Test9

>>> ================================ RESTART ================================
>>>
testNewsStoryConstructor (__main__.ProblemSet5NewsStory) ... ok
testNewsStoryGetGuid (__main__.ProblemSet5NewsStory) ... ok
testNewsStoryGetLink (__main__.ProblemSet5NewsStory) ... ok
testNewsStoryGetSubject (__main__.ProblemSet5NewsStory) ... ok
testNewsStoryGetSummary (__main__.ProblemSet5NewsStory) ... ok
testNewsStoryGetTitle (__main__.ProblemSet5NewsStory) ... ok
test1TitleTrigger (__main__.ProblemSet5) ... ok
test2SubjectTrigger (__main__.ProblemSet5) ... ok
test3SummaryTrigger (__main__.ProblemSet5) ... ok
test4NotTrigger (__main__.ProblemSet5) ... ok
test5AndTrigger (__main__.ProblemSet5) ... ok
test6OrTrigger (__main__.ProblemSet5) ... ok
test7PhraseTrigger (__main__.ProblemSet5) ... ok
test8FilterStories (__main__.ProblemSet5) ... ok
test8FilterStories2 (__main__.ProblemSet5) ... ok
test9UserTriggers (__main__.ProblemSet5) ... found line!
# 6.00 Problem Set 5
# RSS Feed Filter

import feedparser
import string
import time
from project_util import translate_html
from news_gui import Popup

#-----------------------------------------------------------------------
#
# Problem Set 5

#======================
# Code for retrieving and parsing
# Google and Yahoo News feeds
# Do not change this code
#======================

def process(url):
    """
    Fetches news items from the rss url and parses them.
    Returns a list of NewsStory-s.
    """
    feed = feedparser.parse(url)
    entries = feed.entries
    ret = []
    for entry in entries:
        guid = entry.guid
        title = translate_html(entry.title)
        link = entry.link
        summary = translate_html(entry.summary)
        try:
            subject = translate_html(entry.tags[0]['term'])
        except AttributeError:
            subject = ""
        newsStory = NewsStory(guid, title, subject, summary, link)
        ret.append(newsStory)
    return ret

#======================
# Part 1
# Data structure design
#======================

# Problem 1

class NewsStory(object):

    def __init__(self, guid, title, subject, summary, link):
        self.guid = guid
        self.title = title
        self.subject = subject
        self.summary = summary
        self.link = link

    def get_guid(self):
        return self.guid
    def get_title(self):
        return self.title
    def get_subject(self):
        return self.subject
    def get_summary(self):
        return self.summary
    def get_link(self):
        return self.link

#======================
# Part 2
# Triggers
#======================

class Trigger(object):
    def evaluate(self, story):
        """
        Returns True if an alert should be generated
        for the given news item, or False otherwise.
        """
        raise NotImplementedError

# Whole Word Triggers
# Problems 2-5

class WordTrigger(Trigger):

    def __init__(self, word):
        self.word = word.lower()

    def is_word_in(self, text):
        text = text.lower()
        for e in string.punctuation :
            if e in text: text = text.replace(e, " ")
        return self.word in text.split()

class TitleTrigger(WordTrigger):
    def evaluate(self, story):
        return self.is_word_in(story.title)

class SubjectTrigger(WordTrigger):
    def evaluate(self, story):
        return self.is_word_in(story.subject)

class SummaryTrigger(WordTrigger):
    def evaluate(self, story):
        return self.is_word_in(story.summary)

# Composite Triggers
# Problems 6-8

class NotTrigger(Trigger):
    def __init__(self, trigger):
        self.trigger = trigger
    def evaluate(self, story):
        return not self.trigger.evaluate(story)

class AndTrigger(Trigger):
    def __init__(self, trigger1, trigger2):
        self.trigger1 = trigger1
        self.trigger2 = trigger2
    def evaluate(self, story):
        return self.trigger1.evaluate(story) and self.trigger2.evaluate(story)

class OrTrigger(Trigger):
    def __init__(self, trigger1, trigger2):
        self.trigger1 = trigger1
        self.trigger2 = trigger2
    def evaluate(self, story):
        return self.trigger1.evaluate(story) or self.trigger2.evaluate(story)

# Phrase Trigger
# Question 9

class PhraseTrigger(Trigger):
    def __init__(self, phrase):
        self.phrase = phrase
    def evaluate(self, story):
        return (self.phrase in story.title) or (self.phrase in story.subject) or (self.phrase in story.summary)

#======================
# Part 3
# Filtering
#======================

def filter_stories(stories, triggerlist):
    """
    Takes in a list of NewsStory-s.
    Returns only those stories for whom
    a trigger in triggerlist fires.
    """
    story_filter = []
    for story in stories:
        for trigger in triggerlist:
            if trigger.evaluate(story) == True:
                story_filter.append(story)
                break
    return story_filter

