))

        # Get the QScintilla version number.
        global sciVersion

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

        sipconfig.inform("QScintilla %s is being used." % (sciversstr))

        # If we find a snapshot then set the version number to 0 as a special
        # case.
        if sciversstr[:8] == "snapshot":
            sciVersion = 0

        # Find the QScintilla library.
        if sys.platform == "win32":
            lpatt = "qscintilla.lib"
        else:
            lpatt = "libqscintilla.*"

        if len(glob.glob(os.path.join(sciLibDir, lpatt))):
            sipconfig.inform("%s contains the QScintilla library." % sciLibDir)

            global sciLib

            if sys.platform == "win32":
                sciLib = sipconfig.escape(os.path.join(sciLibDir, "qscintilla.lib"))
            else:
                sciLib = sipconfig.escape("-L" + sciLibDir) + " -lqscintilla"

            config.patches["@PYQT_QSCINTILLA_LIB@"] = sciLib
        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." % (sciLibDir))

            sciVersion = -1
    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." % sciIncDir)

        sciVersion = -1


def moduleChecks(maindir):
    """See which PyQt modules to build.
    """
    sipconfig.inform("Checking which additional PyQt modules to build.");

    tryModule(maindir,"qtcanvas", "qcanvas.h", "QCanvas()")
    tryModule(maindir,"qtnetwork", "qsocket.h", "QSocket()")
    tryModule(maindir,"qttable", "qtable.h", "QTable()")
    tryModule(maindir,"qtxml", "qdom.h", "QDomImplementation()")

    if config.qt_version >= 0x030000:
        tryModule(maindir,"qtsql", "qsql.h", "QSql()")

    # We need a different Makefile for the qtgl module.
    config.patches["@TEST_OPENGL@"] = "opengl"
    config.create_makefile("qttest.pro")

    tryModule(maindir,"qtgl", "qgl.h", "QGLWidget()")

    # Put things back.
    config.patches["@TEST_OPENGL@"] = ""
    config.create_makefile("qttest.pro")

    # Check for the qui library.
    if config.qt_version >= 0x030000:
        if sys.platform == "win32":
            quilib = r"$(QTDIR)\lib\qui.lib"
        else:
            quilib = "-lqui"

        config.patches["@PYQT_QUI_LIB@"] = quilib

        config.patches["@TEST_QUI_LIB@"] = quilib
        config.create_makefile("qttest.pro")

        tryModule(maindir,"qtui", "qwidgetfactory.h", "QWidgetFactory()")

        # Put things back.
        config.patches["@TEST_QUI_LIB@"] = ""
        config.create_makefile("qttest.pro")

    # Check for the QScintilla library.
    if sciVersion >= 0:
        config.patches["@TEST_QSCINTILLA_INC@"] = sciIncDir
        config.patches["@TEST_QSCINTILLA_LIB@"] = sciLib
        config.create_makefile("qttest.pro")

        tryModule(maindir,"qtext", "qextscintillabase.h", "QextScintillaBase()")

        # Put things back.
        config.patches["@TEST_QSCINTILLA_INC@"] = ""
        config.patches["@TEST_QSCINTILLA_LIB@"] = ""
        config.create_makefile("qttest.pro")


def generateFeatures(featfile):
    """Generate the header file describing the Qt features that are enabled if
    it doesn't already exist.  (If it already exists then we are probably cross
    compiling and generated the file through other means.)

    featfile is the name of the features file.
    """
    if os.access(featfile,os.F_OK):
        sipconfig.inform("Using existing features file.")
        return

    sipconfig.inform("Generating the features file.")

    # The features that a given Qt configuration may or may not support.  Note
    # that STYLE_WINDOWSXP requires special handling.
    flist = ["ACTION", "CLIPBOARD", "CODECS", "COLORDIALOG", "DATASTREAM",
             "DIAL", "DNS", "DOM", "DRAGANDDROP", "ICONVIEW", "IMAGE_TEXT",
             "INPUTDIALOG", "FILEDIALOG", "FONTDATABASE", "FONTDIALOG",
             "MESSAGEBOX", "MIMECLIPBOARD", "NETWORKPROTOCOL", "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("qttest.cpp","w")

    # Escape the backslashes so that the name can be embedded in a C++ string.
    ffstr = string.replace(featfile, "\\", "\\\\")

    f.write(
"""#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(QT_THREAD_SUPPORT)
    fprintf(fp,"-x Qt_THREAD_SUPPORT\\n");
#endif

#if (defined(Q_OS_WIN32) || defined(Q_OS_WIN64)) && QT_VERSION >= 0x030000
    if (qWinVersion() != Qt::WV_XP)
        fprintf(fp,"-x Qt_STYLE_WINDOWSXP\\n");
#endif
""" % (ffstr, ffstr))

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

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

    return 0;
}
""")

    f.close()

    sipconfig.run_make()
    sipconfig.run_program(os.path.join(os.getcwd(), "qttest"))
    sipconfig.run_make("clean")

    sipconfig.inform("Generated the features file.")


def generateSource(mname, plattag, qttag, xtrtag):
    """Generate the C++ source code for a particular PyQt module.

    mname is the name of the module.
    plattag is the SIP tag for the platform.
    qttag is the SIP tag for the Qt version.
    xtrtag is an optional extra SIP tag.
    """
    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)

    pro = mname + ".pro"

    argv = ["-t", plattag,
            "-t", qttag,
            "-z", "features",
            "-I", "sip",
            "-m", mname + "/" + pro + ".in",
            "-c", mname,
            "sip/" + mname + "/" + mname + "mod.sip"]

    if xtrtag:
        argv.insert(0,xtrtag)
        argv.insert(0,"-t")

    if trace:
        argv.insert(0,"-r")

    if releaseGIL:
        argv.insert(0,"-g")

    sipconfig.run_program(config.sip_bin, argv)

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

    olddir = sipconfig.push_dir(mname)

    if catCppFiles:
        sipconfig.cat_source_files(mname, catSplit)

    config.create_makefile(pro, mname)

    icmds = []

    if sipMajorVersion == 3:
        icmds.append(("copy", mname + ".py", modDir))
        icmds.append(("copy", mname + ".pyc", modDir))

    config.add_install_target(icmds)

    if sipMajorVersion == 3:
        # Compile the Python part of the module.
        pyname = mname + ".py"

        sipconfig.inform("Compiling %s." % (pyname))
        py_compile.compile(pyname)

    sipconfig.pop_dir(olddir)


def versionToTag(vers, tags, desc):
    """Convert a version number to a tag.

    vers is the version number.
    tags is the dictionary of tags keyed by version number.
    desc is the descriptive name of the package.

    Returns the corresponding tag.
    """
    tag = None

    vl = tags.keys()
    vl.sort()

    # For a snapshot use the latest tag.
    if vers == 0:
        tag = tags[vl[-1]]
    else:
        for v in vl:
            if vers < v:
                tag = tags[v]
                break

        if tag is None:
            sipconfig.error("Invalid %s version: 0x%06x." % (desc, vers))

    return tag


def main(argv):
    """The main function of the script.

    argv is the list of command line arguments.
    """
    import getopt

    # Parse the command line.
    try:
        optlist, args = getopt.getopt(argv[1:],"ha:b:cd:gj:n:o:rv:")
    except getopt.GetoptError:
        usage()

    for opt, arg in optlist:
        if opt == "-h":
            usage(0)
        elif opt == "-a":
            global qpeTag
            qpeTag = arg
        elif opt == "-b":
            global binDir
            binDir = arg
        elif opt == "-c":
            global catCppFiles
            catCppFiles = 1
        elif opt == "-d":
            global modDir
            modDir = arg
        elif opt == "-g":
            global releaseGIL
            releaseGIL = 1
        elif opt == "-j":
            global catSplit

            try:
                catSplit = int(arg)
            except:
                catSplit = 0

            if catSplit < 1:
                usage()
        elif opt == "-n":
            global sciIncDir
            sciIncDir = arg
        elif opt == "-o":
            global sciLibDir
            sciLibDir = arg
        elif opt == "-r":
            global trace
            trace = 1
        elif opt == "-v":
            global sipDir
            sipDir = arg

    # Confirm the license.
    sipconfig.confirm_license()

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

    # Check the Qt version.
    if config.qt_version == 0:
            sipconfig.error("SIP has been built with Qt support disabled.\n")

    # 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 config.qt_version < 0x030100:
            sipconfig.error("PyQt for MacOS/X requires Qt v3.1.0 or later.\n")

    # Check the installation directory is valid and add it as a patch.
    if not os.access(modDir,os.F_OK):
        sipconfig.error("The %s PyQt destination directory does not seem to exist. Use the -d argument to set the correct directory." % (modDir))

    config.patches["@PYQT_MODDIR@"] = sipconfig.escape(modDir)

    sipconfig.inform("%s is the PyQt installation directory." % (modDir))

    # Enable warnings for SIP v4 generated code.
    if sipMajorVersion >= 4:
        warn = "warn_on"
    else:
        warn = "warn_off"

    config.patches["@PYQT_WARN@"] = warn

    # Create patches to allow some modules to link against others.
    if sipMajorVersion >= 4:
        modlink = ""
    elif sys.platform == "win32":
        modlink = sipconfig.escape(os.path.join(modDir, "libqtc.lib"))
    else:
        modlink = sipconfig.escape("-L" + modDir) + " -lqtcmodule"

    config.patches["@PYQT_QT_MODULE@"] = modlink

    if sipMajorVersion >= 4:
        modlink = ""
    elif sys.platform == "win32":
        modlink = sipconfig.escape(os.path.join(modDir, "libqttablec.lib")) + " " + sipconfig.escape(os.path.join(modDir, "libqtc.lib"))
    else:
        modlink = sipconfig.escape("-L" + modDir) + " -lqttablecmodule -lqtcmodule"

