Remove unused code

IPython/frontend/terminal/ipapp.py

@@ -48,7 +48,6 b' from IPython.core.shellapp import ('
     InteractiveShellApp, shell_flags, shell_aliases
 )
 from IPython.frontend.terminal.interactiveshell import TerminalInteractiveShell
-from IPython.lib import inputhook
 from IPython.utils import warn
 from IPython.utils.path import get_ipython_dir, check_for_old_config
 from IPython.utils.traitlets import (

IPython/utils/text.py

@@ -23,7 +23,6 b' import __main__'
 
 import os
 import re
-import shutil
 import sys
 import textwrap
 from string import Formatter
@@ -403,31 +402,6 b' def indent(instr,nspaces=4, ntabs=0, flatten=False):'
     else:
         return outstr
 
-def native_line_ends(filename,backup=1):
-    """Convert (in-place) a file to line-ends native to the current OS.
-
-    If the optional backup argument is given as false, no backup of the
-    original file is left.  """
-
-    backup_suffixes = {'posix':'~','dos':'.bak','nt':'.bak','mac':'.bak'}
-
-    bak_filename = filename + backup_suffixes[os.name]
-
-    original = open(filename).read()
-    shutil.copy2(filename,bak_filename)
-    try:
-        new = open(filename,'wb')
-        new.write(os.linesep.join(original.splitlines()))
-        new.write(os.linesep) # ALWAYS put an eol at the end of the file
-        new.close()
-    except:
-        os.rename(bak_filename,filename)
-    if not backup:
-        try:
-            os.remove(bak_filename)
-        except:
-            pass
-
 
 def list_strings(arg):
     """Always return a list of strings, given a string or list of strings