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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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10 |
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11 """ |
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12 |
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13 __revision__ = "$Id: __init__.py 61064 2008-02-25 16:29:58Z andrew.kuchling $" |
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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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53 |
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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 |