Is there any good methods to read a encrypted password file?

[zelzel.zsu]

Is there any good methods to read a encrypted password file?

hi, all:
I've a zipped file with a password .
currently i use it by this method:
$ unzip -p secret.zip | python my-pexpect.py

but i want to remove the unzip -p secret.zip process.
that is :
$ python my-pexpect.py [whe python prgram will ask for a password
for secret.zip]

how can i do this?

thanks.