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#!/usr/bin/env python3
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"""Convert ROADMAP.md to PDF (Cyrillic-safe via reportlab)."""
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from __future__ import annotations
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import re
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import sys
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from pathlib import Path
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from xml.sax.saxutils import escape
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from reportlab.lib import colors
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from reportlab.lib.pagesizes import A4
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from reportlab.lib.styles import ParagraphStyle, getSampleStyleSheet
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from reportlab.lib.units import mm
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from reportlab.platypus import Paragraph, Preformatted, SimpleDocTemplate, Spacer, Table, TableStyle
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ROOT = Path(__file__).resolve().parents[1]
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if str(ROOT) not in sys.path:
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sys.path.insert(0, str(ROOT))
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from app.services.pdf_cyrillic_fonts import ( # noqa: E402
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register_cyrillic_font,
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register_cyrillic_font_bold,
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)
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def md_inline(text: str) -> str:
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text = escape(text)
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text = re.sub(r"\*\*(.+?)\*\*", r"<b>\1</b>", text)
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text = re.sub(r"`([^`]+)`", r'<font face="Courier">\1</font>', text)
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return text
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def build_styles(font: str, bold_font: str):
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styles = getSampleStyleSheet()
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styles.add(
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ParagraphStyle(
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name="RoadmapTitle",
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parent=styles["Title"],
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fontName=bold_font,
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fontSize=18,
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leading=22,
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spaceAfter=10,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapH2",
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parent=styles["Heading2"],
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fontName=bold_font,
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fontSize=13,
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leading=16,
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spaceBefore=12,
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spaceAfter=6,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapH3",
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parent=styles["Heading3"],
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fontName=bold_font,
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fontSize=11,
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leading=14,
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spaceBefore=8,
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spaceAfter=4,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapBody",
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parent=styles["Normal"],
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fontName=font,
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fontSize=9,
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leading=12,
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spaceAfter=4,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapQuote",
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parent=styles["Normal"],
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fontName=font,
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fontSize=9,
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leading=12,
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leftIndent=12,
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textColor=colors.HexColor("#374151"),
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spaceAfter=6,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapBullet",
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parent=styles["Normal"],
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fontName=font,
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fontSize=9,
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leading=12,
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leftIndent=14,
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bulletIndent=6,
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spaceAfter=2,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapCode",
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parent=styles["Code"],
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fontName="Courier",
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fontSize=7.5,
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leading=9.5,
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backColor=colors.HexColor("#f3f4f6"),
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borderPadding=4,
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spaceAfter=6,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapTableCell",
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parent=styles["Normal"],
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fontName=font,
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fontSize=8,
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leading=10,
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)
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)
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styles.add(
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ParagraphStyle(
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name="RoadmapTableHeader",
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parent=styles["Normal"],
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fontName=bold_font,
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fontSize=8,
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leading=10,
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)
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)
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return styles
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def parse_table(lines: list[str], start: int) -> tuple[list[list[str]], int]:
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rows: list[list[str]] = []
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i = start
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while i < len(lines):
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line = lines[i].strip()
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if not line.startswith("|"):
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break
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if re.match(r"^\|[-:\s|]+\|$", line):
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i += 1
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continue
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cells = [c.strip() for c in line.strip("|").split("|")]
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rows.append(cells)
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i += 1
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return rows, i
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def table_flowable(rows: list[list[str]], styles, usable_width: float):
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if not rows:
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return None
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ncols = max(len(r) for r in rows)
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col_width = usable_width / ncols
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data = []
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for ri, row in enumerate(rows):
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style = styles["RoadmapTableHeader"] if ri == 0 else styles["RoadmapTableCell"]
