bindings/python/wscript
author Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
Sun, 12 Oct 2008 18:04:10 +0100
changeset 3743 d0cf214d050c
parent 3742 3fd36a505c0e
child 3755 c73866625b44
permissions -rw-r--r--
Rescan API for Python.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
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import re
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import Params
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import Configure
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import Object
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import Action
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import os
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import Task
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import pproc as subprocess
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from Params import fatal, warning
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import shutil
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import sys
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## Adjust python path to look for our local copy of pybindgen
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LOCAL_PYBINDGEN_PATH = os.path.join(os.getcwd(), "bindings", "python", "pybindgen")
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#PYBINDGEN_BRANCH = 'lp:pybindgen'
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PYBINDGEN_BRANCH = 'https://launchpad.net/pybindgen'
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if os.environ.get('PYTHONPATH', ''):
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    os.environ['PYTHONPATH'] = LOCAL_PYBINDGEN_PATH + os.pathsep + os.environ.get('PYTHONPATH')
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else:
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    os.environ['PYTHONPATH'] = LOCAL_PYBINDGEN_PATH
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## https://launchpad.net/pybindgen/
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REQUIRED_PYBINDGEN_VERSION = (0, 9, 0, 598)
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REQUIRED_PYGCCXML_VERSION = (0, 9, 5)
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def set_options(opt):
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    opt.tool_options('python')
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    opt.add_option('--disable-python',
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                   help=("Don't build Python bindings."),
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                   action="store_true", default=False,
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                   dest='python_disable')
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    opt.add_option('--python-scan',
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                   help=("Rescan Python bindings.  Needs working GCCXML / pygccxml environment."),
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                   action="store_true", default=False,
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                   dest='python_scan')
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    opt.add_option('--pybindgen-checkout',
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                   help=("During configure, force checkout of pybingen inside ns-3, "
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                         "instead of using the system installed version."),
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                   action="store_true", default=False,
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                   dest='pybindgen_checkout')
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def fetch_pybindgen(conf):
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    """
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    Fetches pybindgen from launchpad as bindings/python/pybindgen.
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    Returns True if successful, False it not.
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    """
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    bzr = conf.find_program("bzr")
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    if not bzr:
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        warning("the program 'bzr' is needed in order to fetch pybindgen")
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        return False
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    if len(REQUIRED_PYBINDGEN_VERSION) == 4:
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        rev = "-rrevno:%i" % REQUIRED_PYBINDGEN_VERSION[3]
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    else:
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        rev = "-rtag:%s" % '.'.join([str(x) for x in REQUIRED_PYBINDGEN_VERSION])
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    if os.path.exists(LOCAL_PYBINDGEN_PATH):
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        print "Trying to update pybindgen; this will fail if no network connection is available.  Hit Ctrl-C to skip."
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        cmd = [bzr, "pull", rev, PYBINDGEN_BRANCH]
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        print " => ", ' '.join(cmd)
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        try:
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            if subprocess.Popen(cmd, cwd=LOCAL_PYBINDGEN_PATH).wait():
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                return False
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        except KeyboardInterrupt:
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            print "Interrupted; Python bindings will be disabled."
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            return False
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        print "Update was successful."
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    else:
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        print "Trying to fetch pybindgen; this will fail if no network connection is available.  Hit Ctrl-C to skip."
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        cmd = [bzr, "checkout", rev, PYBINDGEN_BRANCH, LOCAL_PYBINDGEN_PATH]
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        print " => ", ' '.join(cmd)
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        try:
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            if subprocess.Popen(cmd).wait():
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                return False
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        except KeyboardInterrupt:
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            print "Interrupted; Python bindings will be disabled."
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            shutil.rmtree(LOCAL_PYBINDGEN_PATH, True)
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            return False
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        print "Fetch was successful."
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    ## generate a fake version.py file in pybindgen it's safer this
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    ## way, since the normal version generation process requires
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    ## bazaar python bindings, which may not be available.
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    vfile = open(os.path.join(LOCAL_PYBINDGEN_PATH, "pybindgen", "version.py"), "wt")
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    vfile.write("""
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# (fake version generated by ns-3)
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__version__ = %r
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""" % list(REQUIRED_PYBINDGEN_VERSION))
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    vfile.close()
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    return True
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def configure(conf):
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    conf.env['ENABLE_PYTHON_BINDINGS'] = False
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    if Params.g_options.python_disable:
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        conf.report_optional_feature("python", "Python Bindings", False,
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                                     "disabled by user request")
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        return
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    conf.check_tool('misc')
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    if sys.platform == 'cygwin':
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        conf.report_optional_feature("python", "Python Bindings", False,
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                                     "unsupported platform 'cygwin'")
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        warning("Python is not supported in CygWin environment.  Try MingW instead.")
