X-Git-Url: https://code.communitydata.science/mediawiki_dump_tools.git/blobdiff_plain/dba793c6ac595e7a5c0ac795575c28231f06f8cb..776b73519ac8af42b64875a5cc27125ceff7c861:/wikiq diff --git a/wikiq b/wikiq index 8a12d90..47dd687 100755 --- a/wikiq +++ b/wikiq @@ -3,6 +3,7 @@ # 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 pdb import argparse import sys import os, os.path @@ -21,22 +22,32 @@ from urllib.parse import quote TO_ENCODE = ('title', 'editor') PERSISTENCE_RADIUS=7 from deltas import SequenceMatcher +from deltas import SegmentMatcher + +class PersistMethod: + none = 0 + sequence = 1 + segment = 2 + legacy = 3 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 = Dump.from_file(self.fh) + self.namespace_map = { ns.id : ns.name for ns in + self.mwiterator.site_info.namespaces } self.__pages = self.load_pages() def load_pages(self): for page in self.mwiterator: - yield WikiqPage(page, collapse_user=self.collapse_user) + yield WikiqPage(page, + namespace_map = self.namespace_map, + collapse_user=self.collapse_user) def __iter__(self): return self.__pages @@ -49,13 +60,19 @@ class WikiqPage(): 'restrictions', 'mwpage', '__revisions', 'collapse_user') - def __init__(self, page, collapse_user=False): + def __init__(self, page, namespace_map, collapse_user=False): self.id = page.id - self.title = page.title self.namespace = page.namespace - self.redirect = page.redirect + # following mwxml, we assume namespace 0 in cases where + # page.namespace is inconsistent with namespace_map + if page.namespace not in namespace_map: + self.title = page.title + page.namespace = 0 + if page.namespace != 0: + self.title = ':'.join([namespace_map[page.namespace], page.title]) + else: + self.title = page.title self.restrictions = page.restrictions - self.collapse_user = collapse_user self.mwpage = page self.__revisions = self.rev_list() @@ -110,15 +127,17 @@ class WikiqPage(): return next(self.__revisions) class WikiqParser(): + + def __init__(self, input_file, output_file, collapse_user=False, persist=None, urlencode=False): + """ + Parameters: + persist : what persistence method to use. Takes a PersistMethod value + """ - - 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 @@ -159,13 +178,18 @@ class WikiqParser(): for page in dump: rev_detector = mwreverts.Detector() - if self.persist or self.persist_legacy: + if self.persist != PersistMethod.none: window = deque(maxlen=PERSISTENCE_RADIUS) - if not self.persist_legacy: + if self.persist == PersistMethod.sequence: state = mwpersistence.DiffState(SequenceMatcher(tokenizer = wikitext_split), revert_radius=PERSISTENCE_RADIUS) + elif self.persist == PersistMethod.segment: + state = mwpersistence.DiffState(SegmentMatcher(tokenizer = wikitext_split), + revert_radius=PERSISTENCE_RADIUS) + + # self.persist == PersistMethod.legacy else: from mw.lib import persistence state = persistence.State() @@ -238,14 +262,13 @@ class WikiqParser(): if self.collapse_user: rev_data['collapsed_revs'] = rev.collapsed_revs - if self.persist or self.persist_legacy: + if self.persist != PersistMethod.none: if rev.deleted.text: - for k in ["token_revs", "tokens_added", "tokens_removed", "tokens_window"]: old_rev_data[k] = None else: - if not self.persist_legacy: + if self.persist != PersistMethod.legacy: _, tokens_added, tokens_removed = state.update(rev.text, rev.id) else: @@ -270,7 +293,7 @@ class WikiqParser(): rev_count += 1 - if self.persist or self.persist_legacy: + if self.persist != PersistMethod.none: # 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 @@ -344,17 +367,28 @@ parser.add_argument('-s', '--stdout', dest="stdout", action="store_true", parser.add_argument('--collapse-user', dest="collapse_user", action="store_true", help="Operate only on the final revision made by user a user within all sequences of consecutive edits made by a user. This can be useful for addressing issues with text persistence measures.") -parser.add_argument('-p', '--persistence', dest="persist", action="store_true", - help="Compute and report measures of content persistent: (1) persistent token revisions, (2) tokens added, and (3) number of revision used in computing the first measure.") +parser.add_argument('-p', '--persistence', dest="persist", default=None, const='', type=str, choices = ['','segment','sequence','legacy'], nargs='?', + help="Compute and report measures of content persistent: (1) persistent token revisions, (2) tokens added, and (3) number of revision used in computing the first measure. This may by slow. Use -p=segment for advanced persistence calculation method that is robust to content moves. This might be very slow. Use -p=legacy for legacy behavior.") 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.") +parser.add_argument('-ns', '--namespace-filter', dest="namespace_filter", type=str, help="Comma-seperate list of namespaces numbers to include") + args = parser.parse_args() +# set persistence method + +if args.persist is None: + persist = PersistMethod.none +elif args.persist == "segment": + persist = PersistMethod.segment +elif args.persist == "legacy": + persist = PersistMethod.legacy +else: + persist = PersistMethod.sequence + if len(args.dumpfiles) > 0: for filename in args.dumpfiles: input_file = open_input_file(filename) @@ -373,10 +407,9 @@ if len(args.dumpfiles) > 0: filename = os.path.join(output_dir, os.path.basename(filename)) output_file = open_output_file(filename) - wikiq = WikiqParser(input_file, output_file, + wikiq = WikiqParser(input_file, output_file, collapse_user=args.collapse_user, - persist=args.persist, - persist_legacy=args.persist_legacy, + persist=persist, urlencode=args.urlencode) @@ -388,7 +421,7 @@ if len(args.dumpfiles) > 0: else: wikiq = WikiqParser(sys.stdin, sys.stdout, collapse_user=args.collapse_user, - persist=args.persist, + persist=persist, persist_legacy=args.persist_legacy, urlencode=args.urlencode) wikiq.process()