%paste throws an exception with empty clipboard

[dandavison]

1. ipython --quick on 0.14dev 079f8ed, OS X (bug also at rel-0.13 but not rel-0.12)
2. Empty system clipboard
3. %paste

lib/python/ipython ipython --quick                                           ()
Python 2.7.2 (default, Aug  4 2011, 16:59:19) 
Type "copyright", "credits" or "license" for more information.

IPython 0.14.dev -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: import IPython ; IPython.__version__
Out[1]: '0.14.dev'

In [2]: %paste


## -- End pasted text --
---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
<ipython-input-2-da94f22893b1> in <module>()
----> 1 get_ipython().magic(u'paste')

/Users/davison/lib/python/ipython/IPython/core/interactiveshell.py in magic(self, arg_s)
   2167         magic_name, _, magic_arg_s = arg_s.partition(' ')
   2168         magic_name = magic_name.lstrip(prefilter.ESC_MAGIC)
-> 2169         return self.run_line_magic(magic_name, magic_arg_s)
   2170 
   2171     #-------------------------------------------------------------------------

/Users/davison/lib/python/ipython/IPython/core/interactiveshell.py in run_line_magic(self, magic_name, line)
   2093                 args.append(sys._getframe(stack_depth).f_locals)
   2094             with self.builtin_trap:
-> 2095                 result = fn(*args)
   2096             return result
   2097 

/Users/davison/lib/python/ipython/IPython/frontend/terminal/interactiveshell.py in paste(self, parameter_s)

/Users/davison/lib/python/ipython/IPython/core/magic.py in <lambda>(f, *a, **k)
    189     # but it's overkill for just that one bit of state.
    190     def magic_deco(arg):
--> 191         call = lambda f, *a, **k: f(*a, **k)
    192 
    193         if callable(arg):

/Users/davison/lib/python/ipython/IPython/frontend/terminal/interactiveshell.py in paste(self, parameter_s)
    288             write("## -- End pasted text --\n")
    289 
--> 290         self.store_or_execute(block, name)
    291 
    292     # Class-level: add a '%cls' magic only on Windows

/Users/davison/lib/python/ipython/IPython/frontend/terminal/interactiveshell.py in store_or_execute(self, block, name)
    151         """ Execute a block, or store it in a variable, per the user's request.
    152         """
--> 153         b = self.cleanup_input(block)
    154         if name:
    155             # If storing it for further editing

/Users/davison/lib/python/ipython/IPython/frontend/terminal/interactiveshell.py in cleanup_input(self, block)
    117         # Remove email quotes first.  These must be consistently applied to
    118         # *all* lines to be removed
--> 119         b = strip_email_quotes(b)
    120 
    121         # Split the input into independent sub-blocks so we can later do

/Users/davison/lib/python/ipython/IPython/utils/text.py in strip_email_quotes(text)
    600             break
    601     else:
--> 602         prefix = long_substr(list(matches))
    603         if prefix:
    604             strip = len(prefix)

/Users/davison/lib/python/ipython/IPython/utils/text.py in long_substr(data)
    555                     substr = data[0][i:i+j]
    556     else:
--> 557         substr = data[0]
    558     return substr
    559 

IndexError: list index out of range

[takluyver]

Should be fixed by #2261 - can someone with OS X confirm that and close this if so?

[dandavison]

Confirmed on OSX.