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spot/tests/python/highlighting.ipynb
Alexandre Duret-Lutz 7ac570fa3f modernize some Python code 
Since we now require Python 3.6, we can use f-strings instead of
format() to make the code more readable.

* doc/org/tut01.org, doc/org/tut02.org, doc/org/tut03.org,
doc/org/tut21.org, doc/org/tut24.org, doc/org/tut90.org,
python/spot/__init__.py, python/spot/jupyter.py, tests/python/acc.py,
tests/python/acc_cond.ipynb, tests/python/complement_semidet.py,
tests/python/decompose.ipynb, tests/python/formulas.ipynb,
tests/python/highlighting.ipynb, tests/python/ipnbdoctest.py,
tests/python/ltlf.py, tests/python/parity.ipynb,
tests/python/product.ipynb, tests/python/relabel.py,
tests/python/satmin.ipynb, tests/python/stutter-inv.ipynb,
tests/python/twagraph-internals.ipynb, tests/python/zlktree.ipynb: Use
f-strings.
2024-03-27 14:32:03 +01:00

6399 lines
444 KiB
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"import spot\n",
"spot.setup()\n",
"from IPython.display import display"
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"This notebook shows you different ways in which states or transitions can be highlighted in Spot. \n",
"\n",
"It should be noted that highlighting works using some special [named properties](https://spot.lrde.epita.fr/concepts.html#named-properties): basically, two maps that are attached to the automaton, and associated state or edge numbers to color numbers. This named properties are fragile: they will be lost if the automaton is transformed into a new automaton, and they can become meaningless of the automaton is modified in place (e.g., if the transitions or states are reordered).\n",
"\n",
"Nonetheless, highlighting is OK to use right before displaying or printing the automaton. The `dot` and `hoa` printer both know how to represent highlighted states and transitions.\n",
"\n",
"# Manual highlighting"
]
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"a = spot.translate('a U b U c')"
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"The `#` option of `print_dot()` can be used to display the internal number of each transition "
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"a.highlight_states([False, True, True], 5)"
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"cell_type": "markdown",
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"# Saving to HOA 1.1\n",
"\n",
"When saving to HOA format, the highlighting is only output if version 1.1 of the format is selected, because the headers `spot.highlight.edges` and `spot.highlight.states` contain dots, which are disallowed in version 1. Compare these two outputs:"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"HOA: v1\n",
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"Start: 2\n",
"AP: 3 \"a\" \"b\" \"c\"\n",
"acc-name: Buchi\n",
"Acceptance: 1 Inf(0)\n",
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"--BODY--\n",
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"[t] 0\n",
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"[2] 0\n",
"[1&!2] 1\n",
"State: 2\n",
"[2] 0\n",
"[!0&1&!2] 1\n",
"[0&!2] 2\n",
"--END--\n",
"\n",
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"Start: 2\n",
"AP: 3 \"a\" \"b\" \"c\"\n",
"acc-name: Buchi\n",
"Acceptance: 1 Inf(0)\n",
"properties: trans-labels explicit-labels state-acc !complete\n",
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"spot.highlight.states: 0 0 1 5 2 5\n",
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"--BODY--\n",
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"[t] 0\n",
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"[2] 0\n",
"[1&!2] 1\n",
"State: 2\n",
"[2] 0\n",
"[!0&1&!2] 1\n",
"[0&!2] 2\n",
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"print(a.to_str('HOA', '1'))\n",
"print()\n",
"print(a.to_str('HOA', '1.1'))"
]
},
{
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"metadata": {},
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"# Querying highlights\n",
"\n",
"Use `get_highlight_state(s)` or `get_highlight_edge(e)` to retrieve the highlighting color of some state/edge. If no highlighting is present for this state/edge, `None` is returned."
]
},
{
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"execution_count": 8,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"state 0: 0\n",
"state 1: 5\n",
"state 2: 5\n",
"edge 1: None\n",
"edge 2: 1\n",
"edge 3: None\n",
"edge 4: 1\n",
"edge 5: 1\n",
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]
}
],
"source": [
"for i in range(0, a.num_states()):\n",
" print(f\"state {i}: {a.get_highlight_state(i)}\")\n",
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" print(f\"edge {i}: {a.get_highlight_edge(i)}\")"
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},
{
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"source": [
"# Removing highlights"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Use `None` as the color to remove some specific highlights."
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},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
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"# Highlighting a run\n",
"\n",
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"Prefix:\n",
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"r.highlight(5) # the parameter is a color number"
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"The call of `highlight(5)` on the accepting run `r` modified the original automaton `b`:"
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{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Highlighting an accepting run in an automaton with arbitrary acceptance\n",
"\n",
"This is not as easy as finding accepting runs in (generalized) Büchi automata, so let's have a few example for testing."
