From: Benjamin Mako Hill Date: Thu, 23 Jul 2015 02:44:52 +0000 (-0700) Subject: created new repository for wikiq with Mediawiki-Utilities as a submodule X-Git-Url: https://code.communitydata.science/mediawiki_dump_tools.git/commitdiff_plain/eeb0742cc6ce316e9cc8c53e8833aed20da079bb created new repository for wikiq with Mediawiki-Utilities as a submodule --- eeb0742cc6ce316e9cc8c53e8833aed20da079bb diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000..6c9d975 --- /dev/null +++ b/.gitmodules @@ -0,0 +1,3 @@ +[submodule "Mediawiki-Utilities"] + path = Mediawiki-Utilities + url = https://github.com/halfak/Mediawiki-Utilities.git diff --git a/Mediawiki-Utilities b/Mediawiki-Utilities new file mode 160000 index 0000000..ddd3ea3 --- /dev/null +++ b/Mediawiki-Utilities @@ -0,0 +1 @@ +Subproject commit ddd3ea3442ca0450ab16f88c5fab674551d35ee7 diff --git a/mw b/mw new file mode 120000 index 0000000..75b92ba --- /dev/null +++ b/mw @@ -0,0 +1 @@ +Mediawiki-Utilities/mw \ No newline at end of file diff --git a/wikiq b/wikiq new file mode 100755 index 0000000..f115fdc --- /dev/null +++ b/wikiq @@ -0,0 +1,321 @@ +#!/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 mw.xml_dump import Iterator +from mw.lib import persistence +from mw.lib import reverts + +PERSISTENCE_RADIUS=7 + +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.__pages = self.load_pages() + + def load_pages(self): + for page in self.mwiterator: + yield WikiqPage(page, 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, collapse_user=False): + self.id = page.id + self.title = page.title + self.namespace = page.namespace + self.redirect = page.redirect + 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 + if not rev.contributor.user_text == prev_rev.contributor.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 WikiqParser(): + def __init__(self, input_file, output_file, collapse_user=False, persist=False): + self.input_file = input_file + self.output_file = output_file + self.collapse_user = collapse_user + self.persist = persist + self.printed_header = False + + def process(self): + print("Processing file: %s" % self.input_file.name, file=sys.stderr) + + # 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) + + page_count = 0 + rev_count = 0 + # Iterate through pages + for page in dump: + if self.persist: + state = persistence.State() + window = deque(maxlen=PERSISTENCE_RADIUS) + + rev_detector = reverts.Detector() + + # 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, + 'title' : '"' + page.title + '"', + 'namespace' : page.namespace, + 'deleted' : "TRUE" if rev.text.deleted else "FALSE" } + + # if revisions are deleted, /many/ things will be missing + if rev.text.deleted: + rev_data['text_chars'] = "" + rev_data['sha1'] = "" + rev_data['revert'] = "" + rev_data['reverteds'] = "" + + else: + # 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 rev.contributor.user_text: + # 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" + + 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: + if rev.text.deleted: + 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) + 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: + # 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 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 = ["zcat", 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'\.xml(\.(7z|gz|bz2))?$', '', input_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", 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.") + +args = parser.parse_args() + +if len(args.dumpfiles) > 0: + for filename in args.dumpfiles: + input_file = open_input_file(filename) + + # open file for output + if args.stdout: + output_file = sys.stdout + else: + if args.output_dir: + output_dir = args.output_dir[0] + else: + output_dir = "." + + 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=args.persist) + wikiq.process() + + # close things + input_file.close() + output_file.close() +else: + wikiq = WikiqParser(sys.stdin, sys.stdout, + collapse_user=args.collapse_user, + persist=args.persist) + 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(",")