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annotate Lib/curses/__init__.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 3a6ca89ef76d
children 3e26c9033306 9c96c3adbcd1 52900f205e6e
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1 """curses
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2
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3 The main package for curses support for Python. Normally used by importing
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4 the package, and perhaps a particular module inside it.
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5
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6 import curses
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7 from curses import textpad
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8 curses.initwin()
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9 ...
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11 """
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12
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13 __revision__ = "$Id$"
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14
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15 from _curses import *
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16 from curses.wrapper import wrapper
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17 import os as _os
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18 import sys as _sys
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19
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20 # Some constants, most notably the ACS_* ones, are only added to the C
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21 # _curses module's dictionary after initscr() is called. (Some
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22 # versions of SGI's curses don't define values for those constants
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23 # until initscr() has been called.) This wrapper function calls the
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24 # underlying C initscr(), and then copies the constants from the
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25 # _curses module to the curses package's dictionary. Don't do 'from
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26 # curses import *' if you'll be needing the ACS_* constants.
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27
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28 def initscr():
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29 import _curses, curses
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30 # we call setupterm() here because it raises an error
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31 # instead of calling exit() in error cases.
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32 setupterm(term=_os.environ.get("TERM", "unknown"),
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33 fd=_sys.__stdout__.fileno())
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34 stdscr = _curses.initscr()
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35 for key, value in _curses.__dict__.items():
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36 if key[0:4] == 'ACS_' or key in ('LINES', 'COLS'):
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37 setattr(curses, key, value)
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38
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39 return stdscr
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40
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41 # This is a similar wrapper for start_color(), which adds the COLORS and
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42 # COLOR_PAIRS variables which are only available after start_color() is
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43 # called.
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44
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45 def start_color():
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46 import _curses, curses
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47 retval = _curses.start_color()
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48 if hasattr(_curses, 'COLORS'):
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49 curses.COLORS = _curses.COLORS
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50 if hasattr(_curses, 'COLOR_PAIRS'):
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51 curses.COLOR_PAIRS = _curses.COLOR_PAIRS
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52 return retval
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54 # Import Python has_key() implementation if _curses doesn't contain has_key()
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55
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56 try:
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57 has_key
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58 except NameError:
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59 from has_key import has_key