# original wikiq headers are: title articleid revid date_time anon
# editor editor_id minor text_size text_entropy text_md5 reversion
# additions_size deletions_size
-
import argparse
import sys
import os, os.path
from collections import deque
from hashlib import sha1
-from mw.xml_dump import Iterator
-from mw.lib import persistence
-from mw.lib import reverts
+from mwxml import Dump
+
+from deltas.tokenizers import wikitext_split
+import mwpersistence
+import mwreverts
from urllib.parse import quote
TO_ENCODE = ('title', 'editor')
PERSISTENCE_RADIUS=7
+from deltas import SequenceMatcher
def calculate_persistence(tokens_added):
return(sum([(len(x.revisions)-1) for x in tokens_added]),
len(tokens_added))
+
class WikiqIterator():
def __init__(self, fh, collapse_user=False):
self.fh = fh
self.collapse_user = collapse_user
- self.mwiterator = Iterator.from_file(self.fh)
+ self.mwiterator = Dump.from_file(self.fh)
self.__pages = self.load_pages()
def load_pages(self):
else:
if self.collapse_user:
# yield if this is the last edit in a seq by a user and reset
- if not rev.contributor.user_text == prev_rev.contributor.user_text:
+ # also yield if we do know who the user is
+
+ if rev.deleted.user or prev_rev.deleted.user:
+ yield prev_rev
+ collapsed_revs = 1
+ rev.collapsed_revs = collapsed_revs
+
+ elif not rev.user.text == prev_rev.user.text:
yield prev_rev
collapsed_revs = 1
rev.collapsed_revs = collapsed_revs
yield prev_rev
prev_rev = rev
+
# also yield the final time
yield prev_rev
class WikiqParser():
- def __init__(self, input_file, output_file, collapse_user=False, persist=False, urlencode=False):
+ def __init__(self, input_file, output_file, collapse_user=False, persist=False, urlencode=False, persist_legacy=False):
self.input_file = input_file
self.output_file = output_file
self.collapse_user = collapse_user
self.persist = persist
+ self.persist_legacy = persist_legacy
self.printed_header = False
self.namespaces = []
self.urlencode = urlencode
dump = WikiqIterator(self.input_file, collapse_user=self.collapse_user)
# extract list of namspaces
- self.namespaces = {ns.name : ns.id for ns in dump.mwiterator.namespaces}
+ self.namespaces = {ns.name : ns.id for ns in dump.mwiterator.site_info.namespaces}
page_count = 0
rev_count = 0
+
+
# Iterate through pages
for page in dump:
- if self.persist:
- state = persistence.State()
+ rev_detector = mwreverts.Detector()
+
+ if self.persist or self.persist_legacy:
window = deque(maxlen=PERSISTENCE_RADIUS)
- rev_detector = reverts.Detector()
+ if not self.persist_legacy:
+ state = mwpersistence.DiffState(SequenceMatcher(tokenizer = wikitext_split),
+ revert_radius=PERSISTENCE_RADIUS)
+
+ else:
+ from mw.lib import persistence
+ state = persistence.State()
# Iterate through a page's revisions
for rev in page:
rev_data = {'revid' : rev.id,
'date_time' : rev.timestamp.strftime('%Y-%m-%d %H:%M:%S'),
'articleid' : page.id,
- 'editor_id' : "" if rev.contributor.id == None else rev.contributor.id,
+ 'editor_id' : "" if rev.deleted.user == True or rev.user.id is None else rev.user.id,
'title' : '"' + page.title + '"',
- 'namespace' : page.namespace if page.namespace else self.__get_namespace_from_title(page.title),
- 'deleted' : "TRUE" if rev.text.deleted else "FALSE" }
+ 'namespace' : page.namespace if page.namespace is not None else self.__get_namespace_from_title(page.title),
+ 'deleted' : "TRUE" if rev.deleted.text else "FALSE" }
# if revisions are deleted, /many/ things will be missing
- if rev.text.deleted:
