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Added <!-- %revision% --> place-holder #492

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Added <!-- %revision% --> place-holder #492

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1 change: 1 addition & 0 deletions src/wireviz/templates/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ Note that there must be one single space between `--` and `%` at both ends.
| `<!-- %sheet_total% -->` | `1` (multi-page documents not yet supported) |
| `<!-- %diagram% -->` | Embedded SVG diagram as valid HTML |
| `<!-- %diagram_png_b64% -->` | Embedded base64 encoded PNG diagram as URI |
| `<!-- %revision% -->` | The name of the last revision |
| `<!-- %{item}% -->` | String or numeric value of `metadata.{item}` |
| `<!-- %{item}_{i}% -->` | Category number `{i}` within dict value of `metadata.{item}` |
| `<!-- %{item}_{i}_{key}% -->` | Value of `metadata.{item}.{category}.{key}` |
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8 changes: 8 additions & 0 deletions src/wireviz/wv_output.py
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Expand Up @@ -64,6 +64,13 @@ def get_mime_subtype(filename: Union[str, Path]) -> str:
return mime_subtype


def _get_latest_revision(metadata: Dict) -> str:
if not "revisions" in metadata:
return ""
revision = list(metadata.get("revisions"))[-1]
return revision


def embed_svg_images_file(
filename_in: Union[str, Path], overwrite: bool = True
) -> None:
Expand Down Expand Up @@ -148,6 +155,7 @@ def svgdata() -> str:
"<!-- %template_sheetsize% -->": metadata.get("template", {}).get(
"sheetsize", ""
),
"<!-- %revision% -->": _get_latest_revision(metadata),
}

def replacement_if_used(key: str, func: Callable[[], str]) -> None:
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