'''
This file is part of PM4Py (More Info: https://pm4py.fit.fraunhofer.de).
PM4Py is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PM4Py is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PM4Py. If not, see <https://www.gnu.org/licenses/>.
'''
from pm4py.visualization.common import gview
from pm4py.visualization.common import save as gsave
from pm4py.visualization.process_tree.variants import wo_decoration, symbolic, frequency_annotation
from enum import Enum
from pm4py.util import exec_utils
from pm4py.visualization.common.gview import serialize, serialize_dot
from typing import Optional, Dict, Any, Union, Tuple
from pm4py.objects.process_tree.obj import ProcessTree
import graphviz
[docs]class Variants(Enum):
WO_DECORATION = wo_decoration
SYMBOLIC = symbolic
FREQUENCY_ANNOTATION = frequency_annotation
DEFAULT_VARIANT = Variants.WO_DECORATION
[docs]def apply(tree0: ProcessTree, parameters: Optional[Dict[Any, Any]] = None, variant=DEFAULT_VARIANT) -> graphviz.Graph:
"""
Method for Process Tree representation
Parameters
-----------
tree
Process tree
parameters
Possible parameters of the algorithm:
Parameters.FORMAT -> Format of the image (PDF, PNG, SVG; default PNG)
variant
Variant of the algorithm to use:
- Variants.WO_DECORATION
Returns
-----------
gviz
GraphViz object
"""
return exec_utils.get_variant(variant).apply(tree0, parameters=parameters)
[docs]def save(gviz: graphviz.Graph, output_file_path: str):
"""
Save the diagram
Parameters
-----------
gviz
GraphViz diagram
output_file_path
Path where the GraphViz output should be saved
"""
gsave.save(gviz, output_file_path)
[docs]def view(gviz: graphviz.Graph):
"""
View the diagram
Parameters
-----------
gviz
GraphViz diagram
"""
return gview.view(gviz)
[docs]def matplotlib_view(gviz: graphviz.Graph):
"""
Views the diagram using Matplotlib
Parameters
---------------
gviz
Graphviz
"""
return gview.matplotlib_view(gviz)