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fix: regex error with Python 3.11+ #6

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fix: regex error with Python 3.11+ #6

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4db11a3
fix: regex global flag
bejean Mar 5, 2026
80f30cd
fix: SyntaxWarning: invalid escape sequence '\S'
bejean Mar 5, 2026
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4 changes: 2 additions & 2 deletions wikiextractor/WikiExtractor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -681,12 +681,12 @@ def main(*args, **kwargs):
groupP.add_argument("--discard_templates", action="store_true",
help="If specified, it will discard \
some wikipedia docs if containg some templates titles (e.g. Disambiguation, Desambiguación). \
\Since most template names are usually tranlated. \
Since most template names are usually tranlated. \
See an example under config/discard_templates.txt ")
groupP.add_argument("--ignore_templates", action="store_true",
help="If specified, it will not expand \
some templates (e.g. Millorar format). \
\Since most template names are usually tranlated. \
Since most template names are usually tranlated. \
See an example under config/ignore_templates.txt ")
groupP.add_argument("--html_safe", default=True,
help="use to produce HTML safe output within <doc>...</doc>")
Expand Down
34 changes: 17 additions & 17 deletions wikiextractor/extract/extract.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
# ----------------------------------------------------------------------

# match tail after wikilink
tailRE = re.compile('\w+')
tailRE = re.compile(r'\w+')
syntaxhighlight = re.compile('&lt;syntaxhighlight .*?&gt;(.*?)&lt;/syntaxhighlight&gt;', re.DOTALL)

## PARAMS ####################################################################
Expand Down Expand Up @@ -239,8 +239,8 @@ def clean(extractor, text, expand_templates=False, language = None, html_safe=Tr
text = text.replace('\t', ' ')
text = spaces.sub(' ', text)
text = dots.sub('...', text)
text = re.sub(u' (,:\.\)\]»)', r'\1', text)
text = re.sub(u'(\[\(«) ', r'\1', text)
text = re.sub(r' (,:\.\)\]»)', r'\1', text)
text = re.sub(r'(\[\(«) ', r'\1', text)
text = re.sub(r'\n\W+?\n', '\n', text, flags=re.U) # lines with only punctuations
text = text.replace(',,', ',').replace(',.', '.')
if html_safe:
Expand Down Expand Up @@ -382,7 +382,7 @@ def compact(text, mark_headers=False):
for (i, v) in items:
page.append(v) #header title
headers.clear()
list_item = re.sub('[;#\*]',' ', line)
list_item = re.sub(r'[;#\*]',' ', line)
#Fixme? sometimes list before indent: "#:"
list_item= re.sub("(^ *)(.+)",r"\1- \2",list_item)
page.append(list_item)
Expand Down Expand Up @@ -516,12 +516,12 @@ def dropSpans(spans, text):
# as well as U+3000 is IDEOGRAPHIC SPACE for bug 19052
EXT_LINK_URL_CLASS = r'[^][<>"\x00-\x20\x7F\s]'
ExtLinkBracketedRegex = re.compile(
'\[(((?i)' + '|'.join(wgUrlProtocols) + ')' + EXT_LINK_URL_CLASS + r'+)\s*([^\]\x00-\x08\x0a-\x1F]*?)\]',
re.S | re.U)
r'\[((' + '|'.join(wgUrlProtocols) + ')' + EXT_LINK_URL_CLASS + r'+)\s*([^\]\x00-\x08\x0a-\x1F]*?)\]',
re.I | re.S | re.U)
EXT_IMAGE_REGEX = re.compile(
r"""^(http://|https://)([^][<>"\x00-\x20\x7F\s]+)
/([A-Za-z0-9_.,~%\-+&;#*?!=()@\x80-\xFF]+)\.((?i)gif|png|jpg|jpeg)$""",
re.X | re.S | re.U)
/([A-Za-z0-9_.,~%\-+&;#*?!=()@\x80-\xFF]+)\.(gif|png|jpg|jpeg)$""",
re.I | re.X | re.S | re.U)


def replaceExternalLinks(text):
Expand Down Expand Up @@ -870,7 +870,7 @@ def fixup(m):
except:
return text # leave as is

return re.sub("&#?(\w+);", fixup, text)
return re.sub(r"&#?(\w+);", fixup, text)


# Match HTML comments
Expand Down Expand Up @@ -1067,10 +1067,10 @@ class Extractor():
discardSections = None

## Banned template names path
discardTemplates = None
discardTemplates = set()

## Ignores template names path
ignoreTemplates = None
ignoreTemplates = set()


## Output format
Expand Down Expand Up @@ -1441,7 +1441,7 @@ def expandTemplate(self, body, language = None):
# and the have just the content written in other language
# FORMAT 1: e.g. {{lang|fr|Je suis ....}} Return: "космонавт"
# FORMART 2: e.g. Template {{lang-ru|космонавт}} Return: "russian:космонавт"
elif(re.match('lang\-+',title,re.IGNORECASE) ):
elif(re.match(r'lang\-+',title,re.IGNORECASE) ):
if(language):
try:
isoCode = parts[0].split('-')[1]
Expand Down Expand Up @@ -1792,8 +1792,8 @@ def findMatchingBraces(text, ldelim=0):
reOpen = re.compile('[{]{%d,}' % ldelim) # at least ldelim
reNext = re.compile('[{]{2,}|}{2,}') # at least 2 open or close bracces
else:
reOpen = re.compile('{{2,}|\[{2,}')
reNext = re.compile('{{2,}|}{2,}|\[{2,}|]{2,}') # at least 2
reOpen = re.compile(r'{{2,}|\[{2,}')
reNext = re.compile(r'{{2,}|}{2,}|\[{2,}|]{2,}') # at least 2

cur = 0
while True:
Expand Down Expand Up @@ -2077,7 +2077,7 @@ def sharp_ifeq(lvalue, rvalue, valueIfTrue, valueIfFalse=None, *args):


def sharp_iferror(test, then='', Else=None, *args):
if re.match('<(?:strong|span|p|div)\s(?:[^\s>]*\s+)*?class="(?:[^"\s>]*\s+)*?error(?:\s[^">]*)?"', test):
if re.match(r'<(?:strong|span|p|div)\s(?:[^\s>]*\s+)*?class="(?:[^"\s>]*\s+)*?error(?:\s[^">]*)?"', test):
return then
elif Else is None:
return test.strip()
Expand Down Expand Up @@ -2250,7 +2250,7 @@ def define_template(title, page):

# check for redirects
#m = re.match('#REDIRECT.*?\[\[([^\]]*)]]', page[0], re.IGNORECASE)
m = re.match('#REDIRE.*?\[\[([^\]]*)]]', page[0], re.IGNORECASE)
m = re.match(r'#REDIRE.*?\[\[([^\]]*)]]', page[0], re.IGNORECASE)


if m:
Expand Down