Bro/Zeek Logging Framework for Python¶

Table of Contents¶

Module Contents¶

Bro/Zeek logging framework.

zlogging.write(data, filename, format, *args, **kwargs)

Write Bro/Zeek log file.

Parameters

data (Iterable of Model) – Log records as an Iterable of Model per line.
filename (os.PathLike) – Log file name.
format (str) – Log format.
*args – See write_json() and write_ascii() for more information.
**kwargs – See write_json() and write_ascii() for more information.

Raises

WriterFormatError – If format is not supported.

zlogging.dump(data, file, format, *args, **kwargs)

Write Bro/Zeek log file.

Parameters

data (Iterable of Model) – Log records as an Iterable of Model per line.
format (str) – Log format.
file (_io.TextIOWrapper) – Log file object opened in text mode.
*args – See dump_json() and dump_ascii() for more information.
**kwargs – See dump_json() and dump_ascii() for more information.

Raises

WriterFormatError – If format is not supported.

zlogging.dumps(data, format, *args, **kwargs)

Write Bro/Zeek log string.

Parameters

data (Iterable of Model) – Log records as an Iterable of Model per line.
format (str) – Log format.
*args – See dumps_json() and dumps_ascii() for more information.
**kwargs – See dumps_json() and dumps_ascii() for more information.

Raises

WriterFormatError – If format is not supported.

zlogging.parse(filename, *args, **kwargs)

Parse Bro/Zeek log file.

Parameters

filename (os.PathLike) – Log file name.
*args – See parse_json() and parse_ascii() for more information.
**kwargs – See parse_json() and parse_ascii() for more information.

Returns

The parsed JSON log data.

Raises

ParserError – If the format of the log file is unknown.

Return type

Union[zlogging._data.JSONInfo, zlogging._data.ASCIIInfo]

zlogging.load(file, *args, **kwargs)

Parse Bro/Zeek log file.

Parameters

file (_io.BufferedReader) – Log file object opened in binary mode.
*args – See load_json() and load_ascii() for more information.
**kwargs – See load_json() and load_ascii() for more information.

Returns

The parsed JSON log data.

Raises

ParserError – If the format of the log file is unknown.

Return type

Union[zlogging._data.JSONInfo, zlogging._data.ASCIIInfo]

zlogging.loads(data, *args, **kwargs)

Parse Bro/Zeek log string.

Parameters

data (AnyStr) – Log string as binary or encoded string.
*args – See loads_json() and loads_ascii() for more information.
**kwargs – See loads_json() and loads_ascii() for more information.

Returns

The parsed JSON log data.

Raises

ParserError – If the format of the log file is unknown.

Return type

Union[zlogging._data.JSONInfo, zlogging._data.ASCIIInfo]

class zlogging.Model(*args, **kwargs)

Bases: object

Log data model.

Variables

__fields__ (OrderedDict mapping str and BaseType) – Fields of the data model.
__record_fields__ (OrderedDict mapping str and RecordType) – Fields of record data type in the data model.
__empty_field__ (bytes) – Placeholder for empty field.
__unset_field__ (bytes) – Placeholder for unset field.
__set_separator__ (bytes) – Separator for set/vector fields.

Warns

BroDeprecationWarning – Use of bro_* type annotations.

Raises

ModelValueError – In case of inconsistency between field data types, or values of unset_field, empty_field and set_separator.
ModelTypeError – Wrong parameters when initialisation.

Note

Customise the Model.__post_init__ method in your subclassed data model to implement your own ideas.

Example

Define a custom log data model using the prefines Bro/Zeek data types, or subclasses of BaseType:

class MyLog(Model):
    field_one = StringType()
    field_two = SetType(element_type=PortType)

Or you may use type annotations as PEP 484 introduced when declaring data models. All available type hints can be found in typing:

class MyLog(Model):
    field_one: zeek_string
    field_two: zeek_set[zeek_port]

However, when mixing annotations and direct assignments, annotations will take proceedings, i.e. the Model class shall process first annotations then assignments. Should there be any conflicts, ModelError will be raised.

See also

See _aux_expand_typing() for more information about processing the fields.

property fields: OrderedDict mapping str and BaseType: fields of the data model

property unset_field: bytes: placeholder for empty field

property empty_field: bytes: placeholder for unset field

property set_separator: bytes: separator for set/vector fields

__post_init__(): Post-processing customisation.

__call__(format)

Serialise data model with given format.

Parameters: format (str) – Serialisation format.
Returns: The serialised data.
Raises: ModelFormatError – If format is not supproted, i.e. Mode.to{format}() does not exist.
Return type: Any

tojson()

Serialise data model as JSON log format.

Returns: An OrderedDict mapping each field and serialised JSON serialisable data.
Return type: OrderedDict[str, Any]

toascii()

Serialise data model as ASCII log format.

Returns: An OrderedDict mapping each field and serialised text data.
Return type: OrderedDict[str, str]

asdict(dict_factory=None)

Convert data model as a dictionary mapping field names to field values.

