listing19-2.py

《Beginning Python--From Novice to Professional》 的源码

from ConfigParser import ConfigParser

CONFIGFILE = "python.txt"

config = ConfigParser()
# Read the configuration file:
config.read(CONFIGFILE)

# Print out an initial greeting;
# 'messages' is the section to look in:
print config.get('messages', 'greeting')

# Read in the radius, using a question from the config file:
radius = input(config.get('messages', 'question') + ' ')

# Print a result message from the config file;
# end with a comma to stay on same line:
print config.get('messages', 'result_message'),

# getfloat() converts the config value to a float:
print config.getfloat('numbers', 'pi') * radius**2