def finalized(self):
"""Sends an email to admins indicating this Pipeline has completed.
For developer convenience. Automatically called from finalized for root
Pipelines that do not override the default action.
"""
status = "successful"
if self.was_aborted:
status = "aborted"
url = memcache.get("url")
email = memcache.get("email")
base_dir = os.path.realpath(os.path.dirname(__file__))
# Configure jinja for internal templates
env = Environment(
autoescape=True,
extensions=["jinja2.ext.i18n"],
loader=FileSystemLoader(os.path.join(base_dir, "templates")),
)
subject = "Your Fetcher Job is " + status
crawl_db_datum = crawl_db_datums = CrawlDbDatum.query(CrawlDbDatum.url == url).fetch()
crawl_db_datum = crawl_db_datums[0]
content_db_datums = ContentDbDatum.query(ancestor=crawl_db_datum.key).fetch_async()
fetched_db_datums = FetchedDbDatum.query(ancestor=crawl_db_datum.key).fetch()
attachments = []
if len(fetched_db_datums) > 0:
fetched_db_datum = fetched_db_datums[0]
attachments.append(("fetched_content.html", fetched_db_datum.fetched_content))
link_db_datums = LinkDbDatum.query(ancestor=crawl_db_datum.key).fetch_async()
html = env.get_template("mail_template.html").render(url=url, contents=content_db_datums, links=link_db_datums)
attachments.append(("sendmail.html", html))
sender = "*****@*****.**"
mail.send_mail(
sender=sender, to=email, subject=subject, body="FetchResults", html=html, attachments=attachments
)
def htmlParser(key, content):
outlinks = re.findall(r'href=[\'"]?([^\'" >]+)', content)
link_datums = []
for link in outlinks:
link_datum = LinkDbDatum(parent=key, link_url=link)
link_datums.append(link_datum)
ndb.put_multi_async(link_datums)
content_links = re.findall(r'src=[\'"]?([^\'" >]+)', content)
return content_links
def testFetchEndToEnd(self):
"""Test for through of fetcher job"""
createMockCrawlDbDatum("http://foo.com/bar.html")
static_robots = "User-agent: test\nDisallow: /content_0\nDisallow: /content_1\nDisallow: /content_3"
self.setReturnValue(url="http://foo.com/robots.txt",
content=static_robots,
headers={"Content-Length": len(static_robots)})
#static resource is read from resource
resource = self.getResource("sample_content.html")
static_content = resource.read()
static_content_length = len(static_content)
self.setReturnValue(url="http://foo.com/bar.html",
content=static_content,
headers={
"Content-Length": static_content_length,
"Content-Type": "text/html"
})
resource_image = self.getResource("slide1.png")
static_content_image = resource_image.read()
static_content_length = len(static_content_image)
self.setReturnValue(url="http://foo.com/images/slide1.png",
content=static_content_image,
headers={
"Content-Length": static_content_length,
"Content-Type": "image/png"
})
p = pipelines.FetcherPipeline(
"FetcherPipeline",
params={"entity_kind": "lakshmi.datum.CrawlDbDatum"},
parser_params={"text/html": __name__ + ".htmlParser"},
shards=2)
p.start()
test_support.execute_until_empty(self.taskqueue)
crawl_db_datums = CrawlDbDatum.query(
CrawlDbDatum.url == "http://foo.com/bar.html").fetch()
crawl_db_datum = crawl_db_datums[0]
self.assertTrue(pipelines.FETCHED, crawl_db_datum.last_status)
fetched_db_datums = FetchedDbDatum.query(
ancestor=crawl_db_datum.key).fetch()
fetched_db_datum = fetched_db_datums[0]
self.assertTrue(fetched_db_datum is not None)
self.assertTrue("http://foo.com/bar.html",
fetched_db_datum.fetched_url)
link_db_datums = LinkDbDatum.query(ancestor=crawl_db_datum.key).fetch()
