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# New dir() function and other attribute-related goodies
# This should become a built-in function
#
def getattr(x, name):
return eval('x.'+name)
# This should be the new dir(), except that it should still list
# the current local name space by default
#
def listattrs(x):
try:
dictkeys = x.__dict__.keys()
except (AttributeError, TypeError):
dictkeys = []
#
try:
methods = x.__methods__
except (AttributeError, TypeError):
methods = []
#
try:
members = x.__members__
except (AttributeError, TypeError):
members = []
#
try:
the_class = x.__class__
except (AttributeError, TypeError):
the_class = None
#
try:
bases = x.__bases__
except (AttributeError, TypeError):
bases = ()
#
total = dictkeys + methods + members
if the_class:
# It's a class instace; add the class's attributes
# that are functions (methods)...
class_attrs = listattrs(the_class)
class_methods = []
for name in class_attrs:
if is_function(getattr(the_class, name)):
class_methods.append(name)
total = total + class_methods
elif bases:
# It's a derived class; add the base class attributes
for base in bases:
base_attrs = listattrs(base)
total = total + base_attrs
total.sort()
return total
i = 0
while i+1 < len(total):
if total[i] == total[i+1]:
del total[i+1]
else:
i = i+1
return total
# Helper to recognize functions
#
def is_function(x):
return type(x) == type(is_function)
# Approximation of builtin dir(); this lists the user's
# variables by default, not the current local name space.
# Use a class method to make a function that can be called
# with or without arguments.
#
class _dirclass:
def dir(args):
if type(args) == type(()):
return listattrs(args[1])
else:
import __main__
return listattrs(__main__)
dir = _dirclass().dir
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