Issue 7461 - Include source page into warning text for unresolved links

cms/converters.py

Index: cms/converters.py
===================================================================
--- a/cms/converters.py
+++ b/cms/converters.py
@@ -304,19 +304,19 @@
                 # Links to an external resource
                 return target
             return relpath(target, base_url.rsplit('/', 1)[0])
 
         def process_link(match):
             pre, attr, url, post = match.groups()
             url = jinja2.Markup(url).unescape()
 
-            locale, new_url = (
-                self._params['source']
-                .resolve_link(url, self._params['locale']))
+            locale, new_url = self._params['source'].resolve_link(
+                url, self._params['locale'], self._params['page'],
+            )
 
             if new_url is not None:
                 url = new_url
                 if attr == 'href':
                     post += ' hreflang="{}"'\
                         .format(jinja2.Markup.escape(locale))
 
             if self._params['relative']:
@@ -511,17 +511,18 @@
         if locale is None:
             locale = self._params['locale']
         return utils.get_page_params(self._params['source'], locale, page)
 
     def linkify(self, page, locale=None, **attrs):
         if locale is None:
             locale = self._params['locale']
 
-        locale, url = self._params['source'].resolve_link(page, locale)
+        locale, url = self._params['source'].resolve_link(page, locale,
+                                                          self._params['page'])
         return jinja2.Markup('<a{}>'.format(''.join(
             ' {}="{}"'.format(name, jinja2.escape(value)) for name, value in [
                 ('href', url),
                 ('hreflang', locale),
             ] + attrs.items()
         )))
 
     def get_pages_metadata(self, filters=None):
@@ -558,17 +559,17 @@
         """Return canonical URL for the page (without locale code)"""
         try:
             base_url = self._params['site_url']
         except KeyError:
             raise Exception('You must configure `siteurl` to use'
                             '`get_canonical_url()`')
 
         locale, page_url = self._params['source'].resolve_link(
-            page, self._params['locale'],
+            page, self._params['locale'], self._params['page'],
         )
         # Remove the locale component that `resolve_link` adds at the
         # beginning.
         page_url = page_url[len(locale) + 1:]
         return urlparse.urljoin(base_url, page_url)
 
     def toclist(self, content):
         toc_re = r'<h(\d)\s[^<>]*\bid="([^<>"]+)"[^<>]*>(.*?)</h\1>'
@@ -592,17 +593,18 @@
 
     def page_has_locale(self, page, locale):
         return self._params['source'].has_locale(locale, page)
 
     def get_page_url(self, page, locale=None, redirect=False):
         if not locale:
             locale = self._params['locale']
         if self.page_has_locale(page, locale) or redirect:
-            return self._params['source'].resolve_link(page, locale)[1]
+            return self._params['source'].resolve_link(page, locale,
+                                                       self._params['page'])[1]
         raise Exception('{} does not exist in {}'.format(page, locale))
 
 
 converters = {
     'html': RawConverter,
     'md': MarkdownConverter,
     'tmpl': TemplateConverter,
 }