def write_warc(self, resources=None, dumpfile=None):
"""Write a WARC dump file
WARC support is not part of ResourceSync v1.0 (Z39.99 2014) but is left
in this library for experimentation.
"""
# Load library late as we want to be able to run rest of code
# without this installed
try:
from warc import WARCFile,WARCHeader,WARCRecord
except:
raise DumpError("Failed to load WARC library")
wf = WARCFile(dumpfile, mode="w", compress=self.compress)
# Add all files in the resources
for resource in resources:
wh = WARCHeader({})
wh.url = resource.uri
wh.ip_address = None
wh.date = resource.lastmod
wh.content_type = 'text/plain'
wh.result_code = 200
wh.checksum = 'aabbcc'
wh.location = self.archive_path(resource.path)
wf.write_record( WARCRecord( header=wh, payload=resource.path ) )
wf.close()
warcsize = os.path.getsize(dumpfile)
self.logging.info("Wrote WARC file dump %s with size %d bytes" % (dumpfile,warcsize))
def parse_warc_content(buf):
wf = WARCFile(fileobj=StringIO(buf))
record = wf.read_record()
payload = record.payload.read()
top = payload[:15]
if top.startswith('HTTP/') and top.endswith('200 OK'):
content_start = payload.find('\r\n\r\n')
if content_start != -1:
yield record.url, payload[content_start + 4:]
def read_warc(self, key):
keypath = 's3://aws-publicdatasets/{key}'.format(key=key)
with self.s3.open(keypath, 'rb') as fp:
warcfile = WARCFile(fileobj=fp, compress='gzip')
for record in warcfile.reader:
if record.type == 'response':
self.increment_counter(self.__class__.__name__, 'match', 1)
yield record
def read_warc(self, key):
keypath = 's3://commoncrawl/{key}'.format(key=key)
with self.s3.open(keypath, 'rb') as fp:
g = gzip.GzipFile(fileobj=fp)
warcfile = WARCFile(fileobj=g)
for record in warcfile:
#if record.type == 'response':
self.increment_counter(self.__class__.__name__, 'match', 1)
yield record
def write_warc(self, resources=None, dumpfile=None):
"""Write a WARC dump file.
WARC support is not part of ResourceSync v1.0 (Z39.99 2014) but is left
in this library for experimentation.
"""
# Load library late as we want to be able to run rest of code
# without this installed
try:
from warc import WARCFile, WARCHeader, WARCRecord
except:
raise DumpError("Failed to load WARC library")
wf = WARCFile(dumpfile, mode="w", compress=self.compress)
# Add all files in the resources
for resource in resources:
wh = WARCHeader({})
wh.url = resource.uri
wh.ip_address = None
wh.date = resource.lastmod
wh.content_type = 'text/plain'
wh.result_code = 200
wh.checksum = 'aabbcc'
wh.location = self.archive_path(resource.path)
wf.write_record(WARCRecord(header=wh, payload=resource.path))
wf.close()
warcsize = os.path.getsize(dumpfile)
self.logging.info("Wrote WARC file dump %s with size %d bytes" %
(dumpfile, warcsize))
def write_warc(self, inventory=None, dumpfile=None):
"""Write a WARC dump file"""
# Load library late as we want to be able to run rest of code
# without this installed
try:
from warc import WARCFile,WARCHeader,WARCRecord
except:
raise DumpError("Failed to load WARC library")
wf = WARCFile(dumpfile, mode="w", compress=self.compress)
# Add all files in the inventory
for resource in inventory:
wh = WARCHeader({})
wh.url = resource.uri
wh.ip_address = None
wh.date = resource.lastmod
wh.content_type = 'text/plain'
wh.result_code = 200
wh.checksum = 'aabbcc'
wh.location = 'loc'
wf.write_record( WARCRecord( header=wh, payload=resource.file ) )
wf.close()
warcsize = os.path.getsize(dumpfile)
print "Wrote WARC file dump %s with size %d bytes" % (dumpfile,warcsize)
def write_warc(self, inventory=None, dumpfile=None):
"""Write a WARC dump file"""
# Load library late as we want to be able to run rest of code
# without this installed
try:
from warc import WARCFile,WARCHeader,WARCRecord
except:
raise DumpError("Failed to load WARC library")
wf = WARCFile(dumpfile, mode="w", compress=self.compress)
# Add all files in the inventory
for resource in inventory:
wh = WARCHeader({})
wh.url = resource.uri
wh.ip_address = None
wh.date = resource.lastmod
wh.content_type = 'text/plain'
wh.result_code = 200
wh.checksum = 'aabbcc'
wh.location = 'loc'
wf.write_record( WARCRecord( header=wh, payload=resource.file ) )
wf.close()
warcsize = os.path.getsize(dumpfile)
print "Wrote WARC file dump %s with size %d bytes" % (dumpfile,warcsize)
