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web_crawler.py
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#-----------------------------------------
import mechanize
from lxml.cssselect import CSSSelector
import httplib2
import sys
import Queue
#import common
#reload(common)
from common import crawlerCommon
import itertools
import argparse
#----------------------------------------------------------------------------------
# Crawler config params for Anneklein
class AnnekleinConfig:
brand_name = "Anne Klein"
def __init__(self, _sale):
self.swl = crawlerCommon.SWLLogger('anneklein', 'debug', True, 'info')
self.sale_items_only = _sale
categoriesQ = crawlerCommon.IndexableQueue()
itemsQ = Queue.Queue()
nwio = crawlerCommon.NetworkIOManager()
sm = crawlerCommon.StatsManager("")
############################
#FetchCategories
############################
def FetchCategories(self, page_url, mapping_list, css_selector, sex):
self.swl.logdebug("FetchCategories - Entered function")
self.swl.loginfo("reading " + page_url)
h = crawlerCommon.NetworkIOManager.read_link(page_url, None)
anchor_tags_in_submenu = css_selector(h)
self.swl.loginfo("item count = " + str(len(anchor_tags_in_submenu)))
anchors_list = []
for item in anchor_tags_in_submenu:
self.swl.loginfo("item = " + str(item))
if isinstance(item.text, str):
self.swl.loginfo(item.text.strip().rstrip())
anchor_text = item.text_content().strip().rstrip()
anchor_url = item.get("href")
anchors_list.append({"anchor_text":anchor_text,
"anchor_url": anchor_url})
self.swl.logdebug("len(anchors_list) = " + str(len(anchors_list)))
for anchor in anchors_list:
self.swl.logdebug(anchor["anchor_text"])
found_items_counter = 0;
list_items_found = []
for anchor in anchors_list:
for k, v in mapping_list.iteritems():
titles_only = []
for entry in v:
titles_only.append(entry["title"])
if anchor["anchor_text"] in titles_only:
subcategory = ""
for entry in v:
if entry["title"] == anchor["anchor_text"]:
subcategory = entry["subcategory"]
self.swl.loginfo("Found *" + k + "* for " + anchor["anchor_text"])
self.categoriesQ.put({"sex":sex,
"category_url": anchor["anchor_url"],
"category_title":k,
"subcategory": subcategory
})
list_items_found.append(anchor["anchor_text"])
found_items_counter += 1
self.swl.loginfo(found_items_counter)
total_items_to_find = 0
list_items_to_find = []
for k, v in mapping_list.iteritems():
total_items_to_find += len(v)
list_items_to_find.append(v)
list_items_to_find = list(itertools.chain(*list_items_to_find))
self.swl.loginfo("Found " + str(found_items_counter) + "/" + str(total_items_to_find) + " items")
if (found_items_counter != total_items_to_find):
self.swl.logcritical("Category items missing")
raise crawlerCommon.SwlException(crawlerCommon.CATEGORIES_MISMATCH)
self.swl.loginfo("") #newline
#women only here
category_pages_women = []
#Menu : Main categies that dont have any subcategories
women_category_mapping1 = {
"Tops": (),
"Bottoms": (),
"Outerwear": ({"title" : "Jackets & Outerwear",
"subcategory" : ""},),
"Footwear": (),
"Accessories":(),
"Other": ({"title" : "New Arrivals",
"subcategory" : ""},
{"title" : "Leo Legacy",
"subcategory" : ""},
{"title" : "Suiting",
"subcategory" : ""},)
}
category_pages_women.append({
"mapping": women_category_mapping1,
"page_url":"http://www.anneklein.com/Dresses/90263425,default,sc.html",
"css_selector":CSSSelector("div #navlist li a"),
"listing_type":"regular"
})
#Menu : Shoes
women_category_mapping2 = {
"Tops": (),
"Bottoms": (),
"Outerwear": (),
"Footwear": ({"title" : "New Arrivals",
"subcategory" : "shoes"},
{"title" : "Pumps & Heels",
"subcategory" : "shoes"},
{"title" : "Sandals",
"subcategory" : "shoes"},
{"title" : "Flats",
"subcategory" : "shoes"}),
"Accessories":(),
"Other": ()
}
category_pages_women.append({
"mapping": women_category_mapping2,
