def save_to_db(self, publications):
        storage = Storage()
        storage.connect()
        self.print_unicode(u"Saving publications for author {0} - {1} to db...".format(self.author_id, self.author_name))

        map(lambda publication: self.save_publication_to_db(publication, storage), publications)
        storage.disconnect()
Exemplo n.º 2
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    def save_to_db(self, publications):
        storage = Storage()
        storage.connect()
        self.print_unicode(
            u"Saving publications for author {0} - {1} to db...".format(
                self.author_id, self.author_name))

        map(
            lambda publication: self.save_publication_to_db(
                publication, storage), publications)
        storage.disconnect()
    def update_entry_in_db(self, publication, update_values):
        publication_id = publication['ID']
        publication_title = publication['Title']

        self.print_unicode(u"Updating publication {0} - {1} as in database...".format(publication_id,
                                                                                      publication_title))
        storage = Storage()
        storage.connect()
        publications_table = meta.tables['ms_academic_publications']
        query = sqlalchemy.update(publications_table).where(publications_table.c.publication_id == publication_id)\
            .values(update_values)
        print query
        storage.execute(query)
        storage.disconnect()
Exemplo n.º 4
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    def update_entry_in_db(self, publication, update_values):
        publication_id = publication['ID']
        publication_title = publication['Title']

        self.print_unicode(
            u"Updating publication {0} - {1} as in database...".format(
                publication_id, publication_title))
        storage = Storage()
        storage.connect()
        publications_table = meta.tables['ms_academic_publications']
        query = sqlalchemy.update(publications_table).where(publications_table.c.publication_id == publication_id)\
            .values(update_values)
        print query
        storage.execute(query)
        storage.disconnect()
Exemplo n.º 5
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class JokesScraper:
    def __init__(self):
        self.storage = Storage()
        self.jokes_set = Set()

    def get_jokes(self):
        categories = self.get_categories()
        jokes = []
        for category in categories:
            jokes_for_category = self.get_jokes_by_category(category)
            self.process_jokes(jokes_for_category, category)
            jokes.extend(jokes_for_category)
            print

        return jokes

    def get_jokes_by_category(self, category):
        print "Getting jokes for category {0}".format(category["name"])
        all_jokes = []
        [jokes_on_page, older_posts] = self.get_jokes_on_page(category["url"])
        all_jokes.extend(jokes_on_page)
        while older_posts:
            url = older_posts[0].attrib["href"]
            print "Getting next page " + url
            [jokes_on_page, older_posts] = self.get_jokes_on_page(url)
            all_jokes.extend(jokes_on_page)
        return all_jokes

    def get_jokes_on_page(self, url):
        req = urllib2.Request(url=url, headers={"User-Agent": constants.USER_AGENT})
        response = urllib2.urlopen(req)
        html_parser = etree.HTMLParser()
        tree = etree.parse(response, html_parser)
        jokes = tree.xpath(constants.JOKES_SELECTOR)
        older_posts = tree.xpath(constants.OLDER_POSTS_SELECTOR)
        for element in jokes:
            print element.text + " " + element.attrib["href"]
        return [jokes, older_posts]

    def get_categories(self):
        self.storage.connect()
        categories = meta.tables["subcategories"]
        query = sqlalchemy.select([categories.c.id, categories.c.name, categories.c.url])
        results = self.storage.execute(query)
        return results

    def process_jokes(self, jokes, category):
        for joke in jokes:
            joke_data = self.process_joke(joke.attrib["href"])
            if joke_data:
                self.save_joke_to_db(joke_data, category)

    def process_joke(self, url):
        req = urllib2.Request(url=url, headers={"User-Agent": constants.USER_AGENT})
        response = urllib2.urlopen(req)
        #  print response.read()

        html_parser = etree.HTMLParser()
        tree = etree.parse(response, html_parser)

        title = tree.xpath(constants.TITLE_SELECTOR)
        content = tree.xpath(constants.CONTENT_SELECTOR)
        text_extractor = HtmlTextExtractor(content)
        content_text = text_extractor.extract_text()
        rating = tree.xpath(constants.RATING_SELECTOR)
        votes = tree.xpath(constants.VOTES_SELECTOR)
        comments_count = tree.xpath(constants.COMMENTS_SELECTOR)
        likes = 0  # self.fb_social_plugin_get_likes(tree, url)
        if title and content_text and rating and votes:
            print title[0].text
            print content_text
            print rating[0].text
            print votes[0].text
            if comments_count:
                print comments_count[0].text
                count = comments_count[0].text.split(" ")[0]
                if count == "No":
                    count = 0
            else:
                count = 0
            print count

