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################################################################# |
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# MET v2 Metadate Explorer Tool |
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# |
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# This Software is Open Source. See License: https://github.com/TERENA/met/blob/master/LICENSE.md |
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# Copyright (c) 2012, TERENA All rights reserved. |
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# |
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# This Software is based on MET v1 developed for TERENA by Yaco Sistemas, http://www.yaco.es/ |
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# MET v2 was developed for TERENA by Tamim Ziai, DAASI International GmbH, http://www.daasi.de |
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# Current version of MET has been revised for performance improvements by Andrea Biancini, |
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# Consortium GARR, http://www.garr.it |
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######################################################################################### |
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from django import template |
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from django.template.base import Node, TemplateSyntaxError |
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from django.template.defaultfilters import stringfilter |
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from django.utils.safestring import mark_safe, SafeData |
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from met.metadataparser.models import Federation |
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from met.metadataparser.xmlparser import DESCRIPTOR_TYPES, DESCRIPTOR_TYPES_DISPLAY |
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from met.metadataparser.query_export import export_modes |
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from met.metadataparser.summary_export import export_summary_modes |
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from urllib import urlencode |
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register = template.Library() |
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class AddGetParameter(Node): |
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def __init__(self, values): |
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self.values = values |
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def render(self, context): |
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req = template.resolve_variable('request', context) |
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params = req.GET.copy() |
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for key, value in self.values.items(): |
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params[key] = value.resolve(context) |
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return '?%s' % params.urlencode() |
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@register.tag() |
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def add_get(parser, token): |
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pairs = token.split_contents()[1:] |
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values = {} |
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for pair in pairs: |
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s = pair.split('=', 1) |
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values[s[0]] = parser.compile_filter(s[1]) |
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return AddGetParameter(values) |
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@register.inclusion_tag('metadataparser/bootstrap_form.html') |
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def bootstrap_form(form, cancel_link='..', delete_link=True): |
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return {'form': form, |
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'cancel_link': cancel_link, |
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'delete_link': delete_link} |
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@register.inclusion_tag('metadataparser/bootstrap_searchform.html') |
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def bootstrap_searchform(form): |
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return {'form': form} |
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@register.inclusion_tag('metadataparser/federations_summary_tag.html', takes_context=True) |
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def federations_summary(context, queryname, counts, federations=None): |
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if not federations: |
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federations = Federation.objects.all() |
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user = context.get('user', None) |
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add_federation = user and user.has_perm('metadataparser.add_federation') |
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return {'federations': federations, |
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'add_federation': add_federation, |
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'queryname': queryname, |
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'counts': counts, |
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'entity_types': DESCRIPTOR_TYPES} |
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@register.inclusion_tag('metadataparser/tag_entity_list.html', takes_context=True) |
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def entity_list(context, entities, categories=None, pagination=None, curfed=None, show_total=True, append_query=None, onclick_page=None, onclick_export=None): |
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request = context.get('request', None) |
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lang = 'en' |
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if request: |
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lang = request.GET.get('lang', 'en') |
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return {'request': request, |
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'entities': entities, |
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'categories': categories, |
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'curfed' : curfed, |
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'show_filters': context.get('show_filters'), |
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'append_query': append_query, |
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'show_total': show_total, |
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'lang': lang, |
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'pagination': pagination, |
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'onclick_page': onclick_page, |
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'onclick_export': onclick_export, |
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'entity_types': DESCRIPTOR_TYPES} |
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@register.inclusion_tag('metadataparser/tag_entity_filters.html', takes_context=True) |
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def entity_filters(context, entities, categories): |
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entity_types = ('All', ) + DESCRIPTOR_TYPES |
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request = context.get('request') |
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entity_type = request.GET.get('entity_type', '') |
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entity_category = request.GET.get('entity_category', '') |
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rquery = request.GET.copy() |
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for filt in 'entity_type', 'entity_category', 'page': |
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if filt in rquery: |
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rquery.pop(filt) |
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if not entity_type: |
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entity_type = 'All' |
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if not entity_category: |
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entity_category = 'All' |
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query = urlencode(rquery) |
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filter_base_path = request.path |
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return {'filter_base_path': filter_base_path, |
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'otherparams': query, |
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'entity_types': entity_types, |
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'entity_type': entity_type, |
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'entity_category': entity_category, |
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'entities': entities, |
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'categories': categories } |
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@register.simple_tag() |
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def entity_filter_url(base_path, filt, otherparams=None): |
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url = base_path |
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if filt != 'All': |
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url += '?entity_type=%s' % filt |
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if otherparams: |
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url += '&%s' % otherparams |
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elif otherparams: |
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url += '?%s' % otherparams |
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return url |
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@register.simple_tag() |
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def entitycategory_filter_url(base_path, filt, otherparams=None): |
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url = base_path |
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if filt != 'All': |
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url += '?entity_category=%s' % filt |
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if otherparams: |
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url += '&%s' % otherparams |
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elif otherparams: |
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url += '?%s' % otherparams |
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return url |
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@register.inclusion_tag('metadataparser/export-menu.html', takes_context=True) |
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def export_menu(context, entities, append_query=None, onclick=None): |
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request = context.get('request') |
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copy_query = request.GET.copy() |
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if 'page' in copy_query: |
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copy_query.pop('page') |
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query = copy_query.urlencode() |
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base_path = request.path |
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formats = [] |
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for mode in export_modes.keys(): |
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url = base_path |
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if query: |
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url += '?%s&format=%s' % (query, mode) |
