add Jinja2-based tapaal exporter

examples/petrinet/helpers.py

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+from uuid import UUID
+
+def get_num_tokens(odapi, place: UUID):
+    pn_of = odapi.get_incoming(place, "pn_of")[0]
+    place_state = odapi.get_source(pn_of)
+    return odapi.get_slot_value(place_state, "numTokens")

examples/petrinet/runner_export_tapaal.py

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+from state.devstate import DevState
+from bootstrap.scd import bootstrap_scd
+from util import loader
+
+from examples.petrinet.translational_semantics.tapaal.exporter import export_tapaal
+
+if __name__ == "__main__":
+    import os
+    THIS_DIR = os.path.dirname(__file__)
+
+    # get file contents as string
+    def read_file(filename):
+        with open(THIS_DIR+'/'+filename) as file:
+            return file.read()
+
+    state = DevState()
+    scd_mmm = bootstrap_scd(state)
+    # Read models from their files
+    mm_cs           =         read_file('metamodels/mm_design.od')
+    mm_rt_cs        = mm_cs + read_file('metamodels/mm_runtime.od')
+    # m_cs            =         read_file('models/m_example_simple.od')
+    # m_rt_initial_cs = m_cs +  read_file('models/m_example_simple_rt_initial.od')
+    m_cs            =         read_file('models/m_example_mutex.od')
+    m_rt_initial_cs = m_cs +  read_file('models/m_example_mutex_rt_initial.od')
+    # m_cs            =         read_file('models/m_example_inharc.od')
+    # m_rt_initial_cs = m_cs +  read_file('models/m_example_inharc_rt_initial.od')
+
+    # Parse them
+    mm           = loader.parse_and_check(state, mm_cs,           scd_mmm, "Petri-Net Design meta-model")
+    mm_rt        = loader.parse_and_check(state, mm_rt_cs,        scd_mmm, "Petri-Net Runtime meta-model")
+    m            = loader.parse_and_check(state, m_cs,            mm,      "Example model")
+    m_rt_initial = loader.parse_and_check(state, m_rt_initial_cs, mm_rt,   "Example model initial state")
+
+    with open('exported.tapn', 'w') as f:
+        f.write(export_tapaal(state, m=m_rt_initial, mm=mm_rt))

examples/petrinet/translational_semantics/tapaal/exporter.py

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+import jinja2
+import os
+THIS_DIR = os.path.dirname(__file__)
+
+from api.od import ODAPI
+from examples.petrinet import helpers
+from util.module_to_dict import module_to_dict
+
+def export_tapaal(state, m, mm):
+    loader = jinja2.FileSystemLoader(searchpath=THIS_DIR)
+    environment = jinja2.Environment(loader=loader)
+    template = environment.get_template("tapaal.jinja2")
+    return template.render({
+        'odapi': ODAPI(state, m, mm),
+        **globals()['__builtins__'],
+        **module_to_dict(helpers),
+    })

examples/petrinet/translational_semantics/tapaal/tapaal.jinja2

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<pnml xmlns="http://www.informatik.hu-berlin.de/top/pnml/ptNetb">
+  <net active="true" id="PN" type="P/T net">
+
+  {% for i, (place_name, place) in enumerate(odapi.get_all_instances("PNPlace")) %}
+    <place id="{{ place_name }}"
+        name="{{ place_name }}"
+        initialMarking="{{ get_num_tokens(odapi, place) }}"
+        invariant="&lt; inf"
+        displayName="true"
+        nameOffsetX="0"
+        nameOffsetY="0"
+        positionX="{{ i * 100 + 100 }}"
+        positionY="100"
+    />
+  {% endfor %}
+
+  {% for i, (transition_name, transition) in enumerate(odapi.get_all_instances("PNTransition")) %}
+    <transition angle="0" displayName="true" id="{{ transition_name }}" infiniteServer="false" name="{{ transition_name }}" nameOffsetX="0" nameOffsetY="0" player="0" positionX="{{ i * 100 + 100 }}" positionY="300" priority="0" urgent="false"/>
+  {% endfor %}
+
+  {% for arc_name, arc in odapi.get_all_instances("arc") %}
+    <arc id="{{ arc_name }}"
+        inscription="{{ '[0,inf)' if odapi.get_type_name(odapi.get_source(arc)) == 'PNPlace' else '1' }}"
+        nameOffsetX="0"
+        nameOffsetY="0"
+        weight="1"
+        type="{{ 'timed' if odapi.get_type_name(odapi.get_source(arc)) == 'PNPlace' else 'normal' }}"
+        source="{{ odapi.get_name(odapi.get_source(arc)) }}"
+        target="{{ odapi.get_name(odapi.get_target(arc)) }}">
+      <arcpath arcPointType="false" id="0" xCoord="0" yCoord="0"/>
+      <arcpath arcPointType="false" id="1" xCoord="0" yCoord="0"/>
+    </arc>
+  {% endfor %}
+
+  {% for inh_arc_name, inh_arc in odapi.get_all_instances("inh_arc") %}
+    <arc id="{{ inh_arc_name }}"
+        inscription="[0,inf)"
+        nameOffsetX="0"
+        nameOffsetY="0"
+        type="tapnInhibitor"
+        weight="1"
+        source="{{ odapi.get_name(odapi.get_source(inh_arc)) }}"
+        target="{{ odapi.get_name(odapi.get_target(inh_arc)) }}">
+      <arcpath arcPointType="false" id="0" xCoord="0" yCoord="0"/>
+      <arcpath arcPointType="false" id="1" xCoord="0" yCoord="0"/>
+    </arc>
+  {% endfor %}
+
+  </net>
+  <feature isGame="false" isTimed="false"/>
+</pnml>