QConf Python Doc

Build

• Build python extension

python setup.py build

which will generate the qconf_py library in build/lib.linux-x86_64-X.X as qconf_py.so

• modify setup.py if you has specified the install prefix of Qconf.

include_dirs : QCONF_INSTALL_PREFIX/include
extra_objects : QCONF_INSTALL_PREFIX/lib/libqconf.a

more information about python Setup Script.

API Doc

QConf access functions

---

get_conf

get_conf(path, idc)

Description

get configure value

Parameters

path - key of configuration.

idc - Optional，from which idc to get the value，get from local idc if omit

Return Value

value of the configuation, throw Exception qconf_py.Error if failed

Example

value = qconf.get_conf(key)

get_batch_keys

get_batch_keys(path, idc);

Description

get all children nodes'key

Parameters

path - key of configuration.

idc - Optional，from which idc to get the keys，get from local idc if omit

Return Value

python list of the node's keys, throw Exception qconf_py.Error if failed

Example

children_keys = qconf.get_batch_keys(key)

for item in children_keys:

// iterate python list

get_batch_conf

get_batch_conf(path, idc);

Description

get all children nodes' key and value

Parameters

path - key of configuration.

idc - Optional， from which idc to get the children configurations，get from local idc if omit

Return Value

python dictionary of the children configuration, throw Exception qconf_py.Error if failed

Example

children = qconf.get_batch_conf(key)

for k, v in children.iteritems():

//iterate dictionary

get_allhost

get_allhost(path, idc);

Description

get all available services under given path

Parameters

path - key of configuration. idc - Optional， from which idc to get the services，get from local idc if omit

Return Value

python list of all available services, throw Exception qconf_py.Error if failed

Example

hosts = qconf.get_allhost(key)

for item in hosts:

// iterate python list

get_host

get_host(path, idc);

Description

get one available service

Parameters

path - key of configuration.

idc - Optional，from which idc to get the host，get from local idc if omit

Return Value

available host, throw Exception qconf_py.Error if failed

Example

host = qconf.get_host(key)

---

Example

 try:
      #get conf value
      value = qconf.get_conf(key)
      if value is "":
          print "empty string"
      print "value : " + value

      #get one service host
      host = qconf.get_host(key)
      print "host : " + host

      #get all service hosts
      hosts = qconf.get_allhost(key)
      for h in hosts:
         print "one host: " + h

      #get batch confs
      children = qconf.get_batch_conf(key)
      for k, v in children.iteritems():
         print k + " => " + v

      #get batch keys
      children_keys = qconf.get_batch_keys(key)
      for h in children_keys:
         print "one key: " + h

  except qconf.Error, Argument:
      print "error happend in Basic Usage! ", Argument