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        return
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    ## Check for Python
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    try:
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        conf.check_tool('python')
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        conf.check_python_version((2,3))
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        conf.check_python_headers()
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    except Configure.ConfigurationError, ex:
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        conf.report_optional_feature("python", "Python Bindings", False, str(ex))
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        return
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    ## Check for pybindgen
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    if Params.g_options.pybindgen_checkout:
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        fetch_pybindgen(conf)
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    try:
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        conf.check_python_module('pybindgen')
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    except Configure.ConfigurationError:
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        warning("pybindgen missing")
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        if not fetch_pybindgen(conf):
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            conf.report_optional_feature("python", "Python Bindings", False,
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                                         "PyBindGen missing and could not be retrieved")
3408
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            return
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    else:
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        out = subprocess.Popen([conf.env['PYTHON'], "-c",
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                                "import pybindgen.version; "
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                                "print '.'.join([str(x) for x in pybindgen.version.__version__])"],
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                                stdout=subprocess.PIPE).communicate()[0]
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        pybindgen_version_str = out.strip()
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        pybindgen_version = tuple([int(x) for x in pybindgen_version_str.split('.')])
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        conf.check_message('pybindgen', 'version',
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                           (pybindgen_version >= REQUIRED_PYBINDGEN_VERSION),
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                           pybindgen_version_str)
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        if not (pybindgen_version >= REQUIRED_PYBINDGEN_VERSION):
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            warning("pybindgen (found %s) is too old (need %s)" %
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                    (pybindgen_version_str,
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                     '.'.join([str(x) for x in REQUIRED_PYBINDGEN_VERSION])))
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            if not fetch_pybindgen(conf):
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                conf.report_optional_feature("python", "Python Bindings", False,
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                                             "PyBindGen too old and newer version could not be retrieved")
3408
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                return
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   151
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    ## If all has gone well, we finally enable the Python bindings
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    conf.env['ENABLE_PYTHON_BINDINGS'] = True
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    conf.report_optional_feature("python", "Python Bindings", True, None)
3408
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   155
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    ## Check for pygccxml
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   157
    try:
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        conf.check_python_module('pygccxml')
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   159
    except Configure.ConfigurationError:
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        conf.report_optional_feature("pygccxml", "Python API Scanning Support", False,
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   161
                                     "Missing 'pygccxml' Python module")
3408
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   162
        return
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parents:
diff changeset
   163
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   164
    out = subprocess.Popen([conf.env['PYTHON'], "-c",
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                            "import pygccxml; print pygccxml.__version__"],
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   166
                            stdout=subprocess.PIPE).communicate()[0]
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   167
    pygccxml_version_str = out.strip()
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   168
    pygccxml_version = tuple([int(x) for x in pygccxml_version_str.split('.')])