"page_url":"http://www.anneklein.com/womens-shoes/90263428,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"regular"
})
#Menu : Handbags
women_category_mapping3 = {
"Tops": (),
"Bottoms": (),
"Outerwear": (),
"Footwear": (),
"Accessories":({"title" : "Satchels",
"subcategory" : "handbags"},
{"title" : "Totes",
"subcategory" : "handbags"},
{"title" : "Shoulder",
"subcategory" : "handbags"},
{"title" : "Cosmetic Cases",
"subcategory" : "handbags"},
{"title" : "Wallets",
"subcategory" : "handbags"}),
"Other": ()
}
category_pages_women.append({
"mapping": women_category_mapping3,
"page_url":"http://www.anneklein.com/Handbags/90263432,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"regular"
})
#Menu : Watches
women_category_mapping4 = {
"Tops": (),
"Bottoms": (),
"Outerwear": (),
"Footwear": (),
"Accessories":({"title" : "Leather",
"subcategory" : "watch"},
{"title" : "Color",
"subcategory" : "watch"},
{"title" : "Ceramic",
"subcategory" : "watch"},
{"title" : "Metals",
"subcategory" : "watch"},
{"title" : "Diamonds & Crystals",
"subcategory" : "watch"},
{"title" : "Tortoise & Horn",
"subcategory" : "watch"},
),
"Other": ()
}
category_pages_women.append({
"mapping": women_category_mapping4,
"page_url":"http://www.anneklein.com/womens-watches/90263431,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"regular"
})
#Menu : Jewelry
women_category_mapping5 = {
"Tops": (),
"Bottoms": (),
"Outerwear": (),
"Footwear": (),
"Accessories":({"title" : "Bracelets",
"subcategory" : "jewelry"},
{"title" : "Necklaces",
"subcategory" : "jewelry"},
{"title" : "Earrings",
"subcategory" : "jewelry"}),
"Other": ()
}
category_pages_women.append({
"mapping": women_category_mapping5,
"page_url":"http://www.anneklein.com/Jewelry/90263434,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"regular"
})
#Menu : Dresses
women_category_mapping6 = {
"Tops": (),
"Bottoms": (),
"Outerwear": (),
"Footwear": (),
"Accessories":(),
"Other": ({"title" : "Work",
"subcategory" : "dresses"},
{"title" : "Casual",
"subcategory" : "dresses"},
{"title" : "Evening",
"subcategory" : "dresses"})
}
category_pages_women.append({
"mapping": women_category_mapping6,
"page_url":"http://www.anneklein.com/Dresses/90263425,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"regular"
})
#Menu : Tops
women_category_mapping7 = {
"Tops": ({"title" : "Blouses & Shirts",
"subcategory" : "tops"},
{"title" : "Knits & Tees",
"subcategory" : "tops"},
{"title" : "Sweaters",
"subcategory" : "tops"}),
"Bottoms": (),
"Outerwear": (),
"Footwear": (),
"Accessories":(),
"Other": ()
}
category_pages_women.append({
"mapping": women_category_mapping7,
"page_url":"http://www.anneklein.com/Tops/90263441,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"regular"
})
#Menu : Bottoms
women_category_mapping8 = {
"Tops": (),
"Bottoms": ({"title" : "Pants",
"subcategory" : ""},
{"title" : "Jeans",
"subcategory" : ""},
{"title" : "Skirts",
"subcategory" : ""}),
"Outerwear": (),
"Footwear": (),
"Accessories":(),
"Other": ()
}
category_pages_women.append({
"mapping": women_category_mapping8,
"page_url":"http://www.anneklein.com/Bottoms/90263442,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"regular"
})
#Menu : Sale
women_category_mapping9 = {
"Tops": ({"title" : "Tops",
"subcategory" : ""},
),
"Bottoms": ({"title" : "Bottoms",
"subcategory" : ""},),
"Outerwear": ({"title" : "Jackets & Blazers",
"subcategory" : ""},
{"title" : "Outerwear",
"subcategory" : ""},
),
"Footwear": ({"title" : "Shoes",
"subcategory" : ""},),
"Accessories":({"title" : "Jewelry",
"subcategory" : ""},
{"title" : "Handbags",
"subcategory" : ""},),
"Other": ({"title" : "Dresses",
"subcategory" : ""},
{"title" : "Suiting",
"subcategory" : ""},)
}
category_pages_women.append({
"mapping": women_category_mapping9,
"page_url":"http://www.anneklein.com/Sale/90275671,default,sc.html",
"css_selector":CSSSelector("li.other ul li a"),
"listing_type":"sale"
