Functions
def	todict (obj)

def	fromdict (obj)

def	dumps (obj, indent=2)

def	loads (text)

def	dump (filename, obj, indent=2)

def	load (filename)

Detailed Description

Functions to assist in persisting schema objects.

Function Documentation

def wirecell.util.wires.persist.dump	(	filename,
		obj,
		indent = `2`
	)

Save a response object (typically response.schema.FieldResponse)
to a file of the given name.

Definition at line 66 of file persist.py.

 def dump(filename, obj, indent=2):
     '''
     Save a response object (typically response.schema.FieldResponse)
     to a file of the given name.
     '''
     btext = dumps(obj, indent=indent).encode()
     if filename.endswith(".json"):
         open(filename, 'wb').write(btext)
         return
     if filename.endswith(".json.bz2"):
         import bz2
         bz2.BZ2File(filename, 'w').write(btext)
         return
     if filename.endswith(".json.gz"):
         import gzip
         gzip.open(filename, "wb").write(btext)
         return
     raise ValueError("unknown file format: %s" % filename)
 
 

def wirecell.util.wires.persist.dumps	(	obj,
		indent = `2`
	)

Dump object to JSON text.

Definition at line 52 of file persist.py.

 def dumps(obj, indent=2):
     '''
     Dump object to JSON text.
     '''
     return json.dumps(todict(obj), indent=indent)
 
 

def wirecell.util.wires.persist.fromdict ( obj )

Undo `todict()`.

Definition at line 35 of file persist.py.

 def fromdict(obj):
     '''
     Undo `todict()`.
     '''
     if isinstance(obj, dict):
 
         for typ in schema.classes():
             tname = typ.__name__
             if tname in obj:
                 return typ(**{k: fromdict(v) for k, v in obj[tname].items()})
 
     if isinstance(obj, list):
         return [fromdict(ele) for ele in obj]
 
     return obj
 
 

def wirecell.util.wires.persist.load ( filename )

Return response.schema object representation of the data in the
file of the given name.

Definition at line 86 of file persist.py.

 def load(filename):
     '''
     Return response.schema object representation of the data in the
     file of the given name.
     '''
     if filename.endswith(".json"):
         return loads(open(filename, 'r').read())
 
     if filename.endswith(".json.bz2"):
         import bz2
         return loads(bz2.BZ2File(filename, 'r').read())
 
     if filename.endswith(".json.gz"):
         import gzip
         return loads(gzip.open(filename, "rb").read())
 
     raise ValueError("unknown file format: %s" % filename)

def wirecell.util.wires.persist.loads ( text )

Load object from JSON text.

Definition at line 59 of file persist.py.

 def loads(text):
     '''
     Load object from JSON text.
     '''
     return fromdict(json.loads(text))
 
 

def wirecell.util.wires.persist.todict ( obj )

Return a dictionary for the object which is marked up for type.

Definition at line 17 of file persist.py.

 def todict(obj):
     '''
     Return a dictionary for the object which is marked up for type.
     '''
     for typename in [c.__name__ for c in schema.classes()]:
         if typename == type(obj).__name__:
             cname = obj.__class__.__name__
             return {cname: {k: todict(v) for k, v in obj._asdict().items()}}
     if isinstance(obj, numpy.ndarray):
         shape = list(obj.shape)
         elements = obj.flatten().tolist()
         return dict(array=dict(shape=shape, elements=elements))
     if isinstance(obj, list):
         return [todict(ele) for ele in obj]
 
     return obj
 
 