-"""Definitions used by commands sent to inferior Python in python.el."""
+"""Wrapper for version-specific implementations of python.el helper
+functions """
-# Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
-# Author: Dave Love <fx@gnu.org>
+import sys
-# This file is part of GNU Emacs.
+if sys.version_info[0] == 3:
+ from emacs3 import *
+else:
+ from emacs2 import *
-# GNU Emacs is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# GNU Emacs is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with GNU Emacs; see the file COPYING. If not, write to the
-# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-# Boston, MA 02110-1301, USA.
-
-import os, sys, traceback, inspect, __main__
-from sets import Set
-
-__all__ = ["eexecfile", "eargs", "complete", "ehelp", "eimport", "modpath"]
-
-def eexecfile (file):
- """Execute FILE and then remove it.
- Execute the file within the __main__ namespace.
- If we get an exception, print a traceback with the top frame
- (ourselves) excluded."""
- try:
- try: execfile (file, __main__.__dict__)
- except:
- (type, value, tb) = sys.exc_info ()
- # Lose the stack frame for this location.
- tb = tb.tb_next
- if tb is None: # print_exception won't do it
- print "Traceback (most recent call last):"
- traceback.print_exception (type, value, tb)
- finally:
- os.remove (file)
-
-def eargs (name, imports):
- "Get arglist of NAME for Eldoc &c."
- try:
- if imports: exec imports
- parts = name.split ('.')
- if len (parts) > 1:
- exec 'import ' + parts[0] # might fail
- func = eval (name)
- if inspect.isbuiltin (func):
- doc = func.__doc__
- if doc.find (' ->') != -1:
- print '_emacs_out', doc.split (' ->')[0]
- elif doc.find ('\n') != -1:
- print '_emacs_out', doc.split ('\n')[0]
- return
- if inspect.ismethod (func):
- func = func.im_func
- if not inspect.isfunction (func):
- print '_emacs_out '
- return
- (args, varargs, varkw, defaults) = inspect.getargspec (func)
- # No space between name and arglist for consistency with builtins.
- print '_emacs_out', \
- func.__name__ + inspect.formatargspec (args, varargs, varkw,
- defaults)
- except:
- print "_emacs_out "
-
-def all_names (object):
- """Return (an approximation to) a list of all possible attribute
- names reachable via the attributes of OBJECT, i.e. roughly the
- leaves of the dictionary tree under it."""
-
- def do_object (object, names):
- if inspect.ismodule (object):
- do_module (object, names)
- elif inspect.isclass (object):
- do_class (object, names)
- # Might have an object without its class in scope.
- elif hasattr (object, '__class__'):
- names.add ('__class__')
- do_class (object.__class__, names)
- # Probably not a good idea to try to enumerate arbitrary
- # dictionaries...
- return names
-
- def do_module (module, names):
- if hasattr (module, '__all__'): # limited export list
- names.union_update (module.__all__)
- for i in module.__all__:
- do_object (getattr (module, i), names)
- else: # use all names
- names.union_update (dir (module))
- for i in dir (module):
- do_object (getattr (module, i), names)
- return names
-
- def do_class (object, names):
- ns = dir (object)
- names.union_update (ns)
- if hasattr (object, '__bases__'): # superclasses
- for i in object.__bases__: do_object (i, names)
- return names
-
- return do_object (object, Set ([]))
-
-def complete (name, imports):
- """Complete TEXT in NAMESPACE and print a Lisp list of completions.
- Exec IMPORTS first."""
- import __main__, keyword
-
- def class_members(object):
- names = dir (object)
- if hasattr (object, '__bases__'):
- for super in object.__bases__:
- names = class_members (super)
- return names
-
- names = Set ([])
- base = None
- try:
- dict = __main__.__dict__.copy()
- if imports: exec imports in dict
- l = len (name)
- if not "." in name:
- for list in [dir (__builtins__), keyword.kwlist, dict.keys()]:
- for elt in list:
- if elt[:l] == name: names.add(elt)
- else:
- base = name[:name.rfind ('.')]
- name = name[name.rfind('.')+1:]
- try:
- object = eval (base, dict)
- names = Set (dir (object))
- if hasattr (object, '__class__'):
- names.add('__class__')
- names.union_update (class_members (object))
- except: names = all_names (dict)
- except: return []
- l = len(name)
- print '_emacs_out (',
- for n in names:
- if name == n[:l]:
- if base: print '"%s.%s"' % (base, n),
- else: print '"%s"' % n,
- print ')'
-
-def ehelp (name, imports):
- """Get help on string NAME.
- First try to eval name for, e.g. user definitions where we need
- the object. Otherwise try the string form."""
- locls = {}
- if imports:
- try: exec imports in locls
- except: pass
- try: help (eval (name, globals(), locls))
- except: help (name)
-
-def eimport (mod, dir):
- """Import module MOD with directory DIR at the head of the search path.
- NB doesn't load from DIR if MOD shadows a system module."""
- from __main__ import __dict__
-
- path0 = sys.path[0]
- sys.path[0] = dir
- try:
- try:
- if __dict__.has_key(mod) and inspect.ismodule (__dict__[mod]):
- reload (__dict__[mod])
- else:
- __dict__[mod] = __import__ (mod)
- except:
- (type, value, tb) = sys.exc_info ()
- print "Traceback (most recent call last):"
- traceback.print_exception (type, value, tb.tb_next)
- finally:
- sys.path[0] = path0
-
-def modpath (module):
- """Return the source file for the given MODULE (or None).
-Assumes that MODULE.py and MODULE.pyc are in the same directory."""
- try:
- path = __import__ (module).__file__
- if path[-4:] == '.pyc' and os.path.exists (path[0:-1]):
- path = path[:-1]
- print "_emacs_out", path
- except:
- print "_emacs_out ()"
-
-# print '_emacs_ok' # ready for input and can call continuation
-
-# arch-tag: d90408f3-90e2-4de4-99c2-6eb9c7b9ca46
+# arch-tag: 894b5227-638f-45fd-8567-0417d5c35900