class ConfigError(BaseCClass):
TYPE_NAME = "config_error"
_free = ConfigPrototype("void config_error_free(config_error)")
_count = ConfigPrototype("int config_error_count(config_error)")
_iget = ConfigPrototype("char* config_error_iget(config_error, int)")
def __init__(self):
raise NotImplementedError("Class can not be instantiated directly!")
def __getitem__(self, index):
""" @rtype: str """
if not isinstance(index, int):
raise TypeError("Expected an integer")
size = len(self)
if index >= size:
raise IndexError("Index out of range: %d < %d" % (index, size))
return self._iget(index)
def __len__(self):
""" @rtype: int """
return self._count()
def free(self):
self._free()
class ContentItem(BaseCClass):
TYPE_NAME = "content_item"
_size = ConfigPrototype("int config_content_item_get_size( content_item )")
_iget_content_node = ConfigPrototype(
"content_node_ref config_content_item_iget_node( content_item , int)")
# Not possible to create new python instances of this class
def __init__(self):
raise NotImplementedError("Class can not be instantiated directly!")
def __len__(self):
return self._size()
def __getitem__(self, index):
if isinstance(index, int):
if index < 0:
index += len(self)
if (index >= 0) and (index < len(self)):
return self._iget_content_node(index).setParent(self)
else:
raise IndexError
else:
raise TypeError("[] operator must have integer index")
def last(self):
return self[-1]
def getValue(self, item_index=-1, node_index=0):
node = self[item_index]
return node[node_index]
class SchemaItem(BaseCClass):
TYPE_NAME = "schema_item"
_alloc = ConfigPrototype("void* config_schema_item_alloc( char* , bool )",
bind=False)
_free = ConfigPrototype("void config_schema_item_free( schema_item )")
_iget_type = ConfigPrototype(
"config_content_type_enum config_schema_item_iget_type( schema_item, int)"
)
_iset_type = ConfigPrototype(
"void config_schema_item_iset_type( schema_item , int , config_content_type_enum)"
)
_set_argc_minmax = ConfigPrototype(
"void config_schema_item_set_argc_minmax( schema_item , int , int)")
def __init__(self, keyword, required=False):
c_ptr = self._alloc(keyword, required)
super(SchemaItem, self).__init__(c_ptr)
def iget_type(self, index):
""" @rtype: ContentTypeEnum """
return self._iget_type(index)
def iset_type(self, index, schema_type):
"""
@type schema_type: ContentTypeEnum
"""
assert isinstance(schema_type, ContentTypeEnum)
self._iset_type(index, schema_type)
def set_argc_minmax(self, minimum, maximum):
self._set_argc_minmax(minimum, maximum)
def free(self):
self._free()
class ConfigContent(BaseCClass):
TYPE_NAME = "config_content"
_free = ConfigPrototype("void config_content_free( config_content )")
_is_valid = ConfigPrototype(
"bool config_content_is_valid( config_content )")
_has_key = ConfigPrototype(
"bool config_content_has_item( config_content , char*)")
_get_item = ConfigPrototype(
"content_item_ref config_content_get_item( config_content , char*)")
_get_errors = ConfigPrototype(
"config_error_ref config_content_get_errors( config_content )")
def __init__(self):
raise NotImplementedError("Class can not be instantiated directly!")