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   169
    conf.check_message('pygccxml', 'version',
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                       (pygccxml_version >= REQUIRED_PYGCCXML_VERSION),
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   171
                       pygccxml_version_str)
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   172
    if not (pygccxml_version >= REQUIRED_PYGCCXML_VERSION):
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   173
        warning("pygccxml (found %s) is too old (need %s) => "
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   174
                "automatic scanning of API definitions will not be possible" %
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   175
                (pygccxml_version_str,
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   176
                 '.'.join([str(x) for x in REQUIRED_PYGCCXML_VERSION])))
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   177
        conf.report_optional_feature("pygccxml", "Python API Scanning Support", False,
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   178
                                     "pygccxml too old")
3408
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   179
        return
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   180
    
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   181
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   182
    ## Check gccxml version
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   183
    gccxml = conf.find_program('gccxml', var='GCCXML')
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   184
    if not gccxml:
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   185
        warning("gccxml missing; automatic scanning of API definitions will not be possible")
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parents: 3624
diff changeset
   186
        conf.report_optional_feature("pygccxml", "Python API Scanning Support", False,
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diff changeset
   187
                                     "gccxml missing")
3408
2cc40b3e4fa5 python bindings
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parents:
diff changeset
   188
        return
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parents:
diff changeset
   189
2cc40b3e4fa5 python bindings
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   190
    gccxml_version_line = os.popen(gccxml + " --version").readline().strip()
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parents:
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   191
    m = re.match( "^GCC-XML version (\d\.\d(\.\d)?)$", gccxml_version_line)
2cc40b3e4fa5 python bindings
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   192
    gccxml_version = m.group(1)
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   193
    gccxml_version_ok = ([int(s) for s in gccxml_version.split('.')] >= [0, 9])
2cc40b3e4fa5 python bindings
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parents:
diff changeset
   194
    conf.check_message('gccxml', 'version', True, gccxml_version)
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parents:
diff changeset
   195
    if not gccxml_version_ok:
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   196
        warning("gccxml too old, need version >= 0.9; automatic scanning of API definitions will not be possible")
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diff changeset
   197
        conf.report_optional_feature("pygccxml", "Python API Scanning Support", False,
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parents: 3624
diff changeset
   198
                                     "gccxml too old")
3408
2cc40b3e4fa5 python bindings
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parents:
diff changeset
   199
        return
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   200
    
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   201
    ## If we reached
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   202
    conf.env['ENABLE_PYTHON_SCANNING'] = True
3625
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diff changeset
   203
    conf.report_optional_feature("pygccxml", "Python API Scanning Support", True, None)
3408
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parents:
diff changeset
   204
2cc40b3e4fa5 python bindings
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parents:
diff changeset
   205
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   206
prio_headers = {
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   207
    -2: (
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   208
        "string.h", # work around http://www.gccxml.org/Bug/view.php?id=6682
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parents:
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   209
        ),
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diff changeset
   210
    -1: (
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diff changeset
   211
        "propagation-delay-model.h",
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parents:
diff changeset
   212
        "propagation-loss-model.h",
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parents:
diff changeset
   213
        "net-device.h",
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parents:
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   214
        )
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parents:
diff changeset
   215
     }
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parents:
diff changeset
   216
2cc40b3e4fa5 python bindings
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   217
def get_header_prio(header):
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   218
    for prio, headers in prio_headers.iteritems():
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   219
        if header in headers:
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   220
            return prio
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   221
    return 1
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parents:
diff changeset
   222
3485
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
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parents: 3474
diff changeset
   223
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3474
diff changeset
   224
def calc_header_include(path):
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3474
diff changeset
   225
    (head, tail) = os.path.split (path)
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
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parents: 3474
diff changeset
   226
    if tail == 'ns3':
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
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parents: 3474
diff changeset
   227
        return ''
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parents: 3474
diff changeset
   228
    else:
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parents: 3474
diff changeset
   229
        return os.path.join (calc_header_include (head), tail)
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parents: 3474
diff changeset
   230
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
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parents: 3474
diff changeset
   231
3408
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   232
def gen_ns3_metaheader(task):
2cc40b3e4fa5 python bindings
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   233
    assert len(task.m_outputs) == 1
3485
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
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parents: 3474
diff changeset
   234
26de1421d000 When generating the everything.h header file for Python, handle ns3 headers inside subdirectories properly.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3474
diff changeset
   235
    header_files = [calc_header_include(node.abspath(task.m_env)) for node in task.m_inputs]
3408
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   236
    outfile = file(task.m_outputs[0].bldpath(task.m_env), "w")
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parents:
diff changeset
   237
2cc40b3e4fa5 python bindings
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parents:
diff changeset
   238
    def sort_func(h1, h2):
2cc40b3e4fa5 python bindings
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parents:
diff changeset
   239
        return cmp((get_header_prio(h1), h1), (get_header_prio(h1), h2))
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    header_files.sort(sort_func)
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    for header in header_files:
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        print >> outfile, "#include \"ns3/%s\"" % (header,)
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    print >> outfile, """
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namespace ns3 {
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static inline Ptr<Object>
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__dummy_function_to_force_template_instantiation (Ptr<Object> obj, TypeId typeId)
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{
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   return obj->GetObject<Object> (typeId);
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}
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static inline void
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__dummy_function_to_force_template_instantiation_v2 ()
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{
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   Time t1, t2, t3;
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   t1 = t2 + t3;
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   t1 = t2 - t3;
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   TimeSquare tsq = t2*t3;
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   Time tsqdiv = tsq/Seconds(1);
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   Scalar scal = t2/t3;
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   TimeInvert inv = scal/t3;
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   t1 = scal*t1;
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   t1 = t1/scal;
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   t1 < t2;
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   t1 <= t2;
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   t1 == t2;
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   t1 != t2;
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   t1 >= t2;
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   t1 > t2;
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}
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}
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"""
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    outfile.close()
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    return 0
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class all_ns3_headers_taskgen(Object.task_gen):
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    """Generates a 'everything.h' header file that includes some/all public ns3 headers.
