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			16 lines
		
	
	
	
		
			456 B
		
	
	
	
		
			Python
		
	
	
	
	
	
		
		
			
		
	
	
			16 lines
		
	
	
	
		
			456 B
		
	
	
	
		
			Python
		
	
	
	
	
	
|   | import sqlite3 | ||
|  | 
 | ||
|  | class CountCursorsConnection(sqlite3.Connection): | ||
|  |     def __init__(self, *args, **kwargs): | ||
|  |         sqlite3.Connection.__init__(self, *args, **kwargs) | ||
|  |         self.numcursors = 0 | ||
|  | 
 | ||
|  |     def cursor(self, *args, **kwargs): | ||
|  |         self.numcursors += 1 | ||
|  |         return sqlite3.Connection.cursor(self, *args, **kwargs) | ||
|  | 
 | ||
|  | con = sqlite3.connect(":memory:", factory=CountCursorsConnection) | ||
|  | cur1 = con.cursor() | ||
|  | cur2 = con.cursor() | ||
|  | print(con.numcursors) |