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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2009-2020 Authors of CryptoMiniSat, see AUTHORS file
#
# 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; version 2
# of the License.
#
# 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.
from __future__ import print_function
import sqlite3
import argparse
import os
import struct
import time
class Query:
def __init__(self, dbfname):
self.conn = sqlite3.connect(dbfname)
self.c = self.conn.cursor()
self.cl_used = []
self.cl_used_num = 0
self.cl_used_total = 0
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
self.conn.commit()
self.conn.close()
def delete_tbls(self, table):
queries = """
DROP TABLE IF EXISTS `{table}`;
create table `{table}` ( `clauseID` bigint(20) NOT NULL, `used_at` bigint(20) NOT NULL, `weight` float NOT NULL);
""".format(table=table)
for l in queries.split('\n'):
t2 = time.time()
if options.verbose:
print("Runnin query: ", l)
self.c.execute(l)
if options.verbose:
print("Query T: %-3.2f s" % (time.time() - t2))
def get_last_good(self, basefname):
last_good = -1
for i in range(100):
tfname = "%s-%d" % (basefname, i)
print("Checking if file %s exists" % tfname)
if os.path.isfile(tfname):
last_good = i
if last_good == -1:
print("ERROR: file does not exist at all")
exit(-1)
return last_good
def add_used_clauses(self, usedClFname):
last_good = self.get_last_good(usedClFname)
tfname = "%s-%d" % (usedClFname, last_good)
tfname_anc = tfname.replace("usedCls", "usedCls-anc")
for fname,table in [(tfname, "used_clauses"), (tfname_anc, "used_clauses_anc")]:
t = time.time()
print("Adding data from file %s to DB %s" % (fname, table))
self.cl_used = []
self.cl_used_num = 0
self.cl_used_total = 0
with open(fname, "rb") as f:
while True:
b1 = f.read(8)
if not b1:
# end of file
break
b2 = f.read(8)
cl_id = struct.unpack("<q", b1)[0]
conf = struct.unpack("<q", b2)[0]
weight = 1.0
if "used_clauses_anc" in table:
b3 = f.read(4)
weight = struct.unpack("<f", b3)[0]
dat = (cl_id, conf, weight)
if options.verbose:
print("Use:", dat)
self.cl_used.append(dat)
self.cl_used_num += 1
self.cl_used_total += 1
if self.cl_used_num > 10000:
self.dump_used_clauses(table)
self.dump_used_clauses(table)
print("Added use data to table %s from file %s: %d time: T: %-3.2f s" %
(table, fname, self.cl_used_total, time.time() - t))
def dump_used_clauses(self, table):
self.c.executemany("""
INSERT INTO %s (
`clauseID`,
`used_at`,
`weight`)
VALUES (?, ?, ?);""" % table, self.cl_used)
self.cl_used = []
self.cl_used_num = 0
if __name__ == "__main__":
usage = """usage: %(prog)s [options] sqlite_db usedCls
Adds used_clauses to the SQLite database"""
parser = argparse.ArgumentParser(usage=usage)
parser.add_argument("sqlitedb", type=str, metavar='USEDCLS')
parser.add_argument("usedcls", type=str, metavar='USEDCLS')
parser.add_argument("--verbose", "-v", action="store_true", default=False,
dest="verbose", help="Print more output")
options = parser.parse_args()
if options.sqlitedb is None:
print("Error you must give an SQLite DB. Please follow usage.")
print(usage)
exit(-1)
if options.usedcls is None:
print("Error you must give an Used CLS list. Please follow usage.")
print(usage)
exit(-1)
print("Using sqlite3db file %s" % options.sqlitedb)
print("Base used_clauses file is %s" % options.usedcls)
with Query(options.sqlitedb) as q:
q.delete_tbls("used_clauses")
q.delete_tbls("used_clauses_anc")
q.add_used_clauses(options.usedcls)
print("Finished adding good lemma indicators to db %s" % options.sqlitedb)
exit(0)
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