test = pd.read_table(StringIO(outs))
baseline = pd.read_table(baseline_file)
assert_frame_equal(test,baseline)
-
+
+class Test_Regex(unittest.TestCase):
+
+ def setUp(self):
+ self.wiki = 'regextest'
+ self.wikiq_out_name = self.wiki + '.tsv'
+ self.infile = "{0}.xml.bz2".format(self.wiki)
+
+ self.input_dir = "dumps"
+ self.input_file = os.path.join(".", self.input_dir,self.infile)
+
+ if not os.path.exists("test_output"):
+ os.mkdir("test_output")
+
+ self.test_output_dir = os.path.join(".", "test_output")
+ self.call_output = os.path.join(self.test_output_dir, self.wikiq_out_name)
+ # we have two base calls, one for checking inputs and the other for checking outputs
+ self.base_call = "../wikiq {0}"
+ self.base_call_outs = "../wikiq {0} -o {1}"
+
+ self.baseline_output_dir = "baseline_output"
+
+ # sample inputs for checking that bad inputs get terminated / test_regex_inputs
+ self.bad_input1 = "-RP '\\b\\d+\\b'" #label is missing
+ self.bad_input2 = "-RP 'NPO V' -RP THE -RPl testlabel" #number of reg and number of labels do not match
+ self.bad_input3 = "-CP '(Tamil|Li)' -RPl testlabel" #cp but rp label
+ self.bad_input4 = "-CPl testlabel" #regex is missing
+ self.bad_input5 = "-RP '\\b\\w{3}\\b' -RPl threeletters -CP '\\b\\w{3}\\b'"
+
+ self.bad_inputs_list = [self.bad_input1,self.bad_input2,self.bad_input3,self.bad_input4,self.bad_input5]
+
+ # sample inputs for checking the outcomes of good inputs / test_basic_regex
+ self.good_input1 = "-RP '\\b\\d{3}\\b' -RPl threedigits"
+ self.good_input2 = "-RP 'TestCase' -RP 'page' -RPl testcases -RPl page_word"
+ self.good_input3 = "-CP 'Chevalier' -CPl chev_com -RP 'welcome to Wikipedia' -RPl wiki_welcome -CP 'Warning' -CPl warning"
+ self.good_input4 = "-CP 'WP:EVADE' -CPl wp_evade"
+
+ self.good_inputs_list = [self.good_input1,self.good_input2,self.good_input3, self.good_input4]
+
+ # and with capture group(s) / test_capturegroup_regex
+ self.cap_input1 = "-RP 'Li Chevalier' -RPl li_cheval -CP '(?P<letter>\\b[a-zA-Z]{3}\\b)|(?P<number>\\b\\d+\\b)|(?P<cat>\\bcat\\b)' -CPl three"
+ self.cap_input2 = "-CP '(?P<a>\\bTestCaseA\\b)|(?P<b>\\bTestCaseB\\b)|(?P<c>\\bTestCaseC\\b)|(?P<d>\\bTestCaseD\\b)' -CPl testcase -RP '(?P<npov>npov|NPOV)|(?P<neutral>neutral point of view)' -RPl npov"
+
+ self.cap_inputs_list = [self.cap_input1,self.cap_input2]
+
+ def test_regex_inputs(self):
+ for input in self.bad_inputs_list:
+ call = self.base_call.format(self.input_file)
+ call = call + " --stdout " + input
+ print(call)
+ proc = subprocess.Popen(call,stdout=subprocess.PIPE,stderr=subprocess.PIPE,shell=True)
+ stdout,stderr = proc.communicate()
+ #print(proc.returncode)
+
+ # we want to check that the bad inputs were caught and sys.exit is stopping the code
+ print(stderr.decode("utf-8"))
+ self.assertNotEqual(proc.returncode,0)
+
+ def test_basic_regex(self):
+ i = 1
+ for input in self.good_inputs_list:
+
+ test_filename = "basic_{0}_{1}.tsv".format(self.wikiq_out_name[:-4], str(i))
+ #print(test_filename)
+ test_file = os.path.join(self.test_output_dir, test_filename)
+ if os.path.exists(test_file):
+ os.remove(test_file)
+
+ call = self.base_call_outs.format(self.input_file, self.test_output_dir)
+ call = call + " " + input
+ print(call)
+
+ proc = subprocess.Popen(call,stdout=subprocess.PIPE,stderr=subprocess.PIPE,shell=True)
+ proc.wait()
+
+ copyfile(self.call_output, test_file)
+ f = open(self.call_output, 'w')
+ f.close()
+
+ # don't have a baseline file to compare a test to??
+ # baseline_file = os.path.join(".", self.baseline_output_dir, test_filename)
+ i += 1
+
+ #TODO
+ #a proper assert statement still needs to go here, but I checked out the generated files for now and it functions
+
+
+ def test_capturegroup_regex(self):
+ i = 1
+ for input in self.cap_inputs_list:
+ test_filename = "capturegroup_{0}_{1}.tsv".format(self.wikiq_out_name[:-4], str(i))
+ print(test_filename)
+ test_file = os.path.join(self.test_output_dir, test_filename)
+ if os.path.exists(test_file):
+ os.remove(test_file)
+
+ call = self.base_call_outs.format(self.input_file, self.test_output_dir)
+ call = call + " " + input
+ print(call)
+
+ proc = subprocess.Popen(call,stdout=subprocess.PIPE,stderr=subprocess.PIPE,shell=True)
+ proc.wait()
+
+ copyfile(self.call_output, test_file)
+ f = open(self.call_output, 'w')
+ f.close()
+
+ # don't have a baseline file to compare a test to??
