Re: Python mode and eldoc "freeze"

[Chong Yidong]

Chong Yidong <address@hidden> writes:

> Basically, python-send-receive (called by python-eldoc-function) is
> waiting forever for input to arrive.  It expects to receive a string
> "_emacs_out" from the emacs.eargs Python function (defined in
> etc/emacs.py) in the inferior python process.
>
> Apparently if the exec fails, this function neglects to print
> '_emacs_out'.  This can be verified using
>
> I don't know enough Python to fix this.  Can someone help?

After some trial and error, I propose the following patch.  I have
verified that it makes the reported bug go away.  Does anyone disagree
with it?

*** emacs/etc/emacs.py.~1.8.~   2006-08-21 00:19:17.000000000 -0400
--- emacs/etc/emacs.py  2006-10-21 00:55:36.000000000 -0400
***************
*** 59,71 ****
            return
        if inspect.ismethod (func):
            func = func.im_func
!       if not inspect.isfunction (func): 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
  
  def all_names (object):
      """Return (an approximation to) a list of all possible attribute
--- 59,74 ----
            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