Subversion Repositories SmartDukaan

'''

Created on 26-Aug-2011

@author: Varun Gupta

'''

import json, sys, os

cmd_folder = os.path.dirname(os.path.abspath(os.environ["HOME"] + "/code/trunk/PyProj/src/shop2020/"))

if cmd_folder not in sys.path:

    sys.path.insert(0, cmd_folder)

from shop2020.clients.CatalogClient import CatalogClient

CHARACTER_ENCODING = 'ISO-8859-1'

class BrandAndModelExtracter:

    def __init__(self):

        try:

            client = CatalogClient().get_client()

            self.brands = client.getAllBrandsByCategory(10001)

        except Exception:

            self.brands = ['Micromax', 'BlackBerry', 'Blackberry', 'Motorola', 'Alcatel', 'Sony Ericsson', 'Apple', \

                      'Spice', 'Nokia', 'HTC', 'Samsung', 'LG', 'Dell', 'Karbonn', 'Lava']

        self.brands.append('Blackberry') #To resolve issue of 'BlackBerry' and 'Blackberry'

    def extract(self, full_name):

        full_name = full_name.strip()

        for brand in self.brands:

            if full_name.startswith(brand):  return (brand, full_name.replace(brand, '').strip())

        return ("", full_name)

class DuplicateMappingTracker:

    def __init__(self):

        self.mapping = {}

    def track(self, url, entity_id):

        if url in self.mapping:

            self.mapping[url].append(entity_id)

        else:

            self.mapping[url] = [entity_id]

    def getDuplicateMappings(self):

        duplicate_mappings = {}

        for url, entities in duplicate_mappings.iteritems():

            if len(entities) > 1:

                duplicate_mappings[url] = entities

        return duplicate_mappings

def getURLSource(url):

    try:

        return str(url.split('.')[1].strip())

    except Exception:

        return None

def isValidRule(rule):

    try:

        if rule is None:

            return False

        elif rule['url'] is None:

            return False

        elif rule['source'] is None:

            return False

        else:

            return True

    except KeyError:

        return False

def getItemsWithTopScore(items):

    filterd_items = []

    top_score = -1.0

    for item in items:

        if item['score'] >= top_score:

            filterd_items.append(item)

            top_score = item['score'] 

        else:

            return filterd_items

    return filterd_items

def isPriceSame(items):

    for i in range(0, items.__len__() - 1):

        if items[i]['price'] != items[i + 1]['price']:    return False

    return True

def getProductClusters(products):

    '''

    Receives a list of products (returned from search results) &

    returns a clustered dictionary, where products are grouped by

    the 'source'

    '''

    clustered_results = {'adexmart': [], 'flipkart': [], 'homeshop18': [], 'infibeam': [], 'snapdeal': []}

    for product in products:

        clustered_results[product['source']].append(product)

    return clustered_results

def getFilteredClustersWithTopScores(product_clusters):

    filtered_cluster = {}

    for source, products in product_clusters.iteritems():

        filtered_cluster[source] = getItemsWithTopScore(products)

    return filtered_cluster

def removePriceFormatting(price_string):

    return price_string.strip().replace('Rs.', '').replace('Rs', '').replace(',', '').replace(' ', '').replace(' ', '').split('.')[0]

def getSearchURL(source, name):

        search_urls = {

            'flipkart': 'http://www.flipkart.com/search-mobiles?query=$$&from=all&searchGroup=mobiles',

            'homeshop18': 'http://www.homeshop18.com/$$/search:$$/categoryid:3024',

            'adexmart': 'http://adexmart.com/search.php?orderby=position&orderway=desc&search_query=$$',

            'infibeam': 'http://www.infibeam.com/Mobiles/search?q=$$',

            'letsbuy': 'http://www.letsbuy.com/advanced_search_result.php?cPath=254&keywords=$$'

        }

        return search_urls[source].replace('$$', name)

def getDisplayInfo(filtered_cluster, product_name):

    display_info = {'adexmart': {}, 'flipkart': {}, 'homeshop18': {}, 'infibeam': {}, 'snapdeal': {}}

    for source, products in filtered_cluster.iteritems():

        if len(products) > 0:

            if isPriceSame(products):

                display_info[source]['price'] = products[0]['price']

                display_info[source]['data'] = None

                display_info[source]['url'] = products[0]['url']

                display_info[source]['text'] = removePriceFormatting(products[0]['price'])

                display_info[source]['title'] = products[0]['name']

            else:

                display_info[source]['price'] = None

                display_info[source]['data'] = json.dumps(products)

                display_info[source]['url'] = None

                display_info[source]['text'] = 'Conflict'

        else:

            display_info[source]['price'] = None

            display_info[source]['data'] = None

            display_info[source]['url'] = getSearchURL(source, product_name)

            display_info[source]['text'] = 'Not Found'

    return display_info

def getSynonyms():

    file_path = '/tmp/price-comp-dashboard/synonyms.json'

    file = open(file_path, 'r')

    synonyms_json = file.read()

    synonyms = {}

    for key, value in json.loads(synonyms_json).iteritems():

        list_synonyms = []

        if 'MODEL_NAME' in value:

            list_synonyms.extend(value['MODEL_NAME'])

        if 'MODEL_NUMBER' in value:

            list_synonyms.extend(value['MODEL_NUMBER'])

        synonyms[int(key)] = list_synonyms

    return synonyms

if __name__ == '__main__':

    extracter = BrandAndModelExtracter()

#    print extracter.extract('Nokia X5-01 (Pink)')

    print getSynonyms()