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root/Oni2/ValBot/Python/check_intrawiki_section_links.py

Comparing ValBot/Python/check_intrawiki_section_links.py (file contents):
Revision 1176 by iritscen, Sun Sep 25 23:58:33 2022 UTC vs.
Revision 1179 by iritscen, Fri Apr 28 00:53:24 2023 UTC

#	Line 1 | Line 1
1		# Check Intrawiki Section Links
2		# by iritscen@yahoo.com
3		# Looks at each wikilink on a page (or in all the pages in a category) for a section link ('#'),
4	<	# and loads the linked page and verifies that the named section actually exists. The output will
5	<	# use the keywords ADVICE, WARNING or ERROR depending on the nature of issue that it encounters.
4	>	# and loads the linked page and verifies that the named section actually exists. It also
5	>	# understands section links generated through a call to Template:SectionLink.
6		# Recommended viewing width:
7		# |---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --|
8
#	Line 20 | Line 20 | from pywikibot.comms.http import fetch
20		from pywikibot.specialbots import UploadRobot
21		from bs4 import BeautifulSoup
22
23	<	# Array of OniGalore's namespaces
23	>	# Tuple of OniGalore's namespaces
24		intrawiki_prefixes = ('Image', 'Special', 'Talk', 'User', 'User_talk', 'OniGalore', 'OniGalore_talk', 'File', 'File_talk', 'MediaWiki', 'MediaWiki_talk', 'Template', 'Template_talk', 'Help', 'Help_talk', 'Category', 'Category_talk', 'BSL', 'BSL_talk', 'OBD', 'OBD_talk', 'AE', 'AE_talk', 'Oni2', 'Oni2_talk', 'XML', 'XML_talk')
25
26		# URL for main namespace of our wiki
27		onigalore_url = 'https://wiki.oni2.net/'
28
29	<	# Interwiki prefixes, for ruling out these links
29	>	# Tuple of interwiki prefixes, for passing over such links
30		interwiki_prefixes = ('acronym', 'cache', 'commons', 'dictionary', 'google', 'metawikimedia', 'mw', 'wikibooks', 'wikidata', 'wikimedia', 'wikinews', 'wikipedia', 'wikiquote', 'wikisource', 'wikispecies', 'wikiversity', 'wikivoyage', 'wikt', 'wiktionary', 'wp')
31
32	+	# List of chapter names, for substitution into links that use "{{Cn}}" transclusion
33	+	chapter_names = ['CHAPTER_00_._COMBAT_TRAINING', 'CHAPTER_01_._TRIAL_RUN', 'CHAPTER_02_._ENGINES_OF_EVIL', 'CHAPTER_03_._PUZZLE_PIECES', 'CHAPTER_04_._TIGER_BY_THE_TAIL', 'CHAPTER_05_._HOT_PURSUIT', 'CHAPTER_06_._COUNTERATTACK', 'CHAPTER_07_._A_FRIEND_IN_NEED', 'CHAPTER_08_._AN_INNOCENT_LIFE', 'CHAPTER_09_._TRUTH_AND_CONSEQUENCES', 'CHAPTER_10_._CAT_AND_MOUSE', 'CHAPTER_11_._DREAM_DIVER', 'CHAPTER_12_._SINS_OF_THE_FATHER', 'CHAPTER_13_._PHOENIX_RISING', 'CHAPTER_14_._DAWN_OF_THE_CHRYSALIS']
34	+
35	+	# Tuple of patterns for recognizing wikilinks
36	+	# Pattern 1: Detect "[[anything]]", "[[any:thing]]", "[[any|thing]]", "[[any:thi|ng]]"
37	+	# Pattern 2: Detect "{{SectionLink|Page|Section name}}", "{{SectionLink||Section name}}"
38	+	link_patterns = ("\[\[[^|\]]*(\||\])", "\{\{SectionLink\|[^|\}]*\|[^|\}]*\}\}")
39	+
40	+	# Initialize globals
41	+	debug = 0
42		pages_checked = 0
43		iw_found = 0
44		advice_issued = 0
35	–	warnings_issued = 0
45		errors_issued = 0
37	–	page_name = ''
46
47		# Searches the given page text for intrawiki links with section links in them
48	<	def scan_for_iw_links(page_text):
49	<	global pages_checked
50	<	global iw_found
51	<	global advice_issued
52	<	global warnings_issued
53	<	global errors_issued
54	<	global page_name
55	<	pages_checked = pages_checked + 1
56	<
57	<	# Isolate strings of pattern "[[anything]]", "[[any:thing]]", "[[any|thing]]" or
58	<	# "[[any:thi|ng]]"
59	<	iw_link = "\[\[[^|\]]*(\||\])"
60	<	for match in re.finditer(iw_link, page_text):
61	<	found_iw_match = False
62	<	iw_url = ""
63	<	page_name2 = page_name
64	<
65	<	# Cut out the matched text from the page, and in the process remove the "[[" from the
