Fixed Proposed Values Script for ComicRack

Proposed Values.py

'''
Description:            This script is to filter out any comics with proposed values
                        as requested by shpanky of the ComicRack forums.

Author:                 Stonepaw (also known as Atchu), v0.3 by maforget

Version:
                        0.3

Copyright:              This work is not copyrighted. Feel free to use and modify any or all of it.
'''
DEBUG = False
#ComicRack declarations
#@Name Proposed Values
#@Hook CreateBookList
#@Key findProposedValues
#@PCount 1

def findProposedValues(books, a, b):
    #a will be a comma separated list of specific fields to locate
    #split by commas and filter out valid values.
    comics = []
    options = set()
    validvalues = set(["volume", "series", "count", "format", "number", "title", "year"])
    try:
        if a:    
            temp = a.split(",")
        
            for value in temp[:]:
                temp[temp.index(value)] = value.lower().strip()

            options =  set.intersection(validvalues, temp)    

        #If there were no options specified, then do all options
        if len(options) == 0:
            options = validvalues

        #Main loop

        for book in books:
            if "series" in options:
                if book.ShadowSeries:
                    if not book.Series:
                        comics.append(book)
                        continue
            if "volume" in options:
                if book.ShadowVolume > -1:
                    if book.Volume == -1:
                        comics.append(book)
                        continue
            if "count" in options:
                if book.ShadowCount > -1:
                    if book.Count == -1:
                        comics.append(book)
                        continue
            if "format" in options:
                if book.ShadowFormat:
                    if not book.Format:
                        comics.append(book)
                        continue
            if "number" in options:
                if book.ShadowNumber:
                    if not book.Number:
                        comics.append(book)
                        continue
            if "title" in options:
                if book.ShadowTitle:
                    if not book.Title:
                        comics.append(book)
                        continue
            if "year" in options:
                if book.ShadowYear > -1:
                    if book.Year == -1:
                        comics.append(book)

    except Exception as ex:
        print("Whoops, something went wrong:")
        print(ex)
      
    Debug(comics)
    return comics

def Debug(book_list):
    book_list = book_list if isinstance(book_list, list) else [book_list]
    if DEBUG and len(book_list) > 0:
        s, sep = 4, 50 #spaces, seperator  
        print("-" * sep)
        fields = ["Series", "Volume", "Number", "Count", "Title", "Year", "Format"]
        for book in book_list:
            print("Caption: {}".format(book.Caption))
            print("EnableProposed: {}".format(str(book.EnableProposed)))
            for prop_name in fields:
                print("{}:".format(prop_name))
                print((" " * s) + "Proposed{0}: \"{1}\"".format(prop_name, getattr(book, 'Proposed' + prop_name, '')))
                print((" " * s) + "Shadow{0}: \"{1}\"".format(prop_name, getattr(book, 'Shadow' + prop_name, '')))
                print((" " * s) + "{0}: \"{1}\"".format(prop_name, getattr(book, prop_name, '')))
            print("-" * sep)