+ # baseline_file = os.path.join(".", self.baseline_output_dir, test_filename)
+ i += 1
+
+ #TODO
+ #a proper assert statement still needs to go here, but I checked out the generated files for now and it functions
+
if __name__ == '__main__':
unittest.main()
return(sum([(len(x.revisions)-1) for x in tokens_added]),
len(tokens_added))
+def matchmake(scanned_content, rev_data, regex, label):
+ p = re.compile(regex)
+
+ temp_dict = {}
+ # if there are named capture groups in the regex
+ if bool(p.groupindex):
+ capture_groups = list(p.groupindex.keys())
+
+ # initialize the {capture_group_name:list} for each capture group
+ for cap_group in capture_groups:
+ temp_dict["{}_{}".format(label, cap_group)] = []
+
+ # if there are matches of some sort in this revision content, fill the lists for each cap_group
+ if p.search(scanned_content) is not None:
+ m = re.finditer(p,scanned_content)
+ matchobjects = list(m)
+
+ for cap_group in capture_groups:
+ 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["{}_{}".format(label, cap_group)] = None
+ # else we put in the list we made in the for-loop above
+ else:
+ temp_dict["{}_{}".format(label, cap_group)] = ', '.join(temp_list)
+
+ # there are no matches at all in this revision content, we default values to None
+ else:
+ for cap_group in capture_groups:
+ temp_dict["{}_{}".format(label, cap_group)] = 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 p.search(scanned_content) is not None:
+ m = p.findall(scanned_content)
+ temp_dict[label] = ', '.join(m)
+ else:
+ temp_dict[label] = None
+ # update rev_data with our new columns
+ rev_data.update(temp_dict)
+ print(rev_data.keys())
+ return rev_data
+
+
class WikiqIterator():
def __init__(self, fh, collapse_user=False):
self.fh = fh
return next(self.__revisions)
class WikiqParser():
-
- def __init__(self, input_file, output_file, collapse_user=False, persist=None, urlencode=False, namespaces = None, revert_radius=15):
+ 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.namespaces = []
self.urlencode = urlencode
self.revert_radius = revert_radius
+ self.regex_match_revision = regex_match_revision
+ self.regex_revision_label = regex_revision_label
+ self.regex_match_comment = regex_match_comment
+ self.regex_comment_label = regex_comment_label
+
if namespaces is not None:
self.namespace_filter = set(namespaces)
else:
# 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
# Iterate through a page's revisions
for rev in page:
+
+ # initialize rev_data
+ 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" }
+ # if the command line args only gave a label (and no regular expression is given)
+ if (self.regex_revision_label != None and self.regex_match_revision == None) or (self.regex_comment_label != None and self.regex_match_comment == None):
+ sys.exit('The given regex label(s) has no corresponding regex to search for.')
+
+ # if there's anything in the list of regex_match_revision
+ if self.regex_match_revision is not None:
+ if (self.regex_revision_label == None) or (len(self.regex_match_revision) != len(self.regex_revision_label)):
+ sys.exit('Each regular expression *must* come with a corresponding label and vice versa.')
+
+ # initialize and construct the list of regex-label tuples
+ pairs = []
+ for i in range(0,len(self.regex_match_revision)):
+ pairs.append((self.regex_match_revision[i], self.regex_revision_label[i]))
+
+ # for each regex/label pair, we now run matchmake to check and output columns
+ for pair in pairs:
+ # pair[0] corresponds to the regex, pair[1] to the label
+ rev_data = matchmake(rev.text, rev_data, pair[0], pair[1])
+
+ # if there's anything in the list of regex_match_comment
+ if self.regex_match_comment is not None:
+ if (self.regex_comment_label == None) or (len(self.regex_match_comment) != len(self.regex_comment_label)):
+ sys.exit('Each regular expression *must* come with a corresponding label and vice versa.')
+
+ # initialize and construct the list of regex-label tuples
+ pairs = []
+ for i in range(0,len(self.regex_match_comment)):
+ pairs.append((self.regex_match_comment[i], self.regex_comment_label[i]))
+
+ # for each regex/label pair, we now run matchmake to check and output columns
+ for pair in pairs:
+ # pair[0] corresponds to the regex, pair[1] to the label
+ rev_data = matchmake(rev.comment, rev_data, pair[0], pair[1])
+
+ # 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:
# 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)
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()
persist=persist,
urlencode=args.urlencode,
namespaces=namespaces,
- revert_radius=args.revert_radius)
+ 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()
sys.stdout,
collapse_user=args.collapse_user,
persist=persist,
- persist_legacy=args.persist_legacy,
+ #persist_legacy=args.persist_legacy,
urlencode=args.urlencode,
namespaces=namespaces,
- revert_radius=args.revert_radius)
- wikiq.process()
+ 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(",")