def __contains__(self, key):
return self._has_key(key)
def setParser(self, parser):
self._parser = parser
def __getitem__(self, key):
if key in self:
item = self._get_item(key)
item.setParent(self)
return item
else:
if key in self._parser:
schema_item = SchemaItem(key)
return ContentItem(schema_item)
else:
raise KeyError("No such key: %s" % key)
def hasKey(self, key):
return key in self
def getValue(self, key, item_index=-1, node_index=0):
item = self[key]
return item.getValue(item_index, node_index)
def isValid(self):
return self._is_valid()
def free(self):
self._free()
def getErrors(self):
""" @rtype: ConfigError """
return self._get_errors()
class ContentItem(BaseCClass):
TYPE_NAME = "content_item"
_alloc = ConfigPrototype(
"void* config_content_item_alloc( schema_item , void* )", bind=False)
_size = ConfigPrototype("int config_content_item_get_size( content_item )")
_iget_content_node = ConfigPrototype(
"content_node_ref config_content_item_iget_node( content_item , int)")
_free = ConfigPrototype("void config_content_item_free( content_item )")
def __init__(self, schema_item):
path_elm = None
c_ptr = self._alloc(schema_item, path_elm)
super(ContentItem, self).__init__(c_ptr)
def __len__(self):
return self._size()
def __getitem__(self, index):
if isinstance(index, int):
if index < 0:
index += len(self)
if (index >= 0) and (index < len(self)):
return self._iget_content_node(index).setParent(self)
else:
raise IndexError
else:
raise TypeError("[] operator must have integer index")
def last(self):
return self[-1]
def getValue(self, item_index=-1, node_index=0):
node = self[item_index]
return node[node_index]
def free(self):
self._free()
class ConfigSettings(BaseCClass):
TYPE_NAME = "config_settings"
_alloc = ConfigPrototype("void* config_settings_alloc(char*)", bind=False)
_free = ConfigPrototype("void config_settings_free(config_settings)")
_add_setting = ConfigPrototype(
"bool config_settings_add_setting(config_settings , char* , config_content_type_enum, char*)"
)
_add_double_setting = ConfigPrototype(
"void config_settings_add_double_setting(config_settings , char* , double)"
)
_add_int_setting = ConfigPrototype(
"void config_settings_add_int_setting(config_settings , char* , int)")
_add_string_setting = ConfigPrototype(
"void config_settings_add_string_setting(config_settings , char* , char*)"
)
_add_bool_setting = ConfigPrototype(
"void config_settings_add_bool_setting(config_settings , char* , bool)"
)
_has_key = ConfigPrototype(
"bool config_settings_has_key(config_settings , char*)")
_get_type = ConfigPrototype(
"config_content_type_enum config_settings_get_value_type(config_settings, char*)"
)
_init_parser = ConfigPrototype(
"void config_settings_init_parser(config_settings, config_parser, bool)"
)
_apply = ConfigPrototype(
"void config_settings_apply(config_settings, config_content)")
_alloc_keys = ConfigPrototype(
"stringlist_obj config_settings_alloc_keys(config_settings)")
_get = ConfigPrototype(
"char* config_settings_get_value(config_settings, char*)")
_get_int = ConfigPrototype(
"int config_settings_get_int_value(config_settings, char*)")
_get_double = ConfigPrototype(
"double config_settings_get_double_value(config_settings, char*)")
_get_bool = ConfigPrototype(
"bool config_settings_get_bool_value(config_settings, char*)")
_set = ConfigPrototype(
"bool config_settings_set_value(config_settings, char*, char*)")
_set_int = ConfigPrototype(
"bool config_settings_set_int_value(config_settings, char*, int)")
_set_double = ConfigPrototype(
"bool config_settings_set_double_value(config_settings, char*, double)"
)
_set_bool = ConfigPrototype(
"bool config_settings_set_bool_value(config_settings, char*, bool)")
def __init__(self, root_key):
c_ptr = ConfigSettings._alloc(root_key)
super(ConfigSettings, self).__init__(c_ptr)
def __contains__(self, key):
return self._has_key(key)
def __getitem__(self, key):
if key in self:
value_type = self._get_type(key)
if value_type == ContentTypeEnum.CONFIG_INT:
return self._get_int(key)
if value_type == ContentTypeEnum.CONFIG_FLOAT:
return self._get_double(key)
if value_type == ContentTypeEnum.CONFIG_BOOL:
return self._get_bool(key)
return self._get(key)
else:
raise KeyError("Settings object does not support key:%s" % key)
def __setitem__(self, key, value):
if key in self:
