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@ -308,82 +308,137 @@ class ArchivView(generic.ListView): |
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def get_context_data(self, **kwargs): |
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context = super(ArchivView, self).get_context_data(**kwargs) |
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vyska = 297 # px |
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sirka = 210 # px |
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vyska = 594 # px |
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sirka = 420 # 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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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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# 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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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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# slovník {(ročník, url obrázku)} |
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urls ={} |
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# for j, rocnik in enumerate(Rocnik.objects.all()): |
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# urls_rocnik = {} |
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# for i,c in enumerate(rocnik.cisla.all()): |
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# if not c.pdf: |
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# urls_rocnik[c.poradi] = op.join(settings.MEDIA_URL, "cislo", "png", "default.png") |
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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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# 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_rocnik[c.poradi] = op.join(settings.MEDIA_URL, "cislo", "png", png_filename) |
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# urls[rocnik] = urls_rocnik |
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for i,c in enumerate(cisla): |
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if not c.pdf: |
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urls[c.rocnik] = op.join(settings.MEDIA_URL, "cislo", "png", "default.png") |
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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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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[c.rocnik] = op.join(settings.MEDIA_URL, "cislo", "png", png_filename) |
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context["object_list"] = urls |
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print(context) |
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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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# # 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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# 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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return context |
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### Výsledky |
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Anet
5 years ago