python: remove error recovery checks from the public notebooks

* tests/python/_autparserr.ipynb: New files, containing error checking code from automata-io.ipynb and piperead.ipynb. * tests/python/automata-io.ipynb: Remove error checks, and pipe examples from piperead.ipynb. * tests/python/piperead.ipynb: Delete. * tests/python/word.ipynb: Move error checking code... * tests/python/_word.ipynb: ... in this new file. * doc/org/tut.org, tests/Makefile.am: Adjust.

python: remove error recovery checks from the public notebooks
* tests/python/_autparserr.ipynb: New files, containing error checking code from automata-io.ipynb and piperead.ipynb. * tests/python/automata-io.ipynb: Remove error checks, and pipe examples from piperead.ipynb. * tests/python/piperead.ipynb: Delete. * tests/python/word.ipynb: Move error checking code... * tests/python/_word.ipynb: ... in this new file. * doc/org/tut.org, tests/Makefile.am: Adjust.
6bad8aeb · Alexandre Duret-Lutz · 58e64e75 · 6bad8aeb · 6bad8aeb · 6bad8aeb
Commit 6bad8aeb authored Jan 07, 2018 by Alexandre Duret-Lutz
--- a/doc/org/tut.org
+++ b/doc/org/tut.org
@@ -58,8 +58,6 @@ real notebooks instead.
 - [[https://spot.lrde.epita.fr/ipynb/automata.html][=automata.ipynb=]] covers translation from formulas to automata,
  automata printing, and some lights transformations
 - [[https://spot.lrde.epita.fr/ipynb/automata-io.html][=automata-io.ipynb=]] shows how to save and read automata from files
- [[https://spot.lrde.epita.fr/ipynb/piperead.html][=piperead.ipynb=]] shows how to save and read automata output from other
-  commands, using pipes
 - [[https://spot.lrde.epita.fr/ipynb/randaut.html][=randaut.ipynb=]] shows a simple case where the [[file:randaut.org][=randaut=]] commands
  generated random automata, which are displayed in a table before and
  after acceptance simplification

--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -334,7 +334,6 @@ TESTS_ipython = \
  python/highlighting.ipynb \
  python/ltsmin-dve.ipynb \
  python/ltsmin-pml.ipynb \
-  python/piperead.ipynb \
  python/parity.ipynb \
  python/product.ipynb \
  python/randaut.ipynb \
@@ -348,7 +347,9 @@ TESTS_ipython = \
 # with a _.
 TESTS_python = \
  python/_altscc.ipynb \
+  python/_autparserr.ipynb \
  python/_aux.ipynb \
+  python/_word.ipynb \
  python/accparse2.py \
  python/alarm.py \
  python/alternating.py \

