X-Git-Url: https://code.communitydata.science/articlequality_ordinal.git/blobdiff_plain/29abd26b97b7666c9b7de4521c4861e50f6a6f2c..2c733a87881c9aa70dcfe9d2c7db697c8eb14886:/wikiq diff --git a/wikiq b/wikiq new file mode 100755 index 0000000..0543a33 --- /dev/null +++ b/wikiq @@ -0,0 +1,573 @@ +#!/usr/bin/env python3 + +# 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 +import re + +from subprocess import Popen, PIPE +from collections import deque +from hashlib import sha1 + +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 +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, + namespace_map = self.namespace_map, + collapse_user=self.collapse_user) + + def __iter__(self): + return self.__pages + + def __next__(self): + return next(self._pages) + +class WikiqPage(): + __slots__ = ('id', 'title', 'namespace', 'redirect', + 'restrictions', 'mwpage', '__revisions', + 'collapse_user') + + def __init__(self, page, namespace_map, collapse_user=False): + self.id = page.id + self.namespace = page.namespace + # 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() + + def rev_list(self): + # Outline for how we want to handle collapse_user=True + # iteration rev.user prev_rev.user add prev_rev? + # 0 A None Never + # 1 A A False + # 2 B A True + # 3 A B True + # 4 A A False + # Post-loop A Always + for i, rev in enumerate(self.mwpage): + # never yield the first time + if i == 0: + if self.collapse_user: + collapsed_revs = 1 + rev.collapsed_revs = collapsed_revs + + else: + if self.collapse_user: + # yield if this is the last edit in a seq by a user and reset + # 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 + # otherwise, add one to the counter + else: + collapsed_revs += 1 + rev.collapsed_revs = collapsed_revs + # if collapse_user is false, we always yield + else: + yield prev_rev + + prev_rev = rev + + # also yield the final time + yield prev_rev + + def __iter__(self): + return self.__revisions + + def __next__(self): + return next(self.__revisions) + + +class RegexPair(object): + def __init__(self, pattern, label): + self.pattern = re.compile(pattern) + self.label = label + self.has_groups = bool(self.pattern.groupindex) + if self.has_groups: + self.capture_groups = list(self.pattern.groupindex.keys()) + + def _make_key(self, cap_group): + return ("{}_{}".format(self.label, cap_group)) + + def matchmake(self, content, rev_data): + + temp_dict = {} + # if there are named capture groups in the regex + if self.has_groups: + + # if there are matches of some sort in this revision content, fill the lists for each cap_group + if self.pattern.search(content) is not None: + m = self.pattern.finditer(content) + matchobjects = list(m) + + for cap_group in self.capture_groups: + key = self._make_key(cap_group) + temp_list = [] + for match in matchobjects: + # we only want to add the match for the capture group if the match is not None + if match.group(cap_group) != None: + temp_list.append(match.group(cap_group)) + + # if temp_list of matches is empty just make that column None + if len(temp_list)==0: + temp_dict[key] = None + # else we put in the list we made in the for-loop above + else: + temp_dict[key] = ', '.join(temp_list) + + # there are no matches at all in this revision content, we default values to None + else: + for cap_group in self.capture_groups: + key = self._make_key(cap_group) + temp_dict[key] = None + + # there are no capture groups, we just search for all the matches of the regex + else: + #given that there are matches to be made + if self.pattern.search(content) is not None: + m = self.pattern.findall(content) + temp_dict[self.label] = ', '.join(m) + else: + temp_dict[self.label] = None + # update rev_data with our new columns + rev_data.update(temp_dict) + return rev_data + + +class WikiqParser(): + def __init__(self, input_file, output_file, regex_match_revision, regex_match_comment, regex_revision_label, regex_comment_label, collapse_user=False, persist=None, urlencode=False, namespaces = None, revert_radius=15): + """ + Parameters: + persist : what persistence method to use. Takes a PersistMethod value + """ + self.input_file = input_file + self.output_file = output_file + self.collapse_user = collapse_user + self.persist = persist + self.printed_header = False + self.namespaces = [] + self.urlencode = urlencode + self.revert_radius = revert_radius + + if namespaces is not None: + self.namespace_filter = set(namespaces) + else: + self.namespace_filter = None + + self.regex_revision_pairs = self.make_matchmake_pairs(regex_match_revision, regex_revision_label) + self.regex_comment_pairs = self.make_matchmake_pairs(regex_match_comment, regex_comment_label) + + + def make_matchmake_pairs(self, patterns, labels): + if (patterns is not None and labels is not None) and \ + (len(patterns) == len(labels)): + return [RegexPair(pattern, label) for pattern, label in zip(patterns, labels)] + elif (patterns is None and labels is None): + return [] + else: + sys.exit('Each regular expression *must* come with a corresponding label and vice versa.') + + def matchmake(self, rev, rev_data): + rev_data = self.matchmake_revision(rev.text, rev_data) + rev_data = self.matchmake_comment(rev.comment, rev_data) + return rev_data + + def matchmake_revision(self, text, rev_data): + return self.matchmake_pairs(text, rev_data, self.regex_revision_pairs) + + def matchmake_comment(self, comment, rev_data): + return self.matchmake_pairs(comment, rev_data, self.regex_comment_pairs) + + def matchmake_pairs(self, text, rev_data, pairs): + for pair in pairs: + rev_data = pair.matchmake(text, rev_data) + return rev_data + + def __get_namespace_from_title(self, title): + default_ns = None + + for ns in self.namespaces: + # skip if the namespace is not defined + if ns == None: + default_ns = self.namespaces[ns] + continue + + if title.startswith(ns + ":"): + return self.namespaces[ns] + + # if we've made it this far with no matches, we return the default namespace + return default_ns + + + def process(self): + + # create a regex that creates the output filename + # output_filename = re.sub(r'^.*/(enwiki\-\d+)\-.*p(\d+)p.*$', + # r'output/wikiq-\1-\2.tsv', + # input_filename) + + # Construct dump file iterator + 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.site_info.namespaces} + + page_count = 0 + rev_count = 0 + + + # Iterate through pages + for page in dump: + namespace = page.namespace if page.namespace is not None else self.__get_namespace_from_title(page.title) + + # skip namespaces not in the filter + if self.namespace_filter is not None: + if namespace not in self.namespace_filter: + continue + + rev_detector = mwreverts.Detector(radius = self.revert_radius) + + if self.persist != PersistMethod.none: + window = deque(maxlen=PERSISTENCE_RADIUS) + + 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() + + # Iterate through a page's revisions + for rev in page: + + # initialize rev_data + rev_data = { + 'revid':rev.id, + 'date_time' : rev.timestamp.strftime('%Y-%m-%d %H:%M:%S'), + 'articleid' : page.id, + 'editor_id' : "" if rev.deleted.user == True or rev.user.id is None else rev.user.id, + 'title' : '"' + page.title + '"', + 'namespace' : namespace, + 'deleted' : "TRUE" if rev.deleted.text else "FALSE" + } + + rev_data = self.matchmake(rev, rev_data) + + # if revisions are deleted, /many/ things will be missing + 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 + + # TODO rev.bytes doesn't work.. looks like a bug + rev_data['text_chars'] = len(rev.text) + + # 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]) + '"' + else: + rev_data['revert'] = "FALSE" + rev_data['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 not rev.deleted.user: + # wrap user-defined editors in quotes for fread + rev_data['editor'] = '"' + rev.user.text + '"' + rev_data['anon'] = "TRUE" if rev.user.id == None else "FALSE" + + else: + rev_data['anon'] = "" + rev_data['editor'] = "" + + #if re.match(r'^#redirect \[\[.*\]\]', rev.text, re.I): + # redirect = True + #else: + # redirect = False + + #TODO missing: additions_size deletions_size + + # if collapse user was on, lets run that + if self.collapse_user: + rev_data['collapsed_revs'] = rev.collapsed_revs + + 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 self.persist != PersistMethod.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: + old_rev_id, old_rev_data, old_tokens_added, old_tokens_removed = window[0] + + num_token_revs, num_tokens = calculate_persistence(old_tokens_added) + + old_rev_data["token_revs"] = num_token_revs + old_rev_data["tokens_added"] = num_tokens + old_rev_data["tokens_removed"] = len(old_tokens_removed) + old_rev_data["tokens_window"] = PERSISTENCE_RADIUS-1 + + self.print_rev_data(old_rev_data) + + else: + self.print_rev_data(rev_data) + + rev_count += 1 + + 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 + if len(window) == PERSISTENCE_RADIUS and i == 0: + continue + + rev_id, rev_data, tokens_added, tokens_removed = item + num_token_revs, num_tokens = calculate_persistence(tokens_added) + + rev_data["token_revs"] = num_token_revs + rev_data["tokens_added"] = num_tokens + rev_data["tokens_removed"] = len(tokens_removed) + rev_data["tokens_window"] = len(window)-(i+1) + + self.print_rev_data(rev_data) + + page_count += 1 + + print("Done: %s revisions and %s pages." % (rev_count, page_count), + file=sys.stderr) + + def print_rev_data(self, rev_data): + # if it's the first time through, print the header + 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 + + print("\t".join([str(v) for k, v in sorted(rev_data.items())]), file=self.output_file) + + +def open_input_file(input_filename): + if re.match(r'.*\.7z$', input_filename): + cmd = ["7za", "x", "-so", input_filename, '*'] + elif re.match(r'.*\.gz$', input_filename): + cmd = ["zcat", input_filename] + elif re.match(r'.