value_type = self._get_type(key)
if value_type == ContentTypeEnum.CONFIG_INT:
self._set_int(key, value)
return
if value_type == ContentTypeEnum.CONFIG_FLOAT:
self._set_double(key, value)
return
if value_type == ContentTypeEnum.CONFIG_BOOL:
if type(value) is bool:
self._set_bool(key, value)
return
else:
raise TypeError("Type of %s should be boolean" % key)
if not self._set(key, value):
raise TypeError("Setting %s=%s failed \n" % (key, value))
else:
raise KeyError("Settings object does not support key:%s" % key)
def free(self):
self._free()
def addSetting(self, key, value_type, initial_value):
if not self._add_setting(key, value_type, str(initial_value)):
raise TypeError("Failed to add setting %s with initial value %s" %
(key, initial_value))
def addIntSetting(self, key, initial_value):
self._add_int_setting(key, initial_value)
def addDoubleSetting(self, key, initial_value):
self._add_double_setting(key, initial_value)
def addStringSetting(self, key, initial_value):
self._add_string_setting(key, initial_value)
def addBoolSetting(self, key, initial_value):
self._add_bool_setting(key, initial_value)
def initParser(self, parser, required=False):
self._init_parser(parser, required)
def apply(self, config_content):
self._apply(config_content)
def keys(self):
return self._alloc_keys()
def getType(self, key):
if key in self:
return self._get_type(key)
else:
raise KeyError("No such key:%s" % key)
class ContentNode(BaseCClass):
TYPE_NAME = "content_node"
_iget = ConfigPrototype(
"char* config_content_node_iget( content_node , int)")
_size = ConfigPrototype("int config_content_node_get_size( content_node )")
_get_full_string = ConfigPrototype(
"char* config_content_node_get_full_string( content_node , char* )")
_iget_type = ConfigPrototype(
"config_content_type_enum config_content_node_iget_type( content_node , int)"
)
_iget_as_abspath = ConfigPrototype(
"char* config_content_node_iget_as_abspath( content_node , int)")
_iget_as_relpath = ConfigPrototype(
"char* config_content_node_iget_as_relpath( content_node , int)")
_iget_as_string = ConfigPrototype(
"char* config_content_node_iget( content_node , int)")
_iget_as_int = ConfigPrototype(
"int config_content_node_iget_as_int( content_node , int)")
_iget_as_double = ConfigPrototype(
"double config_content_node_iget_as_double( content_node , int)")
_iget_as_path = ConfigPrototype(
"char* config_content_node_iget_as_path( content_node , int)")
_iget_as_bool = ConfigPrototype(
"bool config_content_node_iget_as_bool( content_node , int)")
_iget_as_isodate = ConfigPrototype(
"time_t config_content_node_iget_as_isodate( content_node , int)")
typed_get = {
ContentTypeEnum.CONFIG_STRING: _iget_as_string,
ContentTypeEnum.CONFIG_INT: _iget_as_int,
ContentTypeEnum.CONFIG_FLOAT: _iget_as_double,
ContentTypeEnum.CONFIG_PATH: _iget_as_path,
ContentTypeEnum.CONFIG_EXISTING_PATH: _iget_as_path,
ContentTypeEnum.CONFIG_BOOL: _iget_as_bool,
ContentTypeEnum.CONFIG_ISODATE: _iget_as_isodate
}
def __init__(self):
raise NotImplementedError("Class can not be instantiated directly!")
def __len__(self):
return self._size()
def __assertIndex(self, index):
if isinstance(index, int):
if index < 0:
index += len(self)
if not 0 <= index < len(self):
raise IndexError
return index
else:
raise TypeError("Invalid argument type: %s" % index)
def __getitem__(self, index):
index = self.__assertIndex(index)
content_type = self._iget_type(index)
typed_get = self.typed_get[content_type]
return typed_get(self, index)
def getPath(self, index=0, absolute=True, relative_start=None):
index = self.__assertIndex(index)
content_type = self._iget_type(index)
if content_type in [
ContentTypeEnum.CONFIG_EXISTING_PATH,
ContentTypeEnum.CONFIG_PATH
]:
if absolute:
return self._iget_as_abspath(index)
else:
if relative_start is None:
return self._iget_as_relpath(index)
else:
abs_path = self._iget_as_abspath(index)
return os.path.relpath(abs_path, relative_start)
else:
raise TypeError(
"The getPath() method can only be called on PATH items")
def content(self, sep=" "):
return self._get_full_string(sep)
def igetString(self, index):
index = self.__assertIndex(index)
return self._iget(index)
def asList(self):
return [x for x in self]
class SchemaItem(BaseCClass):
TYPE_NAME = "schema_item"
