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113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
"""Definitions used by commands sent to inferior Python in python.el."""
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# Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
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# Author: Dave Love <d.love@dl.ac.uk>
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# This file is part of GNU Emacs.
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# GNU Emacs is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# GNU Emacs is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with GNU Emacs; see the file COPYING. If not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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import os, sys, traceback, inspect, rlcompleter, __main__
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__all__ = ["eexecfile", "args", "complete", "ehelp", "eimport"]
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def eexecfile (file):
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"""Execute FILE and then remove it.
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If we get an exception, print a traceback with the top frame
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(oursleves) excluded."""
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try:
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try: execfile (file, globals (), globals ())
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except:
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(type, value, tb) = sys.exc_info ()
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# Lose the stack frame for this location.
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tb = tb.tb_next
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if tb is None: # print_exception won't do it
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print "Traceback (most recent call last):"
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traceback.print_exception (type, value, tb)
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finally:
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os.remove (file)
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def eargs (name):
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"Get arglist of NAME for Eldoc &c."
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try:
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parts = name.split ('.')
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if len (parts) > 1:
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exec 'import ' + parts[0] # might fail
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func = eval (name)
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if inspect.isbuiltin (func):
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doc = func.__doc__
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if doc.find (' ->') != -1:
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print '_emacs_out', doc.split (' ->')[0]
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elif doc.find ('\n') != -1:
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print '_emacs_out', doc.split ('\n')[0]
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return
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if inspect.ismethod (func):
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func = func.im_func
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if not inspect.isfunction (func):
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return
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(args, varargs, varkw, defaults) = inspect.getargspec (func)
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# No space between name and arglist for consistency with builtins.
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print '_emacs_out', \
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func.__name__ + inspect.formatargspec (args, varargs, varkw,
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defaults)
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except: pass
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def complete (text, namespace = None):
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"""Complete TEXT in NAMESPACE and print a Lisp list of completions.
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NAMESPACE is currently not used."""
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if namespace is None: namespace = __main__.__dict__
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c = rlcompleter.Completer (namespace)
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try:
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if '.' in text:
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matches = c.attr_matches (text)
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else:
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matches = c.global_matches (text)
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print '_emacs_out (',
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for elt in matches:
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print '"%s"' % elt,
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print ')'
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except:
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print '_emacs_out ()'
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def ehelp (name, g, l):
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"""Get help on string NAME using globals G and locals L.
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First try to eval name for, e.g. user definitions where we need
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the object. Otherwise try the string form."""
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try: help (eval (name, g, l))
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except: help (name)
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def eimport (mod, dir):
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"""Import module MOD with directory DIR at the head of the search path.
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NB doesn't load from DIR if MOD shadows a system module."""
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path0 = sys.path[0]
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sys.path[0] = dir
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try:
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try:
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if globals().has_key(mod) and inspect.ismodule (eval (mod)):
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reload(eval (mod))
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else:
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globals ()[mod] = __import__ (mod)
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except:
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(type, value, tb) = sys.exc_info ()
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print "Traceback (most recent call last):"
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traceback.print_exception (type, value, tb.tb_next)
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finally:
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sys.path[0] = path0
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print '_emacs_ok' # ready for input and can call continuation
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# arch-tag: d90408f3-90e2-4de4-99c2-6eb9c7b9ca46
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