            return {
                "title": title[0].text,
                "content": content_text,
                "rating": rating[0].text,
                "votes": votes[0].text,
                "likes": likes,
                "url": url,
                "comments_count": count,
            }

        return None

        # self.get_comments(url)

    def fb_social_plugin_get_likes(self, tree, joke_url):
        # TODO
        likes = tree.xpath("/html//div[@data-href='" + joke_url + "']")
        print likes
        if likes:
            print likes[0].attrib
            print "Requesting to facebook " + likes[0].attrib["fb-iframe-plugin-query"]
            url = likes[0].attrib["fb-iframe-plugin-query"]
            req = urllib2.Request(url=url, headers={"User-Agent": constants.USER_AGENT})

            response = urllib2.urlopen(req)
            html_parser = etree.HTMLParser()
            tree = etree.parse(response, html_parser)
            likes_count = tree.xpath("/html//span[@class='pluginCountTextDisconnected']")
            if likes_count:
                print "Likes " + likes_count[0].text
                count = likes_count[0].text
            else:
                count = 0
            print count
            return count

    def save_joke_to_db(self, joke_data, category):
        joke_id = self.get_joke_id(joke_data["title"])
        if joke_id is None:
            print "New Joke. Inserting into db"
            self.insert_joke_in_db(joke_data)
        elif joke_data["title"] not in self.jokes_set:
            print "New scanning of joke"
            self.update_joke_in_db(joke_id, joke_data)
            self.jokes_set.add(joke_data["title"])

        if not self.joke_in_category(joke_id, category):
            print "Joke not present in category " + category["name"]
            self.add_joke_to_category(joke_data, category)

    def get_joke_id(self, joke_title):
        print "Getting joke id"
        self.storage.connect()
        jokes = meta.tables["joke"]
        query = sqlalchemy.select([jokes.c.id]).where(jokes.c.title == joke_title)
        results = self.storage.execute(query)
        self.storage.disconnect()
        for result in results:
            print result["id"]
            return result["id"]
        return None

    def insert_joke_in_db(self, data):
        self.storage.insert("joke", data)

    def update_joke_in_db(self, joke_id, joke_data):
        self.storage.connect()
        jokes = meta.tables["joke"]
        query = sqlalchemy.update(jokes).where(jokes.c.id == joke_id).values(joke_data)
        print query
        self.storage.execute(query)
        self.storage.disconnect()

    def joke_in_category(self, joke_id, category):
        self.storage.connect()
        jokes_categories = meta.tables["joke_category"]
        query = sqlalchemy.select([jokes_categories.c.id]).where(
            and_(jokes_categories.c.joke_id == joke_id, jokes_categories.c.subcategory_id == category["id"])
        )
        results = self.storage.execute(query)
        self.storage.disconnect()
        for result in results:
            print result["id"]
            return True
        return False

    def add_joke_to_category(self, joke_data, category):
        joke_id = self.get_joke_id(joke_data["title"])
        insert_data = {"joke_id": joke_id, "subcategory_id": category["id"]}
        self.storage.insert("jokes_categories", insert_data)

    def get_comments(self, url):
        # TODO find out how comments are loaded

        req = urllib2.Request(url="{0}/#discuss_thread".format(url), headers={"User-Agent": constants.USER_AGENT})
        response = urllib2.urlopen(req)
        print response.read()

        # html_parser = etree.HTMLParser()
        # tree = etree.parse(response, html_parser)
        #
        # posts = tree.xpath(constants.COMMENTS_SELECTOR)
        # print posts
        # for post in posts:
        #     author = post.xpath("//span[@class='author]")[0]
        #     timestamp = post.xpath("//a[@class='time-ago']")[0]
        #     content = post.xpath("//div[@class='post-message']/p[1]")[0]
        #
        #     print author.text
        #     print timestamp.text
        #     print content.text

    def save_json(self, json_resp):
        self.create_directory()
        print "Saving json to disk..."
        with open(u"{0}/json/response.json".format(self.path), "w") as f:
            json.dump(json_resp, f)

    def parse(self, json_resp):
        authors = json_resp["d"]["Author"]["Result"]
        return authors

