Now first check if the database already exists and if exist continue working on the existing one.

bao_database.py

@@ -3,6 +3,7 @@
 import sqlite3
 import hashlib
 import settings
+import os
 
 def md5sum( path ):
 	f = open( path, "rb" )
@@ -11,10 +12,14 @@ def md5sum( path ):
 	return out.hexdigest()
 
 def db_init( db_file, analysis_directory ):
-	db_con = sqlite3.connect( db_file )
-	db_cur = db_con.cursor()
-	db_cur.execute( "CREATE TABLE library ( md5, path )" )
-	db_con.close()
+	if os.path.exists( db_file ):
+		if settings.verbosity_level_numeric > 0:
+			print( "[database]\tThe database already exists. Continuing the work on the existing database." )
+	else:
+		db_con = sqlite3.connect( db_file )
+		db_cur = db_con.cursor()
+		db_cur.execute( "CREATE TABLE library ( md5, path )" )
+		db_con.close()
 
 def add_book( db_file, path ):
 	db_con = sqlite3.connect( db_file )
@@ -27,7 +32,7 @@ def add_book( db_file, path ):
 	if len( query_results ) > 0:
 		if settings.verbosity_level_numeric > 0:
 			print( "[database]\tOne file with the same md5 of {} are already present in the database, this probably means"
-				" that you have a duplicate file in your library.".format( path ))
+				" that you have a duplicate file in your library, or that you have already analyzed this book.".format( path ))
 		db_con.close()
 		return False
 	else:

main.py

@@ -62,7 +62,6 @@ if not os.path.exists( args.tmp_directory[0] ):
 for path, subdirs, files in os.walk( args.directory[0] ):
 	for name in files:
 		if fnmatch(name, args.pattern[0]):
-			print os.path.join( path, name )
 			total_files += 1 #Statistics
 			if not add_book( db_file_path, os.path.join( path, name ) ) :
 				break