delint
eric
parent
1425b29d49
commit
957cf615b4
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@ -2,11 +2,12 @@ import csv
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import HTMLParser
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import httplib
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import logging
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import mechanize
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import re
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from datetime import datetime
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import mechanize
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import requests
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from datetime import datetime
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from regluit.core import models
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logger = logging.getLogger(__name__)
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@ -40,43 +41,59 @@ class LibraryThing(object):
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def parse_csv(self):
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h = HTMLParser.HTMLParser()
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reader = csv.DictReader(self.csv_handle)
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# There are more fields to be parsed out. Note that there is a second author column to handle
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for (i,row) in enumerate(reader):
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# There are more fields to be parsed out. Note that there is a
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# second author column to handle
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for (i, row) in enumerate(reader):
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# ISBNs are written like '[123456789x]' in the CSV, suggesting possibility of a list
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m = re.match(r'^\[(.*)\]$', row["'ISBNs'"])
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if m:
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isbn = m.group(1).split()
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else:
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isbn = []
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yield {'title':h.unescape(row["'TITLE'"]), 'author':h.unescape(row["'AUTHOR (first, last)'"]),
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'isbn':isbn, 'comment':row["'COMMENT'"],
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'tags':row["'TAGS'"], 'collections':row["'COLLECTIONS'"],
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'reviews':h.unescape(row["'REVIEWS'"])}
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yield {
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'title':h.unescape(row["'TITLE'"]),
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'author':h.unescape(row["'AUTHOR (first, last)'"]),
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'isbn':isbn,
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'comment':row["'COMMENT'"],
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'tags':row["'TAGS'"],
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'collections':row["'COLLECTIONS'"],
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'reviews':h.unescape(row["'REVIEWS'"])
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}
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def viewstyle_1(self, rows):
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for (i,row) in enumerate(rows):
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for (i, row) in enumerate(rows):
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book_data = {}
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cols = row.xpath('td')
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# cover
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book_data["cover"] = {"cover_id":cols[0].attrib["id"],
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"image": {"width":cols[0].xpath('.//img')[0].attrib['width'],
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"src": cols[0].xpath('.//img')[0].attrib['src']}
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book_data["cover"] = {
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"cover_id":cols[0].attrib["id"],
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"image": {
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"width":cols[0].xpath('.//img')[0].attrib['width'],
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"src": cols[0].xpath('.//img')[0].attrib['src']
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}
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}
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# title
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book_data["title"] = {"href":cols[1].xpath('.//a')[0].attrib['href'],
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"title":cols[1].xpath('.//a')[0].text}
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book_data["title"] = {
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"href":cols[1].xpath('.//a')[0].attrib['href'],
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"title":cols[1].xpath('.//a')[0].text
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}
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# extract work_id and book_id from href
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try:
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(book_data["work_id"], book_data["book_id"]) = re.match("^/work/(.*)/book/(.*)$",book_data["title"]["href"]).groups()
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(book_data["work_id"], book_data["book_id"]) = re.match(
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"^/work/(.*)/book/(.*)$",
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book_data["title"]["href"]
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).groups()
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except:
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(book_data["work_id"], book_data["book_id"]) = (None, None)
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# author -- what if there is more than 1? or none?
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try:
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book_data["author"] = {"display_name":cols[2].xpath('.//a')[0].text,
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"href":cols[2].xpath('.//a')[0].attrib['href'],
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"name":cols[2].xpath('div')[0].text}
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book_data["author"] = {
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"display_name":cols[2].xpath('.//a')[0].text,
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"href":cols[2].xpath('.//a')[0].attrib['href'],
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"name":cols[2].xpath('div')[0].text
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}
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except:
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book_data["author"] = None
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@ -91,13 +108,15 @@ class LibraryThing(object):
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book_data["rating"] = len(cols[5].xpath('.//img[@alt="*"]'))
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# entry date
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book_data["entry_date"] = datetime.date(datetime.strptime(cols[6].xpath('span')[0].text, "%b %d, %Y"))
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book_data["entry_date"] = datetime.date(
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datetime.strptime(cols[6].xpath('span')[0].text, "%b %d, %Y")
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)
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yield book_data
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def viewstyle_5(self, rows):
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# implement this view to get at the ISBNs
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for (i,row) in enumerate(rows):
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for (i, row) in enumerate(rows):
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book_data = {}
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cols = row.xpath('td')
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@ -107,7 +126,10 @@ class LibraryThing(object):
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# extract work_id and book_id from href
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try:
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(book_data["work_id"], book_data["book_id"]) = re.match("^/work/(.*)/book/(.*)$",book_data["title"]["href"]).groups()
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(book_data["work_id"], book_data["book_id"]) = re.match(
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"^/work/(.*)/book/(.*)$",
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book_data["title"]["href"]
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).groups()
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except:
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(book_data["work_id"], book_data["book_id"]) = (None, None)