66	<	# front and the "|" or "]" from the end
67	<	s = match.start() + 2
68	<	e = match.end() - 1
69	<	link_text = page_text[s:e]
70	<
71	<	# Sometimes we used a space char. instead of a '_', so fix that before querying
72	<	link_text = link_text.replace(' ', '_')
73	<	#pywikibot.stdout('Found link {0}.'.format(link_text))
74	<
75	<	# If this link doesn't have a section link in it, then we don't care about it, as
76	<	# MediaWiki takes care of checking basic intrawiki links
77	<	if not '#' in link_text:
78	<	#pywikibot.stdout('Link doesn\'t have a section anchor in it. Skipping.')
48	>	def scan_for_intrawiki_links(page_text, page_name):
49	>	global debug
50	>	global pages_checked
51	>	global iw_found
52	>	global advice_issued
53	>	global errors_issued
54	>	pages_checked += 1
55	>	name_printed = 0
56	>
57	>	for i, the_pattern in enumerate(link_patterns):
58	>	if debug:
59	>	if i == 0:
60	>	pywikibot.stdout('   Checking page for wikilinks with section names.')
61	>	elif i == 1:
62	>	pywikibot.stdout('   Checking page for {{SectionLink}} calls.')
63	>
64	>	for match in re.finditer(the_pattern, page_text):
65	>	found_iw_match = False
66	>	iw_url = ""
67	>	page_name2 = page_name
68	>
69	>	# Cut out the matched text from the page, isolating just the page+section name
70	>	target_start = 2 # "[["
71	>	target_end = 1 # "|" or "]" (we only match the first ending bracket)
72	>	if i == 1:
73	>	target_start = 14 # "{{SectionLink|"
74	>	target_end = 2 # "}}"
75	>	s = match.start() + target_start # remove the link-opening markup
76	>	e = match.end() - target_end # remove the link-ending markup
77	>	link_text = page_text[s:e]
78	>
79	>	# The second link type will look like "Page|Section" or "|Section", so fix that pipe
80	>	if i == 1:
81	>	link_text = link_text.replace('|', '#')
82	>
83	>	# Sometimes we use a space char. instead of a '_', so fix that before querying
84	>	link_text = link_text.replace(' ', '_')
85	>	if debug: pywikibot.stdout('      Found link {0}.'.format(link_text))
86	>
87	>	# If this link doesn't have a section link in it, then we don't care about it, as
88	>	# MediaWiki takes care of checking basic intrawiki links
89	>	if not '#' in link_text:
90	>	if debug: pywikibot.stdout('         Link doesn\'t have a section anchor in it. Skipping.')
91		continue
92
93	<	# If this link has an interwiki prefix, it can be ignored
94	<	is_interwiki = False
95	<	if found_iw_match == False:
93	>	# If this link has an interwiki prefix, it can be ignored; see check_interwiki_links.py
94	>	# for the task of checking interwiki page+section links
95	>	is_interwiki = False
96	>	if found_iw_match == False:
97		for prefix in interwiki_prefixes:
98	<	if prefix + ":" in link_text:
99	<	#pywikibot.stdout('Skipping link {} because it is an interwiki link.'.format(link_text))
100	<	is_interwiki = True
101	<	break
102	<	if is_interwiki:
98	>	if prefix + ":" in link_text:
99	>	if debug: pywikibot.stdout('         Skipping link {} because it is an interwiki link.'.format(link_text))
100	>	is_interwiki = True
101	>	break
102	>	if is_interwiki:
103		continue
104	<
105	<	# If there is a '{' in the link, then probably it's a link built on transcluded text
106	<	# like "Quotes/Diary#{{C3}}", which we cannot expand and work with, so skip it
107	<	if '{' in link_text:
108	<	pywikibot.stdout('ADVICE: Link {} seems to use transclusion, so it can\'t be verified automatically. You should check it manually.'.format(link_text))
109	<	advice_issued = advice_issued + 1
110	<	continue
111	<
112	<	# If this is a relative "/" link, use the current page as the basis for the URL. Note
113	<	# that only a leading slash is looked for, so if there's multiple steps down ("/x/y"),
114	<	# we're out of luck.
