# tracing.py
import customdec
customdec.enhance_classes("[Decorated]")
class B(object):
def __init__(self):
"[tracedmethod]"
super(B, self).__init__()
class D(object):
def __init__(self):
"[tracedmethod]"
super(D, self).__init__()
class E(B, D):
def __init__(self):
"[tracedmethod]"
super(E, self).__init__()
# example6.py
"How to trace a class method"
import customdec; customdec.enhance_classes()
class C(object):
"[Decorated]"
def fact(cls,n): # a traced classmethod
"[classmethod,tracedmethod]"
if n==0: return 1
else: return n*cls.fact(n-1)
# chatty2.py
import customdec; customdec.enhance_classes("[Decorated]")
# sets the log files
log1=file('file1.log','w')
log2=file('file2.log','w')
class C:
def f(self):
"[chattymethod2]"
f.logfile=log1 # function attribute
def g(self):
"[chattymethod2]"
g.logfile=log2 # function attribute
assert C.__dict__['f'].logfile is log1 # check the conversion
assert C.__dict__['g'].logfile is log2 # function attr. -> decorator attr.
c=C() # C instantiation
c.f() # print a message in file1.log
c.g() # print a message in file2.log
log1.close(); log2.close() # finally
# chatty2.py
import customdec
customdec.enhance_classes()
# sets the log files
log1 = file('file1.log', 'w')
log2 = file('file2.log', 'w')
class C:
"[Decorated]"
def f(self):
"[chattymethod2]"
f.logfile = log1 # function attribute
def g(self):
"[chattymethod2]"
g.logfile = log2 # function attribute
assert C.__dict__['f'].logfile is log1 # check the conversion
assert C.__dict__['g'].logfile is log2 # function attr. -> decorator attr.
c = C() # C instantiation
c.f() # print a message in file1.log
c.g() # print a message in file2.log
# logged.py
import customdec
customdec.enhance_classes()
class D(object): # will print a message at D creation
"[Logged]"