})
server_root = "http://www.anneklein.com"
swllist = {
"root": {"title":"Anneklein",
"url": server_root
},
"sex":[
{"title":"women",
"categories":category_pages_women
}
]
}
############################
#fetchItemsQueue
############################
css_selector_string_for_item_box = CSSSelector("div.contentProduct")
def fetchItemsQueue(self, h):
if h == None:
return None
return self.css_selector_string_for_item_box(h)
############################
#findNextPageURL
############################
def findNextPageURL(self, h, page_num):
return None
############################
#findTotalPages
############################
def findTotalPages(self, h):
return 1
############################
#fetchItemURL
############################
css_selector_string_for_item_url = CSSSelector("a")
def fetchItemURL(self, h):
if h == None:
return None
temp = self.css_selector_string_for_item_url(h)
server_root = "anneklein.com" #Don't write 'http://' here; its appended in cleanURL
if len(temp) == 0:
return "?"
else:
item_url = self.nwio.cleanURL(self, server_root, temp[0].get("href"))
return item_url
############################
#fetchItemImageURL
############################
css_selector_string_for_item_image_url = CSSSelector("meta[property='og:image']")
def fetchItemImageURL(self, h):
if h == None:
return None
image_url = "?"
temp = self.css_selector_string_for_item_image_url(h)
server_root = "www.katespade.com" #Don't write 'http://' here; its appended in cleanURL
if len(temp) > 0:
image_url = self.nwio.cleanURL(self, server_root, temp[0].get("content"))
return image_url
############################
#fetchItemTitle
############################
css_selector_string_for_item_title = CSSSelector("h1.pNameHOne")
def fetchItemTitle(self, h):
if h == None:
return None
temp = self.css_selector_string_for_item_title(h)
if len(temp) == 0:
return "?"
else:
return temp[0].text.strip()
############################
#fetchItemPrice
############################
css_selector_string_for_item_regular_price = CSSSelector("span.productListPrice.noSalePrices")
css_selector_string_for_item_regular_onSale_previous = CSSSelector("span.productSalePrice.SalePrices")
css_selector_string_for_item_regular_onSale_current = CSSSelector("span.productListPrice.SalePrices.ListSalePrices")
def fetchItemPrice(self, h):
item_price = ""
item_sale_price = ""
price_array = []
_item_regular_price = self.css_selector_string_for_item_regular_price(h)
_item_regular_price_onsale_prev = self.css_selector_string_for_item_regular_onSale_previous(h)
_item_regular_price_onsale_current = self.css_selector_string_for_item_regular_onSale_current(h)
if _item_regular_price != None and len(_item_regular_price) > 0:
price_array.append(_item_regular_price[0].text.strip().lstrip())
elif _item_regular_price_onsale_prev != None and len(_item_regular_price_onsale_prev) > 0:
price_reg = _item_regular_price_onsale_prev[0].text.strip().lstrip()
price_reg = price_reg.split(" ")
price_array.append(price_reg[1])
else:
price_array.append("N/A")
if _item_regular_price_onsale_current != None and len(_item_regular_price_onsale_current) > 0:
price_sale = _item_regular_price_onsale_current[0].text.strip().lstrip()
price_sale = price_sale.split(" ")
price_array.append(price_sale[1])
if len(price_array) > 1:
item_price = price_array[1]
item_sale_price = price_array[0]
else:
item_price = price_array[0]
return {"price" : item_price , "sale_price" : item_sale_price}
############################
#fetchItemDetails
############################
css_selector_string_for_item_details1 = CSSSelector("div #descriptionHolder")
def fetchItemDetails(self, h):
if h == None:
return None
item_details = ""
temp1 = self.css_selector_string_for_item_details1(h)
if len(temp1) > 0:
item_details = temp1[0].text_content().strip().replace("\n\n\n", " ")
return item_details
############################
#fetchItemInfo
