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package/python-transitions: new package

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Lightweight finite state machine implementation in Python.

https://github.com/pytransitions/transitions

Signed-off-by: Vincent Cruz <mooz@blockos.org>
[Julien:
 - remove directory for LICENSE in hash file
 - remove PKG-INFO entry in hash file
]
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Vincent Cruz
2026-04-14 16:14:54 +02:00
committed by Julien Olivain
parent 374e31947a
commit f3d0050e3d
7 changed files with 93 additions and 0 deletions
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3
DEVELOPERS
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@@ -3361,6 +3361,9 @@ F: package/rtl8822cs/
N: Victor Huesca <victor.huesca@bootlin.com> N: Victor Huesca <victor.huesca@bootlin.com>
F: support/testing/tests/core/test_root_password.py F: support/testing/tests/core/test_root_password.py
N: Vincent Cruz <mooz@blockos.org>
F: package/python-transitions/
N: Vincent Jardin <vjardin@free.fr> N: Vincent Jardin <vjardin@free.fr>
F: board/nvidia/bf3/ F: board/nvidia/bf3/
F: configs/nvidia_bf3_defconfig F: configs/nvidia_bf3_defconfig

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package/Config.in
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@@ -1463,6 +1463,7 @@ menu "External python modules"
source "package/python-tqdm/Config.in" source "package/python-tqdm/Config.in"
source "package/python-trafaret/Config.in" source "package/python-trafaret/Config.in"
source "package/python-traitlets/Config.in" source "package/python-traitlets/Config.in"
source "package/python-transitions/Config.in"
source "package/python-treq/Config.in" source "package/python-treq/Config.in"
source "package/python-trio/Config.in" source "package/python-trio/Config.in"
source "package/python-trio-websocket/Config.in" source "package/python-trio-websocket/Config.in"

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package/python-transitions/Config.in Normal file
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config BR2_PACKAGE_PYTHON_TRANSITIONS
bool "python-transitions"
select BR2_PACKAGE_PYTHON_SIX # runtime
help
Lightweight finite state machine implementation in Python.
https://github.com/pytransitions/transitions

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package/python-transitions/python-transitions.hash Normal file
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@@ -0,0 +1,4 @@
# From https://pypi.org/pypi/transitions/0.9.3/json
sha256 881fb75bb1654ed55d86060bb067f2c716f8e155f57bb73fd444e53713aafec8 transitions-0.9.3.tar.gz
# Locally computed
sha256 fd7115fc5517d1d2d042a80a33d92033532236830a9c25866112299fe33c036b LICENSE

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package/python-transitions/python-transitions.mk Normal file
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################################################################################
#
# python-transitions
#
################################################################################
PYTHON_TRANSITIONS_VERSION = 0.9.3
PYTHON_TRANSITIONS_SOURCE = transitions-$(PYTHON_TRANSITIONS_VERSION).tar.gz
PYTHON_TRANSITIONS_SITE = https://files.pythonhosted.org/packages/source/t/transitions
PYTHON_TRANSITIONS_SETUP_TYPE = setuptools
PYTHON_TRANSITIONS_LICENSE = MIT
PYTHON_TRANSITIONS_LICENSE_FILES = LICENSE
$(eval $(python-package))

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support/testing/tests/package/sample_python_transitions.py Normal file
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@@ -0,0 +1,34 @@
# test from https://github.com/pytransitions/transitions/blob/master/tests/test_nesting.py
from transitions.extensions import HierarchicalMachine as Machine
states = ['standing', 'walking', {'name': 'caffeinated', 'children': ['dithering', 'running']}]
transitions = [
['walk', 'standing', 'walking'],
['stop', 'walking', 'standing'],
['drink', 'caffeinated_dithering', '='],
['drink', 'caffeinated', 'caffeinated_dithering'],
['drink', '*', 'caffeinated'],
['walk', 'caffeinated', 'caffeinated_running'],
['relax', 'caffeinated', 'standing']
]
machine = Machine(states=states, transitions=transitions, initial='standing', ignore_invalid_triggers=True)
machine.walk() # Walking now
machine.stop() # let's stop for a moment
machine.drink() # coffee time
machine.state
print(machine.state)
machine.drink() # again!
print(machine.state)
machine.drink() # and again!
print(machine.state)
machine.walk() # we have to go faster
print(machine.state)
machine.stop() # can't stop moving!
machine.state
print(machine.state)
machine.relax() # leave nested state
machine.state # phew, what a ride
print(machine.state)

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support/testing/tests/package/test_python_transitions.py Normal file
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import os
from tests.package.test_python import TestPythonPackageBase
class TestPythonTransitions(TestPythonPackageBase):
__test__ = True
config = TestPythonPackageBase.config + \
"""
BR2_PACKAGE_PYTHON3=y
BR2_PACKAGE_PYTHON_TRANSITIONS=y
"""
sample_scripts = ["tests/package/sample_python_transitions.py"]
def test_run(self):
self.login()
self.check_sample_scripts_exist()
cmd = self.interpreter + " " + os.path.basename(self.sample_scripts[0])
output, exit_code = self.emulator.run(cmd, timeout=15)
self.assertEqual(exit_code, 0)
self.assertEqual(output, [
'caffeinated',
'caffeinated_dithering',
'caffeinated_dithering',
'caffeinated_running',
'caffeinated_running',
'standing'
])