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# Copyright (C) 2017-2018 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import ick2
class BlobStore:
def __init__(self):
self._blobdir = None
def get_blob_directory(self):
return self._blobdir
def set_blob_directory(self, dirname):
self._blobdir = dirname
if not os.path.exists(self._blobdir):
os.makedirs(self._blobdir)
def store_blob(self, name, blob):
filename = self.blob_filename(name)
ick2.log.log(
'trace', msg_text='store_blob', name=name, filename=filename)
with open(filename, 'wb') as f:
f.write(blob)
def store_blob_from_reader(self, name, func):
max_size = 1024**2
filename = self.blob_filename(name)
ick2.log.log(
'trace', msg_text='store_blob', name=name, filename=filename)
with open(filename, 'wb') as f:
for data in func(max_size):
f.write(data)
def get_blob(self, name):
filename = self.blob_filename(name)
ick2.log.log(
'trace', msg_text='get_blob', name=name, filename=filename)
with open(filename, 'rb') as f:
return f.read()
def blob_filename(self, name):
return os.path.abspath(os.path.join(self._blobdir, name))
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