X-Git-Url: https://code.communitydata.science/mediawiki_dump_tools.git/blobdiff_plain/f468d1a5b60dce36e5d132c65c3cada921dbb4a7..7bf4559cebb20b0a038fe567cd81ee1a650a73b1:/wikiq diff --git a/wikiq b/wikiq index 7cf4be2..ca65114 100755 --- a/wikiq +++ b/wikiq @@ -3,7 +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 @@ -34,6 +34,29 @@ def calculate_persistence(tokens_added): return(sum([(len(x.revisions)-1) for x in tokens_added]), len(tokens_added)) +def matchmaker(rev_data, regular_expression, scanner, rev): #rev_data,self.regex,self.scanner, rev + for location in scanner: #presumably 'comment' 'text' 'comment text' made into a list by args + if location == "comment": + matching_string = rev.comment + elif location == "text": + matching_string = rev.text + else: + sys.exit("regex scanner location must be 'comment' or 'text'.") + + if (re.search(regular_expression, matching_string) is not None): # we know that there is a match somewhere + m = re.finditer(regular_expression, matching_string) # all our matchObjects in a list + blob="" + for result in m: + blob = blob + "," + result.group(0) + # columns we want + rev_data['matches'] = blob #### the list of matchObjects. gleaned in post-processing + else: + rev_data['matches'] = None + + return rev_data + + + class WikiqIterator(): def __init__(self, fh, collapse_user=False): self.fh = fh @@ -63,6 +86,11 @@ class WikiqPage(): 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: @@ -123,7 +151,7 @@ class WikiqPage(): class WikiqParser(): - def __init__(self, input_file, output_file, collapse_user=False, persist=None, urlencode=False): + def __init__(self, input_file, output_file, scanner, match_regex, collapse_user=False, persist=None, urlencode=False, namespaces = None): """ Parameters: persist : what persistence method to use. Takes a PersistMethod value @@ -136,7 +164,14 @@ class WikiqParser(): self.printed_header = False self.namespaces = [] self.urlencode = urlencode - + self.scanner = scanner + self.match_regex = match_regex + + if namespaces is not None: + self.namespace_filter = set(namespaces) + else: + self.namespace_filter = None + def __get_namespace_from_title(self, title): default_ns = None @@ -152,6 +187,7 @@ class WikiqParser(): # 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 @@ -171,6 +207,13 @@ class WikiqParser(): # 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() if self.persist != PersistMethod.none: @@ -191,14 +234,30 @@ class WikiqParser(): # 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.deleted.user == True or rev.user.id is None else rev.user.id, - 'title' : '"' + page.title + '"', - '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" } + ## m = re.finditer() #so we can find all instances + ## m.groupdict() #so we can look at them all with their names + + # initialize rev_dat + rev_data = {} + + if self.scanner is not None: # we know we want to do a regex search + ## comment = want to look in comment attached to revision + ## text = want to look in revision text + + ### call the scanner function + rev_data = matchmaker(rev_data, self.match_regex, self.scanner, rev) + + if self.scanner is not None and rev_data['matches'] is None: + next + + # we fill out the rest of the data structure now + rev_data['revid'] = rev.id + rev_data['date_time'] = rev.timestamp.strftime('%Y-%m-%d %H:%M:%S') + rev_data['articleid'] = page.id + rev_data['editor_id'] = "" if rev.deleted.user == True or rev.user.id is None else rev.user.id + rev_data['title'] = '"' + page.title + '"' + rev_data['namespace'] = namespace + rev_data['deleted'] = "TRUE" if rev.deleted.text else "FALSE" # if revisions are deleted, /many/ things will be missing if rev.deleted.text: @@ -223,7 +282,7 @@ class WikiqParser(): # 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) @@ -362,12 +421,21 @@ 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", 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('-p', '--persistence', dest="persist", default="", 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('-rs', '--regex-scanner', dest="scanner",type=str, action='append', + help="Find the regex match specified by -R/--match searching in: (1) comment (2) text.") + +parser.add_argument('-R', '--match', dest="match_regex", type=str, + help="The regular expression you would like to find in the string and put in capture group") + args = parser.parse_args() # set persistence method @@ -381,6 +449,11 @@ elif args.persist == "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) @@ -399,11 +472,13 @@ 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=persist, - urlencode=args.urlencode) - + persist=persist, + urlencode=args.urlencode, + namespaces = namespaces, + match_regex=args.match_regex, # adding in the new 2 args for regex searching + scanner=args.scanner) wikiq.process() @@ -414,8 +489,11 @@ else: wikiq = WikiqParser(sys.stdin, sys.stdout, collapse_user=args.collapse_user, persist=persist, - persist_legacy=args.persist_legacy, - urlencode=args.urlencode) + #persist_legacy=args.persist_legacy, + urlencode=args.urlencode, + namespaces = namespaces, + match_regex=args.match_regex, # adding in the new 2 args for regex searching + scanner=args.scanner) 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"