def list_warcs(self, user, coll):
if not self.can_admin_coll(user, coll):
return []
archive_dir = self.path_router.get_archive_dir(user, coll)
warcs = {}
total_size = 0
if os.path.isdir(archive_dir):
for fullpath, filename in iter_file_or_dir([archive_dir]):
stats = os.stat(fullpath)
size = long(stats.st_size)
res = {'size': size,
'mtime': long(stats.st_mtime),
'name': filename}
warcs[filename] = res
total_size += size
donewarcs = self.redis.smembers(self.make_key(user, coll, self.DONE_WARC_KEY))
for stats in donewarcs:
res = json.loads(stats)
filename = res['name']
warcs[filename] = res
total_size += long(res['size'])
return total_size, warcs.values()
def list_warcs(self, user, coll):
if not self.can_admin_coll(user, coll):
return []
archive_dir = self.path_router.get_archive_dir(user, coll)
warcs = {}
total_size = 0
if os.path.isdir(archive_dir):
for fullpath, filename in iter_file_or_dir([archive_dir]):
stats = os.stat(fullpath)
size = long(stats.st_size)
res = {
'size': size,
'mtime': long(stats.st_mtime),
'name': filename
}
warcs[filename] = res
total_size += size
donewarcs = self.redis.smembers(
self.make_key(user, coll, self.DONE_WARC_KEY))
for stats in donewarcs:
res = json.loads(stats)
filename = res['name']
warcs[filename] = res
total_size += long(res['size'])
return total_size, warcs.values()
def update_cdx(self, output_cdx, inputs):
"""
Output sorted, post-query resolving cdx from 'input_' warc(s)
to 'output_cdx'. Write cdx to temp and rename to output_cdx
when completed to ensure atomic updates of the cdx.
"""
writer_cls = PageDetectSortedWriter
options = dict(sort=True,
surt_ordered=True,
append_post=True,
include_all=True)
try:
with open(output_cdx.name, 'wb') as outfile:
with writer_cls(outfile) as writer:
for fullpath, filename in iter_file_or_dir(inputs):
filename = self.format_filename(filename)
with open(fullpath, 'rb') as infile:
entry_iter = create_index_iter(infile, **options)
for entry in entry_iter:
writer.write(entry, filename)
output_cdx.flush()
except Exception as exc:
import traceback
err_details = traceback.format_exc(exc)
print err_details
return None
return writer.pages
def index_warcs(warcs, cdx, base_cdx=None):
"""Creates a sorted CDX for a series of WARC files,
supplementing revisit records with original records."""
with open(cdx, "wb") as o:
with cdxindexer.CDXWriter(o, False) as writer:
for fullpath, filename in cdxindexer.iter_file_or_dir(warcs):
with open(fullpath, "rb") as infile:
entry_iter = cdxindexer.create_index_iter(
infile, include_all=False, surt_ordered=False)
for entry in entry_iter:
if entry.mime == "warc/revisit":
if base_cdx is not None:
with open(base_cdx, "rb") as c:
matches = [
m for m in binsearch.iter_exact(
c, entry.key)
if m.split()[3] != "warc/revisit"
and m.split()[5] == entry.digest
]
if len(matches) > 0:
o.write("%s\n" % matches[-1])
writer.write(entry, fullpath)
with open(cdx, "rb") as i:
lines = [l.strip() for l in i]
lines.sort(cmp=locale.strcoll)
with open(cdx, "wb") as o:
o.write("\n".join(lines))
def generate_path_index(warcs, index):
lines = []
for fullpath, filename in cdxindexer.iter_file_or_dir(warcs):
lines.append("%s\t%s" % (filename, fullpath))
lines.sort()
set(lines)
with open(index, "wb") as path_index:
path_index.write("\n".join(lines))
def generate_path_index(warcs, index):
lines = []
for fullpath, filename in cdxindexer.iter_file_or_dir(warcs):
lines.append("%s\t%s" % (filename, fullpath))
lines.sort()
set(lines)
with open(index, "wb") as path_index:
path_index.write("\n".join(lines))
def get_filenames(warcs):
"""Builds a URL->filename lookup from WARC files."""
filenames = {}
options = {"include_all": False, "surt_ordered": False}
for fullpath, filename in cdxindexer.iter_file_or_dir(warcs):
with open(fullpath, "rb") as warc:
iter = DefaultRecordIter(**options)
for entry in iter(warc):
if not entry.record.status_headers.statusline.startswith("200"):
continue
if entry.record.rec_type == "revisit":
continue
pdf = get_filename(entry)
if pdf is not None:
key = entry.pop("url")
filenames[key] = pdf
return filenames
def get_filenames(warcs):
"""Builds a URL->filename lookup from WARC files."""
filenames = {}
options = {"include_all": False, "surt_ordered": False}
for fullpath, filename in cdxindexer.iter_file_or_dir(warcs):
with open(fullpath, "rb") as warc:
iter = DefaultRecordIter(**options)
for entry in iter(warc):
if not entry.record.status_headers.statusline.startswith(
"200"):
continue
if entry.record.rec_type == "revisit":
continue
pdf = get_filename(entry)
if pdf is not None:
key = entry.pop("url")
filenames[key] = pdf
return filenames
def index_warcs( warcs, cdx, base_cdx=None ):
"""Creates a sorted CDX for a series of WARC files,
supplementing revisit records with original records."""
with open(cdx, "wb") as o:
with cdxindexer.CDXWriter(o, False) as writer:
for fullpath, filename in cdxindexer.iter_file_or_dir(warcs):
with open(fullpath, "rb") as infile:
entry_iter = cdxindexer.create_index_iter(infile, include_all=False, surt_ordered=False)
for entry in entry_iter:
if entry.mime == "warc/revisit":
if base_cdx is not None:
with open(base_cdx, "rb") as c:
matches = [m for m in binsearch.iter_exact(c, entry.key) if m.split()[3] != "warc/revisit" and m.split()[5] == entry.digest]
if len(matches) > 0:
o.write("%s\n" % matches[-1])
writer.write(entry, fullpath)
with open(cdx, "rb") as i:
lines = [l.strip() for l in i]
lines.sort(cmp=locale.strcoll)
with open(cdx, "wb") as o:
o.write("\n".join(lines))
