[Tutor] "else:" triggering a Syntax Error

[Benno Lang]

On Sat, Feb 6, 2010 at 7:56 PM, Stijn . <stijnnederland at hotmail.com> wrote:
> class Line(): #The class
>     def __init__( self, start_dot, end_dot, width): #init function
>         self.start_dot = start_dot
>         self.surface = pygame.Surface((w, h), SRCALPHA)
>         self.surface.fill((0,0,0,0))
>         self.end_dot = end_dot
>         self.width = width
>         self.selected = 0
>         self.tempX1 = start_dot.x
>         self.tempY1 = start_dot.y
>         self.tempX2 = end_dot.x
>         self.tempY2 = end_dot.y
>         self.visibleTemp1 = self.start_dot.visible
>         self.visibleTemp2 = self.end_dot.visible
>         self.draw = 0
>         self.lastWasMove = 0
>         self.Draw(1)
>         self.rico = 0
>     def Draw ( self, typeOf ): #draw function
>          if ((self.start_dot.x > self.end_dot.x) and (self.start_dot.y !=
> self.end_dot.y)):

(1) Are you sure you want all those superfluous parentheses?

>               self.rico = (self.start_dot.x - self.end_dot.x /
> abs(self.start_dot.y - self.end_dot.y)

(2) You're missing a closing parenthesis.

>          else: #<-causes error message
>               if ((self.start_dot.x < self.end_dot.x and self.start_dot.y !=
> self.end_dot.y))

(3) Don't forget the colon.
(4) See (1)

>                    self.rico = (self.end_dot.x - self.start_dot.x) /
> abs(self.start_dot.y - self.end_dot.y)
>               else:
>                    self.rico = 0

HTH,
benno.