]
},
{
"cell_type": "code",
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"<spot.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fed16a25e00> >"
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"source": [
"def show_accrun(string):\n",
" aut = spot.automaton(string)\n",
" run = aut.accepting_run()\n",
" run.highlight(5)\n",
" display(aut)\n",
"\n",
"show_accrun(\"\"\"\n",
"HOA: v1 States: 10 Start: 0 AP: 2 \"a\" \"b\" Acceptance: 5 (Inf(1) | (Fin(0)\n",
"& Inf(4)) | Fin(2)) & Fin(3) properties: trans-labels explicit-labels\n",
"trans-acc --BODY-- State: 0 [0&1] 9 {3} [!0&!1] 0 {3} [0&!1] 5 {0 1} State:\n",
"1 [0&!1] 9 {4} [0&1] 8 {3} State: 2 [!0&!1] 8 {0} [!0&1] 6 {2 4} [0&1]\n",
"2 {3} [!0&1] 7 State: 3 [0&!1] 2 {0 4} [!0&!1] 3 {1 3} [!0&1] 4 {0} State: 4\n",
"[0&!1] 5 {2} [0&1] 0 [!0&1] 1 {0} State: 5 [!0&!1] 0 {3} [!0&!1] 6 {3} State: 6\n",
"[0&1] 3 {2} [!0&1] 1 [0&1] 2 {0 1 3 4} State: 7 [0&1] 1 [!0&1] 7 {0 2}\n",
"State: 8 [!0&1] 7 [!0&!1] 9 {0} State: 9 [0&1] 8 {3} [0&!1] 5 [0&!1]\n",
"1 --END--\n",
"\"\"\")\n",
"show_accrun(\"\"\"\n",
"HOA: v1 States: 10 Start: 0 AP: 2 \"a\" \"b\" Acceptance: 6 Fin(5) &\n",
"((Fin(1) & (Inf(3) | Inf(4))) | Fin(0) | Fin(2)) properties: trans-labels\n",
"explicit-labels trans-acc --BODY-- State: 0 [0&1] 8 {0} [0&!1] 6 {2}\n",
"State: 1 [!0&1] 9 {0 4 5} State: 2 [!0&1] 1 State: 3 [0&!1] 3 {2}\n",
"[0&1] 4 {3 5} State: 4 [0&1] 7 {5} [0&!1] 9 {2} [!0&1] 0 {0 2} State:\n",
"5 [!0&1] 1 [!0&1] 3 {2 3} State: 6 [0&!1] 8 {1 2 5} [!0&1] 7 {3} State:\n",
"7 [0&1] 2 {0} [!0&1] 5 State: 8 [0&!1] 3 {4 5} State: 9 [!0&1] 3 {1 2}\n",
"[0&1] 1 {4} [0&!1] 5 {2} --END--\"\"\")\n",
"show_accrun(\"\"\"\n",
"HOA: v1 States: 4 properties: implicit-labels trans-labels no-univ-branch\n",
"deterministic complete tool: \"ltl2dstar\" \"0.5.4\" name: \"i G F a G F b\"\n",
"comment: \"Union{Safra[NBA=2],Safra[NBA=2]}\" acc-name: Rabin 2 Acceptance:\n",
"4 (Fin(0)&Inf(1))|(Fin(2)&Inf(3)) Start: 0 AP: 2 \"a\" \"b\" --BODY-- State:\n",
"0 {0} 1 0 3 2 State: 1 {1} 1 0 3 2 State: 2 {0 3} 1 0 3 2 State: 3 {1 3}\n",
"1 0 3 2 --END--\n",
"\"\"\")"
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{
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"metadata": {},
"source": [
"# Highlighting from a product\n",
"\n",
"Pretty often, accepting runs are found in a product but we want to display them on one of the original automata. This can be done by projecting the runs on those automata before displaying them."
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
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"run.highlight(5)\n",
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"left2 = spot.translate('!b & FG a')\n",
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"run2 = prod2.accepting_run()\n",
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{
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"source": [
"# Highlighting nondeterminism\n",
"\n",
"Sometimes its is hard to locate non-deterministic states inside a large automaton. Here are two functions that can help for that."
]
},
{
"cell_type": "code",
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"# Disappearing highlights\n",
"\n",
"As explained at the top of this notebook, named properties (such as highlights) are fragile, and you should not really on them being preserved across algorithms. In-place algorithm are probably the worst, because they might modify the automaton and ignore the attached named properties. \n",
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"`randomize()` is one such in-place algorithm: it reorder states or transitions of the automaton. By doing so it renumber the states and edges, and that process would completely invalidate the highlights information. Fortunately `randomize()` know about highlights: it will preserve highlighted states, but it will drop all highlighted edges."
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"# Highlighting with partial output\n",
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"# Highlighting languages\n",
"\n",
"For deterministic automata, the function `spot.highlight_languages()` can be used to highlight states that recognize the same language. This can be a great help in reading automata. States with a colored border share their language, and states with a black border all have a language different from all other states."
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],
"text/plain": [
"<spot.jupyter.SVG object>"
]
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"aut = spot.translate('(b W Xa) & GF(c <-> Xb) | a', 'generic', 'det')\n",
"spot.highlight_languages(aut)\n",
"aut.show('.bas')"
]
}
],
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"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
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},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
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}
},
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