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https://github.com/kennethreitz/kjvstudy.org.git
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kennethreitz
91b2e2cab0
Previously, stories.py loaded all story JSON files on every request and timeline.py loaded biblical_timeline.json on every request. Now both use module-level caching for better performance. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
116 lines
3.9 KiB
Python
116 lines
3.9 KiB
Python
"""Biblical timeline routes."""
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import json
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from pathlib import Path
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from fastapi import APIRouter, HTTPException, Request
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from fastapi.responses import HTMLResponse, StreamingResponse
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from fastapi.templating import Jinja2Templates
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from ..kjv import bible
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from ..utils.pdf import WEASYPRINT_AVAILABLE, render_html_to_pdf_async
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router = APIRouter()
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templates = None
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def init_templates(t: Jinja2Templates):
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"""Initialize templates for timeline routes."""
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global templates
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templates = t
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# =============================================================================
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# Helper Functions
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# =============================================================================
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# Cache timeline data at module level
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_TIMELINE_CACHE: dict | None = None
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def _load_timeline_data() -> dict:
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"""Load timeline data from JSON file (internal, uncached)."""
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data_dir = Path(__file__).parent.parent / "data"
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timeline_path = data_dir / "biblical_timeline.json"
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with open(timeline_path, 'r', encoding='utf-8') as f:
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return json.load(f)
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def get_biblical_timeline_context():
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"""
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Load comprehensive biblical timeline data from JSON file (cached).
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Returns tuple of (timeline_events, introduction, chronology_note, chronology_comparison, conclusion)
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"""
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global _TIMELINE_CACHE
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if _TIMELINE_CACHE is None:
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_TIMELINE_CACHE = _load_timeline_data()
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timeline_events = _TIMELINE_CACHE.get("timeline_events", {})
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introduction = _TIMELINE_CACHE.get("introduction", "")
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chronology_note = _TIMELINE_CACHE.get("chronology_note", "")
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chronology_comparison = _TIMELINE_CACHE.get("chronology_comparison", [])
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conclusion = _TIMELINE_CACHE.get("conclusion", "")
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return timeline_events, introduction, chronology_note, chronology_comparison, conclusion
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# =============================================================================
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# Routes
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# =============================================================================
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@router.get("/biblical-timeline", response_class=HTMLResponse)
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async def biblical_timeline_page(request: Request):
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"""Biblical timeline page showing major biblical events chronologically"""
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books = bible.get_books()
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timeline_events, introduction, chronology_note, chronology_comparison, conclusion = get_biblical_timeline_context()
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breadcrumbs = [
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{"text": "Home", "url": "/"},
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{"text": "Resources", "url": "/resources"},
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{"text": "Biblical Timeline", "url": None}
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]
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return templates.TemplateResponse(
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request,
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"biblical_timeline.html",
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{
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"books": books,
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"timeline_events": timeline_events,
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"introduction": introduction,
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"chronology_note": chronology_note,
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"chronology_comparison": chronology_comparison,
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"conclusion": conclusion,
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"breadcrumbs": breadcrumbs,
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"pdf_available": WEASYPRINT_AVAILABLE
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}
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)
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@router.get("/biblical-timeline/pdf")
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async def biblical_timeline_pdf():
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"""Generate PDF export for the biblical timeline."""
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if not WEASYPRINT_AVAILABLE:
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raise HTTPException(
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status_code=503,
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detail="PDF generation is not available. WeasyPrint system libraries are not installed."
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)
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timeline_events, introduction, chronology_note, chronology_comparison, conclusion = get_biblical_timeline_context()
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html_content = templates.get_template("biblical_timeline_pdf.html").render(
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timeline_events=timeline_events,
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introduction=introduction,
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chronology_note=chronology_note,
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chronology_comparison=chronology_comparison,
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conclusion=conclusion
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)
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pdf_buffer = await render_html_to_pdf_async(html_content)
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return StreamingResponse(
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pdf_buffer,
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media_type="application/pdf",
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headers={"Content-Disposition": "attachment; filename=biblical-timeline.pdf"}
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)
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