+ if rev.deleted.text:
rev_data['text_chars'] = ""
rev_data['sha1'] = ""
rev_data['revert'] = ""
rev_data['reverteds'] = ""
else:
+ # rev.text can be None if the page has no text
+ if not rev.text:
+ rev.text = ""
# if text exists, we'll check for a sha1 and generate one otherwise
+
if rev.sha1:
text_sha1 = rev.sha1
else:
+
text_sha1 = sha1(bytes(rev.text, "utf8")).hexdigest()
rev_data['sha1'] = text_sha1
# generate revert data
revert = rev_detector.process(text_sha1, rev.id)
+
if revert:
rev_data['revert'] = "TRUE"
rev_data['reverteds'] = '"' + ",".join([str(x) for x in revert.reverteds]) + '"'
# if the fact that the edit was minor can be hidden, this might be an issue
rev_data['minor'] = "TRUE" if rev.minor else "FALSE"
- if rev.contributor.user_text:
+ if not rev.deleted.user:
# wrap user-defined editors in quotes for fread
- rev_data['editor'] = '"' + rev.contributor.user_text + '"'
- rev_data['anon'] = "TRUE" if rev.contributor.id == None else "FALSE"
+ rev_data['editor'] = '"' + rev.user.text + '"'
+ rev_data['anon'] = "TRUE" if rev.user.id == None else "FALSE"
else:
rev_data['anon'] = ""
if self.collapse_user:
rev_data['collapsed_revs'] = rev.collapsed_revs
- if self.persist:
- if rev.text.deleted:
+ if self.persist or self.persist_legacy:
+ if rev.deleted.text:
+
for k in ["token_revs", "tokens_added", "tokens_removed", "tokens_window"]:
old_rev_data[k] = None
else:
- _, tokens_added, tokens_removed = state.process(rev.text, rev.id, text_sha1)
+
+ if not self.persist_legacy:
+ _, tokens_added, tokens_removed = state.update(rev.text, rev.id)
+
+ else:
+ _, tokens_added, tokens_removed = state.process(rev.text, rev.id, text_sha1)
+
window.append((rev.id, rev_data, tokens_added, tokens_removed))
if len(window) == PERSISTENCE_RADIUS:
rev_count += 1
- if self.persist:
+ if self.persist or self.persist_legacy:
# print out metadata for the last RADIUS revisions
for i, item in enumerate(window):
# if the window was full, we've already printed item 0
if self.urlencode:
for field in TO_ENCODE:
rev_data[field] = quote(str(rev_data[field]))
-
+
if not self.printed_header:
print("\t".join([str(k) for k in sorted(rev_data.keys())]), file=self.output_file)
self.printed_header = True
elif re.match(r'.*\.gz$', input_filename):
cmd = ["zcat", input_filename]
elif re.match(r'.*\.bz2$', input_filename):
- cmd = ["zcat", input_filename]
+ cmd = ["bzcat", "-dk", input_filename]
try:
input_file = Popen(cmd, stdout=PIPE).stdout
parser.add_argument('-u', '--url-encode', dest="urlencode", action="store_true",
help="Output url encoded text strings. This works around some data issues like newlines in editor names. In the future it may be used to output other text data.")
+parser.add_argument('--persistence-legacy', dest="persist_legacy", action="store_true",
+ help="Legacy behavior for persistence calculation. Output url encoded text strings. This works around some data issues like newlines in editor names. In the future it may be used to output other text data.")
+
args = parser.parse_args()
if len(args.dumpfiles) > 0:
wikiq = WikiqParser(input_file, output_file,
collapse_user=args.collapse_user,
persist=args.persist,
+ persist_legacy=args.persist_legacy,
urlencode=args.urlencode)
wikiq = WikiqParser(sys.stdin, sys.stdout,
collapse_user=args.collapse_user,
persist=args.persist,
+ persist_legacy=args.persist_legacy,
urlencode=args.urlencode)
wikiq.process()
projects / mediawiki_dump_tools.git / blobdiff