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@ -145,12 +167,12 @@ class LibraryThing(object):
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# we can vary viewstyle to get different info
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IMPLEMENTED_STYLES = [1,5]
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IMPLEMENTED_STYLES = [1, 5]
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COLLECTION = 2 # set to get All Collections
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if view_style not in IMPLEMENTED_STYLES:
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raise NotImplementedError()
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style_parser = getattr(self,"viewstyle_%s" % view_style)
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style_parser = getattr(self, "viewstyle_%s" % view_style)
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next_page = True
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offset = 0
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cookies = None
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@ -160,8 +182,9 @@ class LibraryThing(object):
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cookies = r.cookies
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while next_page:
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url = "https://www.librarything.com/catalog_bottom.php?view=%s&viewstyle=%d&collection=%d&offset=%d" % (self.username,
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view_style, COLLECTION, offset)
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url = "https://www.librarything.com/catalog_bottom.php?view=%s&viewstyle=%d&collection=%d&offset=%d" % (
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self.username, view_style, COLLECTION, offset
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)
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logger.info("url: %s", url)
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if cookies is None:
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r = requests.get(url)
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@ -178,13 +201,16 @@ class LibraryThing(object):
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# 1 - 50 of 82
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try:
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count_text = etree.xpath('//td[@class="pbGroup"]')[0].text
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total = int(re.search(r'(\d+)$',count_text).group(1))
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total = int(re.search(r'(\d+)$', count_text).group(1))
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logger.info('total: %d', total)
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except Exception, e: # assume for now that if we can't grab this text, there is no page bar and no books
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except Exception, e:
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# assume for now that if we can't grab this text,
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# there is no page bar and no books
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logger.info('Exception {0}'.format(e))
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total = 0
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# to do paging we can either look for a next link or just increase the offset by the number of rows.
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# to do paging we can either look for a next link or just increase the offset
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# by the number of rows.
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# Let's try the latter
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# possible_next_link = etree.xpath('//a[@class="pageShuttleButton"]')[0]
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@ -195,10 +221,11 @@ class LibraryThing(object):
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i = -1 # have to account for the problem of style_parser(rows) returning nothing
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for (i,row) in enumerate(style_parser(rows)):
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for (i, row) in enumerate(style_parser(rows)):
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yield row
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# page size = 50, first page offset = 0, second page offset = 50 -- if total = 50 no need to go
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# page size = 50, first page offset = 0, second page offset = 50
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# -- if total = 50 no need to go
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offset += i + 1
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if offset >= total:
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@ -206,7 +233,8 @@ class LibraryThing(object):
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def load_librarything_into_wishlist(user, lt_username, max_books=None):
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"""
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Load a specified LibraryThing shelf (by default: all the books from the LibraryThing account associated with user)
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Load a specified LibraryThing shelf (by default: all the books
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from the LibraryThing account associated with user)
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"""
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from regluit.core import bookloader
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@ -217,7 +245,7 @@ def load_librarything_into_wishlist(user, lt_username, max_books=None):
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lt = LibraryThing(lt_username)
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for (i,book) in enumerate(islice(lt.parse_user_catalog(view_style=5),max_books)):
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for (i, book) in enumerate(islice(lt.parse_user_catalog(view_style=5), max_books)):
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isbn = book["isbn"] # grab the first one
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logger.info("%d %s %s", i, book["title"]["title"], isbn)
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try:
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@ -227,13 +255,27 @@ def load_librarything_into_wishlist(user, lt_username, max_books=None):
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if not edition:
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continue
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# add the librarything ids to the db since we know them now
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identifier= models.Identifier.get_or_add(type = 'thng', value = book['book_id'], edition = edition, work = edition.work)
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identifier= models.Identifier.get_or_add(type = 'ltwk', value = book['work_id'], work = edition.work)
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identifier = models.Identifier.get_or_add(
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type='thng',
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value=book['book_id'],
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edition=edition,
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work=edition.work
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)
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identifier = models.Identifier.get_or_add(
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type='ltwk',
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value=book['work_id'],
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work=edition.work
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)
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if book['lc_call_number']:
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identifier= models.Identifier.get_or_add(type = 'lccn', value = book['lc_call_number'], edition = edition, work = edition.work)
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identifier = models.Identifier.get_or_add(
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type='lccn',
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value=book['lc_call_number'],
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edition=edition,
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work=edition.work
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)
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user.wishlist.add_work(edition.work, 'librarything', notify=True)
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if edition.new:
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tasks.populate_edition.delay(edition.isbn_13)
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logger.info("Work with isbn %s added to wishlist.", isbn)
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except Exception, e:
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logger.info ("error adding ISBN %s: %s", isbn, e)
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logger.info("error adding ISBN %s: %s", isbn, e)
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