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
from onionrutils import stringvalidators
def doExport(o_inst, bHash):
exportDir = o_inst.dataDir + 'block-export/'
if not os.path.exists(exportDir):
if os.path.exists(o_inst.dataDir):
os.mkdir(exportDir)
else:
logger.error('Onionr Not initialized', terminal=True)
data = onionrstorage.getData(o_inst.onionrCore, bHash)
with open('%s/%s.dat' % (exportDir, bHash), 'wb') as exportFile:
exportFile.write(data)
logger.info('Block exported as file', terminal=True)
def export_block(o_inst):
exportDir = o_inst.dataDir + 'block-export/'
try:
assert stringvalidators.validate_hash(sys.argv[2])
except (IndexError, AssertionError):
logger.error('No valid block hash specified.', terminal=True)
sys.exit(1)
else:
bHash = sys.argv[2]
doExport(o_inst, bHash)