Parameters: dict_factory (Optional[type]) – If given, dict_factory will be used instead of built-in dict.
Returns: A dictionary mapping field names to field values.
Return type: Dict[str, Any]

astuple(tuple_factory=None)

Convert data model as a tuple of field values.

Parameters: tuple_factory (Optional[type]) – If given, tuple_factory will be used instead of built-in tuple.
Returns: A tuple of field values.
Return type: Tuple[Any]

zlogging.new_model(name, **fields)

Create a data model dynamically with the appropriate fields.

Parameters

name (str) – data model name
**fields – defined fields of the data model
Any] fields (Dict[str,) –

Returns

created data model

Return type

Model

Examples

Typically, we define a data model by subclassing the Model class, as following:

class MyLog(Model):
    field_one = StringType()
    field_two = SetType(element_type=PortType)

when defining dynamically with new_model(), the definition above can be rewrote to:

MyLog = new_model('MyLog', field_one=StringType(), field_two=SetType(element_type=PortType))

class zlogging.AddrType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek addr data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, ipaddress.IPv4Address, ipaddress.IPv6Address]) – raw data
Returns: The parsed IP address. If data is unset, None will be returned.
Return type: Union[None, ipaddress.IPv4Address, ipaddress.IPv6Address]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, ipaddress.IPv4Address, ipaddress.IPv6Address]) – raw data
Returns: The JSON serialisable IP address string.
Return type: str

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, ipaddress.IPv4Address, ipaddress.IPv6Address]) – raw data
Returns: The ASCII representation of the IP address.
Return type: str

class zlogging.BoolType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek bool data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, bool]) – raw data
Returns: The parsed boolean data. If data is unset, None will be returned.
Raises: ZeekValueError – If data is NOT unset and NOT T (True) nor F (False) in Bro/Zeek script language.
Return type: Union[None, bool]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, bool]) – raw data
Returns: The JSON serialisable boolean data.
Return type: Union[None, bool]

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, bool]) – raw data
Returns: T if True, F if False.
Return type: str

class zlogging.CountType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek count data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, ctypes.c_ulong]) – raw data
Returns: The parsed numeral data. If data is unset, None will be returned.
Return type: Union[None, ctypes.c_ulong]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, ctypes.c_ulong]) – raw data
Returns: The JSON serialisable numeral data.
Return type: int

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, ctypes.c_ulong]) – raw data
Returns: The ASCII representation of numeral data.
Return type: str

class zlogging.DoubleType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek double data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, decimal.Decimal]) – raw data
Returns: The parsed numeral data. If data is unset, None will be returned.
Return type: Union[None, decimal.Decimal]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, decimal.Decimal]) – raw data
Returns: The JSON serialisable numeral data.
Return type: float

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, decimal.Decimal]) – raw data
Returns: The ASCII representation of numeral data.
Return type: str

class zlogging.EnumType(empty_field=None, unset_field=None, set_separator=None, namespaces=None, bare=False, enum_hook=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek enum data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
namespaces (List[str], optional) – Namespaces to be loaded.
bare (bool, optional) – If True, do not load zeek namespace by default.
enum_hook (dict mapping of str and enum.Enum, optional) – Additional enum to be included in the namespace.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.
enum_namespaces (dict mapping str and enum.Enum) – Global namespace for enum data type.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, enum.Enum]) – raw data
Returns: The parsed enum data. If data is unset, None will be returned.
Warns: ZeekValueWarning – If date is not defined in the enum namespace.
Return type: Union[None, enum.Enum]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, enum.Enum]) – raw data
Returns: The JSON serialisable enum data.
Return type: str

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, enum.Enum]) – raw data
Returns: The ASCII representation of the enum data.
Return type: str

class zlogging.IntervalType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek interval data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, datetime.timedelta]) – raw data
Returns: The parsed numeral data. If data is unset, None will be returned.
Return type: Union[None, datetime.timedelta]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, datetime.timedelta]) – raw data
Returns: The JSON serialisable numeral data.
Return type: int

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, datetime.timedelta]) – raw data
Returns: The ASCII representation of numeral data.
Return type: str

class zlogging.IntType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek int data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, ctypes.c_long]) – raw data
Returns: The parsed numeral data. If data is unset, None will be returned.
Return type: Union[None, ctypes.c_long]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, ctypes.c_long]) – raw data
Returns: The JSON serialisable numeral data.
Return type: int

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, ctypes.c_long]) – raw data
Returns: The ASCII representation of numeral data.
Return type: str

class zlogging.PortType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek port data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, ctypes.c_ushort]) – raw data
Returns: The parsed port number. If data is unset, None will be returned.
Return type: Union[None, ctypes.c_ushort]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, ctypes.c_ushort]) – raw data
Returns: The JSON serialisable port number string.
Return type: int

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, ctypes.c_ushort]) – raw data
Returns: The ASCII representation of the port number.
Return type: str

class zlogging.RecordType(empty_field=None, unset_field=None, set_separator=None, *args, **element_mapping)

Bases: zlogging.types._VariadicType

Bro/Zeek record data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – element_mapping (dict mapping str and BaseType instance): Data type of container’s elements.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.
element_mapping (dict mapping str and BaseType instance) – Data type of container’s elements.