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padded = row + [""] * (ncols - len(row))
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data.append([Paragraph(md_inline(c), style) for c in padded])
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tbl = Table(data, colWidths=[col_width] * ncols, repeatRows=1)
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tbl.setStyle(
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TableStyle(
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[
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("BACKGROUND", (0, 0), (-1, 0), colors.HexColor("#e5e7eb")),
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("GRID", (0, 0), (-1, -1), 0.25, colors.HexColor("#d1d5db")),
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("VALIGN", (0, 0), (-1, -1), "TOP"),
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("LEFTPADDING", (0, 0), (-1, -1), 4),
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("RIGHTPADDING", (0, 0), (-1, -1), 4),
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("TOPPADDING", (0, 0), (-1, -1), 3),
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("BOTTOMPADDING", (0, 0), (-1, -1), 3),
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]
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)
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)
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return tbl
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def roadmap_to_pdf(md_path: Path, pdf_path: Path) -> None:
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font = register_cyrillic_font()
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bold_font = register_cyrillic_font_bold()
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styles = build_styles(font, bold_font)
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margin = 14 * mm
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page_width, _ = A4
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usable_width = page_width - 2 * margin
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text = md_path.read_text(encoding="utf-8")
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lines = text.splitlines()
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story = []
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i = 0
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while i < len(lines):
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line = lines[i]
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stripped = line.strip()
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if not stripped:
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i += 1
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continue
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if stripped == "---":
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story.append(Spacer(1, 4))
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i += 1
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continue
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if stripped.startswith("```"):
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code_lines = []
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i += 1
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while i < len(lines) and not lines[i].strip().startswith("```"):
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code_lines.append(lines[i])
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i += 1
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if i < len(lines):
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i += 1
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code_text = escape("\n".join(code_lines))
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story.append(Preformatted(code_text, styles["RoadmapCode"]))
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continue
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if stripped.startswith("|"):
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rows, i = parse_table(lines, i)
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tbl = table_flowable(rows, styles, usable_width)
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if tbl:
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story.append(tbl)
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story.append(Spacer(1, 6))
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continue
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if stripped.startswith("# "):
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story.append(Paragraph(md_inline(stripped[2:]), styles["RoadmapTitle"]))
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i += 1
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continue
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if stripped.startswith("## "):
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story.append(Paragraph(md_inline(stripped[3:]), styles["RoadmapH2"]))
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i += 1
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continue
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if stripped.startswith("### "):
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story.append(Paragraph(md_inline(stripped[4:]), styles["RoadmapH3"]))
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i += 1
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continue
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if stripped.startswith("> "):
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story.append(Paragraph(md_inline(stripped[2:]), styles["RoadmapQuote"]))
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i += 1
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continue
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if re.match(r"^[-*]\s+\[[ x]\]", stripped):
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content = re.sub(r"^[-*]\s+\[[ x]\]\s*", "", stripped)
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story.append(Paragraph(f"• {md_inline(content)}", styles["RoadmapBullet"]))
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i += 1
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continue
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if stripped.startswith("- ") or stripped.startswith("* "):
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story.append(Paragraph(f"• {md_inline(stripped[2:])}", styles["RoadmapBullet"]))
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i += 1
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continue
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if re.match(r"^\d+\.\s", stripped):
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story.append(Paragraph(md_inline(stripped), styles["RoadmapBullet"]))
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i += 1
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continue
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story.append(Paragraph(md_inline(stripped), styles["RoadmapBody"]))
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i += 1
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pdf_path.parent.mkdir(parents=True, exist_ok=True)
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doc = SimpleDocTemplate(
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str(pdf_path),
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pagesize=A4,
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leftMargin=margin,
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rightMargin=margin,
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topMargin=14 * mm,
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bottomMargin=14 * mm,
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title="WESP — дорожная карта разработки",
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)
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doc.build(story)
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def main() -> int:
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root = Path(__file__).resolve().parents[1]
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md_path = root / "docs" / "ROADMAP.md"
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out = Path(sys.argv[1]) if len(sys.argv) > 1 else Path.home() / "Downloads" / "WESP-ROADMAP.pdf"
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if not md_path.is_file():
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print(f"Not found: {md_path}", file=sys.stderr)
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return 1
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roadmap_to_pdf(md_path, out)
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print(out)
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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Reference in New Issue
Block a user