python - PyYAML Basic config file writeback -


i'm new python, , i'm looking basic things pyyaml. want take yaml file:

#lets test out logfile config --- filepath: c:\users\me\documents\python\yaml_test1\  filename: logfile_ log_no: 1

now i'm shooting way control path logfile, root name of log, , number log we're on appended filename (to rollover new log when hit kb file size). 

import yaml import os  rootdir = os.getcwd() c_filename = rootdir + "\\config.yml" c_filein = open(c_filename,'r+') conf = yaml.load(c_filein) = conf['log_no'] += 1 print conf['log_no'] = print yaml.dump(conf['log_no']) yaml.dump(conf,c_filein) c_filein.close()

my problem dumping file dumps full (though updated) yaml file, @ end of config. suggestions?

ninja edit: i'm open , suggestions, it's use other yaml. reading , wanted give shot.

so i'm going close since have found configparser module looking rotating logfile


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