#!/usr/bin/env python
#
# Code for dumping the bitcoin Berkeley db files in a human-readable format
#
from bsddb.db import *
import logging
import sys

from address import dump_addresses
from wallet import dump_wallet
from blkindex import dump_blkindex_summary
from transaction import dump_transaction
from block import dump_block

def determine_db_dir():
  import os
  import os.path
  import platform
  if platform.system() == "Darwin":
    return os.path.expanduser("~/Library/Application Support/Bitcoin/")
  elif platform.system() == "Windows":
    return os.path.join(os.environ['APPDATA'], "Bitcoin")
  return os.path.expanduser("~/.bitcoin")

def main():
  import optparse
  parser = optparse.OptionParser(usage="%prog [options]")
  parser.add_option("--wallet", action="store_true", dest="dump_wallet", default=False,
                    help="Print out contents of the wallet.dat file")
  parser.add_option("--blkindex", action="store_true", dest="dump_blkindex", default=False,
                    help="Print out summary of blkindex.dat file")
  parser.add_option("--wallet-tx", action="store_true", dest="dump_wallet_tx", default=False,
                    help="Print transactions in the wallet.dat file")
  parser.add_option("--address", action="store_true", dest="dump_addr", default=False,
                    help="Print addresses in the addr.dat file")
  parser.add_option("--transaction", action="store", dest="dump_transaction", default=None,
                    help="Dump a single transaction, given hex transaction id (or abbreviated id)")
  parser.add_option("--block", action="store", dest="dump_block", default=None,
                    help="Dump a single block, given its hex hash (or abbreviated hex hash)")
  (options, args) = parser.parse_args()

  db_dir = determine_db_dir()

  db_env = DBEnv(0)
  r = db_env.open(db_dir,
                  (DB_CREATE|DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|
                   DB_INIT_TXN|DB_THREAD|DB_PRIVATE|DB_RECOVER))

  if r is not None:
    logging.error("Couldn't open "+DB_DIR)
    sys.exit(1)

  if options.dump_wallet or options.dump_wallet_tx:
    dump_wallet(db_env, options.dump_wallet, options.dump_wallet_tx)

  if options.dump_addr:
    dump_addresses(db_env)

  if options.dump_blkindex:
    dump_blkindex_summary(db_env)

  if options.dump_transaction is not None:
    dump_transaction(db_dir, db_env, options.dump_transaction)

  if options.dump_block is not None:
    dump_block(db_dir, db_env, options.dump_block)

  db_env.close()

if __name__ == '__main__':
    main()

#!/usr/bin/env python
#
# Code for dumping the bitcoin Berkeley db files in a human-readable format
#
from bsddb.db import *
import logging
import sys

from address import dump_addresses
from wallet import dump_wallet
from blkindex import dump_blkindex_summary
from transaction import dump_transaction
from block import dump_block

def determine_db_dir():
  import os
  import os.path
  import platform
  if platform.system() == "Darwin":
    return os.path.expanduser("~/Library/Application Support/Bitcoin/")
  elif platform.system() == "Windows":
    return os.path.join(os.environ['APPDATA'], "Bitcoin")
  return os.path.expanduser("~/.bitcoin")

def main():
  import optparse
  parser = optparse.OptionParser(usage="%prog [options]")
  parser.add_option("--datadir", dest="datadir", default=None,
                    help="Look for files here (defaults to bitcoin default)")
  parser.add_option("--wallet", action="store_true", dest="dump_wallet", default=False,
                    help="Print out contents of the wallet.dat file")
  parser.add_option("--blkindex", action="store_true", dest="dump_blkindex", default=False,
                    help="Print out summary of blkindex.dat file")
  parser.add_option("--wallet-tx", action="store_true", dest="dump_wallet_tx", default=False,
                    help="Print transactions in the wallet.dat file")
  parser.add_option("--address", action="store_true", dest="dump_addr", default=False,
                    help="Print addresses in the addr.dat file")
  parser.add_option("--transaction", action="store", dest="dump_transaction", default=None,
                    help="Dump a single transaction, given hex transaction id (or abbreviated id)")
  parser.add_option("--block", action="store", dest="dump_block", default=None,
                    help="Dump a single block, given its hex hash (or abbreviated hex hash)")
  (options, args) = parser.parse_args()

  if options.datadir is None:
    db_dir = determine_db_dir()
  else:
    db_dir = options.datadir

  db_env = DBEnv(0)
  r = db_env.open(db_dir,
                  (DB_CREATE|DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|
                   DB_INIT_TXN|DB_THREAD|DB_PRIVATE|DB_RECOVER))

  if r is not None:
    logging.error("Couldn't open "+DB_DIR)
    sys.exit(1)

  if options.dump_wallet or options.dump_wallet_tx:
    dump_wallet(db_env, options.dump_wallet, options.dump_wallet_tx)

  if options.dump_addr:
    dump_addresses(db_env)

  if options.dump_blkindex:
    dump_blkindex_summary(db_env)

  if options.dump_transaction is not None:
    dump_transaction(db_dir, db_env, options.dump_transaction)

  if options.dump_block is not None:
    dump_block(db_dir, db_env, options.dump_block)

  db_env.close()

if __name__ == '__main__':
    main()

Add --datadir option; no other changes seem to be needed to make it work with TEST network files...