71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# hobo - rapid remote deployment
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# Copyright (C) 2015 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import shutil
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import time
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import haystack.backends.whoosh_backend
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from django.conf import settings
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from django.db import connection
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from tenant_schemas.postgresql_backend.base import FakeTenant
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class WhooshSearchBackend(haystack.backends.whoosh_backend.WhooshSearchBackend):
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@property
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def use_file_storage(self):
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tenant = connection.get_tenant()
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return not (isinstance(connection.tenant, FakeTenant))
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@use_file_storage.setter
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def use_file_storage(self, value):
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pass
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def delete_index(self):
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renamed_path = None
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if os.path.exists(self.path):
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# rename existing path instead of removing, so it works on NFS
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# when there are opened files.
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renamed_path = self.path + '.deleted-%s' % time.time()
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os.rename(self.path, renamed_path)
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super().delete_index()
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if renamed_path:
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# remove afterwards and ignore errors (residual directories will
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# have to be cleaned manually)
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try:
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shutil.rmtree(renamed_path)
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except OSError:
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pass
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@property
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def path(self):
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tenant = connection.get_tenant()
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return os.path.join(tenant.get_directory(), 'whoosh_index')
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@path.setter
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def path(self, value):
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pass
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def setup(self):
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super().setup()
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# make it be always reinitialized
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self.setup_complete = False
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class WhooshEngine(haystack.backends.whoosh_backend.WhooshEngine):
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backend = WhooshSearchBackend
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