56 lines
1.6 KiB
Python
Executable File
56 lines
1.6 KiB
Python
Executable File
import inspect
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from django.urls import reverse
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from wagtail.core.models import Page
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def image_url(image, filter_spec):
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"""
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Return an url for the given image -- shortcut function for
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wagtailimages' serve.
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"""
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from wagtail.images.views.serve import generate_signature
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signature = generate_signature(image.id, filter_spec)
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url = reverse('wagtailimages_serve', args=(signature, image.id, filter_spec))
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url += image.file.name[len('original_images/'):]
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return url
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def get_station_settings(station):
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"""
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Get WebsiteSettings for the given station.
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"""
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import aircox_cms.models as models
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return models.WebsiteSettings.objects \
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.filter(station = station).first()
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def get_station_site(station):
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"""
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Get the site of the given station.
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"""
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settings = get_station_settings(station)
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return settings and settings.site
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def related_pages_filter(reset_cache=False):
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"""
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Return a dict that can be used to filter foreignkey to pages'
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subtype declared in aircox_cms.models.
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This value is stored in cache, but it is possible to reset the
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cache using the `reset_cache` parameter.
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"""
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import aircox_cms.models as cms
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if not reset_cache and hasattr(related_pages_filter, 'cache'):
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return related_pages_filter.cache
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related_pages_filter.cache = {
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'model__in': list(name.lower() for name, member in
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inspect.getmembers(cms,
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lambda x: inspect.isclass(x) and issubclass(x, Page)
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)
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if member != Page
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),
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}
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return related_pages_filter.cache
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