Create links between paragraphs

src/imxml2django.py

@@ -1868,6 +1868,34 @@ def bring_footnote_down_django(footnote, fragment, footnote_number, object_numbe
                     xmlEOAindex.tag = "temp"
                     logging.debug("Found index in footnote")
 
+logging.info("----------------------------------------------")
+logging.info("Creating paragraph links")
+
+paragraphs_with_corresp = xmlDjangoTree.xpath("//EOAparagraph[@corresp]")
+for pc in paragraphs_with_corresp:
+    # get order of target and the chapter order to create the
+    # hyperlink pick this up on publicationimport and extend the model
+    # for a field, probably containing the html snippet for the URL
+    corresponding_attribute = pc.get("corresp")[1:]
+    corresponding_paragraph = xmlDjangoTree.xpath("//EOAparagraph[@xml:id='{}']".format(corresponding_attribute))
+    if len(corresponding_paragraph) == 0:
+        logging.error("There seems to be no corresponding xml:id for %s. Exiting." % corresponding_attribute)
+        sys.exit(1)
+    elif len(corresponding_paragraph) > 1:
+        logging.error("The xml:id %s has been assigned more than once. This is not allowed. Exiting." % corresponding_paragraph[0].attrib["{http://www.w3.org/XML/1998/namespace}id"])
+        sys.exit(1)
+    else:
+        eoa_id_element = corresponding_paragraph[0]
+        paragraph_order = eoa_id_element.get("order")
+        for xml_parent in eoa_id_element.iterancestors():
+            if xml_parent.tag == "EOAchapter":
+                chapter_order = xml_parent.get("order")
+        href_text = f"../{chapter_order}/index.html#{paragraph_order}"
+        pc.set("href", href_text)
+
+for pc in paragraphs_with_corresp:
+    etree.strip_attributes(pc, "corresp", "{http://www.w3.org/XML/1998/namespace}id")
+
 logging.info("----------------------------------------------")
 logging.info("Sorting and Creating Regular Index")