*\.bz2$', input_filename): + cmd = ["bzcat", "-dk", input_filename] + + try: + input_file = Popen(cmd, stdout=PIPE).stdout + except NameError: + input_file = open(input_filename, 'r') + + return input_file + +def open_output_file(input_filename): + # create a regex that creates the output filename + output_filename = re.sub(r'\.(7z|gz|bz2)?$', '', input_filename) + output_filename = re.sub(r'\.xml', '', output_filename) + output_filename = output_filename + ".tsv" + output_file = open(output_filename, "w") + + return output_file + +parser = argparse.ArgumentParser(description='Parse MediaWiki XML database dumps into tab delimitted data.') + +# arguments for the input direction +parser.add_argument('dumpfiles', metavar="DUMPFILE", nargs="*", type=str, + help="Filename of the compressed or uncompressed XML database dump. If absent, we'll look for content on stdin and output on stdout.") + +parser.add_argument('-o', '--output-dir', metavar='DIR', dest='output_dir', type=str, nargs=1, + help="Directory for output files.") + +parser.add_argument('-s', '--stdout', dest="stdout", action="store_true", + help="Write output to standard out (do not create dump file)") + +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", 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. The defualt is -p=sequence, which uses the same algorithm as in the past, but with improvements to wikitext parsing. Use -p=legacy for old behavior used in older research projects. Use -p=segment for advanced persistence calculation method that is robust to content moves, but prone to bugs, and slower.") + +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('-n', '--namespace-include', dest="namespace_filter", type=int, action='append', + help="Id number of namspace to include. Can be specified more than once.") + +parser.add_argument('-rr', + '--revert-radius', + dest="revert_radius", + type=int, + action='store', + default=15, + help="Number of edits to check when looking for reverts (default: 15)") + +parser.add_argument('-RP', '--revision-pattern', dest="regex_match_revision", default=None, type=str, action='append', + help="The regular expression to search for in revision text. The regex must be surrounded by quotes.") + +parser.add_argument('-RPl', '--revision-pattern-label', dest="regex_revision_label", default=None, type=str, action='append', + help="The label for the outputted column based on matching the regex in revision text.") + +parser.add_argument('-CP', '--comment-pattern', dest="regex_match_comment", default=None, type=str, action='append', + help="The regular expression to search for in comments of revisions.") + +parser.add_argument('-CPl', '--comment-pattern-label', dest="regex_comment_label", default=None, type=str, action='append', + help="The label for the outputted column based on matching the regex in comments.") + +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 args.namespace_filter is not None: + namespaces = args.namespace_filter +else: + namespaces = None + +if len(args.dumpfiles) > 0: + for filename in args.dumpfiles: + input_file = open_input_file(filename) + + # open directory for output + if args.output_dir: + output_dir = args.output_dir[0] + else: + output_dir = "." + + print("Processing file: %s" % filename, file=sys.stderr) + + if args.stdout: + output_file = sys.stdout + else: + filename = os.path.join(output_dir, os.path.basename(filename)) + output_file = open_output_file(filename) + + wikiq = WikiqParser(input_file, + output_file, + collapse_user=args.collapse_user, + persist=persist, + urlencode=args.urlencode, + namespaces=namespaces, + revert_radius=args.revert_radius, + regex_match_revision = args.regex_match_revision, + regex_revision_label = args.regex_revision_label, + regex_match_comment = args.regex_match_comment, + regex_comment_label = args.regex_comment_label) + + wikiq.process() + + # close things + input_file.close() + output_file.close() +else: + wikiq = WikiqParser(sys.stdin, + sys.stdout, + collapse_user=args.collapse_user, + persist=persist, + #persist_legacy=args.persist_legacy, + urlencode=args.urlencode, + namespaces=namespaces, + revert_radius=args.revert_radius, + regex_match_revision = args.regex_match_revision, + regex_revision_label = args.regex_revision_label, + regex_match_comment = args.regex_match_comment, + regex_comment_label = args.regex_comment_label) + + wikiq.process() + +# stop_words = "a,able,about,across,after,all,almost,also,am,among,an,and,any,are,as,at,be,because,been,but,by,can,cannot,could,dear,did,do,does,either,else,ever,every,for,from,get,got,had,has,have,he,her,hers,him,his,how,however,i,if,in,into,is,it,its,just,least,let,like,likely,may,me,might,most,must,my,neither,no,nor,not,of,off,often,on,only,or,other,our,own,rather,said,say,says,she,should,since,so,some,than,that,the,their,them,then,there,these,they,this,tis,to,too,twas,us,wants,was,we,were,what,when,where,which,while,who,whom,why,will,with,would,yet,you,your" +# stop_words = stop_words.split(",")