--- a/tests/python/piperead.ipynb
+++ b/tests/python/piperead.ipynb
--- a/tests/python/_word.ipynb
+++ b/tests/python/_word.ipynb
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import spot\n",
+    "spot.setup()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "\n>>> a; b&!a; b\n              ^\nA twa_word must contain a cycle\n (<string>)",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; b&!a; b\n              ^\nA twa_word must contain a cycle\n\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(spot.parse_word('a; b&!a; b'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "\n>>> a; b; c}\n           ^\nExpected ';' delimiter: '}' stands for ending a cycle\n (<string>)",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; b; c}\n           ^\nExpected ';' delimiter: '}' stands for ending a cycle\n\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(spot.parse_word('a; b; c}'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "\n>>> a; cycle{}\n             ^\nempty input\n\n (<string>)",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; cycle{}\n             ^\nempty input\n\n\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(spot.parse_word('a; cycle{}'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "\n>>> a; cycle{!a}; a\n                ^\nInput should be finished after cycle\n (<string>)",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; cycle{!a}; a\n                ^\nInput should be finished after cycle\n\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(spot.parse_word('a; cycle{!a}; a'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Creating an empty word is OK...\n",
+    "w = spot.twa_word(spot._bdd_dict)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "RuntimeError",
+     "evalue": "a twa_word may not have an empty cycle",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mRuntimeError\u001b[0m                              Traceback (most recent call last)",
+      "\u001b[0;32m<ipython-input-7-9968db49e707>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;31m# ... as long as this word is not printed.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mw\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
+      "\u001b[0;32m/home/adl/git/spot/python/spot/impl.py\u001b[0m in \u001b[0;36m__str__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m   4922\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   4923\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__str__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;34m->\u001b[0m \u001b[0;34m\"std::string\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 4924\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0m_impl\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtwa_word___str__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   4925\u001b[0m \u001b[0mtwa_word_swigregister\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0m_impl\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtwa_word_swigregister\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   4926\u001b[0m \u001b[0mtwa_word_swigregister\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mtwa_word\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;31mRuntimeError\u001b[0m: a twa_word may not have an empty cycle"
+     ]
+    }
+   ],
+   "source": [
+    "# ... as long as this word is not printed.\n",
+    "print(w)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
+%% Cell type:code id: tags:
+
+``` python
+import spot
+spot.setup()
+```
+
+%% Cell type:code id: tags:
+
+``` python
+print(spot.parse_word('a; b&!a; b'))
+```
+
+%% Output
+
+      File "<string>", line unknown
+    SyntaxError:
+>>> a; b&!a; b
+              ^
+A twa_word must contain a cycle
+
+%% Cell type:code id: tags:
+
+``` python
+print(spot.parse_word('a; b; c}'))
+```
+
+%% Output
+
+      File "<string>", line unknown
+    SyntaxError:
+>>> a; b; c}
+           ^
+Expected ';' delimiter: '}' stands for ending a cycle
+
+%% Cell type:code id: tags:
+
+``` python
+print(spot.parse_word('a; cycle{}'))
+```
+
+%% Output
+
+      File "<string>", line unknown
+    SyntaxError:
+>>> a; cycle{}
+             ^
+empty input
+
+%% Cell type:code id: tags:
+
+``` python
+print(spot.parse_word('a; cycle{!a}; a'))
+```
+
+%% Output
+
+      File "<string>", line unknown
+    SyntaxError:
+>>> a; cycle{!a}; a
+                ^
+Input should be finished after cycle
+
+%% Cell type:code id: tags:
+
+``` python
+# Creating an empty word is OK...
+w = spot.twa_word(spot._bdd_dict)
+```
+
+%% Cell type:code id: tags:
+
+``` python
+# ... as long as this word is not printed.
+print(w)
+```
+
+%% Output
+
+    ---------------------------------------------------------------------------
+    RuntimeError                              Traceback (most recent call last)
+    <ipython-input-7-9968db49e707> in <module>()
+          1 # ... as long as this word is not printed.
+    ----> 2 print(w)
+
+    /home/adl/git/spot/python/spot/impl.py in __str__(self)
+       4922
+       4923     def __str__(self) -> "std::string":
+    -> 4924         return _impl.twa_word___str__(self)
+       4925 twa_word_swigregister = _impl.twa_word_swigregister
+       4926 twa_word_swigregister(twa_word)
+    RuntimeError: a twa_word may not have an empty cycle
--- a/tests/python/automata-io.ipynb
+++ b/tests/python/automata-io.ipynb
--- a/tests/python/word.ipynb
+++ b/tests/python/word.ipynb
@@ -3,9 +3,7 @@
  {
   "cell_type": "code",
   "execution_count": 1,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [],
   "source": [
    "import spot\n",
@@ -22,9 +20,7 @@
  {
   "cell_type": "code",
   "execution_count": 2,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -149,7 +145,7 @@
       "</svg>\n"
      ],
      "text/plain": [
-       "<spot.impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fb74c39da80> >"
+       "<spot.impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7ff774426a50> >"
      ]
     },
     "execution_count": 2,
@@ -171,9 +167,7 @@
  {
   "cell_type": "code",
   "execution_count": 3,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -207,9 +201,7 @@
  {
   "cell_type": "code",
   "execution_count": 4,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
@@ -235,9 +227,7 @@
  {
   "cell_type": "code",
   "execution_count": 5,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -264,9 +254,7 @@
  {
   "cell_type": "code",
   "execution_count": 6,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -301,9 +289,7 @@
  {
   "cell_type": "code",