    def get_category_id(self, storage, name):
        storage.connect()
        categories = meta.tables["category"]
        query = sqlalchemy.select([categories.c.id]).where(categories.c.name == name)
        results = storage.execute(query)
        storage.disconnect()
        for result in results:
            print result["id"]
            return result["id"]

    def save_to_db(self):
        storage = Storage()
        print "Saving categories to db..."
        map(lambda category: self.save_category_to_db(category, storage), self.categories)

    def save_category_to_db(self, category, storage):
        storage.connect()
        categories_table = meta.tables["category"]
        insert_data = {"name": category["name"], "url": category["url"]}

        query = sqlalchemy.insert(categories_table, insert_data)
        print query
        storage.execute(query)
        storage.disconnect()

        category_id = self.get_category_id(storage, category["name"])

        storage.connect()
        subcategories_table = meta.tables["subcategory"]
        for subcategory in category["subcategories"]:
            query = sqlalchemy.insert(
                subcategories_table,
                {"name": subcategory["name"], "url": subcategory["url"], "category_id": category_id},
            )
            print query
            storage.execute(query)

        storage.disconnect()

    def print_unicode(self, string):
        try:
            print string
        except UnicodeEncodeError as e:
            print u"Unicode Error: {0}".format(e.encoding)
Exemplo n.º 6
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class JokesXmlCreator:
    def __init__(self, out_dir):
        self.out_dir = out_dir
        self.storage = Storage()

    def save_jokes(self):
        jokes = self.load_jokes_from_db()

        for idx, joke in  enumerate([joke for joke in jokes if not joke['content'].isspace()]):
            self.save_joke(idx, joke)


    def load_jokes_from_db(self):
        self.storage.connect()
        jokes = meta.tables['joke']
        query = sqlalchemy.select([jokes.c.id,
                                   jokes.c.title,
                                   jokes.c.content,
                                   jokes.c.rating,
                                   jokes.c.votes,
                                   jokes.c.url,
                                   jokes.c.comments_count])

        results = self.storage.execute(query)
        self.storage.disconnect()

        return results

    def save_joke(self, idx, joke):
        print "Saving joke " + joke["title"]
        self.storage.connect()
        joke_data = dict(joke.items())
        joke_data['categories'] = []

        jokes_categories = meta.tables['joke_category']
        subcategories = meta.tables['subcategory']
        categories = meta.tables['category']
        query = sqlalchemy.select([subcategories.c.id.label("subcategory_id"),
                                   categories.c.id.label("category_id"),
                                   subcategories.c.name.label("subcategory_name"),
                                   categories.c.name.label("category_name")]).where(
            and_(
                joke["id"] == jokes_categories.c.joke_id,
                jokes_categories.c.subcategory_id == subcategories.c.id,
                subcategories.c.category_id == categories.c.id
                )

        )

        print query
        results = self.storage.execute(query)
        self.storage.disconnect()

        for result in results:
            print result
            joke_data['categories'].append({'category_id': str(result['category_id']),
                                    'subcategory_id': str(result['subcategory_id']),
                                    'category_name': result['category_name'],
                                    'subcategory_name': result['subcategory_name']})
        print joke_data

        self.save_joke_on_disk(idx, joke_data)

    def save_joke_on_disk(self, idx, joke):
        if not os.path.exists(self.out_dir):
            os.makedirs(self.out_dir)
        with open("{0}/joke-{1}.json".format(self.out_dir, idx), "w") as f:
            data = json.dumps(joke, encoding='utf-8', ensure_ascii=False)
            f.write(data.encode("utf-8"))
        with open("{0}/joke-{1}.xml".format(self.out_dir, idx), "w") as f:
            dicttoxml.set_debug()
            joke['votes'] = str(joke['votes'])
            joke['id'] = str(joke['id'])
            joke['comments_count'] = str(joke['comments_count'])
            xml = dicttoxml.dicttoxml(joke)
            f.write(xml.encode('utf-8'))
Exemplo n.º 7
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 def save_to_db(self, authors):
     storage = Storage()
     storage.connect()
     print "Saving authors to db..."
     map(lambda author: self.save_author_to_db(author, storage), authors)
     storage.disconnect()
 def save_to_db(self, authors):
     storage = Storage()
     storage.connect()
     print "Saving authors to db..."
     map(lambda author: self.save_author_to_db(author, storage), authors)
     storage.disconnect()