search_indexes.py
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# -*- coding: utf-8 -*-
import string
from django.template import loader, Context
from haystack import indexes
from haystack.utils import log as logging
from colab.search.base_indexes import BaseIndex
from .models import Attachment, Ticket, Wiki, Revision
logger = logging.getLogger('haystack')
# the string maketrans always return a string encoded with latin1
# http://stackoverflow.com/questions/1324067/how-do-i-get-str-translate-to-work-with-unicode-strings # noqa
table = string.maketrans(
string.punctuation,
'.' * len(string.punctuation)
).decode('latin1')
class AttachmentIndex(BaseIndex, indexes.Indexable):
title = indexes.CharField(model_attr='filename')
description = indexes.CharField(model_attr='description', null=True)
modified = indexes.DateTimeField(model_attr='created', null=True)
used_by = indexes.CharField(model_attr='used_by', null=True, stored=False)
mimetype = indexes.CharField(
model_attr='mimetype',
null=True,
stored=False
)
size = indexes.IntegerField(model_attr='size', null=True, stored=False)
filename = indexes.CharField(stored=False)
def get_model(self):
return Attachment
def get_updated_field(self):
return 'created'
def prepare(self, obj):
data = super(AttachmentIndex, self).prepare(obj)
try:
file_obj = open(obj.filepath)
except IOError as e:
logger.warning(u'IOError: %s - %s', e.strerror, e.filename)
return data
backend = self._get_backend(None)
extracted_data = backend.extract_file_contents(file_obj)
file_obj.close()
if not extracted_data:
return data
t = loader.select_template(
('search/indexes/proxy/attachment_text.txt', )
)
data['text'] = t.render(Context({
'object': obj,
'extracted': extracted_data,
}))
return data
def prepare_filename(self, obj):
return obj.filename.translate(table).replace('.', ' ')
def prepare_icon_name(self, obj):
return u'file'
def prepare_type(self, obj):
return u'attachment'
class WikiIndex(BaseIndex, indexes.Indexable):
title = indexes.CharField(model_attr='name')
collaborators = indexes.CharField(
model_attr='collaborators',
null=True,
stored=False,
)
def get_model(self):
return Wiki
def prepare_description(self, obj):
return u'{}\n{}'.format(obj.wiki_text, obj.collaborators)
def prepare_icon_name(self, obj):
return u'book'
def prepare_type(self, obj):
return u'wiki'
class TicketIndex(BaseIndex, indexes.Indexable):
tag = indexes.CharField(model_attr='status', null=True)
milestone = indexes.CharField(model_attr='milestone', null=True)
component = indexes.CharField(model_attr='component', null=True)
severity = indexes.CharField(model_attr='severity', null=True)
reporter = indexes.CharField(model_attr='reporter', null=True)
keywords = indexes.CharField(model_attr='keywords', null=True)
collaborators = indexes.CharField(
model_attr='collaborators',
null=True,
stored=False,
)
def get_model(self):
return Ticket
def prepare_description(self, obj):
return u'{}\n{}\n{}\n{}\n{}\n{}\n{}'.format(
obj.description, obj.milestone, obj.component, obj.severity,
obj.reporter, obj.keywords, obj.collaborators
)
def prepare_icon_name(self, obj):
return u'tag'
def prepare_title(self, obj):
return u'#{} - {}'.format(obj.pk, obj.summary)
def prepare_type(self, obj):
return 'ticket'
class RevisionIndex(BaseIndex, indexes.Indexable):
description = indexes.CharField(model_attr='message', null=True)
modified = indexes.DateTimeField(model_attr='created', null=True)
repository_name = indexes.CharField(
model_attr='repository_name',
stored=False
)
def get_model(self):
return Revision
def get_updated_field(self):
return 'created'
def get_boost(self, obj):
boost = super(RevisionIndex, self).get_boost(obj)
return boost * 0.8
def prepare_icon_name(self, obj):
return u'align-right'
def prepare_title(self, obj):
return u'{} [{}]'.format(obj.repository_name, obj.rev)
def prepare_type(self, obj):
return 'changeset'