Raymond Hettinger <raymond.hettin...@gmail.com> added the comment:
Here's a before and after example from my code.
==========================================================================
class GraphvizResult(NamedTuple):
svg: str
err: str
def create_svg(dot: str) -> GraphvizResult:
'Convert a string in the "dot" format to an "svg" string using Graphviz'
cp = run(['dot', '-Tsvg'], input=dot, capture_output=True, text=True)
result = cp.stdout
if not cp.returncode:
i = result.index('<svg ')
result = result[i:]
return GraphvizResult(result, cp.stderr)
def create_svg(dot: str) -> GraphvizResult:
'Convert a string in the "dot" format to an "svg" string using Graphviz'
cp = run(['dot', '-Tsvg'], input=dot, capture_output=True, text=True)
result = cp.stdout
if cp:
i = result.index('<svg ')
result = result[i:]
return GraphvizResult(result, cp.stderr)
----------
nosy: +rhettinger
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