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#!/usr/bin/python3
# Copyright (C) 2020 J.F.Dockes
#
# License: GPL 2.1
#
# 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 2.1 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, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import sys
import hashlib
import base64
import xapian
import rclconfig
# The following 2 methods replicate the file UDI computation in fileudi.cpp:
# process a file path so that it is usable (short enough) for use as a Xapian
# term. We truncate and replace the truncated part by its md5 hash.
def pathHash(path, maxlen):
HASHLEN = 22
if len(path) <= maxlen:
return path
digest = hashlib.md5(path[maxlen - HASHLEN :]).digest()
adigest = base64.b64encode(digest)
adigest = adigest[:-2]
return path[: maxlen - HASHLEN] + adigest
def make_udi(path, ipath=b""):
PATHHASHLEN = 150
path += b"|"
path += ipath
return pathHash(path, PATHHASHLEN)
# Return xapian posting list contents as Python list
def get_postlist(xdb, term):
ret = list()
for posting in xdb.postlist(term):
ret.append(posting.docid)
return ret
if __name__ == "__main__":
if len(sys.argv) != 1:
print("Usage: rclnotindexed", file=sys.stderr)
print(" reads paths on stdin", file=sys.stderr)
sys.exit(1)
config = rclconfig.RclConfig()
dbdir = config.getDbDir()
xdb = xapian.Database(dbdir)
for line in sys.stdin.buffer:
path = line.rstrip(b"\n")
udi = make_udi(path)
term = b"Q" + udi
postlist = get_postlist(xdb, term)
if len(postlist) == 0:
sys.stdout.buffer.write(path + b"\n")
elif len(postlist) > 1:
sys.stdout.buffer.write("!! Multiple document entries for: " + path + b"\n")
sys.exit(1)
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