Raises

ZeekTypeError – If element_mapping is not supplied.
ZeekValueError – If element_mapping is not a valid Bro/Zeek data type; or in case of inconsistency from empty_field, unset_field and set_separator of each field.

Note

A valid element_mapping should be a simple or generic data type, i.e. a subclass of _SimpleType or _GenericType.

See also

See _aux_expand_typing() for more information about processing the fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

class zlogging.SetType(empty_field=None, unset_field=None, set_separator=None, element_type=None, *args, **kwargs)

Bases: zlogging.types._GenericType, typing.Generic

Bro/Zeek set data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
element_type (BaseType instance) – Data type of container’s elements.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.
element_type (BaseType instance) – Data type of container’s elements.

Raises

ZeekTypeError – If element_type is not supplied.
ZeekValueError – If element_type is not a valid Bro/Zeek data type.

Example

As a generic data type, the class supports the typing proxy as introduced PEP 484:

>>> SetType[StringType]

which is the same at runtime as following:

>>> SetType(element_type=StringType())

Note

A valid element_type should be a simple data type, i.e. a subclass of _SimpleType.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, Set[data]]) – raw data
Returns: The parsed set data. If data is unset, None will be returned.
Return type: Union[None, Set[data]]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, Set[data]]) – raw data
Returns: The JSON serialisable set data.
Return type: list

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, Set[data]]) – raw data
Returns: The ASCII representation of the set data.
Return type: str

class zlogging.StringType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek string data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, memoryview, bytearray]) – raw data
Returns: The parsed string data. If data is unset, None will be returned.
Return type: Union[None, ByteString]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, ByteString]) – raw data
Returns: The JSON serialisable string data encoded in ASCII.
Return type: str

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, ByteString]) – raw data
Returns: The ASCII encoded string data.
Return type: str

class zlogging.SubnetType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek subnet data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, ipaddress.IPv4Network, ipaddress.IPv6Network]) – raw data
Returns: The parsed IP network. If data is unset, None will be returned.
Return type: Union[None, ipaddress.IPv4Network, ipaddress.IPv6Network]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, ipaddress.IPv4Network, ipaddress.IPv6Network]) – raw data
Returns: The JSON serialisable IP network string.
Return type: str

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, ipaddress.IPv4Network, ipaddress.IPv6Network]) – raw data
Returns: The ASCII representation of the IP network.
Return type: str

class zlogging.TimeType(empty_field=None, unset_field=None, set_separator=None, *args, **kwargs)

Bases: zlogging.types._SimpleType

Bro/Zeek time data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, datetime.datetime]) – raw data
Returns: The parsed numeral data. If data is unset, None will be returned.
Return type: Union[None, datetime.datetime]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, datetime.datetime]) – raw data
Returns: The JSON serialisable numeral data.
Return type: int

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, datetime.datetime]) – raw data
Returns: The ASCII representation of numeral data.
Return type: str

class zlogging.VectorType(empty_field=None, unset_field=None, set_separator=None, element_type=None, *args, **kwargs)

Bases: zlogging.types._GenericType, typing.Generic

Bro/Zeek vector data type.

Parameters

empty_field (bytes or str, optional) – Placeholder for empty field.
unset_field (bytes or str, optional) – Placeholder for unset field.
set_separator (bytes or str, optional) – Separator for set/vector fields.
element_type (BaseType instance) – Data type of container’s elements.
*args – Variable length argument list.
**kwargs – Arbitrary keyword arguments.

Variables

empty_field (bytes) – Placeholder for empty field.
unset_field (bytes) – Placeholder for unset field.
set_separator (bytes) – Separator for set/vector fields.
element_type (BaseType instance) – Data type of container’s elements.

Raises

ZeekTypeError – If element_type is not supplied.
ZeekValueError – If element_type is not a valid Bro/Zeek data type.

Example

As a generic data type, the class supports the typing proxy as introduced PEP 484:

>>> VectorType[StringType]

which is the same at runtime as following:

>>> VectorType(element_type=StringType())

Note

A valid element_type should be a simple data type, i.e. a subclass of _SimpleType.

property python_type: type: Corresponding Python type annotation.

property zeek_type: str: Corresponding Zeek type name.

parse(data)

Parse data from string.

Parameters: data (Union[AnyStr, List[data]]) – raw data
Returns: The parsed list data. If data is unset, None will be returned.
Return type: Union[None, List[data]]

tojson(data)

Serialize data as JSON log format.

Parameters: data (Union[None, List[data]]) – raw data
Returns: The JSON serialisable list data.
Return type: list

toascii(data)

Serialize data as ASCII log format.

Parameters: data (Union[None, List[data]]) – raw data
Returns: The ASCII representation of the list data.
Return type: str

Bro/Zeek Logging Framework for Python¶

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