Changelog

v0.6.2 (2025-06-08)

Changed

  • Just CI/CD changes.

v0.6.1 (2024-10-29)

Added

  • Python 3.13 wheels

v0.6.0 (2024-04-17)

Added

  • Dumper.flush.

Changed

  • ts_utcdatetime is now a tz aware datetime. ts_datetime is still naive as getting the local timezone and its availability is still problematic in Python’s standard library.

Fixed

  • Don’t crash if Npcap is not installed or fails to load.

v0.5.0 (2023-10-14)

Added

  • Python 3.12 wheels.

Changed

  • Now using Cython 3.

v0.4.2 (2022-11-04)

Added

  • Python 3.11 wheels.

Fixed

  • A const compiler warning.

v0.4.1 (2022-02-09)

Fixed

  • dumps(..., cypcap.BpfDumpType.C_ARRAY) outputted wrong syntax.

v0.4.0 (2022-01-14)

Added

  • BpfProgram now has __getitem__, __len__, __init__, __iter__, and can be turned into a list.

  • dumps can now dump the formats that debug_dump used to output and return them as a string instead of printing to stdout.

  • Platform specific functions Pcap.set_protocol_linux, Pcap.get_selectable_fd, Pcap.get_required_select_timeout, and Pcap.getevent.

  • cypcap.bpf module with constants and utility functions for manually written BPF.

Changed

  • Classes which should not be instantiated from Python directly should now raise (Pcap & Dumper).

  • cypcap is now a package rather than a single file module, API remains the same.

Removed

  • debug_dump is merged into dumps by a new type parameter.

Fixed

  • set_config, set_pre_config had wrong typing. (Although those are not exported to an interface file yet).

v0.3.0 (2021-11-16)

Changed

  • The optimize parameter to Pcap.compile now defaults to True.

  • Can now call Pcap.setfilter with a str which will be compiled by calling Pcap.compile.

v0.2.0 (2021-11-15)

Added

  • Wheels for Windows, Linux & macOS.

  • Pkthdr can be created from Python and is mutable (Useful for bpf.offline_filter).

  • Add BpfProgram.dumps/BpfProgram.loads to dump and load the filter in the format used by iptables, tc-bpf, etc.

  • Pcap now has a __repr__.

  • Pcap now has a type and source attributes.

  • Add PcapType for indicating the type of a Pcap.

  • Pkthdr.ts_datetime & Pkthdr.ts_utcdatetime that return Pkthdr.ts as a naive datetime.

  • Pcap.set_pre_config & Pcap.set_config shortcuts to set Pcap configuration via keyword arguments.

Changed

  • Change findalldevs interface address parsing to use the same format as the socket module and add support for AF_PACKET sockaddr_ll used in Linux.

  • Addresses in PcapIf.addresses/PcapAddr will now be in the format Tuple[socket.AddressFamily, <sockaddr tuple>].

  • BpfProgram.dump renamed to BpfProgram.debug_dump.

  • set_timeout & open_live now accept Python style float seconds instead of milliseconds.

  • The netmask argument to Pcap.compile is now optional, the package will try to figure out the correct value by itself.

v0.1.1 (2021-11-03)

Fixed

  • cypcap.pyx was missing from sdist due to cythonize. (Bug in Cython?)

v0.1.0 (2021-11-03)

Added

  • Tests & Github Actions CI

Changed

  • Support os.PathLike in dump_open & dump_open_append.

  • Support os.PathLike in open_offline.

  • inject and sendpacket now take an object implementing the buffer protocol.

  • Switch to using cythonize in setup.py (The built-in setuptools integration uses the deprecated old_build_ext and keyed off whether to generate C sources on whether Cython is installed).

Fixed

  • NETMASK_UNKNOWN was of the wrong type.

v0.1.0b1 (2021-10-26)

Initial beta release. Only tested manually and lightly.