pokusy s archivem, pokouším se do kontextu k ročníku přidat cestu k png 1. čísla, teď to nefunguje
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Kateřina Čížková
parent
2a347d988f
commit
732a2273db
2 changed files with 94 additions and 60 deletions
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@ -15,6 +15,7 @@
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<ul>
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{% for r in object_list %}
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<li><a href='{{ r.verejne_url }}'>Ročník {{ r }}</a>
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<img src="{{ object_list.r }}" alt="">
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{% empty %}
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Nejsou žádné ročníky
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{% endfor %}
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@ -22,4 +23,3 @@
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</div>
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{% endblock content %}
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@ -311,79 +311,113 @@ class ArchivView(generic.ListView):
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vyska = 297 # px
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sirka = 210 # px
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# nejnovějších 10 zveřejněných čísel
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# cisla = Cislo.objects.filter(verejne_db=True)[:10]
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cisla = Cislo.objects.filter(poradi=1)[:10]
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# první číslo z každého ročníku
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cisla = Cislo.objects.filter(poradi=1)
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# op == os.path, udělá z argumentů cestu
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png_dir = op.join(settings.MEDIA_ROOT, "cislo", "png")
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# seznam [(url obrázku, číslo)]
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urls = []
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urls ={}
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for i, c in enumerate(cisla):
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for i,c in enumerate(cisla):
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if not c.pdf:
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continue
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filename = os.path.split(c.pdf.file.name)[1].split(".")[0]
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png_filename = "{}-{}px.png".format(filename, vyska)
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urls[c.rocnik] = op.join(settings.MEDIA_URL, "cislo", "png", "default.png")
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# urls.append(
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# (op.join(settings.MEDIA_URL, "cislo", "png", "default.png"), c.rocnik)
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# )
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else:
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filename = os.path.split(c.pdf.file.name)[1].split(".")[0]
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png_filename = "{}.png".format(filename)
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# Pokud obrázek neexistuje nebo není aktuální, vytvoř jej
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png_path = op.join(png_dir, png_filename)
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if not op.exists(png_path) or \
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op.getmtime(png_path) < op.getmtime(c.pdf.path):
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# Pokud obrázek neexistuje nebo není aktuální, vytvoř jej
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png_path = op.join(png_dir, png_filename)
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if not op.exists(png_path) or \
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op.getmtime(png_path) < op.getmtime(c.pdf.path):
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subprocess.call([
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"convert",
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"-density", "300x300",
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"-geometry", "{}x{}".format(vyska, sirka),
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"-background", "white",
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"-flatten",
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"-rotate", str(90 * i),
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"{}[0]".format(c.pdf.path), # titulní strana
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png_path
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])
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subprocess.call([
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"convert",
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"-density", "300x300",
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"-geometry", "{}x{}".format(vyska, sirka),
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"-background", "white",
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"-flatten",
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"{}[0]".format(c.pdf.path), # titulní strana
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png_path
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])
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urls.append(
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(op.join(settings.MEDIA_URL, "cislo", "png", png_filename), c)
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)
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vyska, sirka = sirka, vyska / 2
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urls[c.rocnik] = op.join(settings.MEDIA_URL, "cislo", "png", png_filename)
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#urls.append(
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#(op.join(settings.MEDIA_URL, "cislo", "png", png_filename), c.rocnik)
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#)
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tags = []
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context["object_list"] = urls
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def spirala(urls, tags, idx):
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"""Rekurzivně prochází urls a generuje strom elementů do tags"""
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if idx >= len(urls):
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return
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# for i, c in enumerate(cisla):
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# if not c.pdf:
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# continue
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# filename = os.path.split(c.pdf.file.name)[1].split(".")[0]
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# png_filename = "{}-{}px.png".format(filename, vyska)
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img_url, cislo = urls[idx]
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tags.append(
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"<div style='top:{}%;left:{}%;width:{}%;height:{}%;'>"
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.format(
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50 if idx % 4 == 2 else 0,
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50 if idx % 4 == 1 else 0,
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50 if idx % 2 == 1 else 100,
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50 if idx > 0 and idx % 2 == 0 else 100
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)
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)
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tags.append("<a href='{}' title='{}'>".format(
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cislo.verejne_url(), cislo.kod()
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))
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tags.append(
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"<img src='{}' style='top:{}%;left:{}%;width:{}%;height:{}%;'>"
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.format(
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img_url,
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50 if idx % 4 == 3 else 0,
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50 if idx % 4 == 2 else 0,
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50 if idx % 2 == 0 else 100,
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50 if idx % 2 == 1 else 100
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)
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)
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tags.append("</a>")
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spirala(urls, tags, idx + 1)
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tags.append("</div>")
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spirala(urls, tags, 0)
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# # Pokud obrázek neexistuje nebo není aktuální, vytvoř jej
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# png_path = op.join(png_dir, png_filename)
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# if not op.exists(png_path) or \
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# op.getmtime(png_path) < op.getmtime(c.pdf.path):
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context["nahledy"] = "\n".join(tags)
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# subprocess.call([
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# "convert",
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# "-density", "300x300",
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# "-geometry", "{}x{}".format(vyska, sirka),
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# "-background", "white",
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# "-flatten",
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# "-rotate", str(90 * i),
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# "{}[0]".format(c.pdf.path), # titulní strana
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# png_path
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# ])
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# urls.append(
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# (op.join(settings.MEDIA_URL, "cislo", "png", png_filename), c)
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# )
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# vyska, sirka = sirka, vyska / 2
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# tags = []
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# def spirala(urls, tags, idx):
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# """Rekurzivně prochází urls a generuje strom elementů do tags"""
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# if idx >= len(urls):
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# return
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# img_url, cislo = urls[idx]
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# tags.append(
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# "<div style='top:{}%;left:{}%;width:{}%;height:{}%;'>"
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# .format(
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# 50 if idx % 4 == 2 else 0,
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# 50 if idx % 4 == 1 else 0,
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# 50 if idx % 2 == 1 else 100,
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# 50 if idx > 0 and idx % 2 == 0 else 100
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# )
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# )
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# tags.append("<a href='{}' title='{}'>".format(
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# cislo.verejne_url(), cislo.kod()
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# ))
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# tags.append(
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# "<img src='{}' style='top:{}%;left:{}%;width:{}%;height:{}%;'>"
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# .format(
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# img_url,
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# 50 if idx % 4 == 3 else 0,
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# 50 if idx % 4 == 2 else 0,
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# 50 if idx % 2 == 0 else 100,
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# 50 if idx % 2 == 1 else 100
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# )
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# )
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# tags.append("</a>")
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# spirala(urls, tags, idx + 1)
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# tags.append("</div>")
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# spirala(urls, tags, 0)
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# context["nahledy"] = "\n".join(tags)
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print(context)
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for i in context["object_list"]:
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print(context["object_list"][i])
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return context
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### Výsledky
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