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    This single header file is to be parsed only once by gccxml, for greater efficiency.
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    """
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    def __init__(self, *features):
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        Object.task_gen.__init__(self, *features)
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        self.inst_var = 0#'INCLUDEDIR'
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        #self.inst_dir = 'ns3'
3408
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    def apply(self):
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        ## get all of the ns3 headers
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        ns3_dir_node = Params.g_build.m_srcnode.find_dir("ns3")
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        all_headers_inputs = []
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        for filename in self.to_list(self.source):
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            src_node = ns3_dir_node.find_build(filename)
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            if src_node is None:
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                Params.fatal("source ns3 header file %s not found" % (filename,))
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            all_headers_inputs.append(src_node)
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        ## if self.source was empty, include all ns3 headers in enabled modules
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        if not all_headers_inputs:
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            for ns3headers in Object.g_allobjs:
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                if type(ns3headers).__name__ == 'ns3header_taskgen': # XXX: find less hackish way to compare
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                    ## skip headers not part of enabled modules
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                    if self.env['NS3_ENABLED_MODULES']:
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                        if ("ns3-%s" % ns3headers.module) not in self.env['NS3_ENABLED_MODULES']:
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                            continue
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                    for source in ns3headers.to_list(ns3headers.source):
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                        #source = os.path.basename(source)
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                        node = ns3_dir_node.find_build(source)
3408
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                        if node is None:
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                            fatal("missing header file %s" % (source,))
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                        all_headers_inputs.append(node)
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   317
        assert all_headers_inputs
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        all_headers_outputs = [self.path.find_build("everything.h")]
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        task = self.create_task('gen-ns3-metaheader', self.env, 4)
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        task.set_inputs(all_headers_inputs)
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   321
        task.set_outputs(all_headers_outputs)
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    def install(self):
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   324
        pass
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   325
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def get_modules_and_headers():
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   328
    """
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   329
    Gets a dict of
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       module_name => ([module_dep1, module_dep2, ...], [module_header1, module_header2, ...])
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   331
    tuples, one for each module.
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   332
    """
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   333
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   334
    retval = {}
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   335
    for module in Object.g_allobjs:
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   336
        if not module.name.startswith('ns3-'):
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   337
            continue
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   338
        module_name = module.name[4:] # strip the ns3- prefix
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   339
        ## find the headers object for this module
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diff changeset
   340
        headers = []
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   341
        for ns3headers in Object.g_allobjs:
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   342
            if type(ns3headers).__name__ != 'ns3header_taskgen': # XXX: find less hackish way to compare
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   343
                continue
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   344
            if ns3headers.module != module_name:
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   345
                continue
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   346
            for source in ns3headers.to_list(ns3headers.source):
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   347
                headers.append(source)
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   348
        retval[module_name] = (list(module.module_deps), headers)
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   349
    return retval
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   350
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   351
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   352
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
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   353
class PythonScanTask(Task.TaskBase):
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    """Uses gccxml to scan the file 'everything.h' and extract API definitions.
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   355
    """
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   356
    def __init__(self, curdirnode, env):
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
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   357
        self.m_display = 'python-scan'
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   358
        self.prio = 5 # everything.h has prio 4
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   359
        super(PythonScanTask, self).__init__()
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   360
        self.curdirnode = curdirnode
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   361
        self.env = env
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   362
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   363
    def run(self):
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   364
        #print "Rescanning the python bindings..."
