80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
import json
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from optparse import make_option
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from django.core.management.base import BaseCommand
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from django.core.serializers.json import DjangoJSONEncoder
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from cms.models import Page, CMSPlugin
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from django.core import serializers
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from pprint import pprint
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exclude_attrs = {'Page': ('parent', 'site', 'placeholders',
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'reverse_id', 'publisher_public'),
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'Placeholder': (),
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'CMSPlugin': ('placeholder', 'parent',),
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'Title': ('page', )
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}
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class Command(BaseCommand):
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help = 'Dumps CMS page and its content(if required)'
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args = 'output.json'
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option_list = BaseCommand.option_list + (
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make_option('--page', action='store', default=1),
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make_option('--output', action='store', default='dump.json')
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)
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def _serialize(self, data):
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obj_type = data._meta.object_name
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raw_data = serializers.serialize('python', [data])[0]
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raw_data.pop('pk')
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# remove useless key
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map(lambda attr: raw_data['fields'].pop(attr), exclude_attrs[obj_type])
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# return '%s(%s)' % (data.id, type(data))
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return json.dumps(raw_data, cls=DjangoJSONEncoder)
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def _get_object_descendants(self, obj, obj_dict={}, **options):
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"""
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returns the hierarchy
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"""
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obj_dump = self._serialize(obj)
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obj_dict[obj_dump] = []
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if isinstance(obj, Page):
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# its a CMS Page
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placeholders = obj.placeholders.all()
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if placeholders:
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for placeholder in placeholders:
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placeholder_dump = self._serialize(placeholder)
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plugins = placeholder.cmsplugin_set.filter(parent__isnull=True)
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if plugins:
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hierarchy = []
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for plugin in plugins:
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hierarchy.append(self._get_object_descendants(plugin, {}))
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obj_dict[obj_dump].append({placeholder_dump: hierarchy})
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else:
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obj_dict[obj_dump].append(placeholder_dump)
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# add related titles
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titles = obj.title_set.all()
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if titles:
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for title in titles:
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obj_dict[obj_dump].append(self._serialize(title))
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children = obj.get_children()
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if children:
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for child in children:
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descendants = self._get_object_descendants(child, {})
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child_dump = self._serialize(child)
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if descendants:
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obj_dict[obj_dump].append(descendants)
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else:
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obj_dict[obj_dump].append(child)
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return obj_dict
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def handle(self, *args, **options):
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page = Page.objects.get(pk=options['page'])
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with open(options.get('output'), 'w') as output:
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json.dump(self._get_object_descendants(page), output)
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