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GaudiPython.Persistency.RootPersistency Class Reference
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Public Member Functions

def __init__
 
def configure
 
def formatInput
 
def formatOutput
 
- Public Member Functions inherited from GaudiPython.Persistency.PersistencyHelper
def __init__
 
def handle
 

Public Attributes

 configured
 
- Public Attributes inherited from GaudiPython.Persistency.PersistencyHelper
 types
 

Detailed Description

Implementation of PersistencyHelper based on Gaudi::RootCnvSvc.

Definition at line 91 of file Persistency.py.

Constructor & Destructor Documentation

def GaudiPython.Persistency.RootPersistency.__init__ (   self) 
Constructor.

Declare the type of supported persistencies to the base class.

Definition at line 95 of file Persistency.py.

95 
96  def __init__(self):
97  """
98  Constructor.
99 
100  Declare the type of supported persistencies to the base class.
101  """
102  super(RootPersistency, self).__init__(["ROOT", "POOL_ROOT",
103  "RootCnvSvc", "Gaudi::RootCnvSvc"])
104  self.configured = False

Member Function Documentation

def GaudiPython.Persistency.RootPersistency.configure (   self,
  appMgr 
) 
Basic configuration.

Definition at line 105 of file Persistency.py.

105 
106  def configure(self, appMgr):
107  """
108  Basic configuration.
109  """
110  if not self.configured:
111  # instantiate the required services
112  appMgr.service('Gaudi::RootCnvSvc/RootCnvSvc')
113  eps = appMgr.service ( 'EventPersistencySvc' )
114  eps.CnvServices += ['RootCnvSvc']
115  self.configured = True
def GaudiPython.Persistency.RootPersistency.formatInput (   self,
  filenames,
  kwargs 
) 
Translate a list of file names in a list of input descriptions.

The optional parameters 'collection', 'sel' and 'fun' should be used to
configure Event Tag Collection inputs.

@param filenames: the list of files

Definition at line 116 of file Persistency.py.

116 
117  def formatInput(self, filenames, **kwargs):
118  '''
119  Translate a list of file names in a list of input descriptions.
120 
121  The optional parameters 'collection', 'sel' and 'fun' should be used to
122  configure Event Tag Collection inputs.
123 
124  @param filenames: the list of files
125  '''
126  if not self.configured:
127  raise PersistencyError("Persistency not configured")
128  if type(filenames) is str:
129  filenames = [filenames]
130  fileargs = {}
131  # check if we are accessing a collection
132  fileargs = dict([(k, kwargs[k])
133  for k in ["collection", "sel", "fun"]
134  if k in kwargs])
135  if fileargs:
136  # is a collection
137  svc = 'Gaudi::RootCnvSvc'
138  else:
139  svc = 'Gaudi::RootEvtSelector'
140  return map(str,
141  [FileDescription(f, 'READ', svc, **fileargs)
142  for f in filenames])
gaudirun.type
string type
Definition: gaudirun.py:126
Containers::map
struct GAUDI_API map
Parametrisation class for map-like implementation.
Definition: KeyedObjectManager.h:26
def GaudiPython.Persistency.RootPersistency.formatOutput (   self,
  filename,
  kwargs 
) 
Translate a filename in an output description.

@param filenames: the list of files
@param lun: Logical Unit for Event Tag Collection outputs (optional)

Definition at line 143 of file Persistency.py.

143 
144  def formatOutput(self, filename, **kwargs):
145  '''
146  Translate a filename in an output description.
147 
148  @param filenames: the list of files
149  @param lun: Logical Unit for Event Tag Collection outputs (optional)
150  '''
151  if not self.configured:
152  raise PersistencyError("Persistency not configured")
153  retval = str(FileDescription(filename, 'RECREATE', 'Gaudi::RootCnvSvc'))
154  if 'lun' in kwargs:
155  retval = "%s %s" % (kwargs['lun'], retval)
156  return retval
157 
158 # Adding the know instances to the list of helpers
159 add(RootPersistency())

Member Data Documentation

GaudiPython.Persistency.RootPersistency.configured

Definition at line 103 of file Persistency.py.

The documentation for this class was generated from the following file: