Пример #1
0
def include(code, persist=True, compilerflags=None):
    """This function replaces the *calling module* with a dynamic
    module that generates code on demand.  The code is generated from
    type descriptions that are created by gccxml compiling the C code
    'code'.

    If <persist> is True, generated code is appended to the module's
    source code, otherwise the generated code is executed and then
    thrown away.

    The calling module must load all the shared libraries that it uses
    *BEFORE* this function is called.

    NOTE:
     - the calling module MUST contain 'from ctypes import *',
       and, on windows, also 'from ctypes.wintypes import *'.
    """
    compilerflags = compilerflags or ["-c"]
    # create a hash for the code, and use that as basename for the
    # files we have to create
    fullcode = "/* compilerflags: %r */\n%s" % (compilerflags, code)
    hashval = md5(fullcode).hexdigest()

    fnm = os.path.abspath(os.path.join(gen_dir, hashval))
    h_file = fnm + ".h"
    xml_file = fnm + ".xml"
    tdesc_file = fnm + ".typedesc.bz2"

    if not os.path.exists(h_file):
        open(h_file, "w").write(fullcode)
    if is_newer(h_file, tdesc_file):
        if is_newer(h_file, xml_file):
            print("# Compiling into...", xml_file, file=sys.stderr)
            from ctypeslib import h2xml
            h2xml.compile_to_xml([
                "h2xml", "-I",
                os.path.dirname(fnm), "-q", h_file, "-o", xml_file
            ] + list(compilerflags))
        if is_newer(xml_file, tdesc_file):
            print("# Parsing XML file and compressing type descriptions...",
                  file=sys.stderr)
            decls = gccxmlparser.parse(xml_file)
            ofi = bz2.BZ2File(tdesc_file, "w")
            data = cPickle.dump(decls, ofi, -1)
            os.remove(xml_file)  # not needed any longer.

    frame = sys._getframe(1)
    glob = frame.f_globals
    name = glob["__name__"]
    mod = sys.modules[name]
    sys.modules[name] = DynamicModule(mod, tdesc_file, persist=persist)
Пример #2
0
def include(code, persist=True, compilerflags=None):
    """This function replaces the *calling module* with a dynamic
    module that generates code on demand.  The code is generated from
    type descriptions that are created by gccxml compiling the C code
    'code'.

    If <persist> is True, generated code is appended to the module's
    source code, otherwise the generated code is executed and then
    thrown away.

    The calling module must load all the shared libraries that it uses
    *BEFORE* this function is called.

    NOTE:
     - the calling module MUST contain 'from ctypes import *',
       and, on windows, also 'from ctypes.wintypes import *'.
    """
    compilerflags = compilerflags or ["-c"]
    # create a hash for the code, and use that as basename for the
    # files we have to create
    fullcode = "/* compilerflags: %r */\n%s" % (compilerflags, code)
    hashval = md5(fullcode).hexdigest()

    fnm = os.path.abspath(os.path.join(gen_dir, hashval))
    h_file = fnm + ".h"
    xml_file = fnm + ".xml"
    tdesc_file = fnm + ".typedesc.bz2"

    if not os.path.exists(h_file):
        open(h_file, "w").write(fullcode)
    if is_newer(h_file, tdesc_file):
        if is_newer(h_file, xml_file):
            print >>sys.stderr, "# Compiling into...", xml_file
            from ctypeslib import h2xml

            h2xml.compile_to_xml(
                ["h2xml", "-I", os.path.dirname(fnm), "-q", h_file, "-o", xml_file] + list(compilerflags)
            )
        if is_newer(xml_file, tdesc_file):
            print >>sys.stderr, "# Parsing XML file and compressing type descriptions..."
            decls = gccxmlparser.parse(xml_file)
            ofi = bz2.BZ2File(tdesc_file, "w")
            data = cPickle.dump(decls, ofi, -1)
            os.remove(xml_file)  # not needed any longer.

    frame = sys._getframe(1)
    glob = frame.f_globals
    name = glob["__name__"]
    mod = sys.modules[name]
    sys.modules[name] = DynamicModule(mod, tdesc_file, persist=persist)
Пример #3
0
def query_items(xml):
    # XXX: support filter
    xml_items = parse(xml)
    #items = {}
    keep = set()
    named = {}
    locations = {}
    for it in xml_items:
        #items[it] = it
        keep.add(it)

        if hasattr(it, 'name'):
            named[it] = it.name

        if hasattr(it, 'location'):
            locations[it] = it.location

    return keep, named, locations