from PLC.Config import Config
from PLC.Faults import *
import PLC.Methods
+import PLC.Accessors
+import PLC.Legacy
+
+def import_deep(name):
+ mod = __import__(name)
+ components = name.split('.')
+ for comp in components[1:]:
+ mod = getattr(mod, comp)
+ return mod
class PLCAPI:
- methods = PLC.Methods.methods
+ # flat list of method names
+ native_methods = PLC.Methods.native_methods
+
+ # other_methods_map : dict {methodname: fullpath}
+ # e.g. 'Accessors' -> 'PLC.Accessors.Accessors'
+ other_methods_map={}
+ for subdir in [ 'Accessors', 'Legacy']:
+ path="PLC."+subdir
+ # scan e.g. PLC.Accessors.__all__
+ pkg = __import__(path).__dict__[subdir]
+ for modulename in getattr(pkg,"__all__"):
+ fullpath=path+"."+modulename
+ for method in getattr(import_deep(fullpath),"methods"):
+ other_methods_map[method] = fullpath
+
+ all_methods = native_methods + other_methods_map.keys()
+
def __init__(self, config = "/etc/planetlab/plc_config", encoding = "utf-8"):
self.encoding = encoding
"""
# Look up method
- if method not in self.methods:
+ if method not in self.all_methods:
raise PLCInvalidAPIMethod, method
-
+
# Get new instance of method
try:
classname = method.split(".")[-1]
- module = __import__("PLC.Methods." + method, globals(), locals(), [classname])
- return getattr(module, classname)(self)
+ if method in self.native_methods:
+ module = __import__("PLC.Methods." + method, globals(), locals(), [classname])
+ return getattr(module, classname)(self)
+ else:
+ fullpath=self.other_methods_map[method]
+ module = __import__(fullpath, globals(), locals(), [classname])
+ return getattr(module, classname)(self)
except ImportError, AttributeError:
raise PLCInvalidAPIMethod, method