def __init__(self, verbose=False, quiet=True): Connector_Web.__init__(self, verbose=verbose, quiet=quiet) self.quiet = quiet self.read_configfiles() self.queue = True
def etl_document(self, uri):
result = True
doc_mtime = self.exporter.get_lastmodified(docid=uri)
if doc_mtime:
if self.verbose:
print(
"Annotated document in search index. No new indexing of {}"
.format(uri))
else:
# Download and Index the new or updated uri
if self.verbose:
print(
"Annotated document not in search index. Start indexing of {}"
.format(uri))
try:
etl = Connector_Web()
etl.index(uri=uri)
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write("Exception while getting {} : {}".format(
uri, e))
result = False
return result
def __init__(self, verbose=False, quiet=True):
Connector_Web.__init__(self, verbose=verbose, quiet=quiet)
self.quiet = quiet
self.read_configfiles()
self.queue = True
def etl_document(self, uri):
result = True
doc_mtime = self.exporter.get_lastmodified(docid=uri)
if doc_mtime:
if self.verbose:
print ("Annotated document in search index. No new indexing of {}".format(uri))
else:
# Download and Index the new or updated uri
if self.verbose:
print ("Annotated document not in search index. Start indexing of {}".format(uri))
try:
etl = Connector_Web()
etl.index(uri=uri)
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write( "Exception while getting {} : {}".format(uri, e) )
result = False
return result
def etl_document(uri):
result = True
doc_mtime = exporter.get_lastmodified(docid=uri)
if doc_mtime:
if verbose:
print ("Article indexed before, so skip new indexing: {}".format(uri))
else:
# Download and Index the new or updated uri
if verbose:
print ("Annotated page not in index: {}".format(uri))
try:
etl = Connector_Web()
etl.index(uri=uri)
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write( "Exception while getting {} : {}".format(uri, e) )
result = False
return result
def index(self, uri):
result = True
exporter = export_solr.export_solr()
feed = feedparser.parse(uri)
new_items = 0
for item in feed.entries:
articleuri = item.link
#
# Is new article or indexed in former runs?
#
doc_mtime = exporter.get_lastmodified(docid=articleuri)
if doc_mtime:
if self.verbose:
print(
"Article indexed before, so skip new indexing: {}".format(articleuri))
else:
# Download and Index the new or updated uri
if self.verbose:
print("Article not in index: {}".format(articleuri))
try:
partresult = Connector_Web.index(self, uri=articleuri)
if partresult == False:
result = False
new_items += 1
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write(
"Exception while getting {} : {}".format(articleuri, e))
if new_items:
exporter.commit()
return result
def index(self, sitemap):
if self.verbose or self.quiet == False:
print("Downloading sitemap {}".format(sitemap))
sitemap = urllib.request.urlopen(sitemap)
et = ElementTree.parse(sitemap)
root = et.getroot()
# process subsitemaps if sitemapindex
for sitemap in root.findall(
"{http://www.sitemaps.org/schemas/sitemap/0.9}sitemap"):
url = sitemap.findtext(
'{http://www.sitemaps.org/schemas/sitemap/0.9}loc')
if self.verbose or self.quiet == False:
print("Processing subsitemap {}".format(url))
self.index(url)
#
# get urls if urlset
#
urls = []
# XML schema with namespace sitemaps.org
for url in root.findall(
"{http://www.sitemaps.org/schemas/sitemap/0.9}url"):
url = url.findtext(
'{http://www.sitemaps.org/schemas/sitemap/0.9}loc')
urls.append(url)
# XML schema with namespace Google sitemaps
for url in root.findall(
"{http://www.google.com/schemas/sitemap/0.84}url"):
url = url.findtext(
'{http://www.google.com/schemas/sitemap/0.84}loc')
urls.append(url)
# Queue or download and index the urls
for url in urls:
if self.queue:
# add webpage to queue as Celery task
try:
if self.verbose or self.quiet == False:
print("Adding URL to queue: {}".format(url))
result = tasks.index_web.delay(uri=url)
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write(
"Exception while adding to queue {} : {}\n".format(
url, e))
else:
# batchmode, index page after page ourselves
try:
if self.verbose or self.quiet == False:
print("Indexing {}".format(url))
result = Connector_Web.index(self, uri=url)
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write(
"Exception while indexing {} : {}\n".format(url, e))
app = Celery('etl.tasks', broker=broker)
