Fiches de poste : message de l'organisation en bas de chaque page
Edition.volunteer_message imprimé en pied de chaque page (suite d'une feuille comprise), la marge du bas agrandie de sa hauteur ; rien sans message. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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co-authored by
Claude Opus 5.5
parent
c6ea7378c7
commit
cc8c2e61ab
@@ -12,6 +12,7 @@ bénévole, une feuille identifie un poste pour la journée.
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import datetime as dt
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import io
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from dataclasses import dataclass
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from xml.sax.saxutils import escape
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from PIL import Image as PILImage
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from PIL import ImageOps, UnidentifiedImageError
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@@ -114,10 +115,41 @@ def _styles() -> dict[str, ParagraphStyle]:
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"ShiftHeaderWarning", parent=base["Heading3"],
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fontSize=13, spaceBefore=12, spaceAfter=4, textColor=colors.HexColor("#b23a1f"),
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),
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"footerTitle": ParagraphStyle(
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"SheetFooterTitle", parent=base["Normal"],
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fontName="Helvetica-Bold", fontSize=8.5, leading=11,
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),
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"footer": ParagraphStyle(
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"SheetFooter", parent=base["Normal"], fontSize=8.5, leading=11,
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),
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"normal": base["Normal"],
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}
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@dataclass(frozen=True)
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class SheetFooter:
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"""Message imprimé en bas de chaque page (message de l'organisation,
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`Edition.volunteer_message`) : `title` en gras, puis `message` —
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retours à la ligne conservés."""
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title: str
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message: str
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_MARGIN_X = 18 * mm
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_MARGIN_BOTTOM = 16 * mm
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# Écart entre le bas du contenu et le filet du pied de page.
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_FOOTER_GAP = 5 * mm
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def _footer_paragraphs(footer: SheetFooter, styles: dict) -> list[Paragraph]:
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message = escape(footer.message).replace("\n", "<br/>")
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return [
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Paragraph(escape(footer.title), styles["footerTitle"]),
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Paragraph(message, styles["footer"]),
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]
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def _thumbnail(photo: bytes) -> tuple[bytes, int, int] | None:
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"""Photo réduite à la taille de la vignette (orientation EXIF appliquée),
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en JPEG : `(octets, largeur, hauteur)`, `None` si illisible. La photo
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@@ -176,14 +208,38 @@ def _shift_table(shift: SheetShift, cache: dict[bytes, tuple[bytes, int, int] |
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return table
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def generate_position_sheets_pdf(sheets: list[PositionDaySheet]) -> bytes:
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def generate_position_sheets_pdf(
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sheets: list[PositionDaySheet], footer: SheetFooter | None = None
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) -> bytes:
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"""`footer` : imprimé en bas de **chaque** page (y compris la suite
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d'une feuille sur une seconde page) ; la marge du bas s'agrandit de sa
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hauteur pour que le contenu ne passe jamais dessous."""
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styles = _styles()
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buffer = io.BytesIO()
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width = A4[0] - 2 * _MARGIN_X
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paragraphs = _footer_paragraphs(footer, styles) if footer else []
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footer_height = sum(p.wrap(width, A4[1])[1] for p in paragraphs)
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doc = SimpleDocTemplate(
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buffer, pagesize=A4,
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leftMargin=18 * mm, rightMargin=18 * mm, topMargin=16 * mm, bottomMargin=16 * mm,
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leftMargin=_MARGIN_X, rightMargin=_MARGIN_X, topMargin=16 * mm,
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bottomMargin=_MARGIN_BOTTOM + (footer_height + _FOOTER_GAP if paragraphs else 0),
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)
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def draw_footer(canvas, _doc) -> None:
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if not paragraphs:
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return
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canvas.saveState()
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top = _MARGIN_BOTTOM + footer_height
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canvas.setStrokeColor(colors.black)
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canvas.setLineWidth(0.75)
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canvas.line(_MARGIN_X, top + 2 * mm, _MARGIN_X + width, top + 2 * mm)
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y = top
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for p in paragraphs:
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_, h = p.wrap(width, A4[1])
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y -= h
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p.drawOn(canvas, _MARGIN_X, y)
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canvas.restoreState()
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story = []
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thumbnails: dict[bytes, tuple[bytes, int, int] | None] = {}
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for i, sheet in enumerate(sheets):
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@@ -228,5 +284,5 @@ def generate_position_sheets_pdf(sheets: list[PositionDaySheet]) -> bytes:
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story.append(Paragraph("Personne affecté pour l'instant.", styles["normal"]))
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story.append(Spacer(1, 0))
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doc.build(story)
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doc.build(story, onFirstPage=draw_footer, onLaterPages=draw_footer)
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return buffer.getvalue()
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