self.assertTrue(len(link_db_datums) > 0)
contents_db_datums = ContentDbDatum.query(
ancestor=crawl_db_datum.key).fetch()
self.assertTrue(len(contents_db_datums) > 0)
def testFetchEndToEnd(self):
"""Test for through of fetcher job"""
createMockCrawlDbDatum("http://foo.com/bar.html")
static_robots = "User-agent: test\nDisallow: /content_0\nDisallow: /content_1\nDisallow: /content_3"
self.setReturnValue(url="http://foo.com/robots.txt",
content=static_robots,
headers={"Content-Length": len(static_robots)})
#static resource is read from resource
resource = self.getResource("sample_content.html")
static_content = resource.read()
static_content_length = len(static_content)
self.setReturnValue(url="http://foo.com/bar.html",
content=static_content,
headers={"Content-Length": static_content_length,
"Content-Type": "text/html"})
resource_image = self.getResource("slide1.png")
static_content_image = resource_image.read()
static_content_length = len(static_content_image)
self.setReturnValue(url="http://foo.com/images/slide1.png",
content=static_content_image,
headers={"Content-Length": static_content_length,
"Content-Type": "image/png"})
p = pipelines.FetcherPipeline("FetcherPipeline",
params={
"entity_kind": "lakshmi.datum.CrawlDbDatum"
},
parser_params={
"text/html": __name__ + ".htmlParser"
},
shards=2)
p.start()
test_support.execute_until_empty(self.taskqueue)
crawl_db_datums = CrawlDbDatum.query(CrawlDbDatum.url=="http://foo.com/bar.html").fetch()
crawl_db_datum = crawl_db_datums[0]
self.assertTrue(pipelines.FETCHED, crawl_db_datum.last_status)
fetched_db_datums = FetchedDbDatum.query(ancestor=crawl_db_datum.key).fetch()
fetched_db_datum = fetched_db_datums[0]
self.assertTrue(fetched_db_datum is not None)
self.assertTrue("http://foo.com/bar.html", fetched_db_datum.fetched_url)
link_db_datums = LinkDbDatum.query(ancestor=crawl_db_datum.key).fetch()
self.assertTrue(len(link_db_datums)>0)
contents_db_datums = ContentDbDatum.query(ancestor=crawl_db_datum.key).fetch()
self.assertTrue(len(contents_db_datums)>0)
def finalized(self):
"""Sends an email to admins indicating this Pipeline has completed.
For developer convenience. Automatically called from finalized for root
Pipelines that do not override the default action.
"""
status = 'successful'
if self.was_aborted:
status = 'aborted'
url = memcache.get("url")
email = memcache.get("email")
base_dir = os.path.realpath(os.path.dirname(__file__))
# Configure jinja for internal templates
env = Environment(autoescape=True,
extensions=['jinja2.ext.i18n'],
loader=FileSystemLoader(
os.path.join(base_dir, 'templates')))
subject = "Your Fetcher Job is " + status
crawl_db_datum = crawl_db_datums = CrawlDbDatum.query(
CrawlDbDatum.url == url).fetch()
crawl_db_datum = crawl_db_datums[0]
content_db_datums = ContentDbDatum.query(
ancestor=crawl_db_datum.key).fetch_async()
fetched_db_datums = FetchedDbDatum.query(
ancestor=crawl_db_datum.key).fetch()
attachments = []
if len(fetched_db_datums) > 0:
fetched_db_datum = fetched_db_datums[0]
attachments.append(
("fetched_content.html", fetched_db_datum.fetched_content))
link_db_datums = LinkDbDatum.query(
ancestor=crawl_db_datum.key).fetch_async()
html = env.get_template("mail_template.html").render(
url=url, contents=content_db_datums, links=link_db_datums)
attachments.append(("sendmail.html", html))
sender = "*****@*****.**"
mail.send_mail(sender=sender,
to=email,
subject=subject,
body="FetchResults",
html=html,
attachments=attachments)