python.LumiDBHandler.LumiDBHandler Class Reference

Collaboration diagram for python.LumiDBHandler.LumiDBHandler:

Public Member Functions
	__init__ (self)
	getFolder (self, dbstring, folder, force=False)
	openDB (self, dbstring, oracle=False, debug=False, force=False)
	closeDB (self, dbstring)
	closeAllDB (self)
	closeAll (self)

Public Attributes
bool	verbose = False

Static Public Attributes
	dbDict = dict()

Detailed Description

Definition at line 28 of file LumiDBHandler.py.

Constructor & Destructor Documentation

__init__()

python.LumiDBHandler.LumiDBHandler.__init__

(

self

)

Definition at line 38 of file LumiDBHandler.py.

    def __init__(self):
 
        # Debug output (can be changed for each instance, slick...)
        self.verbose = False
        

Member Function Documentation

closeAll()

python.LumiDBHandler.LumiDBHandler.closeAll

(

self

)

Definition at line 112 of file LumiDBHandler.py.

    def closeAll(self):
        
        if self.verbose:
            print('LumiDBHandler.closeAllDB called')
 
        # Can't use iterkeys here as we are deleting the elements
        for dbstring in list(self.__class__.dbDict.keys()):
            self.closeDB(dbstring)
            

closeAllDB()

python.LumiDBHandler.LumiDBHandler.closeAllDB

(

self

)

Definition at line 109 of file LumiDBHandler.py.

    def closeAllDB(self):
        self.closeAll()
        

closeDB()

python.LumiDBHandler.LumiDBHandler.closeDB	(		self,
			dbstring )

Definition at line 94 of file LumiDBHandler.py.

    def closeDB(self, dbstring):
 
        if self.verbose:
            print('LumiDBHandler.closeDB - Closing connection to', dbstring)
 
        if dbstring not in self.__class__.dbDict:
            print("LumiDBHandler.closeDB - DB doesn't exist:", dbstring)
        else:
            try:
                self.__class__.dbDict[dbstring].closeDatabase()
            except Exception as e:
                print(e)
            self.__class__.dbDict.pop(dbstring)
 

getFolder()

python.LumiDBHandler.LumiDBHandler.getFolder	(		self,
			dbstring,
			folder,
			force = False )

Definition at line 46 of file LumiDBHandler.py.

    def getFolder(self, dbstring, folder, force=False):
 
        if self.verbose:
            print('LumiDBHandler.getFolder(', dbstring, ',', folder, ') called')
 
        if not self.openDB(dbstring, force=force):
            print("LumiDBHandler.getFolder - can't connect to DB!")
            return None
 
        return self.__class__.dbDict[dbstring].getFolder(folder)
    

openDB()

python.LumiDBHandler.LumiDBHandler.openDB	(		self,
			dbstring,
			oracle = False,
			debug = False,
			force = False )

Definition at line 59 of file LumiDBHandler.py.

    def openDB(self, dbstring, oracle=False, debug=False, force=False):
 
        if self.verbose:
            print('LumiDBHandler.openDB(', dbstring, ') called')
 
        # Check if already open
        if dbstring in self.__class__.dbDict:
 
            # No force, just return 
            if not force:
                if self.verbose:
                    print('LumiDBHandler.openDB - Connection already exists')
                return True # Yes it is
 
            # Force specified, close so we can re-open
            if self.verbose:
                print('LumiDBHandler.openDB - Connection already exists, closing first due to force=True')
            self.closeDB(dbstring)
 
        # Try to open DB connection
        if self.verbose:
            print(('LumiDBHandler.openDB - Connecting to', dbstring))
            
        try:
            db = indirectOpen(dbstring, readOnly=True, debug=debug)
        except Exception as e:
            print(e)
            return False
 
        # OK, opened.  Save this to our dict for later use
        self.__class__.dbDict[dbstring] = db
        
        return True
 

Member Data Documentation

dbDict

python.LumiDBHandler.LumiDBHandler.dbDict = dict()

static

Definition at line 35 of file LumiDBHandler.py.

verbose

bool python.LumiDBHandler.LumiDBHandler.verbose = False

Definition at line 41 of file LumiDBHandler.py.

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

• LumiDBHandler.py