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Adds function to plot onnx model as graphs #61

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Merged
sdpython merged 6 commits into from
Jan 8, 2024
Merged

Adds function to plot onnx model as graphs #61

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470f845
Add methods to draw onnx plots
xadupre Jan 8, 2024
8436ea4
improve versatility
xadupre Jan 8, 2024
1247949
doc
xadupre Jan 8, 2024
abc4da7
disable test when graphviz not installed
xadupre Jan 8, 2024
65aebf1
documentation
xadupre Jan 8, 2024
2e02703
add missing function
xadupre Jan 8, 2024
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improve versatility
  • Loading branch information
@xadupre
xadupre committed Jan 8, 2024
commit 8436ea447246d57e782866e4f099d93313db263e
1 change: 1 addition & 0 deletions .gitignore
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Expand Up @@ -14,6 +14,7 @@ build/*
*egg-info/*
onnxruntime_profile*
prof
test*.png
_doc/sg_execution_times.rst
_doc/auto_examples/*
_doc/examples/_cache/*
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6 changes: 6 additions & 0 deletions _unittests/ut_plotting/test_graphviz.py
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Expand Up @@ -25,6 +25,12 @@ def test_draw_graph_graphviz(self):
draw_graph_graphviz(dot, image=fout)
self.assertExists(os.path.exists(fout))

def test_draw_graph_graphviz_proto(self):
fout = "test_draw_graph_graphviz_proto.png"
dot = self._get_graph()
draw_graph_graphviz(dot, image=fout)
self.assertExists(os.path.exists(fout))

def test_plot_dot(self):
dot = to_dot(self._get_graph())
ax = plot_dot(dot)
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20 changes: 13 additions & 7 deletions onnx_array_api/plotting/graphviz_helper.py
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Expand Up @@ -2,8 +2,9 @@
import subprocess
import sys
import tempfile
from typing import List, Optional, Tuple
from typing import List, Optional, Tuple, Union
import numpy as np
from onnx import ModelProto


def _find_in_PATH(prog: str) -> Optional[str]:
Expand Down Expand Up @@ -139,24 +140,29 @@ def _run_graphviz(filename: str, image: str, engine: str = "dot") -> str:


def draw_graph_graphviz(
dot: str,
dot: Union[str, ModelProto],
image: str,
engine: str = "dot",
) -> str:
"""
Draws a graph using :epkg:`Graphviz`.

:param dot: dot graph
:param dot: dot graph or ModelProto
:param image: output image, None, just returns the output
:param engine: *dot* or *neato*
:return: :epkg:`Graphviz` output or
the dot text if *image* is None

The function creates a temporary file to store the dot file if *image* is not None.
"""
if isinstance(dot, ModelProto):
from .dot_plot import to_dot

sdot = to_dot(dot)
else:
sdot = dot
with tempfile.NamedTemporaryFile(delete=False) as fp:
fp.write(dot.encode("utf-8"))
fp.seek(0)
fp.write(sdot.encode("utf-8"))
fp.close()

filename = fp.name
Expand All @@ -172,15 +178,15 @@ def draw_graph_graphviz(


def plot_dot(
dot: str,
dot: Union[str, ModelProto],
ax: Optional["matplotlib.axis.Axis"] = None, # noqa: F821
engine: str = "dot",
figsize: Optional[Tuple[int, int]] = None,
) -> "matplotlib.axis.Axis": # noqa: F821
"""
Draws a dot graph into a matplotlib graph.

:param dot: dot graph
:param dot: dot graph or ModelProto
:param image: output image, None, just returns the output
:param engine: *dot* or *neato*
:param figsize: figsize of ax is None
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