====== sqlite ====== compile from sources into a python virtualenv (or change PREFIX to /usr/local) with spellfix extension cd /tmp if [ ! -d sqlite ]; then [ -f sqlite.tar.gz ] || wget https://www.sqlite.org/src/tarball/sqlite.tar.gz tar zxf sqlite.tar.gz fi cd sqlite export CFLAGS="-DSQLITE_ENABLE_FTS3 \ -DSQLITE_ENABLE_FTS3_PARENTHESIS \ -DSQLITE_ENABLE_FTS4 \ -DSQLITE_ENABLE_FTS5 \ -DSQLITE_ENABLE_JSON1 \ -DSQLITE_ENABLE_LOAD_EXTENSION \ -DSQLITE_ENABLE_RTREE \ -DSQLITE_ENABLE_STAT4 \ -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT \ -DSQLITE_SOUNDEX \ -DSQLITE_TEMP_STORE=3 \ -DSQLITE_USE_URI \ -O2 \ -fPIC" export PREFIX="${VIRTUAL_ENV}" LIBS="-lm" ./configure --disable-tcl --enable-shared --enable-tempstore=always --prefix="$PREFIX" make -j4 && \ make install && \ gcc -shared -fPIC -Wall -O2 -I ./ ext/misc/spellfix.c -o ${PREFIX}/lib/spellfix.so echo "Add 'export LD_LIBRARY_PATH=${VIRTUAL_ENV}/lib:$LD_LIBRARY_PATH' to your environment" import sqlite3 db = sqlite3.connect(':memory:') db.enable_load_extension(True) db.load_extension('spellfix') # for Linux db.enable_load_extension(False) c = db.cursor() c.execute('CREATE TABLE mytable (id integer, description text)') c.execute('INSERT INTO mytable VALUES (1, "hello world, guys")') c.execute('INSERT INTO mytable VALUES (2, "hello there everybody")') c.execute('SELECT * FROM mytable WHERE editdist3(description, "hel o wrold guy") < 600') print(c.fetchall())