import re
pattern = '^Hostname=([a-zA-Z0-9.]+)'
hand = open('python_test_data.conf')
for line in hand:
    line = line.rstrip()
    if re.search(pattern, line) :
        print line

### Option: Hostname
#       Unique, case sensitive Proxy name. Make sure the Proxy name is known to the server!
#       Value is acquired from HostnameItem if undefined.
#
# Mandatory: no
# Default:
# Hostname=

Hostname=bbg-zbx-proxy

ubuntu-workstation:~$ python python_test.py
Hostname=bbg-zbx-proxy