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   365
        argv = [
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   366
            self.env['PYTHON'],
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   367
            os.path.join(self.curdirnode.abspath(), 'ns3modulescan.py'), # scanning script
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   368
            self.curdirnode.find_dir('../..').abspath(self.env), # include path (where the ns3 include dir is)
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   369
            self.curdirnode.find_build('everything.h').abspath(self.env),
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   370
            os.path.join(self.curdirnode.abspath(), 'ns3modulegen_generated.py'), # output file
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   371
            ]
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   372
        scan = subprocess.Popen(argv, stdin=subprocess.PIPE)
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   373
        scan.stdin.write(repr(get_modules_and_headers()))
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   374
        scan.stdin.close()
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   375
        if scan.wait():
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   376
            raise SystemExit(1)
3726
d5a2890666e3 Exit WAF after processing --python-scan to avoid incorrect builds, since WAF does not handle well files being generated into the source dir instead of the build dir
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3721
diff changeset
   377
        raise SystemExit(0)
3541
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   378
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   379
def build(bld):
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   380
    if Params.g_options.python_disable:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   381
        return
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   382
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   383
    env = bld.env_of_name('default')
3591
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   384
    curdir = bld.m_curdirnode.abspath()
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   385
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   386
    #Object.register('all-ns3-headers', AllNs3Headers)
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   387
    Action.Action('gen-ns3-metaheader', func=gen_ns3_metaheader, color='BLUE')
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   388
3486
818a6bbef490 Only generate everything.h if python bindings are enabled. Based on patch by Mathieu Lacage. Closes #260.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3485
diff changeset
   389
    if env['ENABLE_PYTHON_BINDINGS']:
818a6bbef490 Only generate everything.h if python bindings are enabled. Based on patch by Mathieu Lacage. Closes #260.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3485
diff changeset
   390
        obj = bld.create_obj('all_ns3_headers')
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   391
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   392
    if Params.g_options.python_scan:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   393
        if not env['ENABLE_PYTHON_SCANNING']:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   394
            Params.fatal("Cannot re-scan python bindings: (py)gccxml not available")
3541
15fe83e15ff5 Don't scan python bindings until the everything.h file to be scanned is generated. Closes #288.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3540
diff changeset
   395
        PythonScanTask(bld.m_curdirnode, env)
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   396
3424
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   397
    ## Get a list of scanned modules; the set of scanned modules
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   398
    ## may be smaller than the set of all modules, in case a new
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   399
    ## ns3 module is being developed which wasn't scanned yet.
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   400
    scanned_modules = []
3591
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   401
    for filename in os.listdir(curdir):
3424
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   402
        m = re.match(r"^ns3_module_(.+)\.py$", filename)
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   403
        if m is None:
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   404
            continue
3591
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   405
        name = m.group(1)
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   406
        if name.endswith("__local"):
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   407
            continue
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   408
        scanned_modules.append(name)
3424
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   409
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   410
    if env['ENABLE_PYTHON_BINDINGS']:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   411
        bindgen = bld.create_obj('command-output')
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   412
        bindgen.name = 'pybindgen'
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   413
        bindgen.command = env['PYTHON']
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   414
        bindgen.command_is_external = True
3411
eca46ea15a04 Redirect the stderr of pybindgen to a log file (ns3modulegen.log).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3409
diff changeset
   415
        bindgen.stderr = 'ns3modulegen.log'
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   416
        bindgen.argv = [
3742
3fd36a505c0e Upgrade to pybindgen rev. 598, to fix bug #291.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3734
diff changeset
   417
            #'-m', 'pdb',
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   418
            bindgen.input_file("ns3modulegen.py"),
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   419
            bindgen.output_file("ns3module.cc"),
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   420
            ]
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   421
        bindgen.argv.extend(get_modules_and_headers().iterkeys())
3647
cd704871a4ed Python bindings generation does not need to depend on the 'everything.h' file, only API scanning and compilation of the generated sources.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3639
diff changeset
   422
        bindgen.hidden_inputs = ['ns3modulegen_generated.py',
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   423
                                 'ns3modulegen_core_customizations.py']
3423
f84261098ab0 Make Python bindings depend only on NS-3 modules that have been API-scanned, not all modules.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3421
diff changeset
   424
f84261098ab0 Make Python bindings depend only on NS-3 modules that have been API-scanned, not all modules.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3421
diff changeset
   425
        for module in scanned_modules:
f84261098ab0 Make Python bindings depend only on NS-3 modules that have been API-scanned, not all modules.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3421
diff changeset
   426
            bindgen.hidden_inputs.append("ns3_module_%s.py" % module)
3591
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   427
            local = "ns3_module_%s__local.py" % module
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   428
            if os.path.exists(os.path.join(curdir, local)):
f548d13ffd4e Fix build when ns3_module_*__local.py files are used.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3575
diff changeset
   429
                bindgen.hidden_inputs.append(local)
3423
f84261098ab0 Make Python bindings depend only on NS-3 modules that have been API-scanned, not all modules.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3421
diff changeset
   430
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   431
        bindgen.hidden_outputs = ['ns3module.h']
3423
f84261098ab0 Make Python bindings depend only on NS-3 modules that have been API-scanned, not all modules.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3421
diff changeset
   432
        for module in scanned_modules:
f84261098ab0 Make Python bindings depend only on NS-3 modules that have been API-scanned, not all modules.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3421
diff changeset
   433
            bindgen.hidden_outputs.append("ns3_module_%s.cc" % module)
f84261098ab0 Make Python bindings depend only on NS-3 modules that have been API-scanned, not all modules.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3421
diff changeset
   434
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   435
        bindgen.prio = 50
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   436
3420
390db659644b If GtkConfigStore support is disabled, disable the python bindings for it, or else compilation fails.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3417
diff changeset
   437
        bindgen.os_env = dict(os.environ)
3639
8e69ebf086f1 Use the information provided by conf.report_optional_feature() to enable/disable python bindings for optional APIs
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3637
diff changeset
   438
        features = []
8e69ebf086f1 Use the information provided by conf.report_optional_feature() to enable/disable python bindings for optional APIs
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3637
diff changeset
   439
        for (name, caption, was_enabled, reason_not_enabled) in env['NS3_OPTIONAL_FEATURES']:
8e69ebf086f1 Use the information provided by conf.report_optional_feature() to enable/disable python bindings for optional APIs
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3637
diff changeset
   440
            if was_enabled:
8e69ebf086f1 Use the information provided by conf.report_optional_feature() to enable/disable python bindings for optional APIs
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3637
diff changeset
   441
                features.append(name)
8e69ebf086f1 Use the information provided by conf.report_optional_feature() to enable/disable python bindings for optional APIs
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3637
diff changeset
   442
        bindgen.os_env['NS3_ENABLED_FEATURES'] = ','.join(features)
3420
390db659644b If GtkConfigStore support is disabled, disable the python bindings for it, or else compilation fails.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3417
diff changeset
   443
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   444
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   445
    ## we build python bindings if either we have the tools to
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   446
    ## generate them or if the pregenerated source file is already
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   447
    ## present in the source dir.
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   448
    if env['ENABLE_PYTHON_BINDINGS'] \
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   449
            or os.path.exists(os.path.join(bld.m_curdirnode.abspath(), 'ns3module.cc')):
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   450
        pymod = bld.create_obj('cpp', 'shlib', 'pyext')
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   451
        pymod.source = ['ns3module.cc', 'ns3module_helpers.cc']
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   452
        pymod.includes = '.'
3424
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   453
        for module in scanned_modules:
fd8ae9ea848b Again, make Python depend only on scanned modules (last fix was incomplete).
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3423
diff changeset
   454
            pymod.source.append("ns3_module_%s.cc" % module)
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   455
        pymod.target = 'ns3/_ns3'
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   456
        pymod.name = 'ns3module'
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   457
        pymod.uselib_local = "ns3"
3417
06df0787254b Make sure we don't trigger deprecation warnings while compiling the python bindings.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents: 3412
diff changeset
   458
        pymod.env.append_value('CXXDEFINES', ['NS_DEPRECATED=""', 'NS3_DEPRECATED_H'])
3408
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   459
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   460
        # copy the __init__.py file to the build dir waf can't handle
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   461
        # this, it's against waf's principles to have build dir files
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   462
        # with the same name as source dir files, apparently.
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   463
        dirnode = bld.m_curdirnode.find_dir('ns3')
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   464
        src = os.path.join(dirnode.abspath(), '__init__.py')
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   465
        dst = os.path.join(dirnode.abspath(env), '__init__.py')
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   466
        try:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   467
            need_copy = os.stat(src).st_mtime > os.stat(dst).st_mtime
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   468
        except OSError:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   469
            need_copy = True
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   470
        if need_copy:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   471
            try:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   472
                os.mkdir(os.path.dirname(dst))
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   473
            except OSError:
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   474
                pass
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   475
            print "%r -> %r" % (src, dst)
2cc40b3e4fa5 python bindings
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
parents:
diff changeset
   476
            shutil.copy2(src, dst)