Fix documentation (#81)

* update requirements

* fix names in to_dot

* doc

* fix doc

* doc

* fix doc

* doc

_doc/api/plotting.rst

@@ -6,6 +6,8 @@ Dot
 
 .. autofunction:: onnx_array_api.plotting.dot_plot.to_dot
 
+.. autofunction:: onnx_array_api.plotting.graphviz_helper.plot_dot
+
 Statistics
 ++++++++++
 

_doc/conf.py

@@ -117,6 +117,7 @@
     "ast": "https://docs.python.org/3/library/ast.html",
     "cProfile.Profile": "https://docs.python.org/3/library/profile.html#profile.Profile",
     "DOT": "https://graphviz.org/doc/info/lang.html",
+    "Graphviz": "https://graphviz.org/",
     "inner API": "https://onnx.ai/onnx/intro/python.html",
     "JIT": "https://en.wikipedia.org/wiki/Just-in-time_compilation",
     "onnx": "https://onnx.ai/onnx/",

_doc/tutorial/onnx_api.rst

@@ -71,7 +71,11 @@ the true implementation would be the following.
             n2 = oh.make_node("Pow", ["dxy", "two"], ["dxy2"])
             n3 = oh.make_node("ReduceSum", ["dxy2"], [output_name])
             graph = oh.make_graph([n1, n2, n3], "euclidian", [X, Y], [Z], [two])
-            model = oh.make_model(graph, opset_imports=[oh.make_opsetid("", opset)])
+            model = oh.make_model(
+                graph,
+                opset_imports=[oh.make_opsetid("", opset)],
+                ir_version=9,
+            )
             return model
 
 

onnx_array_api/plotting/dot_plot.py

@@ -116,7 +116,12 @@ def myloss(x, y):
     clean_label_reg2 = re.compile("\\\\p\\{[0-9P]{1,6}\\}")
 
     def dot_name(text):
-        return text.replace("/", "_").replace(":", "__").replace(".", "_")
+        return (
+            text.replace("/", "_")
+            .replace(":", "__")
+            .replace(".", "_")
+            .replace("-", "_")
+        )
 
     def dot_label(text):
         if text is None:

onnx_array_api/plotting/graphviz_helper.py

@@ -73,7 +73,7 @@ def _run_subprocess(
         shell=False,
         env=os.environ,
         stdout=subprocess.PIPE,
-        stderr=subprocess.STDOUT,
+        stderr=subprocess.PIPE,
     )
     raise_exception = False
     output = ""
@@ -91,12 +91,14 @@ def _run_subprocess(
             ):
                 raise_exception = True
     p.poll()
+    error = p.stderr.readline().decode(errors="ignore")
     p.stdout.close()
-    if raise_exception:
+    if error and raise_exception:
         raise RuntimeError(
-            "An error was found in the output. The build is stopped.\n{output}"
+            f"An error was found in the output. The build is stopped."
+            f"\n{output}\n---\n{error}"
         )
-    return output
+    return output + "\n" + error
 
 
 def _run_graphviz(filename: str, image: str, engine: str = "dot") -> str:
@@ -134,8 +136,12 @@ def _run_graphviz(filename: str, image: str, engine: str = "dot") -> str:
         exe = engine
     if os.path.exists(image):
         os.remove(image)
-    output = _run_subprocess([exe, f"-T{ext[1:]}", filename, "-o", image])
-    assert os.path.exists(image), f"Graphviz failed due to {output}"
+    cmd = [exe, f"-T{ext[1:]}", filename, "-o", image]
+    output = _run_subprocess(cmd)
+    assert os.path.exists(image), (
+        f"Unable to find {image!r}, command line is "
+        f"{' '.join(cmd)!r}, Graphviz failed due to\n{output}"
+    )
     return output
 
 
@@ -190,23 +196,25 @@ def plot_dot(
     :param image: output image, None, just returns the output
     :param engine: *dot* or *neato*
     :param figsize: figsize of ax is None
-    :return: :epkg:`Graphviz` output or
-        the dot text if *image* is None
+    :return: :epkg:`Graphviz` output or, the dot text if *image* is None
 
     .. plot::
 
         import matplotlib.pyplot as plt
         import onnx.parser
+        from onnx_array_api.plotting.graphviz_helper import plot_dot
 
         model = onnx.parser.parse_model(
-                    '''
-                    <ir_version: 8, opset_import: [ "": 18]>
-                    agraph (float[N] x) => (float[N] z) {
-                        two = Constant <value_float=2.0> ()
-                        four = Add(two, two)
-                        z = Mul(four, four)
-                    }''')
-        ax = plot_dot(dot)
+            '''
+            <ir_version: 8, opset_import: [ "": 18]>
+            agraph (float[N] x) => (float[N] z) {
+                two = Constant <value_float=2.0> ()
+                four = Add(two, two)
+                z = Mul(four, four)
+            }
+        ''')
+
+        ax = plot_dot(model)
         ax.set_title("Dummy graph")
         plt.show()
     """

onnx_array_api/reference/evaluator_yield.py

@@ -237,10 +237,9 @@ def enumerate_summarized(
         Executes the onnx model and enumerate intermediate results without their names.
 
         :param output_names: requested outputs by names, None for all
-        :param feed_inputs: dictionary `{ input name: input value }`
-        :param raise_exc: raises an exception if the execution fails or stop
-            where it is
-        :param keep_tensor:keep the tensor in order to compute precise distances
+        :param feed_inputs: dictionary ``{ input name: input value }``
+        :param raise_exc: raises an exception if the execution fails or stop where it is
+        :param keep_tensor: keep the tensor in order to compute precise distances
         :return: iterator on ResultExecution
         """
         for kind, name, value, op_type in self.enumerate_results(

onnx_array_api/validation/docs.py

@@ -30,7 +30,9 @@ def make_euclidean(
     n2 = oh.make_node("Pow", ["dxy", "two"], ["dxy2"])
     n3 = oh.make_node("ReduceSum", ["dxy2"], [output_name])
     graph = oh.make_graph([n1, n2, n3], "euclidian", [X, Y], [Z], [two])
-    model = oh.make_model(graph, opset_imports=[oh.make_opsetid("", opset)])
+    model = oh.make_model(
+        graph, opset_imports=[oh.make_opsetid("", opset)], ir_version=9
+    )
     return model