/
scrapers.py
178 lines (154 loc) · 6.44 KB
/
scrapers.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
import hashlib
import datetime
from google.appengine.ext import webapp
from google.appengine.api.labs import taskqueue
from google.appengine.api import urlfetch
from google.appengine.api import images
import helpers
import models
class FeedQueueHandler(webapp.RequestHandler):
def get(self):
feeds = models.Feed.all()
for feed in feeds:
taskqueue.add(url='/scrape/feed', params={'name': feed.label, "url":feed.feed_url}, method='GET')
self.response.out.write(feed.label)
self.response.out.write("<br />")
class FeedHandler(webapp.RequestHandler):
def get(self):
url = self.request.get("url")
query = "select title, link, description, category.content, creator, pubDate, link from rss where url='"+ url +"'"
result = helpers.do_yql(query)
feed = models.Feed.get_by_key_name(url)
resulthash = hashlib.md5(str(result)).hexdigest()
feed.last_hash = resulthash
feed.last_scraped = datetime.datetime.today()
self.response.out.write(resulthash)
self.response.out.write("<br />")
self.response.out.write("<br />")
try:
for element in result['query']['results']['item']:
models.Item.get_or_insert(element['link'], item_url=element['link'], title=element['title'], category=element['category'], description=element['description'], byline=element['creator'], pubDate=element['pubDate'])
self.response.out.write(element['category'])
self.response.out.write("<br />")
self.response.out.write(element['description'])
self.response.out.write("<br />")
self.response.out.write(element['title'])
self.response.out.write("<br />")
self.response.out.write(element['pubDate'])
self.response.out.write("<br />")
self.response.out.write(element['creator'])
self.response.out.write("<br />")
self.response.out.write(element['link'])
self.response.out.write("<br />")
self.response.out.write("<br />")
except:
self.response.out.write("fail")
feed.put()
class SectionPageLinksQueue(webapp.RequestHandler):
def get(self):
sections = models.Section.all()
for section in sections:
taskqueue.add(url='/scrape/sectionpage', params={"url":section.section_url}, method='GET')
self.response.out.write(section.label)
self.response.out.write("<br />")
class SectionPageLinksHandler(webapp.RequestHandler):
def get(self):
url = self.request.get("url")
section = models.Section.get_by_key_name(url)
query = "select * from html where url = '"+ url +"' and xpath='//div[@id=\"main\"]//a'"
result = helpers.do_yql(query)
# self.response.out.write(result)
resulthash = hashlib.md5(str(result)).hexdigest()
section.last_hash = resulthash
section.last_scraped = datetime.datetime.today()
linklist = []
for link in result['query']['results']['a']:
if not "http://www.newsmill.se" in link['href']:
if not "http://www.pastan.nu" in link['href']:
if not "http://www.nyteknik.se" in link['href']:
if not "http://www.alltommotor.se" in link['href']:
if not "http://www.motimate.se" in link['href']:
if not "http://altfarm.mediaplex.com" in link['href']:
if not "http://affiliate.se.espotting.com" in link['href']:
if not "mailto:" in link['href']:
if "http://www.dn.se" in link['href']:
linkurl = link['href']
else:
linkurl = "http://www.dn.se" + link['href']
linkurl = linkurl.replace("#article-readers", "")
if linkurl not in linklist:
linklist.append(linkurl)
datekey = str(datetime.datetime.today()).replace("-", "").replace(" ", "")[0:10]
sectionkey = datekey + url
sectionpagelist = models.SectionPageList.get_or_insert(sectionkey, section=section, section_datekey=datekey, pagelist=linklist)
self.response.out.write(sectionkey + "<br />")
self.response.out.write(str(datetime.datetime.today()) + "<br />")
self.response.out.write(str(len(linklist)) + "<br />")
self.response.out.write(str(linklist) + "<br />")
section.put()
class ImageDetailsHandler(webapp.RequestHandler):
def get(self):
url = self.request.get("url")
item = models.Item.get_by_key_name(url)
query = "select src, height, width from html where url='"+ url +"' and xpath='//div[@id=\"main\"]//img' and height > 200 and width > 200"
result = helpers.do_yql(query)
self.response.out.write(url)
self.response.out.write("<br />")
imgurl = False
try:
element = result['query']['results']['img'][0]
if "www.dn.se" in element['src']:
imgurl = element['src']
else:
imgurl = "http://www.dn.se%s" % (element['src'])
self.response.out.write("<img src=\"%s\"/>" % imgurl)
if imgurl:
item.img_url = imgurl
else:
item.img_url = False
item.put()
self.response.out.write("<br />")
self.response.out.write(imgurl)
except:
self.response.out.write(result)
self.response.out.write("<br />")
if item:
self.response.out.write("is an item")
taskqueue.add(url='/scrape/imagecache', params={"url":item.item_url, "imgurl":imgurl}, method='GET')
else:
self.response.out.write("scrape item")
self.response.out.write("<br />")
class ImageDetailsQueue(webapp.RequestHandler):
def get(self):
items = models.Item.all().filter('img_url =', None)
for item in items:
taskqueue.add(url='/scrape/imagedetails', params={"url":item.item_url}, method='GET')
self.response.out.write(item.item_url + "<br />")
class ImageCacheHandler(webapp.RequestHandler):
def get(self):
url = self.request.get("url")
imgurl = self.request.get("imgurl")
if imgurl != "False":
item = models.Item.get_by_key_name(url)
request = urlfetch.fetch(url=imgurl, method=urlfetch.GET)
image = helpers.crop_image(request.content, 200)
if image:
if item:
item.img = image
item.has_img = True
item.img_scraped = True
item.put()
self.response.headers['Content-Type'] = 'image/jpeg'
self.response.out.write(image)
class TextRetrievalHandler(webapp.RequestHandler):
def get(self):
url = self.request.get("url")
request = urlfetch.fetch(url=url, method=urlfetch.GET)
self.response.out.write(request.content.replace("a href=\"http://www.dn.se/\"", "a href=\"http://localhost:8116/scrape/text?url=http://www.dn.se/\""))
class TermRetrievalHandler(webapp.RequestHandler):
def get(self):
context = """
"""
query = "http://search.yahooapis.com/ContentAnalysisService/V1/termExtraction?appid=dzuTJH3V34F6pTHQnDGtWt_adJnFoFh70qERrfH5PyTaWUq8mS9BJAsL7VT9fZI&context=%s" % context
request = urlfetch.fetch(url=url, method=urlfetch.GET)
self.response.out.write(request.content)