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Port details
py-tatsu Input a grammar in a variation of EBNF and output a memoizing PEG/Packrat parser in Python
5.18.0 develnew! on this many watch lists=0 search for ports that depend on this port Find issues related to this port Report an issue related to this port View this port on Repology. pkg-fallout Package not present on quarterly.This port was created during this quarter. It will be in the next quarterly branch but not the current one.
Maintainer: sunpoet@FreeBSD.org search for ports maintained by this maintainer
Port Added: 2026-04-27 13:34:07
Last Update: 2026-04-27 13:06:48
Commit Hash: cbbce67
Also Listed In: python
License: BSD4CLAUSE
WWW:
https://tatsu.readthedocs.io/en/stable/
https://github.com/neogeny/TatSu
Description:
TatSu is a tool that takes grammars in extended EBNF as input, and outputs memoizing (Packrat) PEG parsers in Python. The classic variations of EBNF (Tomassetti, EasyExtend, Wirth) and ISO EBNF are supported as input grammar formats.
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Manual pages:
FreshPorts has no man page information for this port.
pkg-plist: as obtained via: make generate-plist
There is no configure plist information for this port.
USE_RC_SUBR (Service Scripts)
  • no SUBR information found for this port
Dependency lines:
  • ${PYTHON_PKGNAMEPREFIX}tatsu>0:devel/py-tatsu@${PY_FLAVOR}
To install the port:
cd /usr/ports/devel/py-tatsu/ && make install clean
To add the package, run one of these commands:
  • pkg install devel/py-tatsu
  • pkg install py311-tatsu
NOTE: If this package has multiple flavors (see below), then use one of them instead of the name specified above.
NOTE: This is a Python port. Instead of py311-tatsu listed in the above command, you can pick from the names under the Packages section.
PKGNAME: py311-tatsu
Package flavors (<flavor>: <package>)
  • py311: py311-tatsu
distinfo:
TIMESTAMP = 1777252476 SHA256 (tatsu-5.18.0.tar.gz) = b1d2859791649e5acffb4a31ef5e86b87c0ffd217390eebb053fe1a34cd8895b SIZE (tatsu-5.18.0.tar.gz) = 349286

No package information for this port in our database
Sometimes this happens. Not all ports have packages. This is doubly so for new ports, like this one.
Dependencies
NOTE: FreshPorts displays only information on required and default dependencies. Optional dependencies are not covered.
Build dependencies:
  1. py311-hatchling>=0 : devel/py-hatchling@py311
  2. python3.11 : lang/python311
  3. py311-build>=0 : devel/py-build@py311
  4. py311-installer>=0 : devel/py-installer@py311
Test dependencies:
  1. python3.11 : lang/python311
Runtime dependencies:
  1. python3.11 : lang/python311
There are no ports dependent upon this port

Configuration Options:
No options to configure
Options name:
devel_py-tatsu
USES:
python shebangfix
FreshPorts was unable to extract/find any pkg message
Master Sites:
Expand this list (2 items)
Collapse this list.
  1. https://files.pythonhosted.org/packages/source/t/tatsu/
  2. https://pypi.org/packages/source/t/tatsu/
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Number of commits found: 1

Commit History - (may be incomplete: for full details, see links to repositories near top of page)
CommitCreditsLog message
5.18.0
27 Apr 2026 13:06:48
commit hash: cbbce676b3c86974ca5326288bc2b4ae37251ce7commit hash: cbbce676b3c86974ca5326288bc2b4ae37251ce7commit hash: cbbce676b3c86974ca5326288bc2b4ae37251ce7commit hash: cbbce676b3c86974ca5326288bc2b4ae37251ce7 files touched by this commit
Po-Chuan Hsieh (sunpoet) search for other commits by this committer
devel/py-tatsu: Add py-tatsu 5.18.0

TatSu is a tool that takes grammars in extended EBNF as input, and outputs
memoizing (Packrat) PEG parsers in Python. The classic variations of EBNF
(Tomassetti, EasyExtend, Wirth) and ISO EBNF are supported as input grammar
formats.

Number of commits found: 1