#======================
# Part 4
# User-Specified Triggers
#======================

def readTriggerConfig(filename):
    """
    Returns a list of trigger objects
    that correspond to the rules set
    in the file filename
    """

    triggerfile = open(filename, "r")
    all = [ line.rstrip() for line in triggerfile.readlines() ]
    lines = []
    phrase = ""
    triggers = {}
    trigger_list = []

    for line in all:
        if len(line) == 0 or line[0] == '#':
            continue
        lines.append(line)

    for i in range(len(lines)):
        lines[i] = lines[i].split()

    for e in lines:
        if e[0] == "ADD":
            for x in e[1:]:
                trigger_list.append(triggers[x])
        elif e[1] == "TITLE":
            triggers[e[0]] = TitleTrigger(e[2])
        elif e[1] == "SUBJECT":
            triggers[e[0]] = SubjectTrigger(e[2])
        elif e[1] == "SUMMARY":
            triggers[e[0]] = SummaryTrigger(e[2])
        elif e[1] == "NOT":
            triggers[e[0]] = NotTrigger(triggers[e[2]])
        elif e[1] == "AND":
            triggers[e[0]] = AndTrigger(triggers[e[2]], triggers[e[3]])
        elif e[1] == "OR":
            triggers[e[0]] = OrTrigger(triggers[e[2]], triggers[e[3]])
        elif e[1] == "PHRASE":
            phrase = e[2]
            for x in e[3:]:
                phrase += " " + x
            triggers[e[0]] = PhraseTrigger(phrase)

    return trigger_list

import thread

def main_thread(p):
    # A sample trigger list - you'll replace
    # this with something more configurable in Problem 11
    #    t1 = SubjectTrigger("Obama")
    #    t2 = SummaryTrigger("MIT")
    #    t3 = PhraseTrigger("Supreme Court")
    #    t4 = OrTrigger(t2, t3)
    #    triggerlist = [t1, t4]

    # TODO: Problem 11
    # After implementing readTriggerConfig, uncomment this line

    triggerlist = readTriggerConfig("triggers.txt")
    print triggerlist


    guidShown = []

    while True:
        print "Polling..."

        # Get stories from Google's Top Stories RSS news feed
        stories = process("http://news.google.com/?output=rss")
        # Get stories from Yahoo's Top Stories RSS news feed
        stories.extend(process("http://rss.news.yahoo.com/rss/topstories"))

        # Only select stories we're interested in
        stories = filter_stories(stories, triggerlist)

        # Don't print a story if we have already printed it before
        newstories = []
        for story in stories:
            if story.get_guid() not in guidShown:
                newstories.append(story)

        for story in newstories:
            guidShown.append(story.get_guid())
            p.newWindow(story)

        print "Sleeping..."
        time.sleep(SLEEPTIME)

SLEEPTIME = 60 #seconds -- how often we poll
class Trigger(object):
   def evaluate():
       return False
class WordTrigger(Trigger):
            def __init__(self, word):
                self.word = word.lower()
                print "Injected!"
            def hash(self):
                raise NotImplementedError
class SubjectTrigger(Trigger):
    def __init__(self, word):
        self.word = word.lower()
        print "Injected Subject!"
    def hash(self):
        return "SUBJECT-" + self.word
class TitleTrigger(WordTrigger):
    def hash(self):
        return "TITLE-" + self.word
class SummaryTrigger(WordTrigger):
    def hash(self):
        return "SUMMARY-" + self.word
class NotTrigger(Trigger):
    def __init__(self, trigger):
        self.trigger = trigger
        print "Injected!"
    def hash(self):
        return "NOT-" + self.trigger.hash()
class PhraseTrigger(Trigger):
    def __init__(self, phrase):
        self.phrase = phrase
        print "Injected!"
    def hash(self):
        return "PHRASE-" + self.phrase
class CompositeTrigger(Trigger):
    def __init__(self, trigger1, trigger2):
        self.trigger1 = trigger1
        self.trigger2 = trigger2
class AndTrigger(CompositeTrigger):
    def hash(self):
        t1_hash = self.trigger1.hash()
        t2_hash = self.trigger2.hash()
        if t1_hash > t2_hash:
            return "AND-" + t1_hash + "-" + t2_hash
        else:
            return "AND-" + t2_hash + "-" + t1_hash
class OrTrigger(CompositeTrigger):
    def hash(self):
        t1_hash = self.trigger1.hash()
        t2_hash = self.trigger2.hash()
        if t1_hash > t2_hash:
            return "OR-" + t1_hash + "-" + t2_hash
        else:
            return "OR-" + t2_hash + "-" + t1_hash


Injected Subject!
Injected!
Injected!
{'SUBJECT-sports': False, 'OR-SUMMARY-obama-PHRASE-Hillary Clinton': False}
ERROR

======================================================================
ERROR: test9UserTriggers (__main__.ProblemSet5)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/sakh/MIT/6.00 Intro to CS/ps5/ps5_test.py", line 269, in test9UserTriggers
    trigger_list = readTriggerConfig("triggers.txt")
  File "compile-errors", line 205, in readTriggerConfig
NameError: global name 'TitleTrigger' is not defined

----------------------------------------------------------------------
Ran 16 tests in 0.495s

FAILED (errors=1)