69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
import json
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from functools import lru_cache
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import pygments
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from django.http import HttpResponse, HttpResponseRedirect
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from django.shortcuts import get_object_or_404, render
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from django.template import RequestContext, loader
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from django.urls import reverse
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from django.views.decorators.csrf import csrf_exempt
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from pygments.formatters import HtmlFormatter
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from pygments.lexers import get_lexer_by_name
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from paste.forms import PasteForm
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from paste.models import Paste
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from webtools import settings
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@csrf_exempt
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def index(request):
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"""Displays form."""
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if request.method == "GET":
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return render(request, "paste/index.html")
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paste = Paste()
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paste.choose_slug()
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if not request.FILES:
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return HttpResponse(json.dumps({"error": "Please provide a file."}, indent=4))
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(filename, the_file), *_ = request.FILES.items()
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form = PasteForm(
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{
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"filename": filename,
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"content": the_file.read().decode(),
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},
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instance=paste,
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)
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if not form.is_valid():
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return HttpResponse(json.dumps(form.errors, indent=4))
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form.save()
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location = request.build_absolute_uri(
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reverse("short_paste", kwargs={"slug": paste.slug})
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)
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return HttpResponseRedirect(
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location, content=location + "\n", content_type="text/plain"
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)
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def show(request, slug):
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"""Display paste."""
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paste = get_object_or_404(Paste, slug=slug)
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paste.incr_viewcount()
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if "html" in request.headers["accept"]:
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return HttpResponse(pygmentize(paste.filename, paste.content))
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else:
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return HttpResponse(paste.content, content_type="text/plain")
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@lru_cache(1024)
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def pygmentize(filename, filecontents):
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try:
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lexer = get_lexer_by_name(filename.split(".")[-1])
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except pygments.util.ClassNotFound:
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lexer = get_lexer_by_name(settings.PASTE["default_language"])
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formatter = HtmlFormatter(style="emacs")
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data = {}
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data["filename"] = filename
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data["highlighted"] = pygments.highlight(filecontents, lexer, formatter)
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return loader.render_to_string("paste/show-pygments.html", data)
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