Onionr/onionr/onionrcommands/exportblocks.py

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'''
Onionr - Private P2P Communication
This file handles the command for exporting blocks to disk
'''
'''
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
import sys, os
import logger, onionrstorage
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from utils import createdirs
from onionrutils import stringvalidators
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import filepaths
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def doExport(bHash):
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createdirs.create_dirs()
data = onionrstorage.getData(bHash)
with open('%s/%s.dat' % (filepaths.export_location, bHash), 'wb') as exportFile:
exportFile.write(data)
logger.info('Block exported as file', terminal=True)
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def export_block():
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exportDir = filepaths.export_location
try:
if not stringvalidators.validate_hash(sys.argv[2]): raise ValueError
except (IndexError, ValueError):
logger.error('No valid block hash specified.', terminal=True)
sys.exit(1)
else:
bHash = sys.argv[2]
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doExport(bHash)
export_block.onionr_help = "<block hash>: Export an Onionr block to a file. Export directory is in the Onionr data directory under block-export/"