115	<	if link_text.startswith('/'):
104	>
105	>	# If there is a '{' in the link, then probably it's a link built on transcluded text
106	>	# like "Quotes/Diary#{{C3}}", which we cannot expand and work with, so skip it
107	>	if '{' in link_text:
108	>	ch_link_pattern = re.compile(r"{{C[0-9]*}}")
109	>	ch_link = ch_link_pattern.search(link_text)
110	>	if debug: pywikibot.stdout('         Found transclusion in link: "{}".'.format(ch_link.group(0)))
111	>	if ch_link:
112	>	ch_link_match = ch_link.group(0)
113	>	ch_num_pattern = re.compile("[0-9]+")
114	>	ch_num = ch_num_pattern.search(ch_link_match)
115	>	if ch_num:
116	>	ch_num_match = int(ch_num.group(0))
117	>	if ch_num_match >= 0 and ch_num_match <= 14:
118	>	ch_name = chapter_names[ch_num_match]
119	>	replace_pattern = re.compile(r"{{C" + ch_num.group(0) + r"}}")
120	>	link_text = replace_pattern.sub(ch_name, link_text)
121	>	if debug: pywikibot.stdout('         After performing transclusion, link is now "{}".'.format(link_text))
122	>	else:
123	>	if not name_printed and not debug:
124	>	pywikibot.stdout('From page "{}":'.format(page_name))
125	>	name_printed = 1
126	>	pywikibot.stdout('   ADVICE: Link {0} transcludes a chapter name using an out-of-range number, {1}.'.format(link_text, ch_num_match))
127	>	advice_issued += 1
128	>	continue
129	>	else:
130	>	if not name_printed and not debug:
131	>	pywikibot.stdout('From page "{}":'.format(page_name))
132	>	name_printed = 1
133	>	pywikibot.stdout('   ADVICE: Link {} seems to be transcluding a chapter name, but this script couldn\'t read it.'.format(link_text))
134	>	advice_issued += 1
135	>	continue
136	>	else:
137	>	if not name_printed and not debug:
138	>	pywikibot.stdout('From page "{}":'.format(page_name))
139	>	name_printed = 1
140	>	pywikibot.stdout('   ADVICE: Link {0} seems to use transclusion. This script can understand chapter name transclusions such as "{1}" but it doesn\'t recognize this one so it can\'t be verified. You should check the link manually.'.format(link_text, "{{C7}}"))
141	>	advice_issued += 1
142	>	continue
143	>
144	>	# If this is a relative "/" link, use the current page as the basis for the URL. Note
145	>	# that only a leading slash is looked for, so if there's multiple steps down ("/x/y"),
146	>	# we're out of luck.
147	>	if link_text.startswith('/'):
148		link_text = page_name + link_text
149	<	#pywikibot.stdout('Changed link_text to {} on account of "/".'.format(link_text))
150	<
151	<	# If this is a relative "../" link, find the parent page and set ourselves to that page,
152	<	# then remove the relative portion of the link. Note that this is only performed once,
153	<	# so if there's multiple steps back ("../../"), we're out of luck.
154	<	if link_text.startswith('../'):
149	>	if debug: pywikibot.stdout('         Changed link_text to {} on account of "/".'.format(link_text))
150	>
151	>	# If this is a relative "../" link, find the parent page, set ourselves to that page,
152	>	# then remove the relative portion of the link. Note that this is only performed once,
153	>	# so if there's multiple steps back ("../../"), we're out of luck.
