[Tutor] decorators

[शंतनू]

On Friday 23 July 2010 11:53 PM, Mary Morris wrote:
> I'm trying to compile a list of decorators from the source code at my 
> office.
> I did this by doing a
>
> candidate_line.find("@")

How about using something like

candidate_line.strip.startswith('@') and calculate_line.find('.') == -1

There are few more cases where above may fail. In that case you may want 
to use re module instead.
e.g.
@test_decorator # this is test comment.

>
> because all of our decorators start with the @ symbol.  The problem 
> I'm having is that the email addresses that are included in the 
> comments are getting included in the list that is getting returned.
> I was thinking I could do a candidate_line.find(".com") to set the 
> email addresses apart, but how do I tell the computer to not include 
> the lines it finds with ".com" in them in the list?
>
> The part of my code that I'm hoping to include this in looks like this:
>
>
>
> #parse out the names of the decorators from those lines
>         return_decorators= []
>         for ele in subset_lines:
>                 candidate_line, line_number = ele
>                 candidate_line = candidate_line.strip()
>                 i = candidate_line.find("(")
>                 j = candidate_line.find("#")
>                 #if () is in the last spot
>                 if i == -1:
>                         #if () is in the last spot and the decorator 
> is in a comment
>                         if j == 0:
>                                 #get rid of ( and #
>                                 candidate_line = candidate_line[2:i]
>                         #if () is in the last spot and the decorator 
> is not in a comment
>                         elif j != 0:
>                                 candidate_line = candidate_line[1:i]
>                 #if there are not ()'s in the last spot
>                 elif i != -1:
>                         #if there are not ()'s, but the decorator is 
> in a comment
>                         if j == 0:
>                                 candidate_line = candidate_line[2:]
>                         #if there are not ()'s and the decorator isn't 
> in a comment
>                         elif j != 0:
>                                 candidate_line = candidate_line[1:]
>  elif candidate_line.find(".com"):
>                         candidate_line != candidate_line
>                 return_decorators.append((line_number, candidate_line))
>         return return_decorators
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