jenkins-bot has submitted this change. ( https://gerrit.wikimedia.org/r/c/pywikibot/core/+/761909 )

Change subject: [IMPR] handle some generic exceptions in get_redirect_target static method ......................................................................

[IMPR] handle some generic exceptions in get_redirect_target static method

- Use get_redirect_target static method to get the redirect target. Handle some generic exceptions but let other be handled by its caller method - decrease nested flow statements in delete_1_broken_redirect

Change-Id: I114a7895d105c17e1dacddb8bd68e11f87b96941 --- M scripts/redirect.py 1 file changed, 74 insertions(+), 66 deletions(-)

Approvals: Xqt: Looks good to me, approved jenkins-bot: Verified

diff --git a/scripts/redirect.py b/scripts/redirect.py index 21e1f1a..d3ea415 100755 --- a/scripts/redirect.py +++ b/scripts/redirect.py @@ -479,74 +479,83 @@ ignore_save_related_errors=True, ignore_server_errors=True)

+ @staticmethod + def get_redirect_target(page): + """Get redirect target page and handle some exceptions.""" + try: + return page.getRedirectTarget() + except (CircularRedirectError, RuntimeError): + pywikibot.exception() + pywikibot.output('Skipping {}.'.format(page)) + except InterwikiRedirectPageError: + pywikibot.output('{} is on another site, skipping.'.format(page)) + return None + def delete_1_broken_redirect(self) -> None: """Treat one broken redirect.""" redir_page = self.current_page done = not self.opt.delete try: targetPage = redir_page.getRedirectTarget() - except (CircularRedirectError, - InvalidTitleError, - RuntimeError): + except InvalidTitleError: pywikibot.exception() - except InterwikiRedirectPageError: - pywikibot.output('{} is on another site.' - .format(redir_page.title())) - else: - try: - targetPage.get() - except InvalidTitleError: - pywikibot.exception() - except NoPageError: - movedTarget = None - with suppress(NoMoveTargetError): - movedTarget = targetPage.moved_target() - if movedTarget: - if not movedTarget.exists(): - # FIXME: Test to another move - pywikibot.output('Target page {} does not exist' - .format(movedTarget)) - elif redir_page == movedTarget: - pywikibot.output( - 'Redirect to target page forms a redirect loop') - else: - pywikibot.output('{} has been moved to {}' - .format(redir_page, movedTarget)) - reason = i18n.twtranslate( - redir_page.site, 'redirect-fix-broken-moved', - {'to': movedTarget.title(as_link=True, - allow_interwiki=False)}) - content = redir_page.get(get_redirect=True) - redir_page.set_redirect_target( - movedTarget, keep_section=True, save=False) - pywikibot.output('Summary - ' + reason) - done = self.userPut(redir_page, content, - redir_page.text, summary=reason, - ignore_save_related_errors=True, - ignore_server_errors=True) - if not done and self.user_confirm( - 'Redirect target {} does not exist.\n' - 'Do you want to delete {}?' - .format(targetPage.title(as_link=True), - redir_page.title(as_link=True))): - self.delete_redirect(redir_page, 'redirect-remove-broken') - elif not (self.opt.delete or movedTarget): + targetPage = None + + if not targetPage: + return + + try: + targetPage.get() + except InvalidTitleError: + pywikibot.exception() + except NoPageError: + movedTarget = None + with suppress(NoMoveTargetError): + movedTarget = targetPage.moved_target() + if movedTarget: + if not movedTarget.exists(): + # FIXME: Test to another move + pywikibot.output('Target page {} does not exist' + .format(movedTarget)) + elif redir_page == movedTarget: pywikibot.output( - 'Cannot fix or delete the broken redirect') - except IsRedirectPageError: - pywikibot.output( - 'Redirect target {} is also a redirect! {}'.format( - targetPage.title(as_link=True), - "Won't delete anything." - if self.opt.delete else 'Skipping.')) - else: - # we successfully get the target page, meaning that - # it exists and is not a redirect: no reason to touch it. - pywikibot.output( - 'Redirect target {} does exist! {}'.format( - targetPage.title(as_link=True), - "Won't delete anything." - if self.opt.delete else 'Skipping.')) + 'Redirect to target page forms a redirect loop') + else: + pywikibot.output('{} has been moved to {}' + .format(redir_page, movedTarget)) + reason = i18n.twtranslate( + redir_page.site, 'redirect-fix-broken-moved', + {'to': movedTarget.title(as_link=True, + allow_interwiki=False)}) + content = redir_page.get(get_redirect=True) + redir_page.set_redirect_target( + movedTarget, keep_section=True, save=False) + pywikibot.output('Summary - ' + reason) + done = self.userPut(redir_page, content, + redir_page.text, summary=reason, + ignore_save_related_errors=True, + ignore_server_errors=True) + if not done and self.user_confirm( + 'Redirect target {} does not exist.\n' + 'Do you want to delete {}?' + .format(targetPage.title(as_link=True), + redir_page.title(as_link=True))): + self.delete_redirect(redir_page, 'redirect-remove-broken') + elif not (self.opt.delete or movedTarget): + pywikibot.output('Cannot fix or delete the broken redirect') + except IsRedirectPageError: + pywikibot.output( + 'Redirect target {} is also a redirect! {}'.format( + targetPage.title(as_link=True), + "Won't delete anything." + if self.opt.delete else 'Skipping.')) + else: + # we successfully get the target page, meaning that + # it exists and is not a redirect: no reason to touch it. + pywikibot.output('Redirect target {} does exist! {}' + .format(targetPage.title(as_link=True), + "Won't delete anything." + if self.opt.delete else 'Skipping.'))

def fix_1_double_redirect(self) -> None: """Treat one double redirect.""" @@ -568,10 +577,7 @@ pywikibot.warning( "Redirect target section {} doesn't exist." .format(newRedir.title(as_link=True))) - except (CircularRedirectError, - InterwikiRedirectPageError, - UnsupportedPageError, - RuntimeError): + except UnsupportedPageError: pywikibot.exception() pywikibot.output('Skipping {}.'.format(newRedir)) break @@ -583,13 +589,15 @@ .format(title)) break # skip if automatic pywikibot.warning( - "Redirect target {} doesn't exist." - .format(title)) + "Redirect target {} doesn't exist.".format(title)) except ServerError: pywikibot.output('Skipping due to server error: ' 'No textarea found') break else: + if not targetPage: + break + pywikibot.output( ' Links to: {}.' .format(targetPage.title(as_link=True)))