154	>	if link_text.startswith('../'):
155		last_slash = page_name.rfind('/')
156		page_name2 = page_name[0:last_slash]
157	<	#pywikibot.stdout('Changed page_name to {} on account of "../".'.format(page_name2))
157	>	if debug: pywikibot.stdout('         Changed page_name to {} on account of "../".'.format(page_name2))
158		link_text = link_text[3:len(link_text)]
159	<	#pywikibot.stdout('Changed link_text to {} on account of "../".'.format(link_text))
159	>	if debug: pywikibot.stdout('         Changed link_text to {} on account of "../".'.format(link_text))
160		# If this is now going to be a bare section link for the parent page, don't add a
161		# slash, otherwise do because we are drilling down to another subpage
162		if link_text.startswith('#'):
163	<	link_text = page_name2 + link_text
163	>	link_text = page_name2 + link_text
164		else:
165	<	link_text = page_name2 + '/' + link_text
166	<
167	<	# If this is a bare section link, build URL based on this page
168	<	if link_text.startswith('#'):
165	>	link_text = page_name2 + '/' + link_text
166	>
167	>	# If this is a bare section link, build URL based on this page
168	>	if link_text.startswith('#'):
169		iw_url = onigalore_url + page_name2
170	<	iw_found = iw_found + 1
171	<	#pywikibot.stdout('Found link to this very page, {}.'.format(link_text))
170	>	iw_found += 1
171	>	if debug: pywikibot.stdout('         Found link to this very page, {}.'.format(link_text))
172		found_iw_match = True
173		link_text = page_name2 + link_text
174	<
175	<	# If there's no ":" in the link (before the section link, where a colon would just be
176	<	# part of the text) then it's a Main namespace article, so construct URL
177	<	if found_iw_match == False:
174	>
175	>	# If there's no ":" in the link (before the section link, where a colon would just be
176	>	# part of the text) then it's a Main namespace article; proceed with building URL
177	>	if found_iw_match == False:
178		if not re.search(":.*#", link_text):
179	<	iw_url = onigalore_url + link_text
180	<	iw_found = iw_found + 1
181	<	#pywikibot.stdout('Found link to OniGalore Main namespace page {}.'.format(link_text))
182	<	found_iw_match = True
183	<
184	<	# If there is a ":", match the prefix against the intrawiki prefixes on OniGalore
185	<	if found_iw_match == False:
179	>	iw_url = onigalore_url + link_text
180	>	iw_found += 1
181	>	if debug: pywikibot.stdout('         Link is to a Main namespace page.')
182	>	found_iw_match = True
183	>
184	>	# If there is a ":", match the prefix against the intrawiki prefixes on OniGalore
185	>	# before building URL
186	>	if found_iw_match == False:
187		for prefix in intrawiki_prefixes:
188	<	#pywikibot.stdout('Comparing link against prefix {}.'.format(prefix))
189	<	if prefix + ":" in link_text:
190	<	iw_url = onigalore_url + link_text
191	<	_, post_ns = link_text.split(':', 1)
192	<	#pywikibot.stdout('Found link to OniGalore {0} namespace page {1}.'.format(prefix, post_ns))
193	<	iw_found = iw_found + 1
194	<	found_iw_match = True
195	<	break
196	<
197	<	# If we still haven't turned this match into a URL, something's gone wrong
198	<	if (found_iw_match == False) or (iw_url == ""):
199	<	pywikibot.stdout('ERROR: Couldn\'t figure out link {}.'.format(link_text))
188	>	if prefix + ":" in link_text:
189	>	iw_url = onigalore_url + link_text
190	>	if debug: pywikibot.stdout('         Identified namespace {}.'.format(prefix))
191	>	iw_found += 1
192	>	found_iw_match = True
193	>	break
194	>
195	>	# If we still haven't turned this match into a URL, something's gone wrong
196	>	if (found_iw_match == False) or (iw_url == ""):
197	>	if not name_printed and not debug:
198	>	pywikibot.stdout('From page "{}":'.format(page_name))
199	>	name_printed = 1
200	>	pywikibot.stdout('   ERROR: Couldn\'t figure out link {}.'.format(link_text))
201		continue
202
203	<	# Test the URL
204	<	iw_url = iw_url.replace(' ', '_')
205	<	#pywikibot.stdout('Reading page at {}...'.format(iw_url))
206	<	response = fetch(iw_url)
207	<
208	<	# Redirects are followed automatically by fetch() and treated as "200"s; the way we can
209	<	# tell that a redirect occurred is by checking fetch's history
210	<	if response.history != []:
211	<	pywikibot.stdout('WARNING: Got redirection code ({0}) on URL "{1}".'.format(response.history[0], iw_url))
212	<	warnings_issued = warnings_issued + 1
213	<	elif response.status_code != 200:
214	<	pywikibot.stdout('WARNING: Got response code {0} on URL {1}.'.format(response.status_code, iw_url))
215	<	warnings_issued = warnings_issued + 1
216	<	else:
203	>	# Test the URL
204	>	iw_url = iw_url.replace(' ', '_')
205	>	if debug: pywikibot.stdout('         Reading page at {}...'.format(iw_url))
206	>	response = fetch(iw_url)
207	>
208	>	# Redirects are followed automatically by fetch() and treated as "200"s; the way we can
209	>	# tell that a redirect occurred is by checking fetch's history
210	>	if response.history != []:
211	>	if not name_printed and not debug:
212	>	pywikibot.stdout('From page "{}":'.format(page_name))
213	>	name_printed = 1
214	>	pywikibot.stdout('   ADVICE: Got redirection code ({0}) on URL "{1}". You should check the link manually.'.format(response.history[0], iw_url))
215	>	advice_issued += 1
216	>	elif response.status_code != 200:
217	>	if not name_printed and not debug:
218	>	pywikibot.stdout('From page "{}":'.format(page_name))
219	>	name_printed = 1
220	>	pywikibot.stdout('   ERROR: Got response code {0} on URL {1}. The target page may not exist.'.format(response.status_code, iw_url))
221	>	errors_issued += 1
222	>	else:
223		# Isolate section link
224		pre_section, section_name = link_text.split('#', 1)
225	<	#pywikibot.stdout('Searching for section link {} on page.'.format(section_name))
226	<
225	>	if debug: pywikibot.stdout('         Searching for section link {} on page.'.format(section_name))
226	>
227		# Convert slash character to the dot-notation hex encoding that MediaWiki uses
228		section_name = section_name.replace('/', '.2F')
229	<
229	>
230		# Read linked page to see if it really has this anchor link
231		soup = BeautifulSoup(response.text, 'html.parser')
232		found_section = False
233		for span_tag in soup.findAll('span'):
234	<	span_name = span_tag.get('id', None)
235	<	if span_name == section_name:
236	<	#pywikibot.stdout('Found section!')
237	<	found_section = True
238	<	break
234	>	span_name = span_tag.get('id', None)
235	>	if span_name == section_name:
236	>	if debug: pywikibot.stdout('         Found section!')
237	>	found_section = True
238	>	break
239		if found_section == False:
240	<	pywikibot.stdout('ERROR: Could not find section {0} on page {1}!'.format(section_name, pre_section))
241	<	errors_issued = errors_issued + 1
240	>	if not name_printed and not debug:
241	>	pywikibot.stdout('From page "{}":'.format(page_name))
242	>	name_printed = 1
243	>	pywikibot.stdout('   ERROR: Could not find section {0} on page {1}!'.format(section_name, pre_section))
244	>	errors_issued += 1
245
246		def main(*args):
247	<	cat_name = ''
248	<	global page_name
249	<
250	<	local_args = pywikibot.handle_args(args)
251	<	genFactory = pagegenerators.GeneratorFactory()
252	<
253	<	for arg in local_args:
254	<	if arg.startswith('-cat:'):
255	<	cat_name = arg[5:]
256	<	elif arg.startswith('-page:'):
257	<	page_name = arg[6:]
258	<
259	<	site = pywikibot.Site()
260	<
261	<	# This line of code enumerates the methods in the 'page' class
262	<	#pywikibot.stdout(format(dir(page)))
263	<
264	<	if cat_name != '':
265	<	cat_obj = pywikibot.Category(site, cat_name)
266	<	generator = pagegenerators.CategorizedPageGenerator(cat_obj, recurse=True)
267	<	for page in pagegenerators.PreloadingGenerator(generator, 100):
268	<	pywikibot.stdout('Checking page {0}'.format(page.title()))
269	<	page_name = page.title()
270	<	scan_for_iw_links(page.text)
271	<	elif page_name != '':
272	<	page = pywikibot.Page(site, page_name)
273	<	pywikibot.stdout('Checking page {0}'.format(page.title()))
274	<	scan_for_iw_links(page.text)
275	<
276	<	global pages_checked
277	<	global iw_found
278	<	global advice_issued
279	<	global warnings_issued
280	<	global errors_issued
281	<
282	<	page_str = "pages"
283	<	if pages_checked == 1:
284	<	page_str = "page"
285	<
286	<	link_str = "links"
287	<	if iw_found == 1:
288	<	link_str = "link"
289	<
290	<	pywikibot.stdout('Checked {0} {1} and found {2} intrawiki {3}.'.format(pages_checked, page_str, iw_found, link_str))
291	<	pywikibot.stdout('While attempting to follow section links...')