app.conf.CELERY_QUEUES = [
Queue('tasks',
Exchange('tasks'),
routing_key='tasks',
queue_arguments={'x-max-priority': 10})
]
app.conf.CELERYD_MAX_TASKS_PER_CHILD = 1
app.conf.CELERYD_PREFETCH_MULTIPLIER = 1
app.conf.CELERY_ACKS_LATE = True
etl_delete = Delete()
etl_web = Connector_Web()
etl_rss = Connector_RSS()
#
# Delete document with URI from index
#
@app.task(name='etl.delete')
def delete(uri):
etl_delete.delete(uri=uri)
#
# Index a file
#
def index (self, sitemap):
if self.verbose or self.quiet==False:
print ( "Downloading sitemap {}".format(sitemap) )
sitemap = urllib.request.urlopen(sitemap)
et = ElementTree.parse(sitemap)
root = et.getroot()
# process subsitemaps if sitemapindex
for sitemap in root.findall("{http://www.sitemaps.org/schemas/sitemap/0.9}sitemap"):
url = sitemap.findtext('{http://www.sitemaps.org/schemas/sitemap/0.9}loc')
if self.verbose or self.quiet==False:
print ("Processing subsitemap {}".format(url) )
self.index(url)
#
# get urls if urlset
#
urls=[]
# XML schema with namespace sitemaps.org
for url in root.findall("{http://www.sitemaps.org/schemas/sitemap/0.9}url"):
url = url.findtext('{http://www.sitemaps.org/schemas/sitemap/0.9}loc')
urls.append(url)
# XML schema with namespace Google sitemaps
for url in root.findall("{http://www.google.com/schemas/sitemap/0.84}url"):
url = url.findtext('{http://www.google.com/schemas/sitemap/0.84}loc')
urls.append(url)
# Queue or download and index the urls
for url in urls:
if self.queue:
# add webpage to queue as Celery task
try:
if self.verbose or self.quiet==False:
print ("Adding URL to queue: {}".format(url) )
result = tasks.index_web.delay(uri=url)
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write( "Exception while adding to queue {} : {}\n".format(url, e) )
else:
# batchmode, index page after page ourselves
try:
if self.verbose or self.quiet==False:
print ("Indexing {}".format(url) )
result = Connector_Web.index(self, uri=url)
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write( "Exception while indexing {} : {}\n".format(url, e) )
# ETL connectors
from etl import ETL
from etl_delete import Delete
from etl_file import Connector_File
from etl_web import Connector_Web
from etl_rss import Connector_RSS
verbose = True
quiet = False
app = Celery('etl.tasks')
app.conf.CELERYD_MAX_TASKS_PER_CHILD = 1
etl_delete = Delete()
etl_web = Connector_Web()
etl_rss = Connector_RSS()
#
# Delete document with URI from index
#
@app.task(name='etl.delete')
def delete(uri):
etl_delete.delete(uri=uri)
#
# Index a file
#
def index(self, uri):
result = True
# todo: result to false if getting/parsing uri failed
exporter = export_solr.export_solr()
feed = feedparser.parse(uri)
for item in feed.entries:
articleuri = item.link
mtime = None
#get modification time from file todo: from download
try:
mtime = dateparser.parse(item.published)
# maybe there was a update
try:
if item.updated:
mtime = dateparser.parse(item.updated)
except BaseException as e:
sys.stderr.write(
"Exception while parsing updated date. Status: {}\n".
format(e.message))
except BaseException as e:
sys.stderr.write(
"Exception while parsing date. Status: {}\n".format(
e.message))
if not mtime:
mtime = time.localtime()
#convert mtime to Solr format
mtime_masked = mtime.strftime("%Y-%m-%dT%H:%M:%SZ")
#get modtime in index
doc_mtime = exporter.get_lastmodified(docid=articleuri)
#
# Is new article (not indexed so initial 0) or modified (doc_mtime <> mtime of file)?
#
if mtime_masked == doc_mtime:
# Doc found in Solr and field moddate of Solr doc same as files mtime
# so file was indexed as newest version before
doindex = False
if self.verbose:
print(
"Not indexing unchanged article {}".format(articleuri))
else:
# Index the article, because new or changed
doindex = True
if doc_mtime == None:
if self.verbose or self.quiet == False:
print("Indexing new article {}".format(articleuri))
else:
if self.verbose or self.quiet == False:
print(
"Indexing modified article {}".format(articleuri))
# Download and Index the new or updated uri
try:
partresult = Connector_Web.index(self,
uri=articleuri,
last_modified=False)
if partresult == False:
result = False
except KeyboardInterrupt:
raise KeyboardInterrupt
except BaseException as e:
sys.stderr.write("Exception while getting {} : {}".format(
articleuri, e.message))
return result
