I had always assumed that a file would leak if it was opened without being closed, but I just verified that if I enter the following lines of code, the file will close: >>> f = open('somefile.txt') >>> del f Just out of sheer curiosity, how does this work? I notice that file doesn't include a __del__ method. ...
link text I got the concept of reference count So when i do a "del astrd" ,reference count drops to zero and astrd gets collected by gc ? This is the sample codes.These codes I developed after my yesterday's question:link text one.py: def abc(): print "Hello" print "123" print '345' two.py: import one #reload(one) #def defg(): ...
Trying to run this file in eclipse class Try: def __init__(self): pass def __del__(self): print 1 a=Try() raw_input('waiting to finish') and pressing the stop button without letting the program finish doesn't print "1", i.e the del method is never called. If i try to run the script from the shell and do ctrl-c\sys....
Hello, I am new to python and have been working through the examples in Swaroop CH's "A Byte of Python". I am seeing some behavior with the __del__ method that is puzzling me. Basically, if I run the following script (in Python 2.6.2) class Person4: '''Represents a person''' population = 0 def __init__(self, name): ...
Hello, class A: def __get(self): return self._x def __set(self, y): self._x = y def __delete_x(self): print('DELETING') del self._x x = property(__get,__set,__delete_x) b = A() # Here, when b is deleted, i'd like b.x to be deleted, i.e __delete_x() # called (and for immediate consequence, "DELETING" printed) del b Tha...
Hi, I have one problem let assume A and B are 2 view controller from A user push to B view controller,In B user starts some download by creating object C(which is NSObject class) and sets B as delegate to C(assign),now user want go back to A then dealloc of B calls object releases, C delegate fails to give call back(crashes).I want to ...
When making use of del in a Python function, I'm getting false positives from PyFlakes telling me that the variable is undefined. def foo(bar): # what if it's ham? eww if bar == 'ham': del bar return # otherwise yummy! print bar The above function will return the following error: C:\temp\test.py:7: und...