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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() stdscr.clear()
# This raises ZeroDivisionError when i == 10. # This raises ZeroDivisionError when i == 10.
for i in range(0, 10): for i in range(0, 11):
v = i-10 v = i-10
stdscr.addstr(i, 0, '10 divided by {} is {}'.format(v, 10/v)) 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, :func:`~curses.newwin` function creates a new window of a given size,
returning the new window object. :: returning the new window object. ::
begin_x = 20 ; begin_y = 7 begin_x = 20; begin_y = 7
height = 5 ; width = 40 height = 5; width = 40
win = curses.newwin(height, width, begin_y, begin_x) win = curses.newwin(height, width, begin_y, begin_x)
Note that the coordinate system used in curses is unusual. Note that the coordinate system used in curses is unusual.
@ -227,7 +227,7 @@ displayed. ::
# explained in the next section # explained in the next section
for y in range(0, 99): for y in range(0, 99):
for x 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. # Displays a section of the pad in the middle of the screen.
# (0,0) : coordinate of upper-left corner of pad area to display. # (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:: 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() stdscr.refresh()
As I said before, a color pair consists of a foreground and background color. 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 will change to the new colors. You can also display new text in this color
with:: 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 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 RGB value. This lets you change color 1, which is usually red, to purple or