old_contents: """curses
  
  The main package for curses support for Python.  Normally used by importing
  the package, and perhaps a particular module inside it.
  
     import curses
     from curses import textpad
     curses.initwin()
     ...
  
  """
  
  from _curses import *
  from curses.wrapper import wrapper
  import os as _os
  import sys as _sys
  
  # Some constants, most notably the ACS_* ones, are only added to the C
  # _curses module's dictionary after initscr() is called.  (Some
  # versions of SGI's curses don't define values for those constants
  # until initscr() has been called.)  This wrapper function calls the
  # underlying C initscr(), and then copies the constants from the
  # _curses module to the curses package's dictionary.  Don't do 'from
  # curses import *' if you'll be needing the ACS_* constants.
  
  def initscr():
      import _curses, curses
      # we call setupterm() here because it raises an error
      # instead of calling exit() in error cases.
      setupterm(term=_os.environ.get("TERM", "unknown"),
                fd=_sys.__stdout__.fileno())
      stdscr = _curses.initscr()
      for key, value in _curses.__dict__.items():
          if key[0:4] == 'ACS_' or key in ('LINES', 'COLS'):
              setattr(curses, key, value)
  
      return stdscr
  
  # This is a similar wrapper for start_color(), which adds the COLORS and
  # COLOR_PAIRS variables which are only available after start_color() is
  # called.
  
  def start_color():
      import _curses, curses
      retval = _curses.start_color()
      if hasattr(_curses, 'COLORS'):
          curses.COLORS = _curses.COLORS
      if hasattr(_curses, 'COLOR_PAIRS'):
          curses.COLOR_PAIRS = _curses.COLOR_PAIRS
      return retval
  
  # Import Python has_key() implementation if _curses doesn't contain has_key()
  
  try:
      has_key
  except NameError:
      from has_key import has_key
  
new_contents: """curses
  
  The main package for curses support for Python.  Normally used by importing
  the package, and perhaps a particular module inside it.
  
     import curses
     from curses import textpad
     curses.initwin()
     ...
  
  """
  
  from _curses import *
  from curses.wrapper import wrapper
  import os as _os
  import sys as _sys
  
  # Some constants, most notably the ACS_* ones, are only added to the C
  # _curses module's dictionary after initscr() is called.  (Some
  # versions of SGI's curses don't define values for those constants
  # until initscr() has been called.)  This wrapper function calls the
  # underlying C initscr(), and then copies the constants from the
  # _curses module to the curses package's dictionary.  Don't do 'from
  # curses import *' if you'll be needing the ACS_* constants.
  
  def initscr():
      import _curses, curses
      # we call setupterm() here because it raises an error
      # instead of calling exit() in error cases.
      setupterm(term=_os.environ.get("TERM", "unknown"),
                fd=_sys.__stdout__.fileno())
      stdscr = _curses.initscr()
      for key, value in _curses.__dict__.items():
          if key[0:4] == 'ACS_' or key in ('LINES', 'COLS'):
              setattr(curses, key, value)
  
      return stdscr
  
  # This is a similar wrapper for start_color(), which adds the COLORS and
  # COLOR_PAIRS variables which are only available after start_color() is
  # called.
  
  def start_color():
      import _curses, curses
      retval = _curses.start_color()
      if hasattr(_curses, 'COLORS'):
          curses.COLORS = _curses.COLORS
      if hasattr(_curses, 'COLOR_PAIRS'):
          curses.COLOR_PAIRS = _curses.COLOR_PAIRS
      return retval
  
  # Import Python has_key() implementation if _curses doesn't contain has_key()
  
  try:
      has_key
  except NameError:
      from .has_key import has_key
  
subject: Fix curses module for strict SysV implementation (without has_key function)