_alloc = ConfigPrototype("void* config_schema_item_alloc( char* , bool )", bind=False)
_free = ConfigPrototype("void config_schema_item_free( schema_item )")
_iget_type = ConfigPrototype("config_content_type_enum config_schema_item_iget_type( schema_item, int)")
_iset_type = ConfigPrototype("void config_schema_item_iset_type( schema_item , int , config_content_type_enum)")
_set_argc_minmax = ConfigPrototype("void config_schema_item_set_argc_minmax( schema_item , int , int)")
_add_alternative = ConfigPrototype("void config_schema_item_add_indexed_alternative(schema_item , int , char*)")
_set_deprecated = ConfigPrototype("void config_schema_item_set_deprecated(schema_item , char*)")
_valid_string = ConfigPrototype("bool config_schema_item_valid_string(config_content_type_enum , char*)", bind = False)
_sscanf_bool = UtilPrototype("bool util_sscanf_bool( char* , bool*)", bind = False)
def __init__(self, keyword, required=False):
c_ptr = self._alloc(keyword, required)
super(SchemaItem, self).__init__(c_ptr)
@classmethod
def validString(cls , value_type, value):
return cls._valid_string( value_type , value )
@classmethod
def convert(cls, value_type, value_string):
if cls.validString(value_type , value_string):
if value_type == ContentTypeEnum.CONFIG_INT:
return int(value_string)
if value_type == ContentTypeEnum.CONFIG_FLOAT:
return float(value_string)
if value_type == ContentTypeEnum.CONFIG_BOOL:
value = ctypes.c_bool()
SchemaItem._sscanf_bool( value_string , ctypes.byref( value ))
return value.value
return value_string
else:
raise ValueError("Invalid string value: %s" % value_string)
def iget_type( self, index):
""" @rtype: ContentTypeEnum """
return self._iget_type(index)
def iset_type( self, index, schema_type ):
"""
@type schema_type: ContentTypeEnum
"""
assert isinstance(schema_type, ContentTypeEnum)
self._iset_type(index, schema_type)
def set_argc_minmax(self, minimum, maximum):
self._set_argc_minmax(minimum, maximum)
def initSelection(self , index , alternatives):
for alt in alternatives:
self.addAlternative( index , alt )
def addAlternative(self , index , alt):
self._add_alternative( index , alt )
def setDeprecated(self , msg):
"""This method can be used to mark this item as deprecated.
If the deprecated item is used in a configuration file the
@msg will be added to the warnings of the ConfigContent
object,
"""
self._set_deprecated( msg )
def free(self):
self._free()
class ConfigParser(BaseCClass):
TYPE_NAME = "config_parser"
_alloc = ConfigPrototype("void* config_alloc( )", bind=False)
_add = ConfigPrototype(
"schema_item_ref config_add_schema_item( config_parser , char* , bool)"
)
_free = ConfigPrototype("void config_free( config_parser )")
_parse = ConfigPrototype(
"config_content_obj config_parse( config_parser , char* , char* , char* , char* , hash , config_unrecognized_enum , bool )"
)
_get_schema_item = ConfigPrototype(
"schema_item_ref config_get_schema_item( config_parser , char*)")
_has_schema_item = ConfigPrototype(
"bool config_has_schema_item( config_parser , char*)")
def __init__(self):
c_ptr = self._alloc()
super(ConfigParser, self).__init__(c_ptr)
def __contains__(self, keyword):
return self._has_schema_item(keyword)
def add(self, keyword, required=False, value_type=None):
item = self._add(keyword, required).setParent(self)
if value_type:
item.iset_type(0, value_type)
return item
def getSchemaItem(self, keyword):
if keyword in self:
item = self._get_schema_item(keyword)
item.setParent(self)
else:
raise KeyError("Config parser does not have item:%s" % keyword)
def parse(self,
config_file,
comment_string="--",
include_kw="INCLUDE",
define_kw="DEFINE",
pre_defined_kw_map=None,
unrecognized=UnrecognizedEnum.CONFIG_UNRECOGNIZED_WARN,
validate=True):
""" @rtype: ConfigContent """
assert isinstance(unrecognized, UnrecognizedEnum)
if os.path.exists(config_file):
config_content = self._parse(config_file, comment_string,
include_kw, define_kw,
pre_defined_kw_map, unrecognized,
validate)
if config_content.isValid():
return config_content
else:
sys.stderr.write("Errors parsing:%s \n" % config_file)
for count, error in enumerate(config_content.getErrors()):
sys.stderr.write(" %02d:%s\n" % (count, error))
raise Exception("Parsing:%s failed" % config_file)
else:
raise IOError("File: %s does not exists" % config_file)
def free(self):
self._free()
