To install this Python statechart library:
pip3 install miros
The full documentation can be found here
Python statecharts
Home Page: https://aleph2c.github.io/miros/html/
To install this Python statechart library:
pip3 install miros
The full documentation can be found here
I was interested in collecting test coverage for the miros code.
While running the test with "coverage run -m pytest" I get the following:
miros/examples/single_unit_three_stage_charger_3_test.py:28 /home/xxx/play/PyProjects/miros/miros/examples/single_unit_three_stage_charger_3_test.py:28: PytestCollectionWarning: cannot collect test class 'TestOutputCsv' because it has a __init__ constructor (from: miros/examples/single_unit_three_stage_charger_3_test.py) class TestOutputCsv:
The problem is solved at https://docs.pytest.org/en/latest/warnings.html
For example, pytest will emit a warning if it encounters a class that matches
python_classes but also defines an __init__ constructor, as this prevents the
class from being instantiated
The solution is to name the class at line 28, "TestOutputCsv" to something like "XTestOutputCsvX".
These two files need changing:
miros/examples/single_unit_three_stage_charger_3_test.py
miros/examples/single_unit_three_stage_charger_4_test.py
My configuration:
Linux, Centos 7 python --version Python 3.7.3 coverage --version Coverage.py, version 4.5.3 with C extension Documentation at https://coverage.readthedocs.io pytest --version This is pytest version 5.0.1, setuptools registered plugins: pytest-cov-2.7.1 pytest-httpbin-1.0.0
I think it would be good to add links to testing recipe on Testing page, because when I open Testing page and see nothing it is a bit disappointing.
When I ran unit tests under coverage, attempts to access the previous frame in class
ThreadSafeAttribute in method get the call at line 42 returns fdata.lines as None.
The test is miros/test/thread_safe_attributes_test.py:536.
The problem is in miros/miros/thread_safe_atributes.py.
I have slightly modified the code starting at line 41 in miros/miros/thread_safe_atributes.py:
fdata = FrameData(*inspect.getframeinfo(previous_frame)) previous_line = "FooBar" try: previous_line = fdata.lines[0] # Original line except TypeError as err: print(f"fdata={fdata}: {err}") print(f"previous_frame: {previous_frame}") #raise if self.is_not_atomic(previous_line):
This "trace" reports: (slightly edited)
fdata=FrameData(filename='.../miros/test/thread_safe_attributes_test.py', line_number=270, function_name='thread_runner', lines=None, index=None): 'NoneType' object is not subscriptable
This error gets repeated many times before reporting:
Fatal Python error: could not acquire lock for <_io.BufferedWriter name=''> at interpreter shutdown, possibly due to daemon threads
Without the previous_line = "FooBar"
the test would hang and I had to
kill it with ^C. This ^C reports:
^CException ignored in: Traceback (most recent call last): File "/home/cecilm/anaconda3/envs/py37/lib/python3.7/threading.py", line 1281, in _shutdown t.join() File "/home/cecilm/anaconda3/envs/py37/lib/python3.7/threading.py", line 1032, in join self._wait_for_tstate_lock() File "/home/cecilm/anaconda3/envs/py37/lib/python3.7/threading.py", line 1048, in _wait_for_tstate_lock elif lock.acquire(block, timeout): KeyboardInterrupt
Obviously the code is dead locked.
I downloaded the miros repo from github yesterday, Jan 23, 2020.
My configuration:
python --version Python 3.7.3 coverage --version Coverage.py, version 4.5.3 with C extension Documentation at https://coverage.readthedocs.io pytest --version This is pytest version 5.0.1, setuptools registered plugins: pytest-cov-2.7.1 pytest-httpbin-1.0.0
I'm sorry for rushing the previous issue.
skipped ** for the header Link
should be "there are" instead of "their are" I guess Link
instead of oven.list_spy
, there should be oven.live_spy
Link
is owen.start_at(door_closed)
missing before oven.post_fifo
call? https://aleph2c.github.io/miros/html/zero_to_one.html#zero-to-one-zero-to-one:~:text=.spy())-,def%20spy_on_buzz()%3A%0A%20%20oven%20%3D%20ToasterOvenMock(name%3D%22oven%22),-%23%20Send%20the%20buzz
should there be "toasting" instead of "toaster"? Link
lines 256-260, 278-282 should be highlighted Link
lines 40-41 should be highlighted Link
the entire "buzz" method should be highlighted Link
the ToasterOvenMock(ToasterOven).__init__
method should be highlighted too Link
lines 322-323 should be highlighted Link
I'm interested in exposing transitions as links in a web app, but I cannot find any examples after a quick glance that would indicate whether or not miros allows for pausing and resuming workflows. Does miros allow for this use case?
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