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Add "save_to_disk" flag in the Diagram class to control automatic diagram file saving #1017

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Add "save_to_disk" flag in the Diagram class to control automatic diagram file saving #1017

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1ad084c
Add save_to_disk flag to control diagram file saving
Cole-M132 Sep 5, 2024
9d19211
Removed checks from render() operation
Cole-M132 Sep 5, 2024
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13 changes: 10 additions & 3 deletions diagrams/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,7 @@ def __init__(
graph_attr: Optional[dict] = None,
node_attr: Optional[dict] = None,
edge_attr: Optional[dict] = None,
save_to_disk: bool = True, # Add flag to control saving behavior
):
"""Diagram represents a global diagrams context.

Expand Down Expand Up @@ -118,6 +119,9 @@ def __init__(
filename = "_".join(self.name.split()).lower()
self.filename = filename
self.dot = Digraph(self.name, filename=self.filename, strict=strict)
if save_to_disk is None:
save_to_disk = True


# Set attributes.
for k, v in self._default_graph_attrs.items():
Expand Down Expand Up @@ -152,6 +156,7 @@ def __init__(

self.show = show
self.autolabel = autolabel
self.save_to_disk = save_to_disk

def __str__(self) -> str:
return str(self.dot)
Expand All @@ -161,11 +166,13 @@ def __enter__(self):
return self

def __exit__(self, exc_type, exc_value, traceback):
self.render()
# Remove the graphviz file leaving only the image.
os.remove(self.filename)
if self.save_to_disk: # Only render if save_to_disk is True
self.render()
# Remove the graphviz file leaving only the image.
os.remove(self.filename)
setdiagram(None)


def _repr_png_(self):
return self.dot.pipe(format="png")

Expand Down