+#!/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(",")
projects / articlequality_ordinal.git / commitdiff