############################
def fetchItemInfo(self, item_box):
item_url = self.fetchItemURL(item_box)
self.swl.loginfo("item_url = " + item_url)
if item_url == None:
self.swl.logwarn("ITEM MISSING, SKIPPING")
return None
h = self.nwio.read_link(item_url)
item_image_url = self.fetchItemImageURL(h)
item_title = self.fetchItemTitle(h)
item_price_dict = self.fetchItemPrice(item_box) #Note: Passing item_box so that price is read from product's listing page and not details' page
item_details = self.fetchItemDetails(h)
brand = self.brand_name
item = {"item_url":item_url,
"image_url" : item_image_url,
"title" : item_title,
"price" : item_price_dict["price"],
"sale_price" : item_price_dict["sale_price"],
"brand" : brand,
"details" : item_details}
return item
############################
#PopulateItemsList
############################
def PopulateItemsList(self, items_boxes_list, current_sex, current_category, subcategory):
self.swl.loginfo("Items found on this page = " + str(len(items_boxes_list)))
item_counter = 0
total_items = str(len(items_boxes_list))
for item_box in items_boxes_list:
self.swl.loginfo(self.sm.PrintLatestStats())
info_dict = self.fetchItemInfo(item_box)
if info_dict == None:
continue
item = {"url" : info_dict["item_url"],
"image" : info_dict["image_url"],
"title" : info_dict["title"],
"subcategory": subcategory,
"price" : info_dict["price"],
"sale_price" : info_dict["sale_price"],
"brand" : info_dict["brand"],
"category" : current_category,
"sex" : current_sex,
"details" : info_dict["details"]}
crawlerCommon.DiskIOManager.DumpThisItem(item)
item_counter += 1
self.swl.loginfo("Fetched item # " + str(item_counter) + "/" + total_items)
############################
#crawl
############################
def crawl(self):
sys.stdout.write("[")
for sex in self.swllist["sex"]:
self.swl.logdebug(sex["title"])
categories_list = sex["categories"]
for category in categories_list:
category_page_url = category["page_url"]
category_mapping_list = category["mapping"]
css_selector = category["css_selector"]
if self.sale_items_only == True:
if category["listing_type"] == "sale":
self.swl.loginfo(category_page_url)
self.FetchCategories(category_page_url, category_mapping_list, css_selector, sex["title"])
else:
self.swl.loginfo(category_page_url)
self.FetchCategories(category_page_url, category_mapping_list, css_selector, sex["title"])
category_count = str(self.categoriesQ.qsize())
self.swl.loginfo("category_count = " + category_count)
for i in range(self.categoriesQ.qsize()):
now_category = i+1
category = self.categoriesQ[i]
current_page_url = category["category_url"]
category_title = category["category_title"]
category_sex = category["sex"]
subcategory = category['subcategory']
self.swl.loginfo("NOW ON CATEGORY " + str(now_category) + " Category Title = " + category_title)
self.swl.loginfo("current_page_url = " + current_page_url)
h = self.nwio.read_link(current_page_url, self.server_root)
current_page = 1
total_pages = 1
item_boxes_list = self.fetchItemsQueue(h)
number_of_items_per_page = len(item_boxes_list)
self.swl.logdebug("len(item_boxes_list) = " + str(number_of_items_per_page))
total_pages = self.findTotalPages(h)
self.swl.loginfo("total_pages = " + str(total_pages))
self.sm.SetLatestStats(now_category, category_count, str(current_page), str(total_pages))
self.swl.loginfo(self.sm.PrintLatestStats())
self.PopulateItemsList(item_boxes_list, category_sex, category_title, subcategory) #This will get all items from a category
sys.stdout.write("]")
#---------------------------------------------------------------------------------------
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--sale", help="optional argument to crawl only sale items - no option means all categories will be crawled",
action="store_true")
args = parser.parse_args()
if args.sale:
print "Fetching sale items only"
b = AnnekleinConfig(args.sale)
b.crawl()