   "execution_count": 7,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
@@ -331,9 +317,7 @@
  {
   "cell_type": "code",
   "execution_count": 8,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -361,9 +345,7 @@
  {
   "cell_type": "code",
   "execution_count": 9,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -390,9 +372,7 @@
  {
   "cell_type": "code",
   "execution_count": 10,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
@@ -413,9 +393,7 @@
  {
   "cell_type": "code",
   "execution_count": 11,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -436,9 +414,7 @@
  {
   "cell_type": "code",
   "execution_count": 12,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -473,20 +449,7 @@
  {
   "cell_type": "code",
   "execution_count": 13,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [],
-   "source": [
-    "w1 = spot.parse_word('a; !a; cycle{a; !a; a}')"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 14,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -497,210 +460,75 @@
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-       "<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 70)\">\n",
+       "<svg width=\"380pt\" height=\"48pt\"\n",
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-       "<g id=\"node6\" class=\"node\"><title>4</title>\n",
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-       "<text text-anchor=\"start\" x=\"293.5\" y=\"-9.8\" font-family=\"Lato\" font-size=\"14.00\">a</text>\n",
+       "<!-- 3&#45;&gt;2 -->\n",
+       "<g id=\"edge5\" class=\"edge\"><title>3&#45;&gt;2</title>\n",
+       "<path fill=\"none\" stroke=\"black\" d=\"M338.689,-12.4979C332.598,-8.87012 325.237,-5.20137 318,-3.36359 300.338,1.1212 294.662,1.1212 277,-3.36359 272.137,-4.59835 267.219,-6.65963 262.668,-8.97969\"/>\n",
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+       "<text text-anchor=\"start\" x=\"279\" y=\"-7.16359\" font-family=\"Lato\" font-size=\"14.00\">!a &amp; b</text>\n",
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      ],
      "text/plain": [
-       "<spot.impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fb74c39d990> >"
+       "<spot.impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7ff77439aae0> >"
      ]
     },
-     "execution_count": 14,
+     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
-    "w1.as_automaton()"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "The rest of this page tests some syntax errors, you (humans) may skip it, but the test suite will not."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 15,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "ename": "SyntaxError",
-     "evalue": "\n>>> a; b&!a; b\n              ^\nA twa_word must contain a cycle\n (<string>)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; b&!a; b\n              ^\nA twa_word must contain a cycle\n\n"
-     ]
-    }
-   ],
-   "source": [
-    "print(spot.parse_word('a; b&!a; b'))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 16,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "ename": "SyntaxError",
-     "evalue": "\n>>> a; b; c}\n           ^\nExpected ';' delimiter: '}' stands for ending a cycle\n (<string>)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; b; c}\n           ^\nExpected ';' delimiter: '}' stands for ending a cycle\n\n"
-     ]
-    }
-   ],
-   "source": [
-    "print(spot.parse_word('a; b; c}'))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 17,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "ename": "SyntaxError",
-     "evalue": "\n>>> a; cycle{}\n             ^\nempty input\n\n (<string>)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; cycle{}\n             ^\nempty input\n\n\n"
-     ]
-    }
-   ],
-   "source": [
-    "print(spot.parse_word('a; cycle{}'))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 18,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "ename": "SyntaxError",
-     "evalue": "\n>>> a; cycle{!a}; a\n                ^\nInput should be finished after cycle\n (<string>)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;36m  File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; cycle{!a}; a\n                ^\nInput should be finished after cycle\n\n"
-     ]
-    }
-   ],
-   "source": [
-    "print(spot.parse_word('a; cycle{!a}; a'))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 19,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [],
-   "source": [
-    "# Creating an empty word is OK...\n",
-    "w = spot.twa_word(spot._bdd_dict)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 20,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "ename": "RuntimeError",
-     "evalue": "a twa_word may not have an empty cycle",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mRuntimeError\u001b[0m                              Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-20-9968db49e707>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;31m# ... as long as this word is not printed.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mw\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
-      "\u001b[0;32m/home/adl/git/spot/python/spot/impl.py\u001b[0m in \u001b[0;36m__str__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m   4922\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   4923\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__str__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;34m->\u001b[0m \u001b[0;34m\"std::string\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 4924\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0m_impl\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtwa_word___str__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   4925\u001b[0m \u001b[0mtwa_word_swigregister\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0m_impl\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtwa_word_swigregister\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   4926\u001b[0m \u001b[0mtwa_word_swigregister\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mtwa_word\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mRuntimeError\u001b[0m: a twa_word may not have an empty cycle"
-     ]
-    }
-   ],
-   "source": [
-    "# ... as long as this word is not printed.\n",
-    "print(w)"
+    "w.as_automaton()"
   ]
  }
 ],

 %% Cell type:code id: tags:

 ``` python
 import spot
 spot.setup()
 ```

 %% Cell type:markdown id: tags:

 Let's build a small automaton to use as example.

 %% Cell type:code id: tags:

 ``` python
 aut = spot.translate('!a & G(Fa <-> XXb)'); aut
 ```

 %% Output