"""Definitions used by commands sent to inferior Python in python.el."""
-# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
-# Author: Dave Love <d.love@dl.ac.uk>
+# Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
+# Author: Dave Love <fx@gnu.org>
# This file is part of GNU Emacs.
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
-import os, sys, traceback, inspect, rlcompleter, __main__
+import os, sys, traceback, inspect, __main__
+from sets import Set
-__all__ = ["eexecfile", "args", "complete", "ehelp", "eimport"]
+__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
- (oursleves) excluded."""
+ (ourselves) excluded."""
try:
- try: execfile (file, globals (), globals ())
- except:
+ try: execfile (file, __main__.__dict__)
+ except:
(type, value, tb) = sys.exc_info ()
# Lose the stack frame for this location.
tb = tb.tb_next
finally:
os.remove (file)
-def eargs (name):
+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):
+ if inspect.isbuiltin (func) or type(func) is type:
doc = func.__doc__
if doc.find (' ->') != -1:
print '_emacs_out', doc.split (' ->')[0]
- elif doc.find ('\n') != -1:
+ else:
print '_emacs_out', doc.split ('\n')[0]
return
if inspect.ismethod (func):
func = func.im_func
if not inspect.isfunction (func):
- return
+ 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: pass
+ 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
-def complete (text, namespace = None):
+ return do_object (object, Set ([]))
+
+def complete (name, imports):
"""Complete TEXT in NAMESPACE and print a Lisp list of completions.
- NAMESPACE is currently not used."""
- if namespace is None: namespace = __main__.__dict__
- c = rlcompleter.Completer (namespace)
+ 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:
- if '.' in text:
- matches = c.attr_matches (text)
- else:
- matches = c.global_matches (text)
- print '_emacs_out (',
- for elt in matches:
- print '"%s"' % elt,
- print ')'
- except:
- print '_emacs_out ()'
+ 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):
+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."""
- try: help (eval (name))
+ 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 globals().has_key(mod) and inspect.ismodule (eval (mod)):
- reload(eval (mod))
+ if __dict__.has_key(mod) and inspect.ismodule (__dict__[mod]):
+ reload (__dict__[mod])
else:
- globals ()[mod] = __import__ (mod)
+ __dict__[mod] = __import__ (mod)
except:
(type, value, tb) = sys.exc_info ()
print "Traceback (most recent call last):"
finally:
sys.path[0] = path0
-print '_emacs_ok' # ready for input and can call continuation
+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
HCoop / bpt / emacs.git / blobdiff