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https://github.com/bookwyrm-social/bookwyrm.git
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d828ba0bc6
If a theme is uploaded incorrectly or has errors in it, users can still select the theme but it will cause a 500 error on every page, making the app unusable and also making it impossible for them to switch to a functional theme. A better fix would be to fail gracefully, but in lieu of that, this will at least let admins confirm if a theme is broken safely.
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
""" manage themes """
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from django.contrib.auth.decorators import login_required, permission_required
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from django.shortcuts import get_object_or_404, redirect
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from django.template.response import TemplateResponse
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from django.utils.decorators import method_decorator
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from django.views import View
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from django.views.decorators.http import require_POST
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from sass_processor.processor import sass_processor
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from bookwyrm import forms, models
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# pylint: disable= no-self-use
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@method_decorator(login_required, name="dispatch")
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@method_decorator(
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permission_required("bookwyrm.system_administration", raise_exception=True),
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name="dispatch",
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)
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class Themes(View):
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"""manage things like the instance name"""
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def get(self, request):
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"""view existing themes and set defaults"""
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return TemplateResponse(request, "settings/themes.html", get_view_data())
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def post(self, request):
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"""edit the site settings"""
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form = forms.ThemeForm(request.POST)
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if form.is_valid():
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form.save(request)
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data = get_view_data()
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if not form.is_valid():
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data["theme_form"] = form
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else:
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data["success"] = True
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return TemplateResponse(request, "settings/themes.html", data)
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def get_view_data():
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"""data for view"""
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return {
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"broken_theme": models.Theme.objects.filter(loads=False).exists(),
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"themes": models.Theme.objects.all(),
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"theme_form": forms.ThemeForm(),
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}
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@require_POST
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@permission_required("bookwyrm.system_administration", raise_exception=True)
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# pylint: disable=unused-argument
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def delete_theme(request, theme_id):
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"""Remove a theme"""
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get_object_or_404(models.Theme, id=theme_id).delete()
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return redirect("settings-themes")
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@require_POST
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@permission_required("bookwyrm.system_administration", raise_exception=True)
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# pylint: disable=unused-argument
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def test_theme(request, theme_id):
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"""Remove a theme"""
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theme = get_object_or_404(models.Theme, id=theme_id)
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try:
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sass_processor(theme.path)
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theme.loads = True
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except Exception: # pylint: disable=broad-except
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theme.loads = False
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theme.save()
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return redirect("settings-themes")
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