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else: |
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url += '?format=%s' % (mode) |
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if append_query: |
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url += "&%s" % (append_query) |
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formats.append({'url': url, 'label': mode, 'onclick': onclick}) |
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return {'formats': formats} |
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@register.inclusion_tag('metadataparser/export-menu.html') |
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def export_summary_menu(query, onclick=None): |
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formats = [] |
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for mode in export_summary_modes.keys(): |
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urlquery = {'format': mode, |
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'export': query} |
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url = "./?%(query)s" % {'query': urlencode(urlquery)} |
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formats.append({'url': url, 'label': mode, 'onclick': onclick}) |
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return {'formats': formats} |
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@register.simple_tag() |
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def entities_count(entity_qs, entity_type=None): |
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if entity_type and entity_type != 'All': |
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return entity_qs.filter(types__xmlname=entity_type).count() |
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else: |
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return entity_qs.count() |
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@register.simple_tag() |
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def get_fed_total(totals, entity_type='All'): |
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tot_count = 0 |
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for curtotal in totals: |
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if entity_type == 'All' or curtotal['types__xmlname'] == entity_type: |
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tot_count += curtotal['types__xmlname__count'] |
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return tot_count |
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@register.simple_tag() |
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def get_fed_count(counts, federation='All', entity_type='All'): |
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count = counts[entity_type] |
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fed_count = 0 |
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for curcount in count: |
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if federation == 'All' or curcount['federations__id'] == federation: |
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fed_count += curcount['federations__id__count'] |
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return fed_count |
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@register.simple_tag(takes_context=True) |
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def l10n_property(context, prop, lang): |
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if isinstance(prop, dict) and len(prop) > 0: |
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if not lang: |
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lang = context.get('LANGUAGE_CODE', None) |
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if lang and lang in prop: |
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return prop.get(lang) |
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else: |
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return prop[prop.keys()[0]] |
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return prop |
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@register.simple_tag(takes_context=True) |
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def organization_property(context, organizations, prop, lang): |
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if not isinstance(organizations, list): |
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return prop |
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lang = lang or context.get('LANGUAGE_CODE', None) |
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for organization in organizations: |
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if prop in organization: |
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val = organization[prop] |
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if organization['lang'] == lang: |
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val = organization[prop] |
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return val |
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@register.simple_tag() |
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def get_property(obj, prop=None): |
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uprop = unicode(prop) |
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if not uprop: |
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return '<a href="%(link)s">%(name)s</a>' % {"link": obj.get_absolute_url(), |
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"name": unicode(obj), |
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} |
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if isinstance(obj, dict): |
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return obj.get(prop, None) |
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if getattr(getattr(obj, uprop, None), 'all', None): |
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return '. '.join(['<a href="%(link)s">%(name)s</a>' % {"link": item.get_absolute_url(), |
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"name": unicode(item)} |
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for item in getattr(obj, uprop).all()]) |
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if isinstance(getattr(obj, uprop, ''), list): |
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return ', '.join(getattr(obj, uprop, [])) |
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return getattr(obj, uprop, '') |
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@register.simple_tag(takes_context=True) |
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def active_url(context, pattern): |
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request = context.get('request') |
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if request.path == pattern: |
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return 'active' |
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return '' |
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@register.filter(name='display_etype') |
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def display_etype(value, separator=', '): |
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if isinstance(value, list): |
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return separator.join(value) |
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elif hasattr(value, 'all'): |
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return separator.join([unicode(item) for item in value.all()]) |
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else: |
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if value in DESCRIPTOR_TYPES_DISPLAY: |
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return DESCRIPTOR_TYPES_DISPLAY.get(value) |
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else: |
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return value |
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@register.filter(name='mailto') |
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def mailto(value): |
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if value.startswith('mailto:'): |
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return value |
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else: |
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return 'mailto:%s' % value |
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@register.filter(name='wrap') |
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def wrap(value, length): |
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value = unicode(value) |
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if len(value) > length: |
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return "%s..." % value[:length] |
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return value |
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class CanEdit(Node): |
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child_nodelists = 'nodelist' |
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def __init__(self, obj, nodelist): |
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self.obj = obj |
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self.nodelist = nodelist |
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@classmethod |
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def __repr__(cls): |
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return "<CanEdit>" |
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def render(self, context): |
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obj = self.obj.resolve(context, True) |
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user = context.get('user') |
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if obj.can_edit(user, False): |
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return self.nodelist.render(context) |
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else: |
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return '' |
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def do_canedit(parser, token): |
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bits = list(token.split_contents()) |
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if len(bits) != 2: |
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raise TemplateSyntaxError("%r takes 1 argument" % bits[0]) |
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end_tag = 'end' + bits[0] |
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nodelist = parser.parse((end_tag,)) |
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obj = parser.compile_filter(bits[1]) |
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token = parser.next_token() |
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return CanEdit(obj, nodelist) |
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@register.tag |
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def canedit(parser, token): |
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""" |
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Outputs the contents of the block if user has edit pemission |
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Examples:: |
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{% canedit obj %} |
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... |
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{% endcanedit %} |
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""" |
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return do_canedit(parser, token) |
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@register.filter |
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@stringfilter |
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def split(value, splitter='|'): |
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if not isinstance(value, SafeData): |
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value = mark_safe(value) |
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return value.split(splitter) |
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