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spot/wrap/python/tests/piperead.ipynb
Alexandre Duret-Lutz 9f32021e0f lbtt: take options as a string like other print functions 
* src/twaalgos/lbtt.hh (print_lbtt): Take a const char* opt argument.
* src/twaalgos/lbtt.cc: Use it, select state-based
vs. transition-based using automaton property, and implement output
for generalized state-based acceptance.
* src/bin/common_aoutput.cc, src/bin/common_aoutput.hh,
src/bin/dstar2tgba.cc: Adjust usage.  We do not need to handle
--lbtt=t as a special case anymore.
* src/tests/lbttparse.test, wrap/python/spot.py,
wrap/python/tests/automata-io.ipynb, wrap/python/tests/piperead.ipynb:
Adjust.
2015-06-10 23:29:41 +02:00

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"text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7faffcc25f60> >"
]
}
],
"prompt_number": 3
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Error handling\n",
"\n",
"If the shell command terminates with a non-zero exit status, we should get an exception."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"spot.automaton('non-existing-command|')"
],
"language": "python",
"metadata": {},
"outputs": [
{
"ename": "RuntimeError",
"evalue": "Command non-existing-command exited with exit status 127",
"output_type": "pyerr",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-4-765c7cc6937f>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomaton\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m'non-existing-command|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomaton\u001b[1;34m(filename)\u001b[0m\n\u001b[0;32m 216\u001b[0m See `spot.automata()` for a list of supported formats.\"\"\"\n\u001b[0;32m 217\u001b[0m \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 218\u001b[1;33m \u001b[1;32mreturn\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 219\u001b[0m \u001b[1;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 220\u001b[0m \u001b[1;32mraise\u001b[0m \u001b[0mRuntimeError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Failed to read automaton from {}\"\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 208\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 209\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 210\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 211\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 212\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mRuntimeError\u001b[0m: Command non-existing-command exited with exit status 127"
]
}
],
"prompt_number": 4
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"for a in spot.automata(\"ltl2tgba -H 'a U b'|\", 'ltl2tgba -f \"syntax U U error\"|'):\n",
" display(a)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"metadata": {},
"output_type": "display_data",
"svg": [
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" viewBox=\"0.00 0.00 171.00 85.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
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"</g>\n",
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],
"text": [
"<spot_impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7faffcc25720> >"
]
},
{
"ename": "RuntimeError",
"evalue": "Command ltl2tgba -f \"syntax U U error\" exited with exit status 2",
"output_type": "pyerr",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-5-21a24ff75c32>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[1;32mfor\u001b[0m \u001b[0ma\u001b[0m \u001b[1;32min\u001b[0m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"ltl2tgba -H 'a U b'|\"\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;34m'ltl2tgba -f \"syntax U U error\"|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 2\u001b[0m \u001b[0mdisplay\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0ma\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 208\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 209\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 210\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 211\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 212\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mRuntimeError\u001b[0m: Command ltl2tgba -f \"syntax U U error\" exited with exit status 2"
]
}
],
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},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Reading an empty file with `spot.automaton()` is an error."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"spot.automaton('false|')"
],
"language": "python",
"metadata": {},
"outputs": [
{
"ename": "RuntimeError",
"evalue": "Command false exited with exit status 1",
"output_type": "pyerr",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mRuntimeError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-6-029e1e5901f7>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mspot\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mautomaton\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m'false|'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomaton\u001b[1;34m(filename)\u001b[0m\n\u001b[0;32m 216\u001b[0m See `spot.automata()` for a list of supported formats.\"\"\"\n\u001b[0;32m 217\u001b[0m \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 218\u001b[1;33m \u001b[1;32mreturn\u001b[0m \u001b[0mnext\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mautomata\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 219\u001b[0m \u001b[1;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 220\u001b[0m \u001b[1;32mraise\u001b[0m \u001b[0mRuntimeError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Failed to read automaton from {}\"\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfilename\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;32m/home-ssd/adl/git/spot/wrap/python/spot.py\u001b[0m in \u001b[0;36mautomata\u001b[1;34m(*filenames)\u001b[0m\n\u001b[0;32m 208\u001b[0m \u001b[1;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 209\u001b[0m raise RuntimeError(\"Command {} exited with exit status {}\"\n\u001b[1;32m--> 210\u001b[1;33m .format(filename[:-1], ret))\n\u001b[0m\u001b[0;32m 211\u001b[0m \u001b[1;32mreturn\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 212\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mRuntimeError\u001b[0m: Command false exited with exit status 1"
]
}
],
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"input": [],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": null
}
],
"metadata": {}
}
]
}
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