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control_flow_visualizer.py
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74 lines (57 loc) · 2.1 KB
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# Copyright (C) 2021 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
r"""Create control flow graph visualizations for the test components.
Usage:
python -m python_graphs.control_flow_visualizer
"""
import inspect
import os
from absl import app
from absl import flags
from absl import logging # pylint: disable=unused-import
from python_graphs import control_flow
from python_graphs import control_flow_graphviz
from python_graphs import control_flow_test_components as tc
from python_graphs import program_utils
FLAGS = flags.FLAGS
def render_functions(functions):
for name, function in functions:
logging.info(name)
graph = control_flow.get_control_flow_graph(function)
path = '/tmp/control_flow_graphs/{}.png'.format(name)
source = program_utils.getsource(function) # pylint: disable=protected-access
control_flow_graphviz.render(graph, include_src=source, path=path)
def render_filepaths(filepaths):
for filepath in filepaths:
filename = os.path.basename(filepath).split('.')[0]
logging.info(filename)
with open(filepath, 'r') as f:
source = f.read()
graph = control_flow.get_control_flow_graph(source)
path = '/tmp/control_flow_graphs/{}.png'.format(filename)
control_flow_graphviz.render(graph, include_src=source, path=path)
def main(argv):
del argv # Unused.
functions = [
(name, fn)
for name, fn in inspect.getmembers(tc, predicate=inspect.isfunction)
]
render_functions(functions)
# Add filepaths here to visualize their functions.
filepaths = [
__file__,
]
render_filepaths(filepaths)
if __name__ == '__main__':
app.run(main)