$ ./pywallet.py --web
$ ./pywallet.py --web --port 9000

Then open http://localhost:8989 (or whatever port you provide)

$ ./pywallet.py --info --importprivkey 74ewjEuYHZ25q2hxJgvayKemxRxoEFwVdfejJuwjJMLN77YqPJH --namecoin
Address (Namecoin): NAZEg7S5EQH2Bbgt1rBBjeGgfiWhQbc2Cz
Privkey (Namecoin): 74ewjEuYHZ25q2hxJgvayKemxRxoEFwVdfejJuwjJMLN77YqPJH
Hexprivkey: e77c2a542500d9e69482a681b34be7686192f8a8fba3eb0a596d285d62eb778f

$ ./pywallet.py --info --importprivkey 5KaEZBZsyRrJpNVHAYedNeUWLVwTRe7xiRy8d8B7cGzCSrsQ5bN
Address (Namecoin): 1EysUTw6K2BTf4SNk2rcX87mwV7eQ2KUtA
Privkey (Namecoin): 5KaEZBZsyRrJpNVHAYedNeUWLVwTRe7xiRy8d8B7cGzCSrsQ5bN
Hexprivkey: e77c2a542500d9e69482a681b34be7686192f8a8fba3eb0a596d285d62eb778f

$ ./pywallet.py --importprivkey e77c2a542500d9e69482a681b34be7686192f8a8fba3eb0a596d285d62eb778f --importhex
                --datadir ~/encrypted_wallet/ --wallet jim1.wal --label 'key1'
Address: 1EysUTw6K2BTf4SNk2rcX87mwV7eQ2KUtA
Privkey: 5KaEZBZsyRrJpNVHAYedNeUWLVwTRe7xiRy8d8B7cGzCSrsQ5bN
Imported successfully

$ ./pywallet.py --importprivkey 5KaEZBZsyRrJpNVHAYedNeUWLVwTRe7xiRy8d8B7cGzCSrsQ5bN --datadir ~/ --reserve
Address: 1EysUTw6K2BTf4SNk2rcX87mwV7eQ2KUtA
Privkey: 5KaEZBZsyRrJpNVHAYedNeUWLVwTRe7xiRy8d8B7cGzCSrsQ5bN
Imported successfully

$ ./pywallet.py --balance 1EysUTw6K2BTf4SNk2rcX87mwV7eQ2KUtA
Never used
$ ./pywallet.py --balance 1EysUTw7mwV7eQ2KUtA
Invalid address
$ ./pywallet.py --balance 18YrV34bkv1t1rwLB56txURo94cHQ8m4ja
3.12

$ ./pywallet.py --dumpwallet
{
 ...
}