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curses HOWTO: fix some PEP8 and a code example to actually raise the exception it promises.

This commit is contained in:
Georg Brandl 2013-10-06 10:04:21 +02:00
parent f6324941f0
commit dbab26a8c9
1 changed files with 6 additions and 6 deletions
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12
Doc/howto/curses.rst
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@ -143,7 +143,7 @@ importing the :func:`curses.wrapper` function and using it like this::
stdscr.clear()
# This raises ZeroDivisionError when i == 10.
for i in range(0, 10):
for i in range(0, 11):
v = i-10
stdscr.addstr(i, 0, '10 divided by {} is {}'.format(v, 10/v))
@ -177,8 +177,8 @@ smaller windows, in order to redraw or clear them separately. The
:func:`~curses.newwin` function creates a new window of a given size,
returning the new window object. ::
begin_x = 20 ; begin_y = 7
height = 5 ; width = 40
begin_x = 20; begin_y = 7
height = 5; width = 40
win = curses.newwin(height, width, begin_y, begin_x)
Note that the coordinate system used in curses is unusual.
@ -227,7 +227,7 @@ displayed. ::
# explained in the next section
for y in range(0, 99):
for x in range(0, 99):
pad.addch(y,x, ord('a') + (x*x+y*y) % 26 )
pad.addch(y,x, ord('a') + (x*x+y*y) % 26)
# Displays a section of the pad in the middle of the screen.
# (0,0) : coordinate of upper-left corner of pad area to display.
@ -389,7 +389,7 @@ again, such combinations are not guaranteed to work on all terminals.
An example, which displays a line of text using color pair 1::
stdscr.addstr( "Pretty text", curses.color_pair(1) )
stdscr.addstr("Pretty text", curses.color_pair(1))
stdscr.refresh()
As I said before, a color pair consists of a foreground and background color.
@ -412,7 +412,7 @@ When you change a color pair, any text already displayed using that color pair
will change to the new colors. You can also display new text in this color
with::
stdscr.addstr(0,0, "RED ALERT!", curses.color_pair(1) )
stdscr.addstr(0,0, "RED ALERT!", curses.color_pair(1))
Very fancy terminals can change the definitions of the actual colors to a given
RGB value. This lets you change color 1, which is usually red, to purple or