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bugfix: #1547 Before calling serializeToString in mmdc_playwright.py, make sure the SVG element exists.

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voidking 2024-11-01 13:51:24 +08:00
parent b5bb4d7e63
commit 04438651b6
1 changed files with 7 additions and 4 deletions
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11
metagpt/utils/mmdc_playwright.py
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@ -81,10 +81,13 @@ async def mermaid_to_file(mermaid_code, output_file_without_suffix, width=2048,
if "svg" in suffixes:
svg_xml = await page.evaluate(
"""() => {
const svg = document.querySelector('svg');
const xmlSerializer = new XMLSerializer();
return xmlSerializer.serializeToString(svg);
}"""
const svg = document.querySelector('svg');
if (!svg) {
throw new Error('SVG element not found');
}
const xmlSerializer = new XMLSerializer();
return xmlSerializer.serializeToString(svg);
}"""
)
logger.info(f"Generating {output_file_without_suffix}.svg..")
with open(f"{output_file_without_suffix}.svg", "wb") as f: