def any_args(self,*a,**k): return True
def watch_call(method_name,arg_test= any_args):
""" Adds a Conditionnal Breakpoint to the method method_name of the decorated obj
"""
def make_watcher(obj):
class _watch(obj):
def __init__(self,*a,**k):
init= getattr(obj,'__init__',None)
if init: return init(self,*a,**k)
def _watched_method(self,*a,**k):
if arg_test(self,*a,**k):
This_is_a_breakpoint= True # Put a breakpoint here, or take any other action
return obj.__dict__[method_name](self,*a ,**k)
setattr(_watch,method_name,_watch._watched_method)
return _watch
return make_watcher
def _________________tests__________________():pass
@watch_call("f",lambda s,*a,**k: a[0]== 1 )
class test:
def f(self,x,y= 3):
print "f(%s)"% (x+y)
def g(self,x,y=3):
print "g()"
if __name__== "__main__":
# BreakPoint if l is appenned a list
l= watch_call("append",lambda s,*a,**k: isinstance(a[0],list))(list)()
l.append('?')
l.append([])
print l
# BreakPoint if d is __setattr__["a"]
d= watch_call("__setitem__",lambda s,*a,**k: a[0]== "a" )(dict)()
d['a']= 1
print d
# Decorate class
t= test()
t.g(1)
t.f(1)
t.g(2)
t.f(2)
Diff to Previous Revision
--- revision 1 2011-09-20 18:44:58
+++ revision 2 2011-09-20 18:49:23
@@ -1,7 +1,7 @@
def any_args(self,*a,**k): return True
def watch_call(method_name,arg_test= any_args):
- """ Adds a Conditionnal Breakpoint to the methode method_name of the decorated obj
+ """ Adds a Conditionnal Breakpoint to the method method_name of the decorated obj
"""
def make_watcher(obj):
class _watch(obj):
@@ -10,7 +10,7 @@
if init: return init(self,*a,**k)
def _watched_method(self,*a,**k):
if arg_test(self,*a,**k):
- This_is_a_breakpoint= True # Put a breakpoint here
+ This_is_a_breakpoint= True # Put a breakpoint here, or take any other action
return obj.__dict__[method_name](self,*a ,**k)
setattr(_watch,method_name,_watch._watched_method)
return _watch
