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@leonlan leonlan commented Jun 24, 2024

This PR raises a ValueError when a specification is introduced after a section. Closes #118.

@leonlan leonlan changed the title Raise section before specification Raise specification after section Jun 24, 2024
@leonlan leonlan requested a review from N-Wouda June 24, 2024 19:08
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leonlan commented Jun 24, 2024

This is probably the last thing I want to include with the current parser because it's getting too messy 😅. I'll have a go at a VRPLIB grammar soon.

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N-Wouda commented Jun 24, 2024

This also closes #118, right?

end_section = start + 1

for next_line in lines[start + 1 :]:
if ":" in next_line:
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Is this a sufficient test for a specification? (probably yes but can there ever be data in a section with a colon in it?)

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I cannot think of any data section that must include :'s. Only thing I can think of are strings but we should probably avoid strings in data sections as they can often be mapped to numerical values. I think we're OK if we define the VRPLIB standard to reserve : as a specifications identifier.

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I am excited about having a grammar for this so we can definitively say what's OK and what's not 😆.

@leonlan leonlan linked an issue Jun 24, 2024 that may be closed by this pull request
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leonlan commented Jun 24, 2024

This also closes #118, right?

Yea, linked it to the PR!

@leonlan leonlan merged commit 3c9e2f4 into main Jun 24, 2024
@leonlan leonlan deleted the raise-section-before-specification branch June 24, 2024 19:21
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Ordering issue in VRPLIB files

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