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getattr() is now built-in; no longer need a class to simulate varargs.

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This commit is contained in:
Guido van Rossum 1992-04-02 10:37:02 +00:00
parent 60279da7f5
commit 7084ec8167
2 changed files with 30 additions and 38 deletions
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34
Lib/lib-old/newdir.py
View File

@ -1,13 +1,9 @@
# New dir() function and other attribute-related goodies
# New dir() function
# 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()
@ -59,21 +55,21 @@ def listattrs(x):
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
# Approximation of builtin dir(); but note that 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
def dir(*args):
if len(args) > 0:
if len(args) == 1:
args = args[0]
return listattrs(args)
else:
import __main__
return listattrs(__main__)

34
Lib/newdir.py
View File

@ -1,13 +1,9 @@
# New dir() function and other attribute-related goodies
# New dir() function
# 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()
@ -59,21 +55,21 @@ def listattrs(x):
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
# Approximation of builtin dir(); but note that 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
def dir(*args):
if len(args) > 0:
if len(args) == 1:
args = args[0]
return listattrs(args)
else:
import __main__
return listattrs(__main__)