"""Definitions used by commands sent to inferior Python in python.el."""
import os, sys, traceback, inspect, rlcompleter, __main__
__all__ = ["eexecfile", "args", "complete", "ehelp", "eimport"]
def eexecfile (file):
"""Execute FILE and then remove it.
If we get an exception, print a traceback with the top frame
(oursleves) excluded."""
try:
try: execfile (file, globals (), globals ())
except:
(type, value, tb) = sys.exc_info ()
tb = tb.tb_next
if tb is None: print "Traceback (most recent call last):"
traceback.print_exception (type, value, tb)
finally:
os.remove (file)
def eargs (name):
"Get arglist of NAME for Eldoc &c."
try:
parts = name.split ('.')
if len (parts) > 1:
exec 'import ' + parts[0] 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):
return
(args, varargs, varkw, defaults) = inspect.getargspec (func)
print '_emacs_out', \
func.__name__ + inspect.formatargspec (args, varargs, varkw,
defaults)
except: pass
def complete (text, namespace = None):
"""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)
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 ()'
def ehelp (name, g, l):
"""Get help on string NAME using globals G and locals L.
First try to eval name for, e.g. user definitions where we need
the object. Otherwise try the string form."""
try: help (eval (name, g, l))
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."""
path0 = sys.path[0]
sys.path[0] = dir
try:
try:
if globals().has_key(mod) and inspect.ismodule (eval (mod)):
reload(eval (mod))
else:
globals ()[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
print '_emacs_ok'