292	<
293	<	if advice_issued == 0:
294	<	pywikibot.stdout('  No advice on potential problems was issued.')
295	<	elif advice_issued == 1:
296	<	pywikibot.stdout('  1 piece of advice on a potential problem was issued.')
297	<	else:
298	<	pywikibot.stdout('  {} pieces of advice on potential problems were issued.'.format(advice_issued))
299	<
300	<	warning_str = "warnings were"
301	<	if warnings_issued == 1:
302	<	warning_str = "warning was"
303	<	pywikibot.stdout('  {0} {1} issued.'.format(warnings_issued, warning_str))
304	<
305	<	error_str = "errors were"
306	<	if errors_issued == 1:
243	<	error_str = "error was"
244	<	pywikibot.stdout('  {0} {1} encountered.'.format(errors_issued, error_str))
247	>	global debug
248	>	global pages_checked
249	>	global iw_found
250	>	global advice_issued
251	>	global errors_issued
252	>	search_cat = ''
253	>	search_page = ''
254	>
255	>	local_args = pywikibot.handle_args(args)
256	>	genFactory = pagegenerators.GeneratorFactory()
257	>
258	>	for arg in local_args:
259	>	if arg.startswith('-cat:'):
260	>	search_cat = arg[5:]
261	>	elif arg.startswith('-page:'):
262	>	search_page = arg[6:]
263	>	elif arg == '-dbg':
264	>	debug = 1
265	>	else:
266	>	pywikibot.stdout('Unknown argument "{}".'.format(arg))
267	>	return
268	>
269	>	site = pywikibot.Site()
270	>
271	>	# This line of code enumerates the methods in the 'page' class
272	>	#pywikibot.stdout(format(dir(page)))
273	>
274	>	if search_cat != '':
275	>	cat_obj = pywikibot.Category(site, search_cat)
276	>	generator = pagegenerators.CategorizedPageGenerator(cat_obj, recurse=True)
277	>	for page in pagegenerators.PreloadingGenerator(generator, 100):
278	>	if debug: pywikibot.stdout('Checking page {0}'.format(page.title()))
279	>	scan_for_intrawiki_links(page.text, page.title())
280	>	elif search_page != '':
281	>	page = pywikibot.Page(site, search_page)
282	>	if debug: pywikibot.stdout('Checking page {0}'.format(page.title()))
283	>	scan_for_intrawiki_links(page.text, page.title())
284	>
285	>	page_str = "pages"
286	>	if pages_checked == 1:
287	>	page_str = "page"
288	>
289	>	link_str = "links"
290	>	if iw_found == 1:
291	>	link_str = "link"
292	>
293	>	pywikibot.stdout('Checked {0} {1} and found {2} intrawiki {3}.'.format(pages_checked, page_str, iw_found, link_str))
294	>	pywikibot.stdout('While attempting to follow section links...')
295	>
296	>	if advice_issued == 0:
297	>	pywikibot.stdout('   No advice on potential problems was issued.')
298	>	elif advice_issued == 1:
299	>	pywikibot.stdout('   1 piece of advice on a potential problem was issued.')
300	>	else:
301	>	pywikibot.stdout('   {} pieces of advice on potential problems were issued.'.format(advice_issued))
302	>
303	>	error_str = "errors were"
304	>	if errors_issued == 1:
305	>	error_str = "error was"
306	>	pywikibot.stdout('   {0} {1} encountered.'.format(errors_issued, error_str))
307
308		if __name__ == '__main__':
309	<	main()
309	>	main()

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