    config.patches["@PYQT_QTTABLE_MODULE@"] = modlink

    # The professional edition needs special handling if XML support is needed.
    if config.qt_edition == "professional":
        rbprof = "rbprof"
    else:
        rbprof = ""

    config.patches["@PYQT_RBPROF@"] = rbprof

    # Link in the qassistantclient library for Qt v3.1+.
    qaclib = ""

    if config.qt_version >= 0x030100:
        if sys.platform == "win32":
            qaclib = r"$(QTDIR)\lib\qassistantclient.lib"
        else:
            qaclib = "-lqassistantclient"

    config.patches["@PYQT_QASSISTANTCLIENT_LIB@"] = qaclib

    # Check for QScintilla.
    if config.qt_version >= 0x030000:
        checkQScintilla()

    # Create a build directory that we can compile test programs.
    maindir = mkTempBuildDir()

    # Check what additional modules to build.
    if config.qt_version >= 0x020000:
        moduleChecks(maindir)

    # Work out the platform and Qt version tags to pass to SIP to generate the
    # code we need.
    if config.qt_lib == "qte":
        plattag = "WS_QWS"
    elif sys.platform == "win32":
        plattag = "WS_WIN"
    elif sys.platform == "darwin":
        plattag = "WS_MACX"
    else:
        plattag = "WS_X11"

    qttags = {
        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",
        0x040000: "Qt_3_3_0"
    }

    qttag = versionToTag(config.qt_version, qttags, "Qt")

    # Work out the QScintilla tag.
    if sciVersion >= 0:
        scitags = {
            0x010100: "QScintilla_1_0",
            0x010200: "QScintilla_1_1",
            0x020000: "QScintilla_1_2"
        }

        scitag = versionToTag(sciVersion, scitags, "QScintilla")
    else:
        scitag = None

    # Generate the features file.
    generateFeatures(os.path.join(maindir, "features"))

    # We don't need the temporary build directory anymore.
    mkTempBuildDir(maindir)

    subdirs = []
    for mname in buildModules:
        if mname == "qtext":
            xtratag = scitag
        else:
            xtratag = None

        generateSource(mname, plattag, qttag, xtratag)
        subdirs.append(mname)

    # We handle the qtpe module explicitly rather than auto-detect.  This is
    # because it does things a bit differently and I'm too lazy to deal with it
    # properly at the moment.
    if qpeTag:
        generateSource("qtpe", plattag, qttag, qpeTag)
        subdirs.append("qtpe")

    # Install the .sip files.
    sipconfig.inform("Creating Makefile for .sip files.")
    olddir = sipconfig.push_dir("sip")
    sipconfig.copy_to_file("Makefile", "all:\n")

    icmds = []

    for mname in buildModules:
        dstdir = os.path.join(sipDir, mname)

        icmds.append(("mkdir", dstdir, None))

        for sf in os.listdir(os.path.join(olddir, "sip", mname)):
            icmds.append(("copy", os.path.join(mname, sf), os.path.join(dstdir, sf)))

    config.add_install_target(icmds)
    sipconfig.pop_dir(olddir)
    subdirs.append("sip")

    # See which version of pyuic to build.
    config.patches["@PYQT_BINDIR@"] = sipconfig.escape(binDir)

    if config.qt_version >= 0x030000:
        sipconfig.inform("Creating Makefile for pyuic3.")
        subdirs.append("pyuic3")
        olddir = sipconfig.push_dir("pyuic3")
    elif config.qt_version >= 0x020000:
        sipconfig.inform("Creating Makefile for pyuic2.")
        subdirs.append("pyuic2")
        olddir = sipconfig.push_dir("pyuic2")

    config.create_makefile("pyuic.pro", [])
    sipconfig.pop_dir(olddir)

    # Build pylupdate if Qt v3.0 or later.
    if config.qt_version >= 0x030000:
        sipconfig.inform("Creating Makefile for pylupdate3.")
        subdirs.append("pylupdate3")
        olddir = sipconfig.push_dir("pylupdate3")

        config.create_makefile("pylupdate.pro", [])
        sipconfig.pop_dir(olddir)

    # Generate the top-level Makefile.
    sipconfig.inform("Creating top level Makefile.")
    sipconfig.copy_to_file("PyQt.pro.in", "TEMPLATE = subdirs\nSUBDIRS = " + string.join(subdirs) + "\n")
    config.create_makefile("PyQt.pro")

    # Tell the user what to do next.
    msg = "The build of the PyQt source code for your system is now complete. To compile and install PyQt run \"%s\" and \"%s install\" with appropriate user privileges." % (config.make_bin, config.make_bin)

    sipconfig.inform(msg)


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