Example #1
0
def get(scanner_class, properties):
    """ Returns an instance of previously registered scanner
        with the specified properties.
    """
    scanner_name = str(scanner_class)
    
    if not registered(scanner_name):
        raise BaseException ("attempt to get unregisted scanner: %s" % scanner_name)

    relevant_properties = __scanners[scanner_name]
    r = property.select(relevant_properties, properties)

    scanner_id = scanner_name + '.' + '-'.join(r)
    
    if not __scanner_cache.has_key(scanner_name):
        __scanner_cache[scanner_name] = scanner_class(r)

    return __scanner_cache[scanner_name]
Example #2
0
def get(scanner_class, properties):
    """ Returns an instance of previously registered scanner
        with the specified properties.
    """
    scanner_name = str(scanner_class)
    
    if not registered(scanner_name):
        raise BaseException ("attempt to get unregisted scanner: %s" % scanner_name)

    relevant_properties = __scanners[scanner_name]
    r = property.select(relevant_properties, properties)

    scanner_id = scanner_name + '.' + '-'.join(r)
    
    if not __scanner_cache.has_key(scanner_name):
        __scanner_cache[scanner_name] = scanner_class(r)

    return __scanner_cache[scanner_name]
Example #3
0
def get(scanner_class, properties):
    """ Returns an instance of previously registered scanner
        with the specified properties.
    """
    assert issubclass(scanner_class, Scanner)
    assert is_iterable_typed(properties, basestring)
    scanner_name = str(scanner_class)

    if not registered(scanner_name):
        raise BaseException ("attempt to get unregistered scanner: %s" % scanner_name)

    relevant_properties = __scanners[scanner_name]
    r = property.select(relevant_properties, properties)

    scanner_id = scanner_name + '.' + '-'.join(r)

    if scanner_id not in __scanner_cache:
        __scanner_cache[scanner_id] = scanner_class(r)

    return __scanner_cache[scanner_id]
Example #4
0
def __handle_flag_value(manager, value, properties):
    result = []

    if get_grist(value):
        matches = property.select(value, properties)
        for p in matches:
            att = feature.attributes(get_grist(p))

            ungristed = replace_grist(p, '')

            if 'dependency' in att:
                # the value of a dependency feature is a target
                # and must be actualized
                # FIXME: verify that 'find' actually works, ick!
                result.append(manager.targets().find(ungristed).actualize())

            elif 'path' in att or 'free' in att:
                values = []

                # Treat features with && in the value
                # specially -- each &&-separated element is considered
                # separate value. This is needed to handle searched
                # libraries, which must be in specific order.
                if not __re_two_ampersands.search(ungristed):
                    values.append(ungristed)

                else:
                    values.extend(value.split('&&'))

                result.extend(values)
            else:
                result.append(ungristed)
    else:
        result.append(value)

    return result
Example #5
0
def __handle_flag_value (manager, value, properties):
    result = []
    
    if get_grist (value):
        matches = property.select (value, properties)
        for p in matches:
            att = feature.attributes (get_grist (p))
            
            ungristed = replace_grist (p, '')

            if 'dependency' in att:
                # the value of a dependency feature is a target
                # and must be actualized
                # FIXME: verify that 'find' actually works, ick!
                result.append (manager.targets ().find (ungristed).actualize ())

            elif 'path' in att or 'free' in att:
                values = []
                
                # Treat features with && in the value
                # specially -- each &&-separated element is considered
                # separate value. This is needed to handle searched
                # libraries, which must be in specific order.
                if not __re_two_ampersands.search (ungristed):
                    values.append (ungristed)

                else:
                    values.extend(value.split ('&&'))

                result.extend(values)
            else:
                result